AyeCode / invoicing

includes/class-getpaid-invoice-notification-emails.php

Indentation +451 added lines, -451 removed lines

@@ -12,492 +12,492 @@
  */
 class GetPaid_Invoice_Notification_Emails {
 
-	/**
-	 * The array of invoice email actions.
-	 *
-	 * @param array
-	 */
-	public $invoice_actions;
-
-	/**
-	 * Class constructor
-	 *
-	 */
-	public function __construct() {
-
-		$this->invoice_actions = apply_filters(
-			'getpaid_notification_email_invoice_triggers',
-			array(
-				'getpaid_new_invoice'                   => array( 'new_invoice', 'user_invoice' ),
-				'getpaid_invoice_status_wpi-cancelled'  => 'cancelled_invoice',
-				'getpaid_invoice_status_wpi-failed'     => 'failed_invoice',
-				'getpaid_invoice_status_wpi-onhold'     => 'onhold_invoice',
-				'getpaid_invoice_status_wpi-processing' => 'processing_invoice',
-				'getpaid_invoice_status_publish'        => 'completed_invoice',
-				'getpaid_invoice_status_wpi-renewal'    => 'completed_invoice',
-				'getpaid_invoice_status_wpi-refunded'   => 'refunded_invoice',
-				'getpaid_new_customer_note'             => 'user_note',
-				'getpaid_daily_maintenance'             => 'overdue',
-			)
-		);
-
-		$this->init_hooks();
-
-	}
-
-	/**
-	 * Registers email hooks.
-	 */
-	public function init_hooks() {
-
-		add_filter( 'getpaid_get_email_merge_tags', array( $this, 'invoice_merge_tags' ), 10, 2 );
-		add_filter( 'getpaid_invoice_email_recipients', array( $this, 'filter_email_recipients' ), 10, 2 );
-
-		foreach ( $this->invoice_actions as $hook => $email_type ) {
-			$this->init_email_type_hook( $hook, $email_type );
-		}
-	}
-
-	/**
-	 * Registers an email hook for an invoice action.
-	 * 
-	 * @param string $hook
-	 * @param string|array $email_type
-	 */
-	public function init_email_type_hook( $hook, $email_type ) {
-
-		$email_type = wpinv_parse_list( $email_type );
-
-		foreach ( $email_type as $type ) {
-
-			$email = new GetPaid_Notification_Email( $type );
-
-			// Abort if it is not active.
-			if ( ! $email->is_active() ) {
-				continue;
-			}
-
-			if ( method_exists( $this, $type ) ) {
-				add_action( $hook, array( $this, $type ), 100, 2 );
-				continue;
-			}
-
-			do_action( 'getpaid_invoice_init_email_type_hook', $type, $hook );
-		}
-
-	}
-
-	/**
-	 * Filters invoice merge tags.
-	 *
-	 * @param array $merge_tags
-	 * @param mixed|WPInv_Invoice|WPInv_Subscription $object
-	 */
-	public function invoice_merge_tags( $merge_tags, $object ) {
-
-		if ( is_a( $object, 'WPInv_Invoice' ) ) {
-			return array_merge(
-				$merge_tags,
-				$this->get_invoice_merge_tags( $object )
-			);
-		}
-
-		if ( is_a( $object, 'WPInv_Subscription' ) ) {
-			return array_merge(
-				$merge_tags,
-				$this->get_invoice_merge_tags( $object->get_parent_payment() )
-			);
-		}
-
-		return $merge_tags;
-
-	}
-
-	/**
-	 * Generates invoice merge tags.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @return array
-	 */
-	public function get_invoice_merge_tags( $invoice ) {
-
-		// Abort if it does not exist.
-		if ( ! $invoice->get_id() ) {
-			return array();
-		}
-
-		$merge_tags = array(
-			'{name}'                => sanitize_text_field( $invoice->get_user_full_name() ),
-			'{full_name}'           => sanitize_text_field( $invoice->get_user_full_name() ),
-			'{first_name}'          => sanitize_text_field( $invoice->get_first_name() ),
-			'{last_name}'           => sanitize_text_field( $invoice->get_last_name() ),
-			'{email}'               => sanitize_email( $invoice->get_email() ),
-			'{invoice_number}'      => sanitize_text_field( $invoice->get_number() ),
-			'{invoice_currency}'    => sanitize_text_field( $invoice->get_currency() ),
-			'{invoice_total}'       => sanitize_text_field( wpinv_price( $invoice->get_total(), $invoice->get_currency() ) ),
-			'{invoice_link}'        => esc_url( $invoice->get_view_url() ),
-			'{invoice_pay_link}'    => esc_url( $invoice->get_checkout_payment_url() ),
-			'{invoice_receipt_link}'=> esc_url( $invoice->get_receipt_url() ),
-			'{invoice_date}'        => getpaid_format_date_value( $invoice->get_date_created() ),
-			'{invoice_due_date}'    => getpaid_format_date_value( $invoice->get_due_date(), __( 'on receipt', 'invoicing' ) ),
-			'{invoice_quote}'       => sanitize_text_field( strtolower( $invoice->get_label() ) ),
-			'{invoice_label}'       => sanitize_text_field( ucfirst( $invoice->get_label() ) ),
-			'{invoice_description}' => wp_kses_post( $invoice->get_description() ),
-			'{subscription_name}'   => wp_kses_post( $invoice->get_subscription_name() ),
-			'{is_was}'              => strtotime( $invoice->get_due_date() ) < current_time( 'timestamp' ) ? __( 'was', 'invoicing' ) : __( 'is', 'invoicing' ),
-		);
-
-		$payment_form_data = $invoice->get_meta( 'payment_form_data', true );
-
-		if ( is_array( $payment_form_data ) ) {
-
-			foreach ( $payment_form_data as $label => $value ) {
-
-				$label = preg_replace( '/[^a-z0-9]+/', '_', strtolower( $label ) );
-				$value = is_array( $value ) ? implode( ', ', $value ) : $value;
-
-				if ( is_scalar ( $value ) ) {
-					$merge_tags[ "{{$label}}" ] = wp_kses_post( $value );
-				}
-
-			}
-
-		}
-
-		return apply_filters( 'getpaid_invoice_email_merge_tags', $merge_tags, $invoice );
-	}
-
-	/**
-	 * Helper function to send an email.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @param GetPaid_Notification_Email $email
-	 * @param string $type
-	 * @param string|array $recipients
-	 * @param array $extra_args Extra template args.
-	 */
-	public function send_email( $invoice, $email, $type, $recipients, $extra_args = array() ) {
-
-		do_action( 'getpaid_before_send_invoice_notification', $type, $invoice, $email );
-
-		$skip = $invoice->is_free() && wpinv_get_option( 'skip_email_free_invoice' );
-		if ( apply_filters( 'getpaid_skip_invoice_email', $skip, $type, $invoice ) ) {
-			return;
-		}
-
-		$mailer     = new GetPaid_Notification_Email_Sender();
-		$merge_tags = $email->get_merge_tags();
-
-		$result = $mailer->send(
-			apply_filters( 'getpaid_invoice_email_recipients', wpinv_parse_list( $recipients ), $email ),
-			$email->add_merge_tags( $email->get_subject(), $merge_tags ),
-			$email->get_content( $merge_tags, $extra_args ),
-			$email->get_attachments()
-		);
-
-		// Maybe send a copy to the admin.
-		if ( $email->include_admin_bcc() ) {
-			$mailer->send(
-				wpinv_get_admin_email(),
-				$email->add_merge_tags( $email->get_subject() . __( ' - ADMIN BCC COPY', 'invoicing' ), $merge_tags ),
-				$email->get_content( $merge_tags ),
-				$email->get_attachments()
-			);
-		}
-
-		if ( $result ) {
-			$invoice->add_system_note(
-				sprintf(
-					__( 'Successfully sent %s notification email to %s.', 'invoicing' ),
-					sanitize_key( $type ),
-					$email->is_admin_email() ? __( 'admin' ) : __( 'the customer' )
-				)
-			);
-		} else {
-			$invoice->add_system_note(
-				sprintf(
-					__( 'Failed sending %s notification email to %s.', 'invoicing' ),
-					sanitize_key( $type ),
-					$email->is_admin_email() ? __( 'admin' ) : __( 'the customer' )
-				)
-			);	
-		}
-
-		do_action( 'getpaid_after_send_invoice_notification', $type, $invoice, $email );
-
-		return $result;
-	}
-
-	/**
-	 * Also send emails to any cc users.
-	 *
-	 * @param array $recipients
-	 * @param GetPaid_Notification_Email $email
-	 */
-	public function filter_email_recipients( $recipients, $email ) {
-
-		if ( ! $email->is_admin_email() ) {
-			$cc   = $email->object->get_email_cc();
-			$cc_2 = get_user_meta( $email->object->get_user_id(), '_wpinv_email_cc', true );
-
-			if ( ! empty( $cc ) ) {
-				$cc = array_map( 'sanitize_email', wpinv_parse_list( $cc ) );
-				$recipients = array_filter( array_unique( array_merge( $recipients, $cc ) ) );
-			}
-
-			if ( ! empty( $cc_2 ) ) {
-				$cc_2 = array_map( 'sanitize_email', wpinv_parse_list( $cc_2 ) );
-				$recipients = array_filter( array_unique( array_merge( $recipients, $cc_2 ) ) );
-			}
-
-		}
-
-		return $recipients;
-
-	}
-
-	/**
-	 * Sends a new invoice notification.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function new_invoice( $invoice ) {
-
-		// Only send this email for invoices created via the admin page.
-		if ( ! $invoice->is_type( 'invoice' ) || $invoice->is_paid() || $this->is_payment_form_invoice( $invoice->get_id() ) ) {
-			return;
-		}
-
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = wpinv_get_admin_email();
-
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
-
-	}
-
-	/**
-	 * Sends a cancelled invoice notification.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function cancelled_invoice( $invoice ) {
-
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = wpinv_get_admin_email();
-
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
-
-	}
-
-	/**
-	 * Sends a failed invoice notification.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function failed_invoice( $invoice ) {
-
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = wpinv_get_admin_email();
-
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
-
-	}
-
-	/**
-	 * Sends a notification whenever an invoice is put on hold.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function onhold_invoice( $invoice ) {
-
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
+    /**
+     * The array of invoice email actions.
+     *
+     * @param array
+     */
+    public $invoice_actions;
+
+    /**
+     * Class constructor
+     *
+     */
+    public function __construct() {
+
+        $this->invoice_actions = apply_filters(
+            'getpaid_notification_email_invoice_triggers',
+            array(
+                'getpaid_new_invoice'                   => array( 'new_invoice', 'user_invoice' ),
+                'getpaid_invoice_status_wpi-cancelled'  => 'cancelled_invoice',
+                'getpaid_invoice_status_wpi-failed'     => 'failed_invoice',
+                'getpaid_invoice_status_wpi-onhold'     => 'onhold_invoice',
+                'getpaid_invoice_status_wpi-processing' => 'processing_invoice',
+                'getpaid_invoice_status_publish'        => 'completed_invoice',
+                'getpaid_invoice_status_wpi-renewal'    => 'completed_invoice',
+                'getpaid_invoice_status_wpi-refunded'   => 'refunded_invoice',
+                'getpaid_new_customer_note'             => 'user_note',
+                'getpaid_daily_maintenance'             => 'overdue',
+            )
+        );
+
+        $this->init_hooks();
+
+    }
+
+    /**
+     * Registers email hooks.
+     */
+    public function init_hooks() {
+
+        add_filter( 'getpaid_get_email_merge_tags', array( $this, 'invoice_merge_tags' ), 10, 2 );
+        add_filter( 'getpaid_invoice_email_recipients', array( $this, 'filter_email_recipients' ), 10, 2 );
+
+        foreach ( $this->invoice_actions as $hook => $email_type ) {
+            $this->init_email_type_hook( $hook, $email_type );
+        }
+    }
+
+    /**
+     * Registers an email hook for an invoice action.
+     * 
+     * @param string $hook
+     * @param string|array $email_type
+     */
+    public function init_email_type_hook( $hook, $email_type ) {
+
+        $email_type = wpinv_parse_list( $email_type );
+
+        foreach ( $email_type as $type ) {
+
+            $email = new GetPaid_Notification_Email( $type );
+
+            // Abort if it is not active.
+            if ( ! $email->is_active() ) {
+                continue;
+            }
+
+            if ( method_exists( $this, $type ) ) {
+                add_action( $hook, array( $this, $type ), 100, 2 );
+                continue;
+            }
+
+            do_action( 'getpaid_invoice_init_email_type_hook', $type, $hook );
+        }
+
+    }
+
+    /**
+     * Filters invoice merge tags.
+     *
+     * @param array $merge_tags
+     * @param mixed|WPInv_Invoice|WPInv_Subscription $object
+     */
+    public function invoice_merge_tags( $merge_tags, $object ) {
+
+        if ( is_a( $object, 'WPInv_Invoice' ) ) {
+            return array_merge(
+                $merge_tags,
+                $this->get_invoice_merge_tags( $object )
+            );
+        }
+
+        if ( is_a( $object, 'WPInv_Subscription' ) ) {
+            return array_merge(
+                $merge_tags,
+                $this->get_invoice_merge_tags( $object->get_parent_payment() )
+            );
+        }
+
+        return $merge_tags;
+
+    }
+
+    /**
+     * Generates invoice merge tags.
+     *
+     * @param WPInv_Invoice $invoice
+     * @return array
+     */
+    public function get_invoice_merge_tags( $invoice ) {
+
+        // Abort if it does not exist.
+        if ( ! $invoice->get_id() ) {
+            return array();
+        }
+
+        $merge_tags = array(
+            '{name}'                => sanitize_text_field( $invoice->get_user_full_name() ),
+            '{full_name}'           => sanitize_text_field( $invoice->get_user_full_name() ),
+            '{first_name}'          => sanitize_text_field( $invoice->get_first_name() ),
+            '{last_name}'           => sanitize_text_field( $invoice->get_last_name() ),
+            '{email}'               => sanitize_email( $invoice->get_email() ),
+            '{invoice_number}'      => sanitize_text_field( $invoice->get_number() ),
+            '{invoice_currency}'    => sanitize_text_field( $invoice->get_currency() ),
+            '{invoice_total}'       => sanitize_text_field( wpinv_price( $invoice->get_total(), $invoice->get_currency() ) ),
+            '{invoice_link}'        => esc_url( $invoice->get_view_url() ),
+            '{invoice_pay_link}'    => esc_url( $invoice->get_checkout_payment_url() ),
+            '{invoice_receipt_link}'=> esc_url( $invoice->get_receipt_url() ),
+            '{invoice_date}'        => getpaid_format_date_value( $invoice->get_date_created() ),
+            '{invoice_due_date}'    => getpaid_format_date_value( $invoice->get_due_date(), __( 'on receipt', 'invoicing' ) ),
+            '{invoice_quote}'       => sanitize_text_field( strtolower( $invoice->get_label() ) ),
+            '{invoice_label}'       => sanitize_text_field( ucfirst( $invoice->get_label() ) ),
+            '{invoice_description}' => wp_kses_post( $invoice->get_description() ),
+            '{subscription_name}'   => wp_kses_post( $invoice->get_subscription_name() ),
+            '{is_was}'              => strtotime( $invoice->get_due_date() ) < current_time( 'timestamp' ) ? __( 'was', 'invoicing' ) : __( 'is', 'invoicing' ),
+        );
+
+        $payment_form_data = $invoice->get_meta( 'payment_form_data', true );
+
+        if ( is_array( $payment_form_data ) ) {
+
+            foreach ( $payment_form_data as $label => $value ) {
+
+                $label = preg_replace( '/[^a-z0-9]+/', '_', strtolower( $label ) );
+                $value = is_array( $value ) ? implode( ', ', $value ) : $value;
+
+                if ( is_scalar ( $value ) ) {
+                    $merge_tags[ "{{$label}}" ] = wp_kses_post( $value );
+                }
+
+            }
+
+        }
+
+        return apply_filters( 'getpaid_invoice_email_merge_tags', $merge_tags, $invoice );
+    }
+
+    /**
+     * Helper function to send an email.
+     *
+     * @param WPInv_Invoice $invoice
+     * @param GetPaid_Notification_Email $email
+     * @param string $type
+     * @param string|array $recipients
+     * @param array $extra_args Extra template args.
+     */
+    public function send_email( $invoice, $email, $type, $recipients, $extra_args = array() ) {
+
+        do_action( 'getpaid_before_send_invoice_notification', $type, $invoice, $email );
+
+        $skip = $invoice->is_free() && wpinv_get_option( 'skip_email_free_invoice' );
+        if ( apply_filters( 'getpaid_skip_invoice_email', $skip, $type, $invoice ) ) {
+            return;
+        }
+
+        $mailer     = new GetPaid_Notification_Email_Sender();
+        $merge_tags = $email->get_merge_tags();
+
+        $result = $mailer->send(
+            apply_filters( 'getpaid_invoice_email_recipients', wpinv_parse_list( $recipients ), $email ),
+            $email->add_merge_tags( $email->get_subject(), $merge_tags ),
+            $email->get_content( $merge_tags, $extra_args ),
+            $email->get_attachments()
+        );
+
+        // Maybe send a copy to the admin.
+        if ( $email->include_admin_bcc() ) {
+            $mailer->send(
+                wpinv_get_admin_email(),
+                $email->add_merge_tags( $email->get_subject() . __( ' - ADMIN BCC COPY', 'invoicing' ), $merge_tags ),
+                $email->get_content( $merge_tags ),
+                $email->get_attachments()
+            );
+        }
+
+        if ( $result ) {
+            $invoice->add_system_note(
+                sprintf(
+                    __( 'Successfully sent %s notification email to %s.', 'invoicing' ),
+                    sanitize_key( $type ),
+                    $email->is_admin_email() ? __( 'admin' ) : __( 'the customer' )
+                )
+            );
+        } else {
+            $invoice->add_system_note(
+                sprintf(
+                    __( 'Failed sending %s notification email to %s.', 'invoicing' ),
+                    sanitize_key( $type ),
+                    $email->is_admin_email() ? __( 'admin' ) : __( 'the customer' )
+                )
+            );	
+        }
+
+        do_action( 'getpaid_after_send_invoice_notification', $type, $invoice, $email );
+
+        return $result;
+    }
+
+    /**
+     * Also send emails to any cc users.
+     *
+     * @param array $recipients
+     * @param GetPaid_Notification_Email $email
+     */
+    public function filter_email_recipients( $recipients, $email ) {
+
+        if ( ! $email->is_admin_email() ) {
+            $cc   = $email->object->get_email_cc();
+            $cc_2 = get_user_meta( $email->object->get_user_id(), '_wpinv_email_cc', true );
+
+            if ( ! empty( $cc ) ) {
+                $cc = array_map( 'sanitize_email', wpinv_parse_list( $cc ) );
+                $recipients = array_filter( array_unique( array_merge( $recipients, $cc ) ) );
+            }
+
+            if ( ! empty( $cc_2 ) ) {
+                $cc_2 = array_map( 'sanitize_email', wpinv_parse_list( $cc_2 ) );
+                $recipients = array_filter( array_unique( array_merge( $recipients, $cc_2 ) ) );
+            }
+
+        }
+
+        return $recipients;
+
+    }
+
+    /**
+     * Sends a new invoice notification.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function new_invoice( $invoice ) {
+
+        // Only send this email for invoices created via the admin page.
+        if ( ! $invoice->is_type( 'invoice' ) || $invoice->is_paid() || $this->is_payment_form_invoice( $invoice->get_id() ) ) {
+            return;
+        }
+
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = wpinv_get_admin_email();
+
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+
+    }
+
+    /**
+     * Sends a cancelled invoice notification.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function cancelled_invoice( $invoice ) {
+
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = wpinv_get_admin_email();
+
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+
+    }
+
+    /**
+     * Sends a failed invoice notification.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function failed_invoice( $invoice ) {
+
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = wpinv_get_admin_email();
+
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+
+    }
+
+    /**
+     * Sends a notification whenever an invoice is put on hold.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function onhold_invoice( $invoice ) {
+
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
 
-	}
+    }
 
-	/**
-	 * Sends a notification whenever an invoice is marked as processing payment.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function processing_invoice( $invoice ) {
+    /**
+     * Sends a notification whenever an invoice is marked as processing payment.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function processing_invoice( $invoice ) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
-
-	}
-
-	/**
-	 * Sends a notification whenever an invoice is paid.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function completed_invoice( $invoice ) {
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+
+    }
+
+    /**
+     * Sends a notification whenever an invoice is paid.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function completed_invoice( $invoice ) {
 
-		// (Maybe) abort if it is a renewal invoice.
-		if ( $invoice->is_renewal() && ! wpinv_get_option( 'email_completed_invoice_renewal_active', false ) ) {
-			return;
-		}
+        // (Maybe) abort if it is a renewal invoice.
+        if ( $invoice->is_renewal() && ! wpinv_get_option( 'email_completed_invoice_renewal_active', false ) ) {
+            return;
+        }
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
 
-	}
+    }
 
-	/**
-	 * Sends a notification whenever an invoice is refunded.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function refunded_invoice( $invoice ) {
+    /**
+     * Sends a notification whenever an invoice is refunded.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function refunded_invoice( $invoice ) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
 
-	}
+    }
 
-	/**
-	 * Notifies a user about new invoices
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @param bool $force
-	 */
-	public function user_invoice( $invoice, $force = false ) {
+    /**
+     * Notifies a user about new invoices
+     *
+     * @param WPInv_Invoice $invoice
+     * @param bool $force
+     */
+    public function user_invoice( $invoice, $force = false ) {
 
-		if ( ! empty( $GLOBALS['wpinv_skip_invoice_notification'] ) ) {
-			return;
-		}
-
-		// Only send this email for invoices created via the admin page.
-		if ( ! $invoice->is_type( 'invoice' ) || $invoice->is_paid() || ( empty( $force ) && $this->is_payment_form_invoice( $invoice->get_id() ) ) ) {
-			return;
-		}
+        if ( ! empty( $GLOBALS['wpinv_skip_invoice_notification'] ) ) {
+            return;
+        }
+
+        // Only send this email for invoices created via the admin page.
+        if ( ! $invoice->is_type( 'invoice' ) || $invoice->is_paid() || ( empty( $force ) && $this->is_payment_form_invoice( $invoice->get_id() ) ) ) {
+            return;
+        }
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
 
-	}
-
-	/**
-	 * Checks if an invoice is a payment form invoice.
-	 *
-	 * @param int $invoice
-	 * @return bool
-	 */
-	public function is_payment_form_invoice( $invoice ) {
-		$is_payment_form_invoice = empty( $_GET['getpaid-admin-action'] ) && ( 'payment_form' == get_post_meta( $invoice, 'wpinv_created_via', true ) || 'geodirectory' == get_post_meta( $invoice, 'wpinv_created_via', true ) );
-		return apply_filters( 'getpaid_invoice_notifications_is_payment_form_invoice', $is_payment_form_invoice, $invoice );
-	}
+    }
+
+    /**
+     * Checks if an invoice is a payment form invoice.
+     *
+     * @param int $invoice
+     * @return bool
+     */
+    public function is_payment_form_invoice( $invoice ) {
+        $is_payment_form_invoice = empty( $_GET['getpaid-admin-action'] ) && ( 'payment_form' == get_post_meta( $invoice, 'wpinv_created_via', true ) || 'geodirectory' == get_post_meta( $invoice, 'wpinv_created_via', true ) );
+        return apply_filters( 'getpaid_invoice_notifications_is_payment_form_invoice', $is_payment_form_invoice, $invoice );
+    }
 
-	/**
-	 * Notifies admin about new invoice notes
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @param string $note
-	 */
-	public function user_note( $invoice, $note ) {
-
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
-		$recipient = $invoice->get_email();
+    /**
+     * Notifies admin about new invoice notes
+     *
+     * @param WPInv_Invoice $invoice
+     * @param string $note
+     */
+    public function user_note( $invoice, $note ) {
+
+        $email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+        $recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient, array( 'customer_note' => $note ) );
-
-	}
-
-	/**
-	 * (Force) Sends overdue notices.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	public function force_send_overdue_notice( $invoice ) {
-		$email = new GetPaid_Notification_Email( 'overdue', $invoice );
-		return $this->send_email( $invoice, $email, 'overdue', $invoice->get_email() );
-	}
-
-	/**
-	 * Sends overdue notices.
-	 *
-	 * @TODO: Create an invoices query class.
-	 */
-	public function overdue() {
-		global $wpdb;
-
-		$email = new GetPaid_Notification_Email( __FUNCTION__ );
-
-		// Fetch reminder days.
-		$reminder_days = array_unique( wp_parse_id_list( $email->get_option( 'days' ) ) );
-
-		// Abort if non is set.
-		if ( empty( $reminder_days ) ) {
-			return;
-		}
-
-		// Retrieve date query.
-		$date_query = $this->get_date_query( $reminder_days );
-
-		// Invoices table.
-		$table = $wpdb->prefix . 'getpaid_invoices';
-
-		// Fetch invoices.
-		$invoices  = $wpdb->get_col(
-			"SELECT posts.ID FROM $wpdb->posts as posts
+        return $this->send_email( $invoice, $email, __FUNCTION__, $recipient, array( 'customer_note' => $note ) );
+
+    }
+
+    /**
+     * (Force) Sends overdue notices.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    public function force_send_overdue_notice( $invoice ) {
+        $email = new GetPaid_Notification_Email( 'overdue', $invoice );
+        return $this->send_email( $invoice, $email, 'overdue', $invoice->get_email() );
+    }
+
+    /**
+     * Sends overdue notices.
+     *
+     * @TODO: Create an invoices query class.
+     */
+    public function overdue() {
+        global $wpdb;
+
+        $email = new GetPaid_Notification_Email( __FUNCTION__ );
+
+        // Fetch reminder days.
+        $reminder_days = array_unique( wp_parse_id_list( $email->get_option( 'days' ) ) );
+
+        // Abort if non is set.
+        if ( empty( $reminder_days ) ) {
+            return;
+        }
+
+        // Retrieve date query.
+        $date_query = $this->get_date_query( $reminder_days );
+
+        // Invoices table.
+        $table = $wpdb->prefix . 'getpaid_invoices';
+
+        // Fetch invoices.
+        $invoices  = $wpdb->get_col(
+            "SELECT posts.ID FROM $wpdb->posts as posts
 			LEFT JOIN $table as invoices ON invoices.post_id = posts.ID
 			WHERE posts.post_type = 'wpi_invoice' AND posts.post_status = 'wpi-pending' $date_query");
 
-		foreach ( $invoices as $invoice ) {
+        foreach ( $invoices as $invoice ) {
 
-			// Only send this email for invoices created via the admin page.
-			if ( ! $this->is_payment_form_invoice( $invoice ) ) {
-				$invoice       = new WPInv_Invoice( $invoice );
-				$email->object = $invoice;
+            // Only send this email for invoices created via the admin page.
+            if ( ! $this->is_payment_form_invoice( $invoice ) ) {
+                $invoice       = new WPInv_Invoice( $invoice );
+                $email->object = $invoice;
 
-				if ( $invoice->needs_payment() ) {
-					$this->send_email( $invoice, $email, __FUNCTION__, $invoice->get_email() );
-				}
+                if ( $invoice->needs_payment() ) {
+                    $this->send_email( $invoice, $email, __FUNCTION__, $invoice->get_email() );
+                }
 
-			}
+            }
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Calculates the date query for an invoices query
-	 *
-	 * @param array $reminder_days
-	 * @return string
-	 */
-	public function get_date_query( $reminder_days ) {
+    /**
+     * Calculates the date query for an invoices query
+     *
+     * @param array $reminder_days
+     * @return string
+     */
+    public function get_date_query( $reminder_days ) {
 
-		$date_query = array(
-			'relation'  => 'OR'
-		);
+        $date_query = array(
+            'relation'  => 'OR'
+        );
 
-		foreach ( $reminder_days as $days ) {
-			$date = date_parse( date( 'Y-m-d', strtotime( "-$days days", current_time( 'timestamp' ) ) ) );
+        foreach ( $reminder_days as $days ) {
+            $date = date_parse( date( 'Y-m-d', strtotime( "-$days days", current_time( 'timestamp' ) ) ) );
 
-			$date_query[] = array(
-				'year'  => $date['year'],
-				'month' => $date['month'],
-				'day'   => $date['day'],
-			);
+            $date_query[] = array(
+                'year'  => $date['year'],
+                'month' => $date['month'],
+                'day'   => $date['day'],
+            );
 
-		}
+        }
 
-		$date_query = new WP_Date_Query( $date_query, 'invoices.due_date' );
+        $date_query = new WP_Date_Query( $date_query, 'invoices.due_date' );
 
-		return $date_query->get_sql();
+        return $date_query->get_sql();
 
-	}
+    }
 
 }

Spacing +125 added lines, -125 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * This class handles invoice notificaiton emails.
@@ -28,7 +28,7 @@ 
 		$this->invoice_actions = apply_filters(
 			'getpaid_notification_email_invoice_triggers',
 			array(
-				'getpaid_new_invoice'                   => array( 'new_invoice', 'user_invoice' ),
+				'getpaid_new_invoice'                   => array('new_invoice', 'user_invoice'),
 				'getpaid_invoice_status_wpi-cancelled'  => 'cancelled_invoice',
 				'getpaid_invoice_status_wpi-failed'     => 'failed_invoice',
 				'getpaid_invoice_status_wpi-onhold'     => 'onhold_invoice',
@@ -50,11 +50,11 @@ 
 	 */
 	public function init_hooks() {
 
-		add_filter( 'getpaid_get_email_merge_tags', array( $this, 'invoice_merge_tags' ), 10, 2 );
-		add_filter( 'getpaid_invoice_email_recipients', array( $this, 'filter_email_recipients' ), 10, 2 );
+		add_filter('getpaid_get_email_merge_tags', array($this, 'invoice_merge_tags'), 10, 2);
+		add_filter('getpaid_invoice_email_recipients', array($this, 'filter_email_recipients'), 10, 2);
 
-		foreach ( $this->invoice_actions as $hook => $email_type ) {
-			$this->init_email_type_hook( $hook, $email_type );
+		foreach ($this->invoice_actions as $hook => $email_type) {
+			$this->init_email_type_hook($hook, $email_type);
 		}
 	}
 
@@ -64,25 +64,25 @@ 
 	 * @param string $hook
 	 * @param string|array $email_type
 	 */
-	public function init_email_type_hook( $hook, $email_type ) {
+	public function init_email_type_hook($hook, $email_type) {
 
-		$email_type = wpinv_parse_list( $email_type );
+		$email_type = wpinv_parse_list($email_type);
 
-		foreach ( $email_type as $type ) {
+		foreach ($email_type as $type) {
 
-			$email = new GetPaid_Notification_Email( $type );
+			$email = new GetPaid_Notification_Email($type);
 
 			// Abort if it is not active.
-			if ( ! $email->is_active() ) {
+			if (!$email->is_active()) {
 				continue;
 			}
 
-			if ( method_exists( $this, $type ) ) {
-				add_action( $hook, array( $this, $type ), 100, 2 );
+			if (method_exists($this, $type)) {
+				add_action($hook, array($this, $type), 100, 2);
 				continue;
 			}
 
-			do_action( 'getpaid_invoice_init_email_type_hook', $type, $hook );
+			do_action('getpaid_invoice_init_email_type_hook', $type, $hook);
 		}
 
 	}
@@ -93,19 +93,19 @@ 
 	 * @param array $merge_tags
 	 * @param mixed|WPInv_Invoice|WPInv_Subscription $object
 	 */
-	public function invoice_merge_tags( $merge_tags, $object ) {
+	public function invoice_merge_tags($merge_tags, $object) {
 
-		if ( is_a( $object, 'WPInv_Invoice' ) ) {
+		if (is_a($object, 'WPInv_Invoice')) {
 			return array_merge(
 				$merge_tags,
-				$this->get_invoice_merge_tags( $object )
+				$this->get_invoice_merge_tags($object)
 			);
 		}
 
-		if ( is_a( $object, 'WPInv_Subscription' ) ) {
+		if (is_a($object, 'WPInv_Subscription')) {
 			return array_merge(
 				$merge_tags,
-				$this->get_invoice_merge_tags( $object->get_parent_payment() )
+				$this->get_invoice_merge_tags($object->get_parent_payment())
 			);
 		}
 
@@ -119,52 +119,52 @@ 
 	 * @param WPInv_Invoice $invoice
 	 * @return array
 	 */
-	public function get_invoice_merge_tags( $invoice ) {
+	public function get_invoice_merge_tags($invoice) {
 
 		// Abort if it does not exist.
-		if ( ! $invoice->get_id() ) {
+		if (!$invoice->get_id()) {
 			return array();
 		}
 
 		$merge_tags = array(
-			'{name}'                => sanitize_text_field( $invoice->get_user_full_name() ),
-			'{full_name}'           => sanitize_text_field( $invoice->get_user_full_name() ),
-			'{first_name}'          => sanitize_text_field( $invoice->get_first_name() ),
-			'{last_name}'           => sanitize_text_field( $invoice->get_last_name() ),
-			'{email}'               => sanitize_email( $invoice->get_email() ),
-			'{invoice_number}'      => sanitize_text_field( $invoice->get_number() ),
-			'{invoice_currency}'    => sanitize_text_field( $invoice->get_currency() ),
-			'{invoice_total}'       => sanitize_text_field( wpinv_price( $invoice->get_total(), $invoice->get_currency() ) ),
-			'{invoice_link}'        => esc_url( $invoice->get_view_url() ),
-			'{invoice_pay_link}'    => esc_url( $invoice->get_checkout_payment_url() ),
-			'{invoice_receipt_link}'=> esc_url( $invoice->get_receipt_url() ),
-			'{invoice_date}'        => getpaid_format_date_value( $invoice->get_date_created() ),
-			'{invoice_due_date}'    => getpaid_format_date_value( $invoice->get_due_date(), __( 'on receipt', 'invoicing' ) ),
-			'{invoice_quote}'       => sanitize_text_field( strtolower( $invoice->get_label() ) ),
-			'{invoice_label}'       => sanitize_text_field( ucfirst( $invoice->get_label() ) ),
-			'{invoice_description}' => wp_kses_post( $invoice->get_description() ),
-			'{subscription_name}'   => wp_kses_post( $invoice->get_subscription_name() ),
-			'{is_was}'              => strtotime( $invoice->get_due_date() ) < current_time( 'timestamp' ) ? __( 'was', 'invoicing' ) : __( 'is', 'invoicing' ),
+			'{name}'                => sanitize_text_field($invoice->get_user_full_name()),
+			'{full_name}'           => sanitize_text_field($invoice->get_user_full_name()),
+			'{first_name}'          => sanitize_text_field($invoice->get_first_name()),
+			'{last_name}'           => sanitize_text_field($invoice->get_last_name()),
+			'{email}'               => sanitize_email($invoice->get_email()),
+			'{invoice_number}'      => sanitize_text_field($invoice->get_number()),
+			'{invoice_currency}'    => sanitize_text_field($invoice->get_currency()),
+			'{invoice_total}'       => sanitize_text_field(wpinv_price($invoice->get_total(), $invoice->get_currency())),
+			'{invoice_link}'        => esc_url($invoice->get_view_url()),
+			'{invoice_pay_link}'    => esc_url($invoice->get_checkout_payment_url()),
+			'{invoice_receipt_link}'=> esc_url($invoice->get_receipt_url()),
+			'{invoice_date}'        => getpaid_format_date_value($invoice->get_date_created()),
+			'{invoice_due_date}'    => getpaid_format_date_value($invoice->get_due_date(), __('on receipt', 'invoicing')),
+			'{invoice_quote}'       => sanitize_text_field(strtolower($invoice->get_label())),
+			'{invoice_label}'       => sanitize_text_field(ucfirst($invoice->get_label())),
+			'{invoice_description}' => wp_kses_post($invoice->get_description()),
+			'{subscription_name}'   => wp_kses_post($invoice->get_subscription_name()),
+			'{is_was}'              => strtotime($invoice->get_due_date()) < current_time('timestamp') ? __('was', 'invoicing') : __('is', 'invoicing'),
 		);
 
-		$payment_form_data = $invoice->get_meta( 'payment_form_data', true );
+		$payment_form_data = $invoice->get_meta('payment_form_data', true);
 
-		if ( is_array( $payment_form_data ) ) {
+		if (is_array($payment_form_data)) {
 
-			foreach ( $payment_form_data as $label => $value ) {
+			foreach ($payment_form_data as $label => $value) {
 
-				$label = preg_replace( '/[^a-z0-9]+/', '_', strtolower( $label ) );
-				$value = is_array( $value ) ? implode( ', ', $value ) : $value;
+				$label = preg_replace('/[^a-z0-9]+/', '_', strtolower($label));
+				$value = is_array($value) ? implode(', ', $value) : $value;
 
-				if ( is_scalar ( $value ) ) {
-					$merge_tags[ "{{$label}}" ] = wp_kses_post( $value );
+				if (is_scalar($value)) {
+					$merge_tags["{{$label}}"] = wp_kses_post($value);
 				}
 
 			}
 
 		}
 
-		return apply_filters( 'getpaid_invoice_email_merge_tags', $merge_tags, $invoice );
+		return apply_filters('getpaid_invoice_email_merge_tags', $merge_tags, $invoice);
 	}
 
 	/**
@@ -176,12 +176,12 @@ 
 	 * @param string|array $recipients
 	 * @param array $extra_args Extra template args.
 	 */
-	public function send_email( $invoice, $email, $type, $recipients, $extra_args = array() ) {
+	public function send_email($invoice, $email, $type, $recipients, $extra_args = array()) {
 
-		do_action( 'getpaid_before_send_invoice_notification', $type, $invoice, $email );
+		do_action('getpaid_before_send_invoice_notification', $type, $invoice, $email);
 
-		$skip = $invoice->is_free() && wpinv_get_option( 'skip_email_free_invoice' );
-		if ( apply_filters( 'getpaid_skip_invoice_email', $skip, $type, $invoice ) ) {
+		$skip = $invoice->is_free() && wpinv_get_option('skip_email_free_invoice');
+		if (apply_filters('getpaid_skip_invoice_email', $skip, $type, $invoice)) {
 			return;
 		}
 
@@ -189,41 +189,41 @@ 
 		$merge_tags = $email->get_merge_tags();
 
 		$result = $mailer->send(
-			apply_filters( 'getpaid_invoice_email_recipients', wpinv_parse_list( $recipients ), $email ),
-			$email->add_merge_tags( $email->get_subject(), $merge_tags ),
-			$email->get_content( $merge_tags, $extra_args ),
+			apply_filters('getpaid_invoice_email_recipients', wpinv_parse_list($recipients), $email),
+			$email->add_merge_tags($email->get_subject(), $merge_tags),
+			$email->get_content($merge_tags, $extra_args),
 			$email->get_attachments()
 		);
 
 		// Maybe send a copy to the admin.
-		if ( $email->include_admin_bcc() ) {
+		if ($email->include_admin_bcc()) {
 			$mailer->send(
 				wpinv_get_admin_email(),
-				$email->add_merge_tags( $email->get_subject() . __( ' - ADMIN BCC COPY', 'invoicing' ), $merge_tags ),
-				$email->get_content( $merge_tags ),
+				$email->add_merge_tags($email->get_subject() . __(' - ADMIN BCC COPY', 'invoicing'), $merge_tags),
+				$email->get_content($merge_tags),
 				$email->get_attachments()
 			);
 		}
 
-		if ( $result ) {
+		if ($result) {
 			$invoice->add_system_note(
 				sprintf(
-					__( 'Successfully sent %s notification email to %s.', 'invoicing' ),
-					sanitize_key( $type ),
-					$email->is_admin_email() ? __( 'admin' ) : __( 'the customer' )
+					__('Successfully sent %s notification email to %s.', 'invoicing'),
+					sanitize_key($type),
+					$email->is_admin_email() ? __('admin') : __('the customer')
 				)
 			);
 		} else {
 			$invoice->add_system_note(
 				sprintf(
-					__( 'Failed sending %s notification email to %s.', 'invoicing' ),
-					sanitize_key( $type ),
-					$email->is_admin_email() ? __( 'admin' ) : __( 'the customer' )
+					__('Failed sending %s notification email to %s.', 'invoicing'),
+					sanitize_key($type),
+					$email->is_admin_email() ? __('admin') : __('the customer')
 				)
 			);	
 		}
 
-		do_action( 'getpaid_after_send_invoice_notification', $type, $invoice, $email );
+		do_action('getpaid_after_send_invoice_notification', $type, $invoice, $email);
 
 		return $result;
 	}
@@ -234,20 +234,20 @@ 
 	 * @param array $recipients
 	 * @param GetPaid_Notification_Email $email
 	 */
-	public function filter_email_recipients( $recipients, $email ) {
+	public function filter_email_recipients($recipients, $email) {
 
-		if ( ! $email->is_admin_email() ) {
+		if (!$email->is_admin_email()) {
 			$cc   = $email->object->get_email_cc();
-			$cc_2 = get_user_meta( $email->object->get_user_id(), '_wpinv_email_cc', true );
+			$cc_2 = get_user_meta($email->object->get_user_id(), '_wpinv_email_cc', true);
 
-			if ( ! empty( $cc ) ) {
-				$cc = array_map( 'sanitize_email', wpinv_parse_list( $cc ) );
-				$recipients = array_filter( array_unique( array_merge( $recipients, $cc ) ) );
+			if (!empty($cc)) {
+				$cc = array_map('sanitize_email', wpinv_parse_list($cc));
+				$recipients = array_filter(array_unique(array_merge($recipients, $cc)));
 			}
 
-			if ( ! empty( $cc_2 ) ) {
-				$cc_2 = array_map( 'sanitize_email', wpinv_parse_list( $cc_2 ) );
-				$recipients = array_filter( array_unique( array_merge( $recipients, $cc_2 ) ) );
+			if (!empty($cc_2)) {
+				$cc_2 = array_map('sanitize_email', wpinv_parse_list($cc_2));
+				$recipients = array_filter(array_unique(array_merge($recipients, $cc_2)));
 			}
 
 		}
@@ -261,17 +261,17 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function new_invoice( $invoice ) {
+	public function new_invoice($invoice) {
 
 		// Only send this email for invoices created via the admin page.
-		if ( ! $invoice->is_type( 'invoice' ) || $invoice->is_paid() || $this->is_payment_form_invoice( $invoice->get_id() ) ) {
+		if (!$invoice->is_type('invoice') || $invoice->is_paid() || $this->is_payment_form_invoice($invoice->get_id())) {
 			return;
 		}
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = wpinv_get_admin_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -280,12 +280,12 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function cancelled_invoice( $invoice ) {
+	public function cancelled_invoice($invoice) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = wpinv_get_admin_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -294,12 +294,12 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function failed_invoice( $invoice ) {
+	public function failed_invoice($invoice) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = wpinv_get_admin_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -308,12 +308,12 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function onhold_invoice( $invoice ) {
+	public function onhold_invoice($invoice) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -322,12 +322,12 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function processing_invoice( $invoice ) {
+	public function processing_invoice($invoice) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -336,17 +336,17 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function completed_invoice( $invoice ) {
+	public function completed_invoice($invoice) {
 
 		// (Maybe) abort if it is a renewal invoice.
-		if ( $invoice->is_renewal() && ! wpinv_get_option( 'email_completed_invoice_renewal_active', false ) ) {
+		if ($invoice->is_renewal() && !wpinv_get_option('email_completed_invoice_renewal_active', false)) {
 			return;
 		}
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -355,12 +355,12 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function refunded_invoice( $invoice ) {
+	public function refunded_invoice($invoice) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -370,21 +370,21 @@ 
 	 * @param WPInv_Invoice $invoice
 	 * @param bool $force
 	 */
-	public function user_invoice( $invoice, $force = false ) {
+	public function user_invoice($invoice, $force = false) {
 
-		if ( ! empty( $GLOBALS['wpinv_skip_invoice_notification'] ) ) {
+		if (!empty($GLOBALS['wpinv_skip_invoice_notification'])) {
 			return;
 		}
 
 		// Only send this email for invoices created via the admin page.
-		if ( ! $invoice->is_type( 'invoice' ) || $invoice->is_paid() || ( empty( $force ) && $this->is_payment_form_invoice( $invoice->get_id() ) ) ) {
+		if (!$invoice->is_type('invoice') || $invoice->is_paid() || (empty($force) && $this->is_payment_form_invoice($invoice->get_id()))) {
 			return;
 		}
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient);
 
 	}
 
@@ -394,9 +394,9 @@ 
 	 * @param int $invoice
 	 * @return bool
 	 */
-	public function is_payment_form_invoice( $invoice ) {
-		$is_payment_form_invoice = empty( $_GET['getpaid-admin-action'] ) && ( 'payment_form' == get_post_meta( $invoice, 'wpinv_created_via', true ) || 'geodirectory' == get_post_meta( $invoice, 'wpinv_created_via', true ) );
-		return apply_filters( 'getpaid_invoice_notifications_is_payment_form_invoice', $is_payment_form_invoice, $invoice );
+	public function is_payment_form_invoice($invoice) {
+		$is_payment_form_invoice = empty($_GET['getpaid-admin-action']) && ('payment_form' == get_post_meta($invoice, 'wpinv_created_via', true) || 'geodirectory' == get_post_meta($invoice, 'wpinv_created_via', true));
+		return apply_filters('getpaid_invoice_notifications_is_payment_form_invoice', $is_payment_form_invoice, $invoice);
 	}
 
 	/**
@@ -405,12 +405,12 @@ 
 	 * @param WPInv_Invoice $invoice
 	 * @param string $note
 	 */
-	public function user_note( $invoice, $note ) {
+	public function user_note($invoice, $note) {
 
-		$email     = new GetPaid_Notification_Email( __FUNCTION__, $invoice );
+		$email     = new GetPaid_Notification_Email(__FUNCTION__, $invoice);
 		$recipient = $invoice->get_email();
 
-		return $this->send_email( $invoice, $email, __FUNCTION__, $recipient, array( 'customer_note' => $note ) );
+		return $this->send_email($invoice, $email, __FUNCTION__, $recipient, array('customer_note' => $note));
 
 	}
 
@@ -419,9 +419,9 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	public function force_send_overdue_notice( $invoice ) {
-		$email = new GetPaid_Notification_Email( 'overdue', $invoice );
-		return $this->send_email( $invoice, $email, 'overdue', $invoice->get_email() );
+	public function force_send_overdue_notice($invoice) {
+		$email = new GetPaid_Notification_Email('overdue', $invoice);
+		return $this->send_email($invoice, $email, 'overdue', $invoice->get_email());
 	}
 
 	/**
@@ -432,37 +432,37 @@ 
 	public function overdue() {
 		global $wpdb;
 
-		$email = new GetPaid_Notification_Email( __FUNCTION__ );
+		$email = new GetPaid_Notification_Email(__FUNCTION__);
 
 		// Fetch reminder days.
-		$reminder_days = array_unique( wp_parse_id_list( $email->get_option( 'days' ) ) );
+		$reminder_days = array_unique(wp_parse_id_list($email->get_option('days')));
 
 		// Abort if non is set.
-		if ( empty( $reminder_days ) ) {
+		if (empty($reminder_days)) {
 			return;
 		}
 
 		// Retrieve date query.
-		$date_query = $this->get_date_query( $reminder_days );
+		$date_query = $this->get_date_query($reminder_days);
 
 		// Invoices table.
 		$table = $wpdb->prefix . 'getpaid_invoices';
 
 		// Fetch invoices.
-		$invoices  = $wpdb->get_col(
+		$invoices = $wpdb->get_col(
 			"SELECT posts.ID FROM $wpdb->posts as posts
 			LEFT JOIN $table as invoices ON invoices.post_id = posts.ID
 			WHERE posts.post_type = 'wpi_invoice' AND posts.post_status = 'wpi-pending' $date_query");
 
-		foreach ( $invoices as $invoice ) {
+		foreach ($invoices as $invoice) {
 
 			// Only send this email for invoices created via the admin page.
-			if ( ! $this->is_payment_form_invoice( $invoice ) ) {
-				$invoice       = new WPInv_Invoice( $invoice );
+			if (!$this->is_payment_form_invoice($invoice)) {
+				$invoice       = new WPInv_Invoice($invoice);
 				$email->object = $invoice;
 
-				if ( $invoice->needs_payment() ) {
-					$this->send_email( $invoice, $email, __FUNCTION__, $invoice->get_email() );
+				if ($invoice->needs_payment()) {
+					$this->send_email($invoice, $email, __FUNCTION__, $invoice->get_email());
 				}
 
 			}
@@ -477,14 +477,14 @@ 
 	 * @param array $reminder_days
 	 * @return string
 	 */
-	public function get_date_query( $reminder_days ) {
+	public function get_date_query($reminder_days) {
 
 		$date_query = array(
 			'relation'  => 'OR'
 		);
 
-		foreach ( $reminder_days as $days ) {
-			$date = date_parse( date( 'Y-m-d', strtotime( "-$days days", current_time( 'timestamp' ) ) ) );
+		foreach ($reminder_days as $days) {
+			$date = date_parse(date('Y-m-d', strtotime("-$days days", current_time('timestamp'))));
 
 			$date_query[] = array(
 				'year'  => $date['year'],
@@ -494,7 +494,7 @@ 
 
 		}
 
-		$date_query = new WP_Date_Query( $date_query, 'invoices.due_date' );
+		$date_query = new WP_Date_Query($date_query, 'invoices.due_date');
 
 		return $date_query->get_sql();
 

includes/admin/meta-boxes/class-getpaid-meta-box-item-details.php

Indentation +27 added lines, -27 removed lines

@@ -8,7 +8,7 @@ 
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
-	exit; // Exit if accessed directly
+    exit; // Exit if accessed directly
 }
 
 /**
@@ -17,10 +17,10 @@ 
 class GetPaid_Meta_Box_Item_Details {
 
     /**
-	 * Output the metabox.
-	 *
-	 * @param WP_Post $post
-	 */
+     * Output the metabox.
+     *
+     * @param WP_Post $post
+     */
     public static function output( $post ) {
 
         // Prepare the item.
@@ -270,35 +270,35 @@ 
     }
 
     /**
-	 * Save meta box data.
-	 *
-	 * @param int $post_id
-	 */
-	public static function save( $post_id ) {
+     * Save meta box data.
+     *
+     * @param int $post_id
+     */
+    public static function save( $post_id ) {
 
         // Prepare the item.
         $item = new WPInv_Item( $post_id );
 
         // Load new data.
         $item->set_props(
-			array(
-				'price'                => isset( $_POST['wpinv_item_price'] ) ? getpaid_standardize_amount( $_POST['wpinv_item_price'] ) : null,
-				'vat_rule'             => isset( $_POST['wpinv_vat_rules'] ) ? wpinv_clean( $_POST['wpinv_vat_rules'] ) : null,
-				'vat_class'            => isset( $_POST['wpinv_vat_class'] ) ? wpinv_clean( $_POST['wpinv_vat_class'] ) : null,
-				'type'                 => isset( $_POST['wpinv_item_type'] ) ? wpinv_clean( $_POST['wpinv_item_type'] ) : null,
-				'is_dynamic_pricing'   => ! empty( $_POST['wpinv_name_your_price'] ),
+            array(
+                'price'                => isset( $_POST['wpinv_item_price'] ) ? getpaid_standardize_amount( $_POST['wpinv_item_price'] ) : null,
+                'vat_rule'             => isset( $_POST['wpinv_vat_rules'] ) ? wpinv_clean( $_POST['wpinv_vat_rules'] ) : null,
+                'vat_class'            => isset( $_POST['wpinv_vat_class'] ) ? wpinv_clean( $_POST['wpinv_vat_class'] ) : null,
+                'type'                 => isset( $_POST['wpinv_item_type'] ) ? wpinv_clean( $_POST['wpinv_item_type'] ) : null,
+                'is_dynamic_pricing'   => ! empty( $_POST['wpinv_name_your_price'] ),
                 'minimum_price'        => isset( $_POST['wpinv_minimum_price'] ) ? getpaid_standardize_amount( $_POST['wpinv_minimum_price'] ) : null,
-				'is_recurring'         => ! empty( $_POST['wpinv_is_recurring'] ),
-				'recurring_period'     => isset( $_POST['wpinv_recurring_period'] ) ? wpinv_clean( $_POST['wpinv_recurring_period'] ) : null,
-				'recurring_interval'   => isset( $_POST['wpinv_recurring_interval'] ) ? (int) $_POST['wpinv_recurring_interval'] : 1,
-				'recurring_limit'      => isset( $_POST['wpinv_recurring_limit'] ) ? (int) $_POST['wpinv_recurring_limit'] : null,
-				'is_free_trial'        => isset( $_POST['wpinv_trial_interval'] ) ? ( 0 != (int) $_POST['wpinv_trial_interval'] ) : null,
-				'trial_period'         => isset( $_POST['wpinv_trial_period'] ) ? wpinv_clean( $_POST['wpinv_trial_period'] ) : null,
-				'trial_interval'       => isset( $_POST['wpinv_trial_interval'] ) ? (int) $_POST['wpinv_trial_interval'] : null,
-			)
+                'is_recurring'         => ! empty( $_POST['wpinv_is_recurring'] ),
+                'recurring_period'     => isset( $_POST['wpinv_recurring_period'] ) ? wpinv_clean( $_POST['wpinv_recurring_period'] ) : null,
+                'recurring_interval'   => isset( $_POST['wpinv_recurring_interval'] ) ? (int) $_POST['wpinv_recurring_interval'] : 1,
+                'recurring_limit'      => isset( $_POST['wpinv_recurring_limit'] ) ? (int) $_POST['wpinv_recurring_limit'] : null,
+                'is_free_trial'        => isset( $_POST['wpinv_trial_interval'] ) ? ( 0 != (int) $_POST['wpinv_trial_interval'] ) : null,
+                'trial_period'         => isset( $_POST['wpinv_trial_period'] ) ? wpinv_clean( $_POST['wpinv_trial_period'] ) : null,
+                'trial_interval'       => isset( $_POST['wpinv_trial_interval'] ) ? (int) $_POST['wpinv_trial_interval'] : null,
+            )
         );
 
-		$item->save();
-		do_action( 'getpaid_item_metabox_save', $post_id, $item );
-	}
+        $item->save();
+        do_action( 'getpaid_item_metabox_save', $post_id, $item );
+    }
 }

Spacing +73 added lines, -73 removed lines

@@ -7,7 +7,7 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 
@@ -21,27 +21,27 @@ 
 	 *
 	 * @param WP_Post $post
 	 */
-    public static function output( $post ) {
+    public static function output($post) {
 
         // Prepare the item.
-        $item = new WPInv_Item( $post );
+        $item = new WPInv_Item($post);
 
         // Nonce field.
-        wp_nonce_field( 'getpaid_meta_nonce', 'getpaid_meta_nonce' );
+        wp_nonce_field('getpaid_meta_nonce', 'getpaid_meta_nonce');
 
         // Set the currency position.
         $position = wpinv_currency_position();
 
-        if ( $position == 'left_space' ) {
+        if ($position == 'left_space') {
             $position = 'left';
         }
 
-        if ( $position == 'right_space' ) {
+        if ($position == 'right_space') {
             $position = 'right';
         }
 
         ?>
-        <input type="hidden" id="_wpi_current_type" value="<?php echo esc_attr( $item->get_type( 'edit' ) ); ?>" />
+        <input type="hidden" id="_wpi_current_type" value="<?php echo esc_attr($item->get_type('edit')); ?>" />
         <style>
             #poststuff .input-group-text,
             #poststuff .form-control {
@@ -55,21 +55,21 @@ 
         </style>
         <div class='bsui' style='max-width: 600px;padding-top: 10px;'>
 
-            <?php do_action( 'wpinv_item_details_metabox_before_price', $item ); ?>
+            <?php do_action('wpinv_item_details_metabox_before_price', $item); ?>
             <div class="form-group row">
-                <label class="col-sm-3 col-form-label" for="wpinv_item_price"><span><?php _e( 'Item Price', 'invoicing' )?></span></label>
+                <label class="col-sm-3 col-form-label" for="wpinv_item_price"><span><?php _e('Item Price', 'invoicing')?></span></label>
                 <div class="col-sm-8">
                     <div class="row">
                         <div class="col-sm-4 getpaid-price-input">
                             <div class="input-group input-group-sm">
-                                <?php if( 'left' == $position ) : ?>
+                                <?php if ('left' == $position) : ?>
                                 <div class="input-group-prepend">
                                     <span class="input-group-text" id="wpinv_item_price_symbol"><?php echo wpinv_currency_symbol(); ?></span>
                                 </div>
                                 <?php endif; ?>
-                                <input type="text" name="wpinv_item_price" id="wpinv_item_price" value="<?php echo esc_attr( getpaid_unstandardize_amount( $item->get_price( 'edit' ) ) ); ?>" placeholder="<?php echo esc_attr( wpinv_sanitize_amount( 0 ) ); ?>" class="form-control">
+                                <input type="text" name="wpinv_item_price" id="wpinv_item_price" value="<?php echo esc_attr(getpaid_unstandardize_amount($item->get_price('edit'))); ?>" placeholder="<?php echo esc_attr(wpinv_sanitize_amount(0)); ?>" class="form-control">
 
-                                <?php if( 'left' != $position ) : ?>
+                                <?php if ('left' != $position) : ?>
                                 <div class="input-group-append">
                                     <span class="input-group-text" id="wpinv_item_price_symbol"><?php echo wpinv_currency_symbol(); ?></span>
                                 </div>
@@ -79,10 +79,10 @@ 
                         </div>
                         <div class="col-sm-4 wpinv_show_if_recurring">
                             <?php
-                                _e( 'every' );
+                                _e('every');
                                 echo "&nbsp;";
                             ?>
-                            <input type="number" style="max-width: 60px;" value="<?php echo esc_attr( $item->get_recurring_interval( 'edit' ) ); ?>" placeholder="1" name="wpinv_recurring_interval" id="wpinv_recurring_interval" />
+                            <input type="number" style="max-width: 60px;" value="<?php echo esc_attr($item->get_recurring_interval('edit')); ?>" placeholder="1" name="wpinv_recurring_interval" id="wpinv_recurring_interval" />
                         </div>
                         <div class="col-sm-4 wpinv_show_if_recurring">
                             <?php
@@ -90,16 +90,16 @@ 
                                     array(
                                         'id'               => 'wpinv_recurring_period',
                                         'name'             => 'wpinv_recurring_period',
-                                        'label'            => __( 'Period', 'invoicing' ),
-                                        'placeholder'      => __( 'Select Period', 'invoicing' ),
-                                        'value'            => $item->get_recurring_period( 'edit' ),
+                                        'label'            => __('Period', 'invoicing'),
+                                        'placeholder'      => __('Select Period', 'invoicing'),
+                                        'value'            => $item->get_recurring_period('edit'),
                                         'select2'          => true,
                                         'data-allow-clear' => 'false',
                                         'options'     => array(
-                                            'D'  => __( 'day(s)', 'invoicing' ),
-                                            'W'  => __( 'week(s)', 'invoicing' ),
-                                            'M'  => __( 'month(s)', 'invoicing' ),
-                                            'Y'  => __( 'year(s)', 'invoicing' ),
+                                            'D'  => __('day(s)', 'invoicing'),
+                                            'W'  => __('week(s)', 'invoicing'),
+                                            'M'  => __('month(s)', 'invoicing'),
+                                            'Y'  => __('year(s)', 'invoicing'),
                                         )
                                     )
                                 );
@@ -111,9 +111,9 @@ 
                             <?php
 
                                 // Dynamic pricing.
-                                if( $item->supports_dynamic_pricing() ) {
+                                if ($item->supports_dynamic_pricing()) {
 
-                                    do_action( 'wpinv_item_details_metabox_before_dynamic_pricing_checkbox', $item );
+                                    do_action('wpinv_item_details_metabox_before_dynamic_pricing_checkbox', $item);
 
                                     // NYP toggle.
                                     echo aui()->input(
@@ -121,31 +121,31 @@ 
                                             'id'          => 'wpinv_name_your_price',
                                             'name'        => 'wpinv_name_your_price',
                                             'type'        => 'checkbox',
-                                            'label'       => apply_filters( 'wpinv_name_your_price_toggle_text', __( 'Let customers name their price', 'invoicing' ) ),
+                                            'label'       => apply_filters('wpinv_name_your_price_toggle_text', __('Let customers name their price', 'invoicing')),
                                             'value'       => '1',
                                             'checked'     => $item->user_can_set_their_price(),
                                             'no_wrap'     => true,
                                         )
                                     );
 
-                                    do_action( 'wpinv_item_details_metabox_dynamic_pricing_checkbox', $item );
+                                    do_action('wpinv_item_details_metabox_dynamic_pricing_checkbox', $item);
 
                                 }
 
                                 // Subscriptions.
-                                do_action( 'wpinv_item_details_metabox_before_subscription_checkbox', $item );
+                                do_action('wpinv_item_details_metabox_before_subscription_checkbox', $item);
                                 echo aui()->input(
                                     array(
                                         'id'          => 'wpinv_is_recurring',
                                         'name'        => 'wpinv_is_recurring',
                                         'type'        => 'checkbox',
-                                        'label'       => apply_filters( 'wpinv_is_recurring_toggle_text', __( 'Charge customers a recurring amount for this item', 'invoicing' ) ),
+                                        'label'       => apply_filters('wpinv_is_recurring_toggle_text', __('Charge customers a recurring amount for this item', 'invoicing')),
                                         'value'       => '1',
                                         'checked'     => $item->is_recurring(),
                                         'no_wrap'     => true,
                                     )
                                 );
-                                do_action( 'wpinv_item_details_metabox_subscription_checkbox', $item );
+                                do_action('wpinv_item_details_metabox_subscription_checkbox', $item);
 
                             ?>
                             <div class="wpinv_show_if_recurring">
@@ -155,30 +155,30 @@ 
                     </div>
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help wpinv_show_if_recurring" title="<?php esc_attr_e( 'Set the subscription price, billing interval and period.', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help wpinv_show_if_recurring" title="<?php esc_attr_e('Set the subscription price, billing interval and period.', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_item_details_metabox_after_price', $item ); ?>
+            <?php do_action('wpinv_item_details_metabox_after_price', $item); ?>
 
-            <?php if( $item->supports_dynamic_pricing() ) : ?>
-                <?php do_action( 'wpinv_item_details_metabox_before_minimum_price', $item ); ?>
+            <?php if ($item->supports_dynamic_pricing()) : ?>
+                <?php do_action('wpinv_item_details_metabox_before_minimum_price', $item); ?>
                 <div class="wpinv_show_if_dynamic wpinv_minimum_price">
 
                     <div class="form-group row">
                         <label for="wpinv_minimum_price" class="col-sm-3 col-form-label">
-                            <?php _e( 'Minimum Price', 'invoicing' );?>
+                            <?php _e('Minimum Price', 'invoicing'); ?>
                         </label>
                         <div class="col-sm-8">
                             <div class="input-group input-group-sm">
-                                <?php if( 'left' == $position ) : ?>
+                                <?php if ('left' == $position) : ?>
                                     <div class="input-group-prepend">
                                         <span class="input-group-text" id="wpinv_item_minimum_price_symbol"><?php echo wpinv_currency_symbol(); ?></span>
                                     </div>
                                 <?php endif; ?>
 
-                                <input type="text" name="wpinv_minimum_price" id="wpinv_minimum_price" value="<?php echo esc_attr( getpaid_unstandardize_amount( $item->get_minimum_price( 'edit' ) ) ); ?>" placeholder="<?php echo esc_attr( wpinv_sanitize_amount( 0 ) ); ?>" class="form-control">
+                                <input type="text" name="wpinv_minimum_price" id="wpinv_minimum_price" value="<?php echo esc_attr(getpaid_unstandardize_amount($item->get_minimum_price('edit'))); ?>" placeholder="<?php echo esc_attr(wpinv_sanitize_amount(0)); ?>" class="form-control">
 
-                                <?php if( 'left' != $position ) : ?>
+                                <?php if ('left' != $position) : ?>
                                     <div class="input-group-append">
                                         <span class="input-group-text" id="wpinv_item_minimum_price_symbol"><?php echo wpinv_currency_symbol(); ?></span>
                                     </div>
@@ -187,45 +187,45 @@ 
                         </div>
 
                         <div class="col-sm-1 pt-2 pl-0">
-                            <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Enter the minimum amount that users are allowed to set', 'invoicing' ); ?>"></span>
+                            <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Enter the minimum amount that users are allowed to set', 'invoicing'); ?>"></span>
                         </div>
                     </div>
 
                 </div>
-                <?php do_action( 'wpinv_item_details_metabox_minimum_price', $item ); ?>
+                <?php do_action('wpinv_item_details_metabox_minimum_price', $item); ?>
             <?php endif; ?>
 
-            <?php do_action( 'wpinv_item_details_metabox_before_maximum_renewals', $item ); ?>
+            <?php do_action('wpinv_item_details_metabox_before_maximum_renewals', $item); ?>
             <div class="wpinv_show_if_recurring wpinv_maximum_renewals">
 
                 <div class="form-group row">
                     <label for="wpinv_recurring_limit" class="col-sm-3 col-form-label">
-                        <?php _e( 'Maximum Renewals', 'invoicing' );?>
+                        <?php _e('Maximum Renewals', 'invoicing'); ?>
                     </label>
                     <div class="col-sm-8">
-                        <input type="number" value="<?php echo esc_attr( $item->get_recurring_limit( 'edit' ) ); ?>" placeholder="0" name="wpinv_recurring_limit" id="wpinv_recurring_limit" style="width: 100%;" />
+                        <input type="number" value="<?php echo esc_attr($item->get_recurring_limit('edit')); ?>" placeholder="0" name="wpinv_recurring_limit" id="wpinv_recurring_limit" style="width: 100%;" />
                     </div>
                     <div class="col-sm-1 pt-2 pl-0">
-                        <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Leave empty if you want the subscription to renew until it is cancelled.', 'invoicing' ); ?>"></span>
+                        <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Leave empty if you want the subscription to renew until it is cancelled.', 'invoicing'); ?>"></span>
                     </div>
                 </div>
 
             </div>
-            <?php do_action( 'wpinv_item_details_metabox_maximum_renewals', $item ); ?>
+            <?php do_action('wpinv_item_details_metabox_maximum_renewals', $item); ?>
 
-            <?php do_action( 'wpinv_item_details_metabox_before_free_trial', $item ); ?>
+            <?php do_action('wpinv_item_details_metabox_before_free_trial', $item); ?>
             <div class="wpinv_show_if_recurring wpinv_free_trial">
 
                 <div class="form-group row">
-                    <label class="col-sm-3 col-form-label" for="wpinv_trial_interval"><?php defined( 'GETPAID_PAID_TRIALS_VERSION' ) ? _e( 'Free/Paid Trial', 'invoicing' ) : _e( 'Free Trial', 'invoicing' )?></label>
+                    <label class="col-sm-3 col-form-label" for="wpinv_trial_interval"><?php defined('GETPAID_PAID_TRIALS_VERSION') ? _e('Free/Paid Trial', 'invoicing') : _e('Free Trial', 'invoicing')?></label>
 
                     <div class="col-sm-8">
                         <div class="row">
                             <div class="col-sm-6">
-                                <?php $value = $item->has_free_trial() ? $item->get_trial_interval( 'edit' ) : 0;?>
+                                <?php $value = $item->has_free_trial() ? $item->get_trial_interval('edit') : 0; ?>
 
                                 <div>
-                                    <input type="number" name="wpinv_trial_interval" style="width: 100%;" placeholder="0" id="wpinv_trial_interval" value="<?php echo esc_attr( $value ); ?>" >
+                                    <input type="number" name="wpinv_trial_interval" style="width: 100%;" placeholder="0" id="wpinv_trial_interval" value="<?php echo esc_attr($value); ?>" >
                                 </div>
                             </div>
                             <div class="col-sm-6">
@@ -234,17 +234,17 @@ 
                                         array(
                                             'id'               => 'wpinv_trial_period',
                                             'name'             => 'wpinv_trial_period',
-                                            'label'            => __( 'Trial Period', 'invoicing' ),
-                                            'placeholder'      => __( 'Trial Period', 'invoicing' ),
-                                            'value'            => $item->get_trial_period( 'edit' ),
+                                            'label'            => __('Trial Period', 'invoicing'),
+                                            'placeholder'      => __('Trial Period', 'invoicing'),
+                                            'value'            => $item->get_trial_period('edit'),
                                             'select2'          => true,
                                             'data-allow-clear' => 'false',
                                             'no_wrap'          => true,
                                             'options'          => array(
-                                                'D'  => __( 'day(s)', 'invoicing' ),
-                                                'W'  => __( 'week(s)', 'invoicing' ),
-                                                'M'  => __( 'month(s)', 'invoicing' ),
-                                                'Y'  => __( 'year(s)', 'invoicing' ),
+                                                'D'  => __('day(s)', 'invoicing'),
+                                                'W'  => __('week(s)', 'invoicing'),
+                                                'M'  => __('month(s)', 'invoicing'),
+                                                'Y'  => __('year(s)', 'invoicing'),
                                             )
                                         )
                                     );
@@ -255,15 +255,15 @@ 
                     </div>
 
                     <div class="col-sm-1 pt-2 pl-0">
-                        <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'An optional period of time to wait before charging the first recurring payment.', 'invoicing' ); ?>"></span>
+                        <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('An optional period of time to wait before charging the first recurring payment.', 'invoicing'); ?>"></span>
                     </div>
 
                 </div>
 
             </div>
-            <?php do_action( 'wpinv_item_details_metabox__free_trial', $item ); ?>
+            <?php do_action('wpinv_item_details_metabox__free_trial', $item); ?>
 
-            <?php do_action( 'wpinv_item_details_metabox_item_details', $item ); ?>
+            <?php do_action('wpinv_item_details_metabox_item_details', $item); ?>
         </div>
         <?php
 
@@ -274,31 +274,31 @@ 
 	 *
 	 * @param int $post_id
 	 */
-	public static function save( $post_id ) {
+	public static function save($post_id) {
 
         // Prepare the item.
-        $item = new WPInv_Item( $post_id );
+        $item = new WPInv_Item($post_id);
 
         // Load new data.
         $item->set_props(
 			array(
-				'price'                => isset( $_POST['wpinv_item_price'] ) ? getpaid_standardize_amount( $_POST['wpinv_item_price'] ) : null,
-				'vat_rule'             => isset( $_POST['wpinv_vat_rules'] ) ? wpinv_clean( $_POST['wpinv_vat_rules'] ) : null,
-				'vat_class'            => isset( $_POST['wpinv_vat_class'] ) ? wpinv_clean( $_POST['wpinv_vat_class'] ) : null,
-				'type'                 => isset( $_POST['wpinv_item_type'] ) ? wpinv_clean( $_POST['wpinv_item_type'] ) : null,
-				'is_dynamic_pricing'   => ! empty( $_POST['wpinv_name_your_price'] ),
-                'minimum_price'        => isset( $_POST['wpinv_minimum_price'] ) ? getpaid_standardize_amount( $_POST['wpinv_minimum_price'] ) : null,
-				'is_recurring'         => ! empty( $_POST['wpinv_is_recurring'] ),
-				'recurring_period'     => isset( $_POST['wpinv_recurring_period'] ) ? wpinv_clean( $_POST['wpinv_recurring_period'] ) : null,
-				'recurring_interval'   => isset( $_POST['wpinv_recurring_interval'] ) ? (int) $_POST['wpinv_recurring_interval'] : 1,
-				'recurring_limit'      => isset( $_POST['wpinv_recurring_limit'] ) ? (int) $_POST['wpinv_recurring_limit'] : null,
-				'is_free_trial'        => isset( $_POST['wpinv_trial_interval'] ) ? ( 0 != (int) $_POST['wpinv_trial_interval'] ) : null,
-				'trial_period'         => isset( $_POST['wpinv_trial_period'] ) ? wpinv_clean( $_POST['wpinv_trial_period'] ) : null,
-				'trial_interval'       => isset( $_POST['wpinv_trial_interval'] ) ? (int) $_POST['wpinv_trial_interval'] : null,
+				'price'                => isset($_POST['wpinv_item_price']) ? getpaid_standardize_amount($_POST['wpinv_item_price']) : null,
+				'vat_rule'             => isset($_POST['wpinv_vat_rules']) ? wpinv_clean($_POST['wpinv_vat_rules']) : null,
+				'vat_class'            => isset($_POST['wpinv_vat_class']) ? wpinv_clean($_POST['wpinv_vat_class']) : null,
+				'type'                 => isset($_POST['wpinv_item_type']) ? wpinv_clean($_POST['wpinv_item_type']) : null,
+				'is_dynamic_pricing'   => !empty($_POST['wpinv_name_your_price']),
+                'minimum_price'        => isset($_POST['wpinv_minimum_price']) ? getpaid_standardize_amount($_POST['wpinv_minimum_price']) : null,
+				'is_recurring'         => !empty($_POST['wpinv_is_recurring']),
+				'recurring_period'     => isset($_POST['wpinv_recurring_period']) ? wpinv_clean($_POST['wpinv_recurring_period']) : null,
+				'recurring_interval'   => isset($_POST['wpinv_recurring_interval']) ? (int) $_POST['wpinv_recurring_interval'] : 1,
+				'recurring_limit'      => isset($_POST['wpinv_recurring_limit']) ? (int) $_POST['wpinv_recurring_limit'] : null,
+				'is_free_trial'        => isset($_POST['wpinv_trial_interval']) ? (0 != (int) $_POST['wpinv_trial_interval']) : null,
+				'trial_period'         => isset($_POST['wpinv_trial_period']) ? wpinv_clean($_POST['wpinv_trial_period']) : null,
+				'trial_interval'       => isset($_POST['wpinv_trial_interval']) ? (int) $_POST['wpinv_trial_interval'] : null,
 			)
         );
 
 		$item->save();
-		do_action( 'getpaid_item_metabox_save', $post_id, $item );
+		do_action('getpaid_item_metabox_save', $post_id, $item);
 	}
 }

includes/admin/meta-boxes/class-getpaid-meta-box-discount-details.php

Indentation +26 added lines, -26 removed lines

@@ -8,7 +8,7 @@ 
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
-	exit; // Exit if accessed directly
+    exit; // Exit if accessed directly
 }
 
 /**
@@ -17,10 +17,10 @@ 
 class GetPaid_Meta_Box_Discount_Details {
 
     /**
-	 * Output the metabox.
-	 *
-	 * @param WP_Post $post
-	 */
+     * Output the metabox.
+     *
+     * @param WP_Post $post
+     */
     public static function output( $post ) {
 
         // Prepare the discount.
@@ -396,35 +396,35 @@ 
     }
 
     /**
-	 * Save meta box data.
-	 *
-	 * @param int $post_id
-	 */
-	public static function save( $post_id ) {
+     * Save meta box data.
+     *
+     * @param int $post_id
+     */
+    public static function save( $post_id ) {
 
         // Prepare the discount.
         $discount = new WPInv_Discount( $post_id );
 
         // Load new data.
         $discount->set_props(
-			array(
-				'code'                 => isset( $_POST['wpinv_discount_code'] ) ? wpinv_clean( $_POST['wpinv_discount_code'] ) : null,
-				'amount'               => isset( $_POST['wpinv_discount_amount'] ) ? floatval( $_POST['wpinv_discount_amount'] ) : null,
-				'start'                => isset( $_POST['wpinv_discount_start'] ) ? wpinv_clean( $_POST['wpinv_discount_start'] ) : null,
-				'expiration'           => isset( $_POST['wpinv_discount_expiration'] ) ? wpinv_clean( $_POST['wpinv_discount_expiration'] ) : null,
-				'is_single_use'        => ! empty( $_POST['wpinv_discount_single_use'] ),
+            array(
+                'code'                 => isset( $_POST['wpinv_discount_code'] ) ? wpinv_clean( $_POST['wpinv_discount_code'] ) : null,
+                'amount'               => isset( $_POST['wpinv_discount_amount'] ) ? floatval( $_POST['wpinv_discount_amount'] ) : null,
+                'start'                => isset( $_POST['wpinv_discount_start'] ) ? wpinv_clean( $_POST['wpinv_discount_start'] ) : null,
+                'expiration'           => isset( $_POST['wpinv_discount_expiration'] ) ? wpinv_clean( $_POST['wpinv_discount_expiration'] ) : null,
+                'is_single_use'        => ! empty( $_POST['wpinv_discount_single_use'] ),
                 'type'                 => isset( $_POST['wpinv_discount_type'] ) ? wpinv_clean( $_POST['wpinv_discount_type'] ) : null,
-				'is_recurring'         => ! empty( $_POST['wpinv_discount_recurring'] ),
-				'items'                => isset( $_POST['wpinv_discount_items'] ) ? wpinv_clean( $_POST['wpinv_discount_items'] ) : array(),
-				'excluded_items'       => isset( $_POST['wpinv_discount_excluded_items'] ) ? wpinv_clean( $_POST['wpinv_discount_excluded_items'] ) : array(),
+                'is_recurring'         => ! empty( $_POST['wpinv_discount_recurring'] ),
+                'items'                => isset( $_POST['wpinv_discount_items'] ) ? wpinv_clean( $_POST['wpinv_discount_items'] ) : array(),
+                'excluded_items'       => isset( $_POST['wpinv_discount_excluded_items'] ) ? wpinv_clean( $_POST['wpinv_discount_excluded_items'] ) : array(),
                 'required_items'       => isset( $_POST['wpinv_discount_required_items'] ) ? wpinv_clean( $_POST['wpinv_discount_required_items'] ) : array(),
-				'max_uses'             => isset( $_POST['wpinv_discount_max_uses'] ) ? intval( $_POST['wpinv_discount_max_uses'] ) : null,
-				'min_total'            => isset( $_POST['wpinv_discount_min_total'] ) ? floatval( $_POST['wpinv_discount_min_total'] ) : null,
-				'max_total'            => isset( $_POST['wpinv_discount_max_total'] ) ? floatval( $_POST['wpinv_discount_max_total'] ) : null,
-			)
+                'max_uses'             => isset( $_POST['wpinv_discount_max_uses'] ) ? intval( $_POST['wpinv_discount_max_uses'] ) : null,
+                'min_total'            => isset( $_POST['wpinv_discount_min_total'] ) ? floatval( $_POST['wpinv_discount_min_total'] ) : null,
+                'max_total'            => isset( $_POST['wpinv_discount_max_total'] ) ? floatval( $_POST['wpinv_discount_max_total'] ) : null,
+            )
         );
 
-		$discount->save();
-		do_action( 'getpaid_discount_metabox_save', $post_id, $discount );
-	}
+        $discount->save();
+        do_action( 'getpaid_discount_metabox_save', $post_id, $discount );
+    }
 }

Spacing +104 added lines, -104 removed lines

@@ -7,7 +7,7 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 
@@ -21,24 +21,24 @@ 
 	 *
 	 * @param WP_Post $post
 	 */
-    public static function output( $post ) {
+    public static function output($post) {
 
         // Prepare the discount.
-        $discount = new WPInv_Discount( $post );
+        $discount = new WPInv_Discount($post);
 
         // Nonce field.
-        wp_nonce_field( 'getpaid_meta_nonce', 'getpaid_meta_nonce' );
+        wp_nonce_field('getpaid_meta_nonce', 'getpaid_meta_nonce');
 
-        do_action( 'wpinv_discount_form_top', $discount );
+        do_action('wpinv_discount_form_top', $discount);
 
         // Set the currency position.
         $position = wpinv_currency_position();
 
-        if ( $position == 'left_space' ) {
+        if ($position == 'left_space') {
             $position = 'left';
         }
 
-        if ( $position == 'right_space' ) {
+        if ($position == 'right_space') {
             $position = 'right';
         }
 
@@ -52,66 +52,66 @@ 
         </style>
         <div class='bsui' style='max-width: 600px;padding-top: 10px;'>
 
-            <?php do_action( 'wpinv_discount_form_first', $discount ); ?>
+            <?php do_action('wpinv_discount_form_first', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_before_code', $discount ); ?>
+            <?php do_action('wpinv_discount_form_before_code', $discount); ?>
             <div class="form-group row">
                 <label for="wpinv_discount_code" class="col-sm-3 col-form-label">
-                    <?php _e( 'Discount Code', 'invoicing' );?>
+                    <?php _e('Discount Code', 'invoicing'); ?>
                 </label>
                 <div class="col-sm-8">
                     <div class="row">
                         <div class="col-sm-12 form-group">
-                            <input type="text" value="<?php echo esc_attr( $discount->get_code( 'edit' ) ); ?>" placeholder="SUMMER_SALE" name="wpinv_discount_code" id="wpinv_discount_code" style="width: 100%;" />
+                            <input type="text" value="<?php echo esc_attr($discount->get_code('edit')); ?>" placeholder="SUMMER_SALE" name="wpinv_discount_code" id="wpinv_discount_code" style="width: 100%;" />
                         </div>
                         <div class="col-sm-12">
                             <?php
-                                do_action( 'wpinv_discount_form_before_single_use', $discount );
+                                do_action('wpinv_discount_form_before_single_use', $discount);
 
                                 echo aui()->input(
                                     array(
                                         'id'          => 'wpinv_discount_single_use',
                                         'name'        => 'wpinv_discount_single_use',
                                         'type'        => 'checkbox',
-                                        'label'       => __( 'Each customer can only use this discount once', 'invoicing' ),
+                                        'label'       => __('Each customer can only use this discount once', 'invoicing'),
                                         'value'       => '1',
                                         'checked'     => $discount->is_single_use(),
                                     )
                                 );
 
-                                do_action( 'wpinv_discount_form_single_use', $discount );
+                                do_action('wpinv_discount_form_single_use', $discount);
                             ?>
                         </div>
                         <div class="col-sm-12">
                             <?php
-                                do_action( 'wpinv_discount_form_before_recurring', $discount );
+                                do_action('wpinv_discount_form_before_recurring', $discount);
 
                                 echo aui()->input(
                                     array(
                                         'id'          => 'wpinv_discount_recurring',
                                         'name'        => 'wpinv_discount_recurring',
                                         'type'        => 'checkbox',
-                                        'label'       => __( 'Apply this discount to all recurring payments for subscriptions', 'invoicing' ),
+                                        'label'       => __('Apply this discount to all recurring payments for subscriptions', 'invoicing'),
                                         'value'       => '1',
                                         'checked'     => $discount->is_recurring(),
                                     )
                                 );
 
-                                do_action( 'wpinv_discount_form_recurring', $discount );
+                                do_action('wpinv_discount_form_recurring', $discount);
                             ?>
                         </div>
                     </div>
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Enter a discount code such as 10OFF.', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Enter a discount code such as 10OFF.', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_discount_form_code', $discount ); ?>
+            <?php do_action('wpinv_discount_form_code', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_before_type', $discount ); ?>
+            <?php do_action('wpinv_discount_form_before_type', $discount); ?>
             <div class="form-group row">
                 <label for="wpinv_discount_type" class="col-sm-3 col-form-label">
-                    <?php _e( 'Discount Type', 'invoicing' );?>
+                    <?php _e('Discount Type', 'invoicing'); ?>
                 </label>
                 <div class="col-sm-8">
                     <?php
@@ -119,9 +119,9 @@ 
                             array(
                                 'id'               => 'wpinv_discount_type',
                                 'name'             => 'wpinv_discount_type',
-                                'label'            => __( 'Discount Type', 'invoicing' ),
-                                'placeholder'      => __( 'Select Discount Type', 'invoicing' ),
-                                'value'            => $discount->get_type( 'edit' ),
+                                'label'            => __('Discount Type', 'invoicing'),
+                                'placeholder'      => __('Select Discount Type', 'invoicing'),
+                                'value'            => $discount->get_type('edit'),
                                 'select2'          => true,
                                 'data-allow-clear' => 'false',
                                 'options'          => wpinv_get_discount_types()
@@ -130,19 +130,19 @@ 
                     ?>
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Discount type.', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Discount type.', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_discount_form_type', $discount ); ?>
+            <?php do_action('wpinv_discount_form_type', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_before_amount', $discount ); ?>
-            <div class="form-group row <?php echo esc_attr( $discount->get_type( 'edit' ) ); ?>" id="wpinv_discount_amount_wrap">
+            <?php do_action('wpinv_discount_form_before_amount', $discount); ?>
+            <div class="form-group row <?php echo esc_attr($discount->get_type('edit')); ?>" id="wpinv_discount_amount_wrap">
                 <label for="wpinv_discount_amount" class="col-sm-3 col-form-label">
-                    <?php _e( 'Discount Amount', 'invoicing' );?>
+                    <?php _e('Discount Amount', 'invoicing'); ?>
                 </label>
                 <div class="col-sm-8">
                     <div class="input-group input-group-sm">
-                        <?php if( 'left' == $position ) : ?>
+                        <?php if ('left' == $position) : ?>
                             <div class="input-group-prepend left wpinv-if-flat">
                                 <span class="input-group-text">
                                     <?php echo wpinv_currency_symbol(); ?>
@@ -150,9 +150,9 @@ 
                             </div>
                         <?php endif; ?>
 
-                        <input type="text" name="wpinv_discount_amount" id="wpinv_discount_amount" value="<?php echo esc_attr( $discount->get_amount( 'edit' ) ); ?>" placeholder="0" class="form-control">
+                        <input type="text" name="wpinv_discount_amount" id="wpinv_discount_amount" value="<?php echo esc_attr($discount->get_amount('edit')); ?>" placeholder="0" class="form-control">
 
-                        <?php if( 'right' == $position ) : ?>
+                        <?php if ('right' == $position) : ?>
                             <div class="input-group-prepend left wpinv-if-flat">
                                 <span class="input-group-text">
                                     <?php echo wpinv_currency_symbol(); ?>
@@ -165,15 +165,15 @@ 
                     </div>
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Enter the discount value. Ex: 10', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Enter the discount value. Ex: 10', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_discount_form_amount', $discount ); ?>
+            <?php do_action('wpinv_discount_form_amount', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_before_items', $discount ); ?>
+            <?php do_action('wpinv_discount_form_before_items', $discount); ?>
             <div class="form-group row">
                 <label for="wpinv_discount_items" class="col-sm-3 col-form-label">
-                    <?php _e( 'Items', 'invoicing' );?>
+                    <?php _e('Items', 'invoicing'); ?>
                 </label>
                 <div class="col-sm-8">
                     <?php
@@ -181,9 +181,9 @@ 
                             array(
                                 'id'               => 'wpinv_discount_items',
                                 'name'             => 'wpinv_discount_items[]',
-                                'label'            => __( 'Items', 'invoicing' ),
-                                'placeholder'      => __( 'Select Items', 'invoicing' ),
-                                'value'            => $discount->get_items( 'edit' ),
+                                'label'            => __('Items', 'invoicing'),
+                                'placeholder'      => __('Select Items', 'invoicing'),
+                                'value'            => $discount->get_items('edit'),
                                 'select2'          => true,
                                 'multiple'         => true,
                                 'data-allow-clear' => 'false',
@@ -193,15 +193,15 @@ 
                     ?>
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Select the items that are allowed to use this discount or leave blank to use this discount all items.', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Select the items that are allowed to use this discount or leave blank to use this discount all items.', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_discount_form_items', $discount ); ?>
+            <?php do_action('wpinv_discount_form_items', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_before_excluded_items', $discount ); ?>
+            <?php do_action('wpinv_discount_form_before_excluded_items', $discount); ?>
             <div class="form-group row">
                 <label for="wpinv_discount_excluded_items" class="col-sm-3 col-form-label">
-                    <?php _e( 'Excluded Items', 'invoicing' );?>
+                    <?php _e('Excluded Items', 'invoicing'); ?>
                 </label>
                 <div class="col-sm-8">
                     <?php
@@ -209,9 +209,9 @@ 
                             array(
                                 'id'               => 'wpinv_discount_excluded_items',
                                 'name'             => 'wpinv_discount_excluded_items[]',
-                                'label'            => __( 'Excluded Items', 'invoicing' ),
-                                'placeholder'      => __( 'Select Items', 'invoicing' ),
-                                'value'            => $discount->get_excluded_items( 'edit' ),
+                                'label'            => __('Excluded Items', 'invoicing'),
+                                'placeholder'      => __('Select Items', 'invoicing'),
+                                'value'            => $discount->get_excluded_items('edit'),
                                 'select2'          => true,
                                 'multiple'         => true,
                                 'data-allow-clear' => 'false',
@@ -221,15 +221,15 @@ 
                     ?>
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Select all the items that are not allowed to use this discount.', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Select all the items that are not allowed to use this discount.', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_discount_form_excluded_items', $discount ); ?>
+            <?php do_action('wpinv_discount_form_excluded_items', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_before_required_items', $discount ); ?>
+            <?php do_action('wpinv_discount_form_before_required_items', $discount); ?>
             <div class="form-group row">
                 <label for="wpinv_discount_required_items" class="col-sm-3 col-form-label">
-                    <?php _e( 'Required Items', 'invoicing' );?>
+                    <?php _e('Required Items', 'invoicing'); ?>
                 </label>
                 <div class="col-sm-8">
                     <?php
@@ -237,9 +237,9 @@ 
                             array(
                                 'id'               => 'wpinv_discount_required_items',
                                 'name'             => 'wpinv_discount_required_items[]',
-                                'label'            => __( 'Required Items', 'invoicing' ),
-                                'placeholder'      => __( 'Select Items', 'invoicing' ),
-                                'value'            => $discount->get_required_items( 'edit' ),
+                                'label'            => __('Required Items', 'invoicing'),
+                                'placeholder'      => __('Select Items', 'invoicing'),
+                                'value'            => $discount->get_required_items('edit'),
                                 'select2'          => true,
                                 'multiple'         => true,
                                 'data-allow-clear' => 'false',
@@ -249,15 +249,15 @@ 
                     ?>
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Select all the items that are required to be in the cart before using this discount.', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Select all the items that are required to be in the cart before using this discount.', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_discount_form_required_items', $discount ); ?>
+            <?php do_action('wpinv_discount_form_required_items', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_before_start', $discount ); ?>
+            <?php do_action('wpinv_discount_form_before_start', $discount); ?>
             <div class="form-group row">
                 <label for="wpinv_discount_start" class="col-sm-3 col-form-label">
-                    <?php _e( 'Start Date', 'invoicing' );?>
+                    <?php _e('Start Date', 'invoicing'); ?>
                 </label>
                 <div class="col-sm-8">
                     <?php
@@ -266,10 +266,10 @@ 
                                 'type'        => 'datepicker',
                                 'id'          => 'wpinv_discount_start',
                                 'name'        => 'wpinv_discount_start',
-                                'label'       => __( 'Start Date', 'invoicing' ),
+                                'label'       => __('Start Date', 'invoicing'),
                                 'placeholder' => 'YYYY-MM-DD 00:00',
                                 'class'       => 'form-control-sm',
-                                'value'       => $discount->get_start_date( 'edit' ),
+                                'value'       => $discount->get_start_date('edit'),
                                 'extra_attributes' => array(
                                     'data-enable-time' => 'true',
                                     'data-time_24hr'   => 'true',
@@ -280,15 +280,15 @@ 
                     ?>
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'For no start date, leave blank. If entered, the discount can only be used after or on this date.', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('For no start date, leave blank. If entered, the discount can only be used after or on this date.', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_discount_form_start', $discount ); ?>
+            <?php do_action('wpinv_discount_form_start', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_before_expiration', $discount ); ?>
+            <?php do_action('wpinv_discount_form_before_expiration', $discount); ?>
             <div class="form-group row">
                 <label for="wpinv_discount_expiration" class="col-sm-3 col-form-label">
-                    <?php _e( 'Expiration Date', 'invoicing' );?>
+                    <?php _e('Expiration Date', 'invoicing'); ?>
                 </label>
                 <div class="col-sm-8">
                     <?php
@@ -297,10 +297,10 @@ 
                                 'type'        => 'datepicker',
                                 'id'          => 'wpinv_discount_expiration',
                                 'name'        => 'wpinv_discount_expiration',
-                                'label'       => __( 'Expiration Date', 'invoicing' ),
+                                'label'       => __('Expiration Date', 'invoicing'),
                                 'placeholder' => 'YYYY-MM-DD 00:00',
                                 'class'       => 'form-control-sm',
-                                'value'       => $discount->get_end_date( 'edit' ),
+                                'value'       => $discount->get_end_date('edit'),
                                 'extra_attributes' => array(
                                     'data-enable-time' => 'true',
                                     'data-time_24hr'   => 'true',
@@ -313,27 +313,27 @@ 
                     ?>
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Optionally set the date after which the discount will expire.', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Optionally set the date after which the discount will expire.', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_discount_form_expiration', $discount ); ?>
+            <?php do_action('wpinv_discount_form_expiration', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_before_min_total', $discount ); ?>
+            <?php do_action('wpinv_discount_form_before_min_total', $discount); ?>
             <div class="form-group row">
                 <label for="wpinv_discount_min_total" class="col-sm-3 col-form-label">
-                    <?php _e( 'Minimum Amount', 'invoicing' );?>
+                    <?php _e('Minimum Amount', 'invoicing'); ?>
                 </label>
                 <div class="col-sm-8">
                     <div class="input-group input-group-sm">
-                        <?php if( 'left' == $position ) : ?>
+                        <?php if ('left' == $position) : ?>
                             <div class="input-group-prepend">
                                 <span class="input-group-text"><?php echo wpinv_currency_symbol(); ?></span>
                             </div>
                         <?php endif; ?>
 
-                        <input type="text" name="wpinv_discount_min_total" id="wpinv_discount_min_total" value="<?php echo esc_attr( $discount->get_minimum_total( 'edit' ) ); ?>" placeholder="<?php esc_attr_e( 'No minimum', 'invoicing' ); ?>" class="form-control">
+                        <input type="text" name="wpinv_discount_min_total" id="wpinv_discount_min_total" value="<?php echo esc_attr($discount->get_minimum_total('edit')); ?>" placeholder="<?php esc_attr_e('No minimum', 'invoicing'); ?>" class="form-control">
 
-                        <?php if( 'left' != $position ) : ?>
+                        <?php if ('left' != $position) : ?>
                             <div class="input-group-append">
                                 <span class="input-group-text"><?php echo wpinv_currency_symbol(); ?></span>
                             </div>
@@ -341,27 +341,27 @@ 
                     </div>
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Optionally set the minimum amount (including taxes) required to use this discount.', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Optionally set the minimum amount (including taxes) required to use this discount.', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_discount_form_min_total', $discount ); ?>
+            <?php do_action('wpinv_discount_form_min_total', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_before_max_total', $discount ); ?>
+            <?php do_action('wpinv_discount_form_before_max_total', $discount); ?>
             <div class="form-group row">
                 <label for="wpinv_discount_max_total" class="col-sm-3 col-form-label">
-                    <?php _e( 'Maximum Amount', 'invoicing' );?>
+                    <?php _e('Maximum Amount', 'invoicing'); ?>
                 </label>
                 <div class="col-sm-8">
                     <div class="input-group input-group-sm">
-                        <?php if( 'left' == $position ) : ?>
+                        <?php if ('left' == $position) : ?>
                             <div class="input-group-prepend">
                                 <span class="input-group-text"><?php echo wpinv_currency_symbol(); ?></span>
                             </div>
                         <?php endif; ?>
 
-                        <input type="text" name="wpinv_discount_max_total" id="wpinv_discount_max_total" value="<?php echo esc_attr( $discount->get_maximum_total( 'edit' ) ); ?>" placeholder="<?php esc_attr_e( 'No maximum', 'invoicing' ); ?>" class="form-control">
+                        <input type="text" name="wpinv_discount_max_total" id="wpinv_discount_max_total" value="<?php echo esc_attr($discount->get_maximum_total('edit')); ?>" placeholder="<?php esc_attr_e('No maximum', 'invoicing'); ?>" class="form-control">
 
-                        <?php if( 'left' != $position ) : ?>
+                        <?php if ('left' != $position) : ?>
                             <div class="input-group-append">
                                 <span class="input-group-text"><?php echo wpinv_currency_symbol(); ?></span>
                             </div>
@@ -369,30 +369,30 @@ 
                     </div>
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Optionally set the maximum amount (including taxes) allowed when using this discount.', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Optionally set the maximum amount (including taxes) allowed when using this discount.', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_discount_form_before_max_total', $discount ); ?>
+            <?php do_action('wpinv_discount_form_before_max_total', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_before_max_uses', $discount ); ?>
+            <?php do_action('wpinv_discount_form_before_max_uses', $discount); ?>
             <div class="form-group row">
                 <label for="wpinv_discount_max_uses" class="col-sm-3 col-form-label">
-                    <?php _e( 'Maximum Uses', 'invoicing' );?>
+                    <?php _e('Maximum Uses', 'invoicing'); ?>
                 </label>
                 <div class="col-sm-8">
-                    <input type="text" value="<?php echo esc_attr( $discount->get_max_uses( 'edit' ) ); ?>" placeholder="<?php esc_attr_e( 'Unlimited', 'invoicing' ); ?>" name="wpinv_discount_max_uses" id="wpinv_discount_max_uses" style="width: 100%;" />
+                    <input type="text" value="<?php echo esc_attr($discount->get_max_uses('edit')); ?>" placeholder="<?php esc_attr_e('Unlimited', 'invoicing'); ?>" name="wpinv_discount_max_uses" id="wpinv_discount_max_uses" style="width: 100%;" />
                 </div>
                 <div class="col-sm-1 pt-2 pl-0">
-                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e( 'Optionally set the maximum number of times that this discount code can be used.', 'invoicing' ); ?>"></span>
+                    <span class="wpi-help-tip dashicons dashicons-editor-help" title="<?php esc_attr_e('Optionally set the maximum number of times that this discount code can be used.', 'invoicing'); ?>"></span>
                 </div>
             </div>
-            <?php do_action( 'wpinv_discount_form_max_uses', $discount ); ?>
+            <?php do_action('wpinv_discount_form_max_uses', $discount); ?>
 
-            <?php do_action( 'wpinv_discount_form_last', $discount ); ?>
+            <?php do_action('wpinv_discount_form_last', $discount); ?>
 
         </div>
         <?php
-        do_action( 'wpinv_discount_form_bottom', $post );
+        do_action('wpinv_discount_form_bottom', $post);
     }
 
     /**
@@ -400,31 +400,31 @@ 
 	 *
 	 * @param int $post_id
 	 */
-	public static function save( $post_id ) {
+	public static function save($post_id) {
 
         // Prepare the discount.
-        $discount = new WPInv_Discount( $post_id );
+        $discount = new WPInv_Discount($post_id);
 
         // Load new data.
         $discount->set_props(
 			array(
-				'code'                 => isset( $_POST['wpinv_discount_code'] ) ? wpinv_clean( $_POST['wpinv_discount_code'] ) : null,
-				'amount'               => isset( $_POST['wpinv_discount_amount'] ) ? floatval( $_POST['wpinv_discount_amount'] ) : null,
-				'start'                => isset( $_POST['wpinv_discount_start'] ) ? wpinv_clean( $_POST['wpinv_discount_start'] ) : null,
-				'expiration'           => isset( $_POST['wpinv_discount_expiration'] ) ? wpinv_clean( $_POST['wpinv_discount_expiration'] ) : null,
-				'is_single_use'        => ! empty( $_POST['wpinv_discount_single_use'] ),
-                'type'                 => isset( $_POST['wpinv_discount_type'] ) ? wpinv_clean( $_POST['wpinv_discount_type'] ) : null,
-				'is_recurring'         => ! empty( $_POST['wpinv_discount_recurring'] ),
-				'items'                => isset( $_POST['wpinv_discount_items'] ) ? wpinv_clean( $_POST['wpinv_discount_items'] ) : array(),
-				'excluded_items'       => isset( $_POST['wpinv_discount_excluded_items'] ) ? wpinv_clean( $_POST['wpinv_discount_excluded_items'] ) : array(),
-                'required_items'       => isset( $_POST['wpinv_discount_required_items'] ) ? wpinv_clean( $_POST['wpinv_discount_required_items'] ) : array(),
-				'max_uses'             => isset( $_POST['wpinv_discount_max_uses'] ) ? intval( $_POST['wpinv_discount_max_uses'] ) : null,
-				'min_total'            => isset( $_POST['wpinv_discount_min_total'] ) ? floatval( $_POST['wpinv_discount_min_total'] ) : null,
-				'max_total'            => isset( $_POST['wpinv_discount_max_total'] ) ? floatval( $_POST['wpinv_discount_max_total'] ) : null,
+				'code'                 => isset($_POST['wpinv_discount_code']) ? wpinv_clean($_POST['wpinv_discount_code']) : null,
+				'amount'               => isset($_POST['wpinv_discount_amount']) ? floatval($_POST['wpinv_discount_amount']) : null,
+				'start'                => isset($_POST['wpinv_discount_start']) ? wpinv_clean($_POST['wpinv_discount_start']) : null,
+				'expiration'           => isset($_POST['wpinv_discount_expiration']) ? wpinv_clean($_POST['wpinv_discount_expiration']) : null,
+				'is_single_use'        => !empty($_POST['wpinv_discount_single_use']),
+                'type'                 => isset($_POST['wpinv_discount_type']) ? wpinv_clean($_POST['wpinv_discount_type']) : null,
+				'is_recurring'         => !empty($_POST['wpinv_discount_recurring']),
+				'items'                => isset($_POST['wpinv_discount_items']) ? wpinv_clean($_POST['wpinv_discount_items']) : array(),
+				'excluded_items'       => isset($_POST['wpinv_discount_excluded_items']) ? wpinv_clean($_POST['wpinv_discount_excluded_items']) : array(),
+                'required_items'       => isset($_POST['wpinv_discount_required_items']) ? wpinv_clean($_POST['wpinv_discount_required_items']) : array(),
+				'max_uses'             => isset($_POST['wpinv_discount_max_uses']) ? intval($_POST['wpinv_discount_max_uses']) : null,
+				'min_total'            => isset($_POST['wpinv_discount_min_total']) ? floatval($_POST['wpinv_discount_min_total']) : null,
+				'max_total'            => isset($_POST['wpinv_discount_max_total']) ? floatval($_POST['wpinv_discount_max_total']) : null,
 			)
         );
 
 		$discount->save();
-		do_action( 'getpaid_discount_metabox_save', $post_id, $discount );
+		do_action('getpaid_discount_metabox_save', $post_id, $discount);
 	}
 }

includes/admin/meta-boxes/class-getpaid-meta-box-invoice-address.php

Indentation +14 added lines, -14 removed lines

@@ -8,7 +8,7 @@ 
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
-	exit; // Exit if accessed directly
+    exit; // Exit if accessed directly
 }
 
 /**
@@ -17,10 +17,10 @@ 
 class GetPaid_Meta_Box_Invoice_Address {
 
     /**
-	 * Output the metabox.
-	 *
-	 * @param WP_Post $post
-	 */
+     * Output the metabox.
+     *
+     * @param WP_Post $post
+     */
     public static function output( $post ) {
 
         // Prepare the invoice.
@@ -366,18 +366,18 @@ 
     }
 
     /**
-	 * Save meta box data.
-	 *
-	 * @param int $post_id
-	 */
-	public static function save( $post_id ) {
+     * Save meta box data.
+     *
+     * @param int $post_id
+     */
+    public static function save( $post_id ) {
 
         // Prepare the invoice.
         $invoice = new WPInv_Invoice( $post_id );
 
         // Load new data.
         $invoice->set_props(
-			array(
+            array(
                 'template'             => isset( $_POST['wpinv_template'] ) ? wpinv_clean( $_POST['wpinv_template'] ) : null,
                 'email_cc'             => isset( $_POST['wpinv_cc'] ) ? wpinv_clean( $_POST['wpinv_cc'] ) : null,
                 'disable_taxes'        => ! empty( $_POST['disable_taxes'] ),
@@ -400,7 +400,7 @@ 
                 'due_date'             => isset( $_POST['wpinv_due_date'] ) ? wpinv_clean( $_POST['wpinv_due_date'] ) : null,
                 'number'               => isset( $_POST['wpinv_number'] ) ? wpinv_clean( $_POST['wpinv_number'] ) : null,
                 'status'               => isset( $_POST['wpinv_status'] ) ? wpinv_clean( $_POST['wpinv_status'] ) : null,
-			)
+            )
         );
 
         // Discount code.
@@ -465,6 +465,6 @@ 
         }
 
         // Fires after an invoice is saved.
-		do_action( 'wpinv_invoice_metabox_saved', $invoice );
-	}
+        do_action( 'wpinv_invoice_metabox_saved', $invoice );
+    }
 }

Spacing +97 added lines, -97 removed lines

@@ -7,7 +7,7 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 
@@ -21,14 +21,14 @@ 
 	 *
 	 * @param WP_Post $post
 	 */
-    public static function output( $post ) {
+    public static function output($post) {
 
         // Prepare the invoice.
-        $invoice  = new WPInv_Invoice( $post );
-        $customer = $invoice->exists() ? $invoice->get_user_id( 'edit' ) : get_current_user_id();
-        $customer = new WP_User( $customer );
-        $display  = sprintf( _x( '%1$s (%2$s)', 'user dropdown', 'invoicing' ), $customer->display_name, $customer->user_email );
-        wp_nonce_field( 'getpaid_meta_nonce', 'getpaid_meta_nonce' );
+        $invoice  = new WPInv_Invoice($post);
+        $customer = $invoice->exists() ? $invoice->get_user_id('edit') : get_current_user_id();
+        $customer = new WP_User($customer);
+        $display  = sprintf(_x('%1$s (%2$s)', 'user dropdown', 'invoicing'), $customer->display_name, $customer->user_email);
+        wp_nonce_field('getpaid_meta_nonce', 'getpaid_meta_nonce');
 
         ?>
 
@@ -43,11 +43,11 @@ 
                         <div class="col-12 col-sm-6">
                             <div id="getpaid-invoice-user-id-wrapper" class="form-group">
                                 <div>
-                                    <label for="post_author_override"><?php _e( 'Customer', 'invoicing' );?></label>
+                                    <label for="post_author_override"><?php _e('Customer', 'invoicing'); ?></label>
                                 </div>
                                 <div>
-                                    <select name="post_author_override" id="wpinv_post_author_override" class="getpaid-customer-search form-control regular-text" data-placeholder="<?php esc_attr_e( 'Search for a customer by email or name', 'invoicing' ); ?>">
-                                        <option selected="selected" value="<?php echo (int) $customer->ID; ?>"><?php echo esc_html( $display ); ?> </option>)
+                                    <select name="post_author_override" id="wpinv_post_author_override" class="getpaid-customer-search form-control regular-text" data-placeholder="<?php esc_attr_e('Search for a customer by email or name', 'invoicing'); ?>">
+                                        <option selected="selected" value="<?php echo (int) $customer->ID; ?>"><?php echo esc_html($display); ?> </option>)
                                     </select>
                                 </div>
                             </div>
@@ -60,7 +60,7 @@ 
                                             'type'        => 'text',
                                             'id'          => 'getpaid-invoice-new-user-email',
                                             'name'        => 'wpinv_email',
-                                            'label'       => __( 'Email', 'invoicing' ) . '<span class="required">*</span>',
+                                            'label'       => __('Email', 'invoicing') . '<span class="required">*</span>',
                                             'label_type'  => 'vertical',
                                             'placeholder' => 'john@doe.com',
                                             'class'       => 'form-control-sm',
@@ -70,18 +70,18 @@ 
                             </div>
                         </div>
                         <div class="col-12 col-sm-6 form-group mt-sm-4">
-                            <?php if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) : ?>
+                            <?php if (!$invoice->is_paid() && !$invoice->is_refunded()) : ?>
                                 <a id="getpaid-invoice-fill-user-details" class="button button-small button-secondary" href="javascript:void(0)">
                                     <i aria-hidden="true" class="fa fa-refresh"></i>
-                                    <?php _e( 'Fill User Details', 'invoicing' );?>
+                                    <?php _e('Fill User Details', 'invoicing'); ?>
                                 </a>
                                 <a id="getpaid-invoice-create-new-user-button" class="button button-small button-secondary" href="javascript:void(0)">
                                     <i aria-hidden="true" class="fa fa-plus"></i>
-                                    <?php _e( 'Add New User', 'invoicing' );?>
+                                    <?php _e('Add New User', 'invoicing'); ?>
                                 </a>
                                 <a id="getpaid-invoice-cancel-create-new-user" class="button button-small button-secondary d-none" href="javascript:void(0)">
                                     <i aria-hidden="true" class="fa fa-close"></i>
-                                    <?php _e( 'Cancel', 'invoicing' );?>
+                                    <?php _e('Cancel', 'invoicing'); ?>
                                 </a>
                             <?php endif; ?>
                         </div>
@@ -94,11 +94,11 @@ 
                                         'type'        => 'text',
                                         'id'          => 'wpinv_first_name',
                                         'name'        => 'wpinv_first_name',
-                                        'label'       => __( 'First Name', 'invoicing' ),
+                                        'label'       => __('First Name', 'invoicing'),
                                         'label_type'  => 'vertical',
                                         'placeholder' => '',
                                         'class'       => 'form-control-sm',
-                                        'value'       => $invoice->get_first_name( 'edit' ),
+                                        'value'       => $invoice->get_first_name('edit'),
                                     )
                                 );
                             ?>
@@ -110,11 +110,11 @@ 
                                         'type'        => 'text',
                                         'id'          => 'wpinv_last_name',
                                         'name'        => 'wpinv_last_name',
-                                        'label'       => __( 'Last Name', 'invoicing' ),
+                                        'label'       => __('Last Name', 'invoicing'),
                                         'label_type'  => 'vertical',
                                         'placeholder' => '',
                                         'class'       => 'form-control-sm',
-                                        'value'       => $invoice->get_last_name( 'edit' ),
+                                        'value'       => $invoice->get_last_name('edit'),
                                     )
                                 );
                             ?>
@@ -129,11 +129,11 @@ 
                                         'type'        => 'text',
                                         'id'          => 'wpinv_company',
                                         'name'        => 'wpinv_company',
-                                        'label'       => __( 'Company', 'invoicing' ),
+                                        'label'       => __('Company', 'invoicing'),
                                         'label_type'  => 'vertical',
                                         'placeholder' => '',
                                         'class'       => 'form-control-sm',
-                                        'value'       => $invoice->get_company( 'edit' ),
+                                        'value'       => $invoice->get_company('edit'),
                                     )
                                 );
                             ?>
@@ -145,11 +145,11 @@ 
                                         'type'        => 'text',
                                         'id'          => 'wpinv_vat_number',
                                         'name'        => 'wpinv_vat_number',
-                                        'label'       => __( 'Vat Number', 'invoicing' ),
+                                        'label'       => __('Vat Number', 'invoicing'),
                                         'label_type'  => 'vertical',
                                         'placeholder' => '',
                                         'class'       => 'form-control-sm getpaid-recalculate-prices-on-change',
-                                        'value'       => $invoice->get_vat_number( 'edit' ),
+                                        'value'       => $invoice->get_vat_number('edit'),
                                     )
                                 );
                             ?>
@@ -164,11 +164,11 @@ 
                                         'type'        => 'text',
                                         'id'          => 'wpinv_address',
                                         'name'        => 'wpinv_address',
-                                        'label'       => __( 'Address', 'invoicing' ),
+                                        'label'       => __('Address', 'invoicing'),
                                         'label_type'  => 'vertical',
                                         'placeholder' => '',
                                         'class'       => 'form-control-sm',
-                                        'value'       => $invoice->get_address( 'edit' ),
+                                        'value'       => $invoice->get_address('edit'),
                                     )
                                 );
                             ?>
@@ -180,11 +180,11 @@ 
                                         'type'        => 'text',
                                         'id'          => 'wpinv_city',
                                         'name'        => 'wpinv_city',
-                                        'label'       => __( 'City', 'invoicing' ),
+                                        'label'       => __('City', 'invoicing'),
                                         'label_type'  => 'vertical',
                                         'placeholder' => '',
                                         'class'       => 'form-control-sm',
-                                        'value'       => $invoice->get_city( 'edit' ),
+                                        'value'       => $invoice->get_city('edit'),
                                     )
                                 );
                             ?>
@@ -198,11 +198,11 @@ 
                                     array(
                                         'id'          => 'wpinv_country',
                                         'name'        => 'wpinv_country',
-                                        'label'       => __( 'Country', 'invoicing' ),
+                                        'label'       => __('Country', 'invoicing'),
                                         'label_type'  => 'vertical',
-                                        'placeholder' => __( 'Choose a country', 'invoicing' ),
+                                        'placeholder' => __('Choose a country', 'invoicing'),
                                         'class'       => 'form-control-sm getpaid-recalculate-prices-on-change',
-                                        'value'       => $invoice->get_country( 'edit' ),
+                                        'value'       => $invoice->get_country('edit'),
                                         'options'     => wpinv_get_country_list(),
                                         'data-allow-clear' => 'false',
                                         'select2'          => true,
@@ -213,20 +213,20 @@ 
                         <div class="col-12 col-sm-6">
                             <?php
 
-                                $states = wpinv_get_country_states( $invoice->get_country( 'edit' ) );
+                                $states = wpinv_get_country_states($invoice->get_country('edit'));
 
-                                if ( empty( $states ) ) {
+                                if (empty($states)) {
 
                                     echo aui()->input(
                                         array(
                                             'type'        => 'text',
                                             'id'          => 'wpinv_state',
                                             'name'        => 'wpinv_state',
-                                            'label'       => __( 'State', 'invoicing' ),
+                                            'label'       => __('State', 'invoicing'),
                                             'label_type'  => 'vertical',
                                             'placeholder' => '',
                                             'class'       => 'form-control-sm',
-                                            'value'       => $invoice->get_state( 'edit' ),
+                                            'value'       => $invoice->get_state('edit'),
                                         )
                                     );
 
@@ -236,11 +236,11 @@ 
                                         array(
                                             'id'          => 'wpinv_state',
                                             'name'        => 'wpinv_state',
-                                            'label'       => __( 'State', 'invoicing' ),
+                                            'label'       => __('State', 'invoicing'),
                                             'label_type'  => 'vertical',
-                                            'placeholder' => __( 'Select a state', 'invoicing' ),
+                                            'placeholder' => __('Select a state', 'invoicing'),
                                             'class'       => 'form-control-sm',
-                                            'value'       => $invoice->get_state( 'edit' ),
+                                            'value'       => $invoice->get_state('edit'),
                                             'options'     => $states,
                                             'data-allow-clear' => 'false',
                                             'select2'          => true,
@@ -261,11 +261,11 @@ 
                                         'type'        => 'text',
                                         'id'          => 'wpinv_zip',
                                         'name'        => 'wpinv_zip',
-                                        'label'       => __( 'Zip / Postal Code', 'invoicing' ),
+                                        'label'       => __('Zip / Postal Code', 'invoicing'),
                                         'label_type'  => 'vertical',
                                         'placeholder' => '',
                                         'class'       => 'form-control-sm',
-                                        'value'       => $invoice->get_zip( 'edit' ),
+                                        'value'       => $invoice->get_zip('edit'),
                                     )
                                 );
                             ?>
@@ -277,19 +277,19 @@ 
                                         'type'        => 'text',
                                         'id'          => 'wpinv_phone',
                                         'name'        => 'wpinv_phone',
-                                        'label'       => __( 'Phone', 'invoicing' ),
+                                        'label'       => __('Phone', 'invoicing'),
                                         'label_type'  => 'vertical',
                                         'placeholder' => '',
                                         'class'       => 'form-control-sm',
-                                        'value'       => $invoice->get_phone( 'edit' ),
+                                        'value'       => $invoice->get_phone('edit'),
                                     )
                                 );
                             ?>
                         </div>
                     </div>
 
-                    <?php if ( ! apply_filters( 'getpaid_use_new_invoice_items_metabox', false ) ) : ?>
-                        <?php do_action( 'wpinv_meta_box_before_invoice_template_row', $invoice->get_id() ); ?>
+                    <?php if (!apply_filters('getpaid_use_new_invoice_items_metabox', false)) : ?>
+                        <?php do_action('wpinv_meta_box_before_invoice_template_row', $invoice->get_id()); ?>
 
                         <div class="row">
                             <div class="col-12 col-sm-6">
@@ -298,14 +298,14 @@ 
                                         array(
                                             'id'          => 'wpinv_template',
                                             'name'        => 'wpinv_template',
-                                            'label'       => __( 'Template', 'invoicing' ),
+                                            'label'       => __('Template', 'invoicing'),
                                             'label_type'  => 'vertical',
-                                            'placeholder' => __( 'Choose a template', 'invoicing' ),
+                                            'placeholder' => __('Choose a template', 'invoicing'),
                                             'class'       => 'form-control-sm',
-                                            'value'       => $invoice->get_template( 'edit' ),
+                                            'value'       => $invoice->get_template('edit'),
                                             'options'     => array(
-                                                'quantity' => __( 'Quantity', 'invoicing' ),
-                                                'hours'    => __( 'Hours', 'invoicing' ),
+                                                'quantity' => __('Quantity', 'invoicing'),
+                                                'hours'    => __('Hours', 'invoicing'),
                                                 //'amount'   => __( 'Amount Only', 'invoicing' ),
                                             ),
                                             'data-allow-clear' => 'false',
@@ -322,11 +322,11 @@ 
                                         array(
                                             'id'          => 'wpinv_currency',
                                             'name'        => 'wpinv_currency',
-                                            'label'       => __( 'Currency', 'invoicing' ),
+                                            'label'       => __('Currency', 'invoicing'),
                                             'label_type'  => 'vertical',
-                                            'placeholder' => __( 'Select Invoice Currency', 'invoicing' ),
+                                            'placeholder' => __('Select Invoice Currency', 'invoicing'),
                                             'class'       => 'form-control-sm getpaid-recalculate-prices-on-change',
-                                            'value'       => $invoice->get_currency( 'edit' ),
+                                            'value'       => $invoice->get_currency('edit'),
                                             'required'    => false,
                                             'data-allow-clear' => 'false',
                                             'select2'          => true,
@@ -338,7 +338,7 @@ 
                             </div>
                         </div>
 
-                        <?php do_action( 'wpinv_meta_box_invoice_template_row', $invoice->get_id() ); ?>
+                        <?php do_action('wpinv_meta_box_invoice_template_row', $invoice->get_id()); ?>
                     <?php endif; ?>
 
                     <div class="row">
@@ -349,18 +349,18 @@ 
                                         'type'        => 'text',
                                         'id'          => 'wpinv_company_id',
                                         'name'        => 'wpinv_company_id',
-                                        'label'       => __( 'Company ID', 'invoicing' ),
+                                        'label'       => __('Company ID', 'invoicing'),
                                         'label_type'  => 'vertical',
                                         'placeholder' => '',
                                         'class'       => 'form-control-sm',
-                                        'value'       => $invoice->get_company_id( 'edit' ),
+                                        'value'       => $invoice->get_company_id('edit'),
                                     )
                                 );
                             ?>
                         </div>
                     </div>
 
-                    <?php do_action( 'getpaid_after_metabox_invoice_address', $invoice ); ?>
+                    <?php do_action('getpaid_after_metabox_invoice_address', $invoice); ?>
             </div>
         <?php
     }
@@ -370,51 +370,51 @@ 
 	 *
 	 * @param int $post_id
 	 */
-	public static function save( $post_id ) {
+	public static function save($post_id) {
 
         // Prepare the invoice.
-        $invoice = new WPInv_Invoice( $post_id );
+        $invoice = new WPInv_Invoice($post_id);
 
         // Load new data.
         $invoice->set_props(
 			array(
-                'template'             => isset( $_POST['wpinv_template'] ) ? wpinv_clean( $_POST['wpinv_template'] ) : null,
-                'email_cc'             => isset( $_POST['wpinv_cc'] ) ? wpinv_clean( $_POST['wpinv_cc'] ) : null,
-                'disable_taxes'        => ! empty( $_POST['disable_taxes'] ),
-                'currency'             => isset( $_POST['wpinv_currency'] ) ? wpinv_clean( $_POST['wpinv_currency'] ) : null,
-                'gateway'              => ( $invoice->needs_payment() && isset( $_POST['wpinv_gateway'] ) ) ? wpinv_clean( $_POST['wpinv_gateway'] ) : null,
-                'address'              => isset( $_POST['wpinv_address'] ) ? wpinv_clean( $_POST['wpinv_address'] ) : null,
-                'vat_number'           => isset( $_POST['wpinv_vat_number'] ) ? wpinv_clean( $_POST['wpinv_vat_number'] ) : null,
-                'company'              => isset( $_POST['wpinv_company'] ) ? wpinv_clean( $_POST['wpinv_company'] ) : null,
-                'company_id'           => isset( $_POST['wpinv_company_id'] ) ? wpinv_clean( $_POST['wpinv_company_id'] ) : null,
-                'zip'                  => isset( $_POST['wpinv_zip'] ) ? wpinv_clean( $_POST['wpinv_zip'] ) : null,
-                'state'                => isset( $_POST['wpinv_state'] ) ? wpinv_clean( $_POST['wpinv_state'] ) : null,
-                'city'                 => isset( $_POST['wpinv_city'] ) ? wpinv_clean( $_POST['wpinv_city'] ) : null,
-                'country'              => isset( $_POST['wpinv_country'] ) ? wpinv_clean( $_POST['wpinv_country'] ) : null,
-                'phone'                => isset( $_POST['wpinv_phone'] ) ? wpinv_clean( $_POST['wpinv_phone'] ) : null,
-                'first_name'           => isset( $_POST['wpinv_first_name'] ) ? wpinv_clean( $_POST['wpinv_first_name'] ) : null,
-                'last_name'            => isset( $_POST['wpinv_last_name'] ) ? wpinv_clean( $_POST['wpinv_last_name'] ) : null,
-                'author'               => isset( $_POST['post_author_override'] ) ? wpinv_clean( $_POST['post_author_override'] ) : null,
-                'date_created'         => isset( $_POST['date_created'] ) ? wpinv_clean( $_POST['date_created'] ) : null,
-                'date_completed'       => isset( $_POST['wpinv_date_completed'] ) ? wpinv_clean( $_POST['wpinv_date_completed'] ) : null,
-                'due_date'             => isset( $_POST['wpinv_due_date'] ) ? wpinv_clean( $_POST['wpinv_due_date'] ) : null,
-                'number'               => isset( $_POST['wpinv_number'] ) ? wpinv_clean( $_POST['wpinv_number'] ) : null,
-                'status'               => isset( $_POST['wpinv_status'] ) ? wpinv_clean( $_POST['wpinv_status'] ) : null,
+                'template'             => isset($_POST['wpinv_template']) ? wpinv_clean($_POST['wpinv_template']) : null,
+                'email_cc'             => isset($_POST['wpinv_cc']) ? wpinv_clean($_POST['wpinv_cc']) : null,
+                'disable_taxes'        => !empty($_POST['disable_taxes']),
+                'currency'             => isset($_POST['wpinv_currency']) ? wpinv_clean($_POST['wpinv_currency']) : null,
+                'gateway'              => ($invoice->needs_payment() && isset($_POST['wpinv_gateway'])) ? wpinv_clean($_POST['wpinv_gateway']) : null,
+                'address'              => isset($_POST['wpinv_address']) ? wpinv_clean($_POST['wpinv_address']) : null,
+                'vat_number'           => isset($_POST['wpinv_vat_number']) ? wpinv_clean($_POST['wpinv_vat_number']) : null,
+                'company'              => isset($_POST['wpinv_company']) ? wpinv_clean($_POST['wpinv_company']) : null,
+                'company_id'           => isset($_POST['wpinv_company_id']) ? wpinv_clean($_POST['wpinv_company_id']) : null,
+                'zip'                  => isset($_POST['wpinv_zip']) ? wpinv_clean($_POST['wpinv_zip']) : null,
+                'state'                => isset($_POST['wpinv_state']) ? wpinv_clean($_POST['wpinv_state']) : null,
+                'city'                 => isset($_POST['wpinv_city']) ? wpinv_clean($_POST['wpinv_city']) : null,
+                'country'              => isset($_POST['wpinv_country']) ? wpinv_clean($_POST['wpinv_country']) : null,
+                'phone'                => isset($_POST['wpinv_phone']) ? wpinv_clean($_POST['wpinv_phone']) : null,
+                'first_name'           => isset($_POST['wpinv_first_name']) ? wpinv_clean($_POST['wpinv_first_name']) : null,
+                'last_name'            => isset($_POST['wpinv_last_name']) ? wpinv_clean($_POST['wpinv_last_name']) : null,
+                'author'               => isset($_POST['post_author_override']) ? wpinv_clean($_POST['post_author_override']) : null,
+                'date_created'         => isset($_POST['date_created']) ? wpinv_clean($_POST['date_created']) : null,
+                'date_completed'       => isset($_POST['wpinv_date_completed']) ? wpinv_clean($_POST['wpinv_date_completed']) : null,
+                'due_date'             => isset($_POST['wpinv_due_date']) ? wpinv_clean($_POST['wpinv_due_date']) : null,
+                'number'               => isset($_POST['wpinv_number']) ? wpinv_clean($_POST['wpinv_number']) : null,
+                'status'               => isset($_POST['wpinv_status']) ? wpinv_clean($_POST['wpinv_status']) : null,
 			)
         );
 
         // Discount code.
-        if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) {
+        if (!$invoice->is_paid() && !$invoice->is_refunded()) {
 
-            if ( isset( $_POST['wpinv_discount_code'] ) ) {
-                $invoice->set_discount_code( wpinv_clean( $_POST['wpinv_discount_code'] ) );
+            if (isset($_POST['wpinv_discount_code'])) {
+                $invoice->set_discount_code(wpinv_clean($_POST['wpinv_discount_code']));
             }
 
-            $discount = new WPInv_Discount( $invoice->get_discount_code() );
-            if ( $discount->exists() ) {
-                $invoice->add_discount( getpaid_calculate_invoice_discount( $invoice, $discount ) );
+            $discount = new WPInv_Discount($invoice->get_discount_code());
+            if ($discount->exists()) {
+                $invoice->add_discount(getpaid_calculate_invoice_discount($invoice, $discount));
             } else {
-                $invoice->remove_discount( 'discount_code' );
+                $invoice->remove_discount('discount_code');
             }
 
             // Recalculate totals.
@@ -423,17 +423,17 @@ 
         }
 
         // If we're creating a new user...
-        if ( ! empty( $_POST['wpinv_new_user'] ) && is_email( stripslashes( $_POST['wpinv_email'] ) ) ) {
+        if (!empty($_POST['wpinv_new_user']) && is_email(stripslashes($_POST['wpinv_email']))) {
 
             // Attempt to create the user.
-            $user = wpinv_create_user( sanitize_email( stripslashes( $_POST['wpinv_email'] ) ) );
+            $user = wpinv_create_user(sanitize_email(stripslashes($_POST['wpinv_email'])));
 
 
             // If successful, update the invoice author.
-            if ( is_numeric( $user ) ) {
-                $invoice->set_author( $user );
+            if (is_numeric($user)) {
+                $invoice->set_author($user);
             } else {
-                wpinv_error_log( $user->get_error_message(), __( 'Invoice add new user', 'invoicing' ), __FILE__, __LINE__ );
+                wpinv_error_log($user->get_error_message(), __('Invoice add new user', 'invoicing'), __FILE__, __LINE__);
             }
         }
 
@@ -447,16 +447,16 @@ 
         $GLOBALS['wpinv_skip_invoice_notification'] = false;
 
         // (Maybe) send new user notification.
-        $should_send_notification = wpinv_get_option( 'disable_new_user_emails' );
-        if ( ! empty( $user ) && is_numeric( $user ) && apply_filters( 'getpaid_send_new_user_notification', empty( $should_send_notification ) ) ) {
-            wp_send_new_user_notifications( $user, 'user' );
+        $should_send_notification = wpinv_get_option('disable_new_user_emails');
+        if (!empty($user) && is_numeric($user) && apply_filters('getpaid_send_new_user_notification', empty($should_send_notification))) {
+            wp_send_new_user_notifications($user, 'user');
         }
 
-        if ( ! empty( $_POST['send_to_customer'] ) && ! $invoice->is_draft() ) {
-            getpaid()->get( 'invoice_emails' )->user_invoice( $invoice, true );
+        if (!empty($_POST['send_to_customer']) && !$invoice->is_draft()) {
+            getpaid()->get('invoice_emails')->user_invoice($invoice, true);
         }
 
         // Fires after an invoice is saved.
-		do_action( 'wpinv_invoice_metabox_saved', $invoice );
+		do_action('wpinv_invoice_metabox_saved', $invoice);
 	}
 }

includes/class-wpinv-invoice.php

Indentation +2609 added lines, -2609 removed lines

@@ -14,30 +14,30 @@ 
 class WPInv_Invoice extends GetPaid_Data {
 
     /**
-	 * Which data store to load.
-	 *
-	 * @var string
-	 */
+     * Which data store to load.
+     *
+     * @var string
+     */
     protected $data_store_name = 'invoice';
 
     /**
-	 * This is the name of this object type.
-	 *
-	 * @var string
-	 */
+     * This is the name of this object type.
+     *
+     * @var string
+     */
     protected $object_type = 'invoice';
 
     /**
-	 * Item Data array. This is the core item data exposed in APIs.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $data = array(
-		'parent_id'            => 0,
-		'status'               => 'wpi-pending',
-		'version'              => '',
-		'date_created'         => null,
+     * Item Data array. This is the core item data exposed in APIs.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $data = array(
+        'parent_id'            => 0,
+        'status'               => 'wpi-pending',
+        'version'              => '',
+        'date_created'         => null,
         'date_modified'        => null,
         'due_date'             => null,
         'completed_date'       => null,
@@ -60,17 +60,17 @@ 
         'state'                => null,
         'zip'                  => null,
         'company'              => null,
-		'company_id'           => null,
+        'company_id'           => null,
         'vat_number'           => null,
         'vat_rate'             => null,
         'address'              => null,
         'address_confirmed'    => false,
         'shipping'             => null,
-		'subtotal'             => 0,
+        'subtotal'             => 0,
         'total_discount'       => 0,
         'total_tax'            => 0,
-		'total_fees'           => 0,
-		'total'                => 0,
+        'total_fees'           => 0,
+        'total'                => 0,
         'fees'                 => array(),
         'discounts'            => array(),
         'taxes'                => array(),
@@ -82,22 +82,22 @@ 
         'transaction_id'       => '',
         'currency'             => '',
         'disable_taxes'        => false,
-		'subscription_id'      => null,
-		'remote_subscription_id' => null,
-		'is_viewed'            => false,
-		'email_cc'             => '',
-		'template'             => 'quantity', // hours, amount only
-		'created_via'          => null,
+        'subscription_id'      => null,
+        'remote_subscription_id' => null,
+        'is_viewed'            => false,
+        'email_cc'             => '',
+        'template'             => 'quantity', // hours, amount only
+        'created_via'          => null,
     );
 
     /**
-	 * Stores meta in cache for future reads.
-	 *
-	 * A group must be set to to enable caching.
-	 *
-	 * @var string
-	 */
-	protected $cache_group = 'getpaid_invoices';
+     * Stores meta in cache for future reads.
+     *
+     * A group must be set to to enable caching.
+     *
+     * @var string
+     */
+    protected $cache_group = 'getpaid_invoices';
 
     /**
      * Stores a reference to the original WP_Post object
@@ -111,111 +111,111 @@ 
      *
      * @var int
      */
-	protected $recurring_item = null;
+    protected $recurring_item = null;
 
-	/**
+    /**
      * Stores an array of item totals.
-	 *
-	 * e.g $totals['discount'] = array(
-	 * 		'initial'   => 10,
-	 * 		'recurring' => 10,
-	 * )
+     *
+     * e.g $totals['discount'] = array(
+     * 		'initial'   => 10,
+     * 		'recurring' => 10,
+     * )
      *
      * @var array
      */
-	protected $totals = array();
+    protected $totals = array();
 
-	/**
+    /**
      * Tax rate.
-	 *
+     *
      * @var float
      */
-	protected $tax_rate = 0;
+    protected $tax_rate = 0;
 
-	/**
-	 * Stores the status transition information.
-	 *
-	 * @since 1.0.19
-	 * @var bool|array
-	 */
-	protected $status_transition = false;
+    /**
+     * Stores the status transition information.
+     *
+     * @since 1.0.19
+     * @var bool|array
+     */
+    protected $status_transition = false;
 
     /**
-	 * Get the invoice if ID is passed, otherwise the invoice is new and empty.
-	 *
-	 * @param  int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object to read.
-	 */
+     * Get the invoice if ID is passed, otherwise the invoice is new and empty.
+     *
+     * @param  int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object to read.
+     */
     public function __construct( $invoice = 0 ) {
 
         parent::__construct( $invoice );
 
-		if ( ! empty( $invoice ) && is_numeric( $invoice ) && getpaid_is_invoice_post_type( get_post_type( (int) $invoice ) ) ) {
-			$this->set_id( (int) $invoice );
-		} elseif ( $invoice instanceof self ) {
-			$this->set_id( $invoice->get_id() );
-		} elseif ( ! empty( $invoice->ID ) ) {
-			$this->set_id( $invoice->ID );
-		} elseif ( is_array( $invoice ) ) {
-			$this->set_props( $invoice );
-
-			if ( isset( $invoice['ID'] ) ) {
-				$this->set_id( $invoice['ID'] );
-			}
-
-		} elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'key' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'number' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'transaction_id' ) ) {
-			$this->set_id( $invoice_id );
-		} else {
-			$this->set_object_read( true );
-		}
+        if ( ! empty( $invoice ) && is_numeric( $invoice ) && getpaid_is_invoice_post_type( get_post_type( (int) $invoice ) ) ) {
+            $this->set_id( (int) $invoice );
+        } elseif ( $invoice instanceof self ) {
+            $this->set_id( $invoice->get_id() );
+        } elseif ( ! empty( $invoice->ID ) ) {
+            $this->set_id( $invoice->ID );
+        } elseif ( is_array( $invoice ) ) {
+            $this->set_props( $invoice );
+
+            if ( isset( $invoice['ID'] ) ) {
+                $this->set_id( $invoice['ID'] );
+            }
+
+        } elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'key' ) ) {
+            $this->set_id( $invoice_id );
+        } elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'number' ) ) {
+            $this->set_id( $invoice_id );
+        } elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'transaction_id' ) ) {
+            $this->set_id( $invoice_id );
+        } else {
+            $this->set_object_read( true );
+        }
 
         // Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+        $this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
 
-		if ( $this->get_id() > 0 ) {
+        if ( $this->get_id() > 0 ) {
             $this->post = get_post( $this->get_id() );
             $this->ID   = $this->get_id();
-			$this->data_store->read( $this );
+            $this->data_store->read( $this );
         }
 
     }
 
     /**
-	 * Given an invoice key/number, it returns its id.
-	 *
-	 *
-	 * @static
-	 * @param string $value The invoice key or number
-	 * @param string $field Either key, transaction_id or number.
-	 * @since 1.0.15
-	 * @return int
-	 */
-	public static function get_invoice_id_by_field( $value, $field = 'key' ) {
+     * Given an invoice key/number, it returns its id.
+     *
+     *
+     * @static
+     * @param string $value The invoice key or number
+     * @param string $field Either key, transaction_id or number.
+     * @since 1.0.15
+     * @return int
+     */
+    public static function get_invoice_id_by_field( $value, $field = 'key' ) {
         global $wpdb;
 
-		// Trim the value.
-		$value = trim( $value );
+        // Trim the value.
+        $value = trim( $value );
 
-		if ( empty( $value ) ) {
-			return 0;
-		}
+        if ( empty( $value ) ) {
+            return 0;
+        }
 
         // Valid fields.
         $fields = array( 'key', 'number', 'transaction_id' );
 
-		// Ensure a field has been passed.
-		if ( empty( $field ) || ! in_array( $field, $fields ) ) {
-			return 0;
-		}
+        // Ensure a field has been passed.
+        if ( empty( $field ) || ! in_array( $field, $fields ) ) {
+            return 0;
+        }
 
-		// Maybe retrieve from the cache.
-		$invoice_id   = wp_cache_get( $value, "getpaid_invoice_{$field}s_to_invoice_ids" );
-		if ( false !== $invoice_id ) {
-			return $invoice_id;
-		}
+        // Maybe retrieve from the cache.
+        $invoice_id   = wp_cache_get( $value, "getpaid_invoice_{$field}s_to_invoice_ids" );
+        if ( false !== $invoice_id ) {
+            return $invoice_id;
+        }
 
         // Fetch from the db.
         $table       = $wpdb->prefix . 'getpaid_invoices';
@@ -223,10 +223,10 @@ 
             $wpdb->prepare( "SELECT `post_id` FROM $table WHERE `$field`=%s LIMIT 1", $value )
         );
 
-		// Update the cache with our data
-		wp_cache_set( $value, $invoice_id, "getpaid_invoice_{$field}s_to_invoice_ids" );
+        // Update the cache with our data
+        wp_cache_set( $value, $invoice_id, "getpaid_invoice_{$field}s_to_invoice_ids" );
 
-		return $invoice_id;
+        return $invoice_id;
     }
 
     /**
@@ -252,83 +252,83 @@ 
     */
 
     /**
-	 * Get parent invoice ID.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_parent_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'parent_id', $context );
+     * Get parent invoice ID.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_parent_id( $context = 'view' ) {
+        return (int) $this->get_prop( 'parent_id', $context );
     }
 
     /**
-	 * Get parent invoice.
-	 *
-	 * @since 1.0.19
-	 * @return WPInv_Invoice
-	 */
+     * Get parent invoice.
+     *
+     * @since 1.0.19
+     * @return WPInv_Invoice
+     */
     public function get_parent_payment() {
         return new WPInv_Invoice( $this->get_parent_id() );
     }
 
     /**
-	 * Alias for self::get_parent_payment().
-	 *
-	 * @since 1.0.19
-	 * @return WPInv_Invoice
-	 */
+     * Alias for self::get_parent_payment().
+     *
+     * @since 1.0.19
+     * @return WPInv_Invoice
+     */
     public function get_parent() {
         return $this->get_parent_payment();
     }
 
     /**
-	 * Get invoice status.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
-	}
+     * Get invoice status.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_status( $context = 'view' ) {
+        return $this->get_prop( 'status', $context );
+    }
 	
-	/**
-	 * Retrieves an array of possible invoice statuses.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function get_all_statuses() {
-		return wpinv_get_invoice_statuses( true, true, $this );
-    }
-
-    /**
-	 * Get invoice status nice name.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
+    /**
+     * Retrieves an array of possible invoice statuses.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function get_all_statuses() {
+        return wpinv_get_invoice_statuses( true, true, $this );
+    }
+
+    /**
+     * Get invoice status nice name.
+     *
+     * @since 1.0.19
+     * @return string
+     */
     public function get_status_nicename() {
-		$statuses = $this->get_all_statuses();
+        $statuses = $this->get_all_statuses();
 
         $status = isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : $this->get_status();
 
         return apply_filters( 'wpinv_get_invoice_status_nicename', $status, $this );
     }
 
-	/**
-	 * Retrieves the invoice status class
-	 *
-	 * @since  1.0.19
-	 * @return string
-	 */
-	public function get_status_class() {
-		$statuses = getpaid_get_invoice_status_classes();
-		return isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : 'badge-dark';
-	}
+    /**
+     * Retrieves the invoice status class
+     *
+     * @since  1.0.19
+     * @return string
+     */
+    public function get_status_class() {
+        $statuses = getpaid_get_invoice_status_classes();
+        return isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : 'badge-dark';
+    }
 
-	/**
+    /**
      * Retrieves the invoice status label html
      *
      * @since  1.0.0
@@ -336,263 +336,263 @@ 
      */
     public function get_status_label_html() {
 
-		$status_label = sanitize_text_field( $this->get_status_nicename() );
-		$status       = sanitize_html_class( $this->get_status() );
-		$class        = esc_attr( $this->get_status_class() );
+        $status_label = sanitize_text_field( $this->get_status_nicename() );
+        $status       = sanitize_html_class( $this->get_status() );
+        $class        = esc_attr( $this->get_status_class() );
 
-		return "<span class='bsui'><span class='badge $class $status'>$status_label</span></span>";
-	}
+        return "<span class='bsui'><span class='badge $class $status'>$status_label</span></span>";
+    }
 
     /**
-	 * Get plugin version when the invoice was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_version( $context = 'view' ) {
-		return $this->get_prop( 'version', $context );
-	}
+     * Get plugin version when the invoice was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_version( $context = 'view' ) {
+        return $this->get_prop( 'version', $context );
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function get_invoice_date( $format = true ) {
-		$date      = getpaid_format_date( $this->get_date_completed() );
-		$date      = empty( $date ) ? $this->get_date_created() : $this->get_date_completed();
-		$formatted = getpaid_format_date( $date );
+    /**
+     * @deprecated
+     */
+    public function get_invoice_date( $format = true ) {
+        $date      = getpaid_format_date( $this->get_date_completed() );
+        $date      = empty( $date ) ? $this->get_date_created() : $this->get_date_completed();
+        $formatted = getpaid_format_date( $date );
 
-		if ( $format ) {
-			return $formatted;
-		}
+        if ( $format ) {
+            return $formatted;
+        }
 
-		return empty( $formatted ) ? '' : $date;
+        return empty( $formatted ) ? '' : $date;
 
     }
 
     /**
-	 * Get date when the invoice was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_prop( 'date_created', $context );
-	}
+     * Get date when the invoice was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created( $context = 'view' ) {
+        return $this->get_prop( 'date_created', $context );
+    }
 	
-	/**
-	 * Alias for self::get_date_created().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_created_date( $context = 'view' ) {
-		return $this->get_date_created( $context );
-    }
-
-    /**
-	 * Get GMT date when the invoice was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created_gmt( $context = 'view' ) {
+    /**
+     * Alias for self::get_date_created().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_created_date( $context = 'view' ) {
+        return $this->get_date_created( $context );
+    }
+
+    /**
+     * Get GMT date when the invoice was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created_gmt( $context = 'view' ) {
         $date = $this->get_date_created( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Get date when the invoice was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_modified( $context = 'view' ) {
-		return $this->get_prop( 'date_modified', $context );
-	}
+     * Get date when the invoice was last modified.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_modified( $context = 'view' ) {
+        return $this->get_prop( 'date_modified', $context );
+    }
 
-	/**
-	 * Alias for self::get_date_modified().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_modified_date( $context = 'view' ) {
-		return $this->get_date_modified( $context );
+    /**
+     * Alias for self::get_date_modified().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_modified_date( $context = 'view' ) {
+        return $this->get_date_modified( $context );
     }
 
     /**
-	 * Get GMT date when the invoice was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_modified_gmt( $context = 'view' ) {
+     * Get GMT date when the invoice was last modified.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_modified_gmt( $context = 'view' ) {
         $date = $this->get_date_modified( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Get the invoice due date.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_due_date( $context = 'view' ) {
-		return $this->get_prop( 'due_date', $context );
+     * Get the invoice due date.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_due_date( $context = 'view' ) {
+        return $this->get_prop( 'due_date', $context );
     }
 
     /**
-	 * Alias for self::get_due_date().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_due( $context = 'view' ) {
-		return $this->get_due_date( $context );
+     * Alias for self::get_due_date().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_due( $context = 'view' ) {
+        return $this->get_due_date( $context );
     }
 
     /**
-	 * Get the invoice GMT due date.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_due_date_gmt( $context = 'view' ) {
+     * Get the invoice GMT due date.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_due_date_gmt( $context = 'view' ) {
         $date = $this->get_due_date( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Alias for self::get_due_date_gmt().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_gmt_date_due( $context = 'view' ) {
-		return $this->get_due_date_gmt( $context );
+     * Alias for self::get_due_date_gmt().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_gmt_date_due( $context = 'view' ) {
+        return $this->get_due_date_gmt( $context );
     }
 
     /**
-	 * Get date when the invoice was completed.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_completed_date( $context = 'view' ) {
-		return $this->get_prop( 'completed_date', $context );
+     * Get date when the invoice was completed.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_completed_date( $context = 'view' ) {
+        return $this->get_prop( 'completed_date', $context );
     }
 
     /**
-	 * Alias for self::get_completed_date().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_completed( $context = 'view' ) {
-		return $this->get_completed_date( $context );
+     * Alias for self::get_completed_date().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_completed( $context = 'view' ) {
+        return $this->get_completed_date( $context );
     }
 
     /**
-	 * Get GMT date when the invoice was was completed.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_completed_date_gmt( $context = 'view' ) {
+     * Get GMT date when the invoice was was completed.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_completed_date_gmt( $context = 'view' ) {
         $date = $this->get_completed_date( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Alias for self::get_completed_date_gmt().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_gmt_completed_date( $context = 'view' ) {
-		return $this->get_completed_date_gmt( $context );
+     * Alias for self::get_completed_date_gmt().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_gmt_completed_date( $context = 'view' ) {
+        return $this->get_completed_date_gmt( $context );
     }
 
     /**
-	 * Get the invoice number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_number( $context = 'view' ) {
-		$number = $this->get_prop( 'number', $context );
+     * Get the invoice number.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_number( $context = 'view' ) {
+        $number = $this->get_prop( 'number', $context );
 
-		if ( empty( $number ) ) {
-			$number = $this->generate_number();
-			$this->set_number( $this->generate_number() );
-		}
+        if ( empty( $number ) ) {
+            $number = $this->generate_number();
+            $this->set_number( $this->generate_number() );
+        }
 
-		return $number;
+        return $number;
     }
 
-	/**
-	 * Set the invoice number.
-	 *
-	 * @since 1.0.19
-	 */
-	public function maybe_set_number() {
+    /**
+     * Set the invoice number.
+     *
+     * @since 1.0.19
+     */
+    public function maybe_set_number() {
         $number = $this->get_number();
 
         if ( empty( $number ) || $this->get_id() == $number ) {
-			$this->set_number( $this->generate_number() );
+            $this->set_number( $this->generate_number() );
         }
 
-	}
+    }
 
     /**
-	 * Get the invoice key.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_key( $context = 'view' ) {
+     * Get the invoice key.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_key( $context = 'view' ) {
         return $this->get_prop( 'key', $context );
-	}
-
-	/**
-	 * Set the invoice key.
-	 *
-	 * @since 1.0.19
-	 */
-	public function maybe_set_key() {
+    }
+
+    /**
+     * Set the invoice key.
+     *
+     * @since 1.0.19
+     */
+    public function maybe_set_key() {
         $key = $this->get_key();
 
         if ( empty( $key ) ) {
@@ -603,140 +603,140 @@ 
     }
 
     /**
-	 * Get the invoice type.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_type( $context = 'view' ) {
+     * Get the invoice type.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_type( $context = 'view' ) {
         return $this->get_prop( 'type', $context );
-	}
-
-	/**
-	 * Returns the post type name.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_invoice_quote_type() {
+    }
+
+    /**
+     * Returns the post type name.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_invoice_quote_type() {
         return getpaid_get_post_type_label( $this->get_post_type(), false );
     }
 
     /**
-	 * Get the invoice post type label.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_label( $context = 'view' ) {
+     * Get the invoice post type label.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_label( $context = 'view' ) {
         return getpaid_get_post_type_label( $this->get_post_type( $context ), false );
-	}
-
-	/**
-	 * Get the invoice post type.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_post_type( $context = 'view' ) {
+    }
+
+    /**
+     * Get the invoice post type.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_post_type( $context = 'view' ) {
         return $this->get_prop( 'post_type', $context );
     }
 
     /**
-	 * Get the invoice mode.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_mode( $context = 'view' ) {
+     * Get the invoice mode.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_mode( $context = 'view' ) {
         return $this->get_prop( 'mode', $context );
     }
 
     /**
-	 * Get the invoice path.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_path( $context = 'view' ) {
+     * Get the invoice path.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_path( $context = 'view' ) {
         $path   = $this->get_prop( 'path', $context );
-		$prefix = $this->get_type();
+        $prefix = $this->get_type();
 
-		if ( 0 !== strpos( $path, $prefix ) ) {
-			$path = sanitize_title(  $prefix . '-' . $this->get_id()  );
-			$this->set_path( $path );
-		}
+        if ( 0 !== strpos( $path, $prefix ) ) {
+            $path = sanitize_title(  $prefix . '-' . $this->get_id()  );
+            $this->set_path( $path );
+        }
 
-		return $path;
+        return $path;
     }
 
     /**
-	 * Get the invoice name/title.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_name( $context = 'view' ) {
+     * Get the invoice name/title.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_name( $context = 'view' ) {
         return $this->get_prop( 'title', $context );
     }
 
     /**
-	 * Alias of self::get_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_title( $context = 'view' ) {
-		return $this->get_name( $context );
+     * Alias of self::get_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_title( $context = 'view' ) {
+        return $this->get_name( $context );
     }
 
     /**
-	 * Get the invoice description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_description( $context = 'view' ) {
-		return $this->get_prop( 'description', $context );
+     * Get the invoice description.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_description( $context = 'view' ) {
+        return $this->get_prop( 'description', $context );
     }
 
     /**
-	 * Alias of self::get_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_excerpt( $context = 'view' ) {
-		return $this->get_description( $context );
+     * Alias of self::get_description().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_excerpt( $context = 'view' ) {
+        return $this->get_description( $context );
     }
 
     /**
-	 * Alias of self::get_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_summary( $context = 'view' ) {
-		return $this->get_description( $context );
+     * Alias of self::get_description().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_summary( $context = 'view' ) {
+        return $this->get_description( $context );
     }
 
     /**
-	 * Returns the user info.
-	 *
-	 * @since 1.0.19
+     * Returns the user info.
+     *
+     * @since 1.0.19
      * @param  string $context View or edit context.
-	 * @return array
-	 */
+     * @return array
+     */
     public function get_user_info( $context = 'view' ) {
 
         $user_info = array(
@@ -751,669 +751,669 @@ 
             'state'      => $this->get_state( $context ),
             'zip'        => $this->get_zip( $context ),
             'company'    => $this->get_company( $context ),
-			'company_id' => $this->get_company_id( $context ),
+            'company_id' => $this->get_company_id( $context ),
             'vat_number' => $this->get_vat_number( $context ),
             'discount'   => $this->get_discount_code( $context ),
-		);
+        );
 
-		return apply_filters( 'wpinv_user_info', $user_info, $this->get_id(), $this );
+        return apply_filters( 'wpinv_user_info', $user_info, $this->get_id(), $this );
 
     }
 
     /**
-	 * Get the customer id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_author( $context = 'view' ) {
-		return (int) $this->get_prop( 'author', $context );
+     * Get the customer id.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_author( $context = 'view' ) {
+        return (int) $this->get_prop( 'author', $context );
     }
 
     /**
-	 * Alias of self::get_author().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_user_id( $context = 'view' ) {
-		return $this->get_author( $context );
+     * Alias of self::get_author().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_user_id( $context = 'view' ) {
+        return $this->get_author( $context );
     }
 
-     /**
-	 * Alias of self::get_author().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_customer_id( $context = 'view' ) {
-		return $this->get_author( $context );
+        /**
+         * Alias of self::get_author().
+         *
+         * @since 1.0.19
+         * @param  string $context View or edit context.
+         * @return int
+         */
+    public function get_customer_id( $context = 'view' ) {
+        return $this->get_author( $context );
     }
 
     /**
-	 * Get the customer's ip.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_ip( $context = 'view' ) {
-		return $this->get_prop( 'user_ip', $context );
+     * Get the customer's ip.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_ip( $context = 'view' ) {
+        return $this->get_prop( 'user_ip', $context );
     }
 
     /**
-	 * Alias of self::get_ip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_ip( $context = 'view' ) {
-		return $this->get_ip( $context );
+     * Alias of self::get_ip().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_ip( $context = 'view' ) {
+        return $this->get_ip( $context );
     }
 
-     /**
-	 * Alias of self::get_ip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_ip( $context = 'view' ) {
-		return $this->get_ip( $context );
+        /**
+         * Alias of self::get_ip().
+         *
+         * @since 1.0.19
+         * @param  string $context View or edit context.
+         * @return string
+         */
+    public function get_customer_ip( $context = 'view' ) {
+        return $this->get_ip( $context );
     }
 
     /**
-	 * Get the customer's first name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_first_name( $context = 'view' ) {
-		return $this->get_prop( 'first_name', $context );
+     * Get the customer's first name.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_first_name( $context = 'view' ) {
+        return $this->get_prop( 'first_name', $context );
     }
 
     /**
-	 * Alias of self::get_first_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_first_name( $context = 'view' ) {
-		return $this->get_first_name( $context );
+     * Alias of self::get_first_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_first_name( $context = 'view' ) {
+        return $this->get_first_name( $context );
     }
 
-     /**
-	 * Alias of self::get_first_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_first_name( $context = 'view' ) {
-		return $this->get_first_name( $context );
+        /**
+         * Alias of self::get_first_name().
+         *
+         * @since 1.0.19
+         * @param  string $context View or edit context.
+         * @return string
+         */
+    public function get_customer_first_name( $context = 'view' ) {
+        return $this->get_first_name( $context );
     }
 
     /**
-	 * Get the customer's last name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_last_name( $context = 'view' ) {
-		return $this->get_prop( 'last_name', $context );
+     * Get the customer's last name.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_last_name( $context = 'view' ) {
+        return $this->get_prop( 'last_name', $context );
     }
 
     /**
-	 * Alias of self::get_last_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_last_name( $context = 'view' ) {
-		return $this->get_last_name( $context );
+     * Alias of self::get_last_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_last_name( $context = 'view' ) {
+        return $this->get_last_name( $context );
     }
 
     /**
-	 * Alias of self::get_last_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_last_name( $context = 'view' ) {
-		return $this->get_last_name( $context );
+     * Alias of self::get_last_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_last_name( $context = 'view' ) {
+        return $this->get_last_name( $context );
     }
 
     /**
-	 * Get the customer's full name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_full_name( $context = 'view' ) {
-		return trim( $this->get_first_name( $context ) . ' ' . $this->get_last_name( $context ) );
+     * Get the customer's full name.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_full_name( $context = 'view' ) {
+        return trim( $this->get_first_name( $context ) . ' ' . $this->get_last_name( $context ) );
     }
 
     /**
-	 * Alias of self::get_full_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_full_name( $context = 'view' ) {
-		return $this->get_full_name( $context );
+     * Alias of self::get_full_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_full_name( $context = 'view' ) {
+        return $this->get_full_name( $context );
     }
 
     /**
-	 * Alias of self::get_full_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_full_name( $context = 'view' ) {
-		return $this->get_full_name( $context );
+     * Alias of self::get_full_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_full_name( $context = 'view' ) {
+        return $this->get_full_name( $context );
     }
 
     /**
-	 * Get the customer's phone number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_phone( $context = 'view' ) {
-		return $this->get_prop( 'phone', $context );
+     * Get the customer's phone number.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_phone( $context = 'view' ) {
+        return $this->get_prop( 'phone', $context );
     }
 
     /**
-	 * Alias of self::get_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_phone_number( $context = 'view' ) {
-		return $this->get_phone( $context );
+     * Alias of self::get_phone().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_phone_number( $context = 'view' ) {
+        return $this->get_phone( $context );
     }
 
     /**
-	 * Alias of self::get_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_phone( $context = 'view' ) {
-		return $this->get_phone( $context );
-    }
-
+     * Alias of self::get_phone().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_phone( $context = 'view' ) {
+        return $this->get_phone( $context );
+    }
+
     /**
-	 * Alias of self::get_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_phone( $context = 'view' ) {
-		return $this->get_phone( $context );
+     * Alias of self::get_phone().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_phone( $context = 'view' ) {
+        return $this->get_phone( $context );
     }
 
     /**
-	 * Get the customer's email address.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_email( $context = 'view' ) {
-		return $this->get_prop( 'email', $context );
+     * Get the customer's email address.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_email( $context = 'view' ) {
+        return $this->get_prop( 'email', $context );
     }
 
     /**
-	 * Alias of self::get_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_email_address( $context = 'view' ) {
-		return $this->get_email( $context );
+     * Alias of self::get_email().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_email_address( $context = 'view' ) {
+        return $this->get_email( $context );
     }
 
     /**
-	 * Alias of self::get_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_email( $context = 'view' ) {
-		return $this->get_email( $context );
+     * Alias of self::get_email().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_email( $context = 'view' ) {
+        return $this->get_email( $context );
     }
 
     /**
-	 * Alias of self::get_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_email( $context = 'view' ) {
-		return $this->get_email( $context );
+     * Alias of self::get_email().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_email( $context = 'view' ) {
+        return $this->get_email( $context );
     }
 
     /**
-	 * Get the customer's country.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_country( $context = 'view' ) {
-		$country = $this->get_prop( 'country', $context );
-		return empty( $country ) ? wpinv_get_default_country() : $country;
+     * Get the customer's country.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_country( $context = 'view' ) {
+        $country = $this->get_prop( 'country', $context );
+        return empty( $country ) ? wpinv_get_default_country() : $country;
     }
 
     /**
-	 * Alias of self::get_country().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_country( $context = 'view' ) {
-		return $this->get_country( $context );
+     * Alias of self::get_country().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_country( $context = 'view' ) {
+        return $this->get_country( $context );
     }
 
     /**
-	 * Alias of self::get_country().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_country( $context = 'view' ) {
-		return $this->get_country( $context );
+     * Alias of self::get_country().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_country( $context = 'view' ) {
+        return $this->get_country( $context );
     }
 
     /**
-	 * Get the customer's state.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_state( $context = 'view' ) {
-		$state = $this->get_prop( 'state', $context );
-		return empty( $state ) ? wpinv_get_default_state() : $state;
+     * Get the customer's state.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_state( $context = 'view' ) {
+        $state = $this->get_prop( 'state', $context );
+        return empty( $state ) ? wpinv_get_default_state() : $state;
     }
 
     /**
-	 * Alias of self::get_state().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_state( $context = 'view' ) {
-		return $this->get_state( $context );
+     * Alias of self::get_state().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_state( $context = 'view' ) {
+        return $this->get_state( $context );
     }
 
     /**
-	 * Alias of self::get_state().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_state( $context = 'view' ) {
-		return $this->get_state( $context );
+     * Alias of self::get_state().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_state( $context = 'view' ) {
+        return $this->get_state( $context );
     }
 
     /**
-	 * Get the customer's city.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_city( $context = 'view' ) {
-		return $this->get_prop( 'city', $context );
+     * Get the customer's city.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_city( $context = 'view' ) {
+        return $this->get_prop( 'city', $context );
     }
 
     /**
-	 * Alias of self::get_city().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_city( $context = 'view' ) {
-		return $this->get_city( $context );
+     * Alias of self::get_city().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_city( $context = 'view' ) {
+        return $this->get_city( $context );
     }
 
     /**
-	 * Alias of self::get_city().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_city( $context = 'view' ) {
-		return $this->get_city( $context );
+     * Alias of self::get_city().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_city( $context = 'view' ) {
+        return $this->get_city( $context );
     }
 
     /**
-	 * Get the customer's zip.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_zip( $context = 'view' ) {
-		return $this->get_prop( 'zip', $context );
+     * Get the customer's zip.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_zip( $context = 'view' ) {
+        return $this->get_prop( 'zip', $context );
     }
 
     /**
-	 * Alias of self::get_zip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_zip( $context = 'view' ) {
-		return $this->get_zip( $context );
+     * Alias of self::get_zip().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_zip( $context = 'view' ) {
+        return $this->get_zip( $context );
     }
 
     /**
-	 * Alias of self::get_zip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_zip( $context = 'view' ) {
-		return $this->get_zip( $context );
+     * Alias of self::get_zip().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_zip( $context = 'view' ) {
+        return $this->get_zip( $context );
     }
 
     /**
-	 * Get the customer's company.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_company( $context = 'view' ) {
-		return $this->get_prop( 'company', $context );
+     * Get the customer's company.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_company( $context = 'view' ) {
+        return $this->get_prop( 'company', $context );
     }
 
     /**
-	 * Alias of self::get_company().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_company( $context = 'view' ) {
-		return $this->get_company( $context );
+     * Alias of self::get_company().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_company( $context = 'view' ) {
+        return $this->get_company( $context );
     }
 
     /**
-	 * Alias of self::get_company().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_company( $context = 'view' ) {
-		return $this->get_company( $context );
+     * Alias of self::get_company().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_company( $context = 'view' ) {
+        return $this->get_company( $context );
     }
 
-	/**
-	 * Get the customer's company id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_company_id( $context = 'view' ) {
-		return $this->get_prop( 'company_id', $context );
+    /**
+     * Get the customer's company id.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_company_id( $context = 'view' ) {
+        return $this->get_prop( 'company_id', $context );
     }
 
     /**
-	 * Get the customer's vat number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_vat_number( $context = 'view' ) {
-		return $this->get_prop( 'vat_number', $context );
+     * Get the customer's vat number.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_vat_number( $context = 'view' ) {
+        return $this->get_prop( 'vat_number', $context );
+    }
+
+    /**
+     * Alias of self::get_vat_number().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_vat_number( $context = 'view' ) {
+        return $this->get_vat_number( $context );
     }
 
     /**
-	 * Alias of self::get_vat_number().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_vat_number( $context = 'view' ) {
-		return $this->get_vat_number( $context );
+     * Alias of self::get_vat_number().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_vat_number( $context = 'view' ) {
+        return $this->get_vat_number( $context );
     }
 
     /**
-	 * Alias of self::get_vat_number().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_vat_number( $context = 'view' ) {
-		return $this->get_vat_number( $context );
+     * Get the customer's vat rate.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_vat_rate( $context = 'view' ) {
+        return $this->get_prop( 'vat_rate', $context );
     }
 
-    /**
-	 * Get the customer's vat rate.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_vat_rate( $context = 'view' ) {
-		return $this->get_prop( 'vat_rate', $context );
-    }
-
-    /**
-	 * Alias of self::get_vat_rate().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_vat_rate( $context = 'view' ) {
-		return $this->get_vat_rate( $context );
-    }
-
-    /**
-	 * Alias of self::get_vat_rate().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_vat_rate( $context = 'view' ) {
-		return $this->get_vat_rate( $context );
-    }
-
-    /**
-	 * Get the customer's address.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_address( $context = 'view' ) {
-		return $this->get_prop( 'address', $context );
-    }
-
-    /**
-	 * Alias of self::get_address().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_user_address( $context = 'view' ) {
-		return $this->get_address( $context );
-    }
-
-    /**
-	 * Alias of self::get_address().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_customer_address( $context = 'view' ) {
-		return $this->get_address( $context );
-    }
-
-    /**
-	 * Get whether the customer has viewed the invoice or not.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_is_viewed( $context = 'view' ) {
-		return (bool) $this->get_prop( 'is_viewed', $context );
-	}
-
-	/**
-	 * Get other recipients for invoice communications.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_email_cc( $context = 'view' ) {
-		return $this->get_prop( 'email_cc', $context );
-	}
-
-	/**
-	 * Get invoice template.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_template( $context = 'view' ) {
-		return $this->get_prop( 'template', $context );
-	}
-
-	/**
-	 * Get invoice source.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_created_via( $context = 'view' ) {
-		return $this->get_prop( 'created_via', $context );
-	}
-
-	/**
-	 * Get whether the customer has confirmed their address.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_address_confirmed( $context = 'view' ) {
-		return (bool) $this->get_prop( 'address_confirmed', $context );
-    }
-
-    /**
-	 * Alias of self::get_address_confirmed().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_user_address_confirmed( $context = 'view' ) {
-		return $this->get_address_confirmed( $context );
-    }
-
-    /**
-	 * Alias of self::get_address().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_customer_address_confirmed( $context = 'view' ) {
-		return $this->get_address_confirmed( $context );
-    }
-
-	/**
-	 * Get the shipping address.
-	 *
-	 * @since 1.0.19
-	 * @return array|false
-	 */
-	public function get_shipping_address() {
-
-		$shipping_address = get_post_meta( $this->get_id(), 'shipping_address', true );
-		return is_array( $shipping_address ) ? $shipping_address : false;
-    }
-
-	/**
-	 * Check if the invoice has a shipping address.
-	 */
-	public function has_shipping_address() {
-		return false !== $this->get_shipping_address();
-    }
-
-	/**
-	 * Get the shipping amount.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_shipping( $context = 'view' ) {
-
-		if ( $context = 'view' ) {
-			return floatval( $this->get_prop( 'shipping', $context ) );
-		}
+    /**
+     * Alias of self::get_vat_rate().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_vat_rate( $context = 'view' ) {
+        return $this->get_vat_rate( $context );
+    }
+
+    /**
+     * Alias of self::get_vat_rate().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_vat_rate( $context = 'view' ) {
+        return $this->get_vat_rate( $context );
+    }
+
+    /**
+     * Get the customer's address.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_address( $context = 'view' ) {
+        return $this->get_prop( 'address', $context );
+    }
+
+    /**
+     * Alias of self::get_address().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_user_address( $context = 'view' ) {
+        return $this->get_address( $context );
+    }
+
+    /**
+     * Alias of self::get_address().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_customer_address( $context = 'view' ) {
+        return $this->get_address( $context );
+    }
+
+    /**
+     * Get whether the customer has viewed the invoice or not.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_is_viewed( $context = 'view' ) {
+        return (bool) $this->get_prop( 'is_viewed', $context );
+    }
+
+    /**
+     * Get other recipients for invoice communications.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_email_cc( $context = 'view' ) {
+        return $this->get_prop( 'email_cc', $context );
+    }
+
+    /**
+     * Get invoice template.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_template( $context = 'view' ) {
+        return $this->get_prop( 'template', $context );
+    }
+
+    /**
+     * Get invoice source.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_created_via( $context = 'view' ) {
+        return $this->get_prop( 'created_via', $context );
+    }
+
+    /**
+     * Get whether the customer has confirmed their address.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_address_confirmed( $context = 'view' ) {
+        return (bool) $this->get_prop( 'address_confirmed', $context );
+    }
+
+    /**
+     * Alias of self::get_address_confirmed().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_user_address_confirmed( $context = 'view' ) {
+        return $this->get_address_confirmed( $context );
+    }
+
+    /**
+     * Alias of self::get_address().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_customer_address_confirmed( $context = 'view' ) {
+        return $this->get_address_confirmed( $context );
+    }
+
+    /**
+     * Get the shipping address.
+     *
+     * @since 1.0.19
+     * @return array|false
+     */
+    public function get_shipping_address() {
+
+        $shipping_address = get_post_meta( $this->get_id(), 'shipping_address', true );
+        return is_array( $shipping_address ) ? $shipping_address : false;
+    }
+
+    /**
+     * Check if the invoice has a shipping address.
+     */
+    public function has_shipping_address() {
+        return false !== $this->get_shipping_address();
+    }
+
+    /**
+     * Get the shipping amount.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_shipping( $context = 'view' ) {
+
+        if ( $context = 'view' ) {
+            return floatval( $this->get_prop( 'shipping', $context ) );
+        }
  
-		return $this->get_prop( 'shipping', $context );
+        return $this->get_prop( 'shipping', $context );
     }
 
-	public function has_shipping() {
-		return defined( 'GETPAID_SHIPPING_CALCULATOR_VERSION' ) && null !== $this->get_prop( 'shipping', 'edit' );
+    public function has_shipping() {
+        return defined( 'GETPAID_SHIPPING_CALCULATOR_VERSION' ) && null !== $this->get_prop( 'shipping', 'edit' );
     }
 
     /**
-	 * Get the invoice subtotal.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_subtotal( $context = 'view' ) {
+     * Get the invoice subtotal.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_subtotal( $context = 'view' ) {
         $subtotal = (float) $this->get_prop( 'subtotal', $context );
 
         // Backwards compatibility.
@@ -1425,198 +1425,198 @@ 
     }
 
     /**
-	 * Get the invoice discount total.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_total_discount( $context = 'view' ) {
-		return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_discount', $context ) ) );
+     * Get the invoice discount total.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_total_discount( $context = 'view' ) {
+        return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_discount', $context ) ) );
     }
 
     /**
-	 * Get the invoice tax total.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_total_tax( $context = 'view' ) {
-		return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_tax', $context ) ) );
-	}
+     * Get the invoice tax total.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_total_tax( $context = 'view' ) {
+        return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_tax', $context ) ) );
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function get_final_tax( $currency = false ) {
-		$tax = $this->get_total_tax();
+    /**
+     * @deprecated
+     */
+    public function get_final_tax( $currency = false ) {
+        $tax = $this->get_total_tax();
 
         if ( $currency ) {
-			return wpinv_price( $tax, $this->get_currency() );
+            return wpinv_price( $tax, $this->get_currency() );
         }
 
         return $tax;
     }
 
     /**
-	 * Get the invoice fees total.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_total_fees( $context = 'view' ) {
-		return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_fees', $context ) ) );
+     * Get the invoice fees total.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_total_fees( $context = 'view' ) {
+        return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_fees', $context ) ) );
     }
 
     /**
-	 * Alias for self::get_total_fees().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_fees_total( $context = 'view' ) {
-		return $this->get_total_fees( $context );
+     * Alias for self::get_total_fees().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_fees_total( $context = 'view' ) {
+        return $this->get_total_fees( $context );
     }
 
     /**
-	 * Get the invoice total.
-	 *
-	 * @since 1.0.19
+     * Get the invoice total.
+     *
+     * @since 1.0.19
      * @return float
-	 */
-	public function get_total( $context = 'view' ) {
-		$total = $this->get_prop( 'total', $context );
-
-		if ( $this->has_shipping() && $context == 'view' ) {
-			$total = $this->get_prop( 'total', $context ) + $this->get_shipping( $context );
-		}
-
-		return wpinv_round_amount( wpinv_sanitize_amount( $total ) );
-	}
-
-	/**
-	 * Retrieves the non-recurring total of items.
-	 *
-	 * @since 2.3.0
-	 * @return float
-	 */
-	public function get_non_recurring_total() {
-
-		$subtotal = 0;
-		foreach ( $this->get_items() as $item ) {
-			if ( ! $item->is_recurring() ) {
-				$subtotal += $item->get_sub_total();
-			}
-		}
-
-		foreach ( $this->get_fees() as $fee ) {
-			if ( empty( $fee['recurring_fee'] ) ) {
-				$subtotal += wpinv_sanitize_amount( $fee['initial_fee'] );
-			}
-		}
-
-		$subtotal = wpinv_round_amount( wpinv_sanitize_amount( $subtotal ) );
+     */
+    public function get_total( $context = 'view' ) {
+        $total = $this->get_prop( 'total', $context );
+
+        if ( $this->has_shipping() && $context == 'view' ) {
+            $total = $this->get_prop( 'total', $context ) + $this->get_shipping( $context );
+        }
+
+        return wpinv_round_amount( wpinv_sanitize_amount( $total ) );
+    }
+
+    /**
+     * Retrieves the non-recurring total of items.
+     *
+     * @since 2.3.0
+     * @return float
+     */
+    public function get_non_recurring_total() {
+
+        $subtotal = 0;
+        foreach ( $this->get_items() as $item ) {
+            if ( ! $item->is_recurring() ) {
+                $subtotal += $item->get_sub_total();
+            }
+        }
+
+        foreach ( $this->get_fees() as $fee ) {
+            if ( empty( $fee['recurring_fee'] ) ) {
+                $subtotal += wpinv_sanitize_amount( $fee['initial_fee'] );
+            }
+        }
+
+        $subtotal = wpinv_round_amount( wpinv_sanitize_amount( $subtotal ) );
         return apply_filters( 'wpinv_get_non_recurring_invoice_total', $subtotal, $this );
 
     }
 
-	/**
-	 * Get the invoice totals.
-	 *
-	 * @since 1.0.19
+    /**
+     * Get the invoice totals.
+     *
+     * @since 1.0.19
      * @return array
-	 */
-	public function get_totals() {
-		return $this->totals;
+     */
+    public function get_totals() {
+        return $this->totals;
     }
 
     /**
-	 * Get the initial invoice total.
-	 *
-	 * @since 1.0.19
+     * Get the initial invoice total.
+     *
+     * @since 1.0.19
      * @param  string $context View or edit context.
      * @return float
-	 */
+     */
     public function get_initial_total() {
 
-		if ( empty( $this->totals ) ) {
-			$this->recalculate_total();
-		}
+        if ( empty( $this->totals ) ) {
+            $this->recalculate_total();
+        }
 
-		$tax      = $this->totals['tax']['initial'];
-		$fee      = $this->totals['fee']['initial'];
-		$discount = $this->totals['discount']['initial'];
-		$subtotal = $this->totals['subtotal']['initial'];
-		$total    = $tax + $fee - $discount + $subtotal;
+        $tax      = $this->totals['tax']['initial'];
+        $fee      = $this->totals['fee']['initial'];
+        $discount = $this->totals['discount']['initial'];
+        $subtotal = $this->totals['subtotal']['initial'];
+        $total    = $tax + $fee - $discount + $subtotal;
 
-		if ( 0 > $total ) {
-			$total = 0;
-		}
+        if ( 0 > $total ) {
+            $total = 0;
+        }
 
-		$total = wpinv_round_amount( wpinv_sanitize_amount( $total ) );
+        $total = wpinv_round_amount( wpinv_sanitize_amount( $total ) );
         return apply_filters( 'wpinv_get_initial_invoice_total', $total, $this );
-	}
+    }
 
-	/**
-	 * Get the recurring invoice total.
-	 *
-	 * @since 1.0.19
+    /**
+     * Get the recurring invoice total.
+     *
+     * @since 1.0.19
      * @param  string $context View or edit context.
      * @return float
-	 */
+     */
     public function get_recurring_total() {
 
-		if ( empty( $this->totals ) ) {
-			$this->recalculate_total();
-		}
+        if ( empty( $this->totals ) ) {
+            $this->recalculate_total();
+        }
 
-		$tax      = $this->totals['tax']['recurring'];
-		$fee      = $this->totals['fee']['recurring'];
-		$discount = $this->totals['discount']['recurring'];
-		$subtotal = $this->totals['subtotal']['recurring'];
-		$total    = $tax + $fee - $discount + $subtotal;
+        $tax      = $this->totals['tax']['recurring'];
+        $fee      = $this->totals['fee']['recurring'];
+        $discount = $this->totals['discount']['recurring'];
+        $subtotal = $this->totals['subtotal']['recurring'];
+        $total    = $tax + $fee - $discount + $subtotal;
 
-		if ( 0 > $total ) {
-			$total = 0;
-		}
+        if ( 0 > $total ) {
+            $total = 0;
+        }
 
-		$total = wpinv_round_amount( wpinv_sanitize_amount( $total ) );
+        $total = wpinv_round_amount( wpinv_sanitize_amount( $total ) );
         return apply_filters( 'wpinv_get_recurring_invoice_total', $total, $this );
-	}
+    }
 
-	/**
-	 * Returns recurring payment details.
-	 *
-	 * @since 1.0.19
+    /**
+     * Returns recurring payment details.
+     *
+     * @since 1.0.19
      * @param  string $field Optionally provide a field to return.
-	 * @param string $currency Whether to include the currency.
+     * @param string $currency Whether to include the currency.
      * @return float|string
-	 */
+     */
     public function get_recurring_details( $field = '', $currency = false ) {
 
-		// Maybe recalculate totals.
-		if ( empty( $this->totals ) ) {
-			$this->recalculate_total();
-		}
+        // Maybe recalculate totals.
+        if ( empty( $this->totals ) ) {
+            $this->recalculate_total();
+        }
 
-		// Prepare recurring totals.
+        // Prepare recurring totals.
         $data = apply_filters(
-			'wpinv_get_invoice_recurring_details',
-			array(
-				'cart_details' => $this->get_cart_details(),
-				'subtotal'     => $this->totals['subtotal']['recurring'],
-				'discount'     => $this->totals['discount']['recurring'],
-				'tax'          => $this->totals['tax']['recurring'],
-				'fee'          => $this->totals['fee']['recurring'],
-				'total'        => $this->get_recurring_total(),
-			),
-			$this,
-			$field,
-			$currency
-		);
+            'wpinv_get_invoice_recurring_details',
+            array(
+                'cart_details' => $this->get_cart_details(),
+                'subtotal'     => $this->totals['subtotal']['recurring'],
+                'discount'     => $this->totals['discount']['recurring'],
+                'tax'          => $this->totals['tax']['recurring'],
+                'fee'          => $this->totals['fee']['recurring'],
+                'total'        => $this->get_recurring_total(),
+            ),
+            $this,
+            $field,
+            $currency
+        );
 
         if ( isset( $data[$field] ) ) {
             return ( $currency ? wpinv_price( $data[$field], $this->get_currency() ) : $data[$field] );
@@ -1626,166 +1626,166 @@ 
     }
 
     /**
-	 * Get the invoice fees.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_fees( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'fees', $context ) );
+     * Get the invoice fees.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_fees( $context = 'view' ) {
+        return wpinv_parse_list( $this->get_prop( 'fees', $context ) );
     }
 
     /**
-	 * Get the invoice discounts.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_discounts( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'discounts', $context ) );
+     * Get the invoice discounts.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_discounts( $context = 'view' ) {
+        return wpinv_parse_list( $this->get_prop( 'discounts', $context ) );
     }
 
     /**
-	 * Get the invoice taxes.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
-	public function get_taxes( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'taxes', $context ) );
+     * Get the invoice taxes.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
+    public function get_taxes( $context = 'view' ) {
+        return wpinv_parse_list( $this->get_prop( 'taxes', $context ) );
     }
 
     /**
-	 * Get the invoice items.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return GetPaid_Form_Item[]
-	 */
-	public function get_items( $context = 'view' ) {
+     * Get the invoice items.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return GetPaid_Form_Item[]
+     */
+    public function get_items( $context = 'view' ) {
         return $this->get_prop( 'items', $context );
-	}
+    }
 
-	/**
-	 * Get the invoice item ids.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_item_ids() {
-		return implode( ', ', wp_list_pluck( $this->get_cart_details(), 'item_id' ) );
+    /**
+     * Get the invoice item ids.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_item_ids() {
+        return implode( ', ', wp_list_pluck( $this->get_cart_details(), 'item_id' ) );
     }
 
     /**
-	 * Get the invoice's payment form.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_payment_form( $context = 'view' ) {
-		return intval( $this->get_prop( 'payment_form', $context ) );
+     * Get the invoice's payment form.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_payment_form( $context = 'view' ) {
+        return intval( $this->get_prop( 'payment_form', $context ) );
     }
 
     /**
-	 * Get the invoice's submission id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_submission_id( $context = 'view' ) {
-		return $this->get_prop( 'submission_id', $context );
+     * Get the invoice's submission id.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_submission_id( $context = 'view' ) {
+        return $this->get_prop( 'submission_id', $context );
     }
 
     /**
-	 * Get the invoice's discount code.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_discount_code( $context = 'view' ) {
-		return $this->get_prop( 'discount_code', $context );
+     * Get the invoice's discount code.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_discount_code( $context = 'view' ) {
+        return $this->get_prop( 'discount_code', $context );
     }
 
     /**
-	 * Get the invoice's gateway.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_gateway( $context = 'view' ) {
-		return $this->get_prop( 'gateway', $context );
+     * Get the invoice's gateway.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_gateway( $context = 'view' ) {
+        return $this->get_prop( 'gateway', $context );
     }
 
     /**
-	 * Get the invoice's gateway display title.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
+     * Get the invoice's gateway display title.
+     *
+     * @since 1.0.19
+     * @return string
+     */
     public function get_gateway_title() {
         $title =  wpinv_get_gateway_checkout_label( $this->get_gateway() );
         return apply_filters( 'wpinv_gateway_title', $title, $this->get_id(), $this );
     }
 
     /**
-	 * Get the invoice's transaction id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_transaction_id( $context = 'view' ) {
-		return $this->get_prop( 'transaction_id', $context );
+     * Get the invoice's transaction id.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_transaction_id( $context = 'view' ) {
+        return $this->get_prop( 'transaction_id', $context );
     }
 
     /**
-	 * Get the invoice's currency.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_currency( $context = 'view' ) {
+     * Get the invoice's currency.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_currency( $context = 'view' ) {
         $currency = $this->get_prop( 'currency', $context );
         return empty( $currency ) ? wpinv_get_currency() : $currency;
     }
 
     /**
-	 * Checks if we are charging taxes for this invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return bool
-	 */
-	public function get_disable_taxes( $context = 'view' ) {
+     * Checks if we are charging taxes for this invoice.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return bool
+     */
+    public function get_disable_taxes( $context = 'view' ) {
         return (bool) $this->get_prop( 'disable_taxes', $context );
     }
 
     /**
-	 * Retrieves the subscription id for an invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
+     * Retrieves the subscription id for an invoice.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
     public function get_subscription_id( $context = 'view' ) {
-		return $this->is_renewal() ? $this->get_parent()->get_subscription_id( $context ) : $this->get_prop( 'subscription_id', $context );
-	}
-
-	/**
-	 * Retrieves the remote subscription id for an invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
+        return $this->is_renewal() ? $this->get_parent()->get_subscription_id( $context ) : $this->get_prop( 'subscription_id', $context );
+    }
+
+    /**
+     * Retrieves the remote subscription id for an invoice.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
     public function get_remote_subscription_id( $context = 'view' ) {
         $subscription_id = $this->get_prop( 'remote_subscription_id', $context );
 
@@ -1798,12 +1798,12 @@ 
     }
 
     /**
-	 * Retrieves the payment meta for an invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return array
-	 */
+     * Retrieves the payment meta for an invoice.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return array
+     */
     public function get_payment_meta( $context = 'view' ) {
 
         return array(
@@ -1823,31 +1823,31 @@ 
     }
 
     /**
-	 * Retrieves the cart details for an invoice.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
+     * Retrieves the cart details for an invoice.
+     *
+     * @since 1.0.19
+     * @return array
+     */
     public function get_cart_details() {
         $items        = $this->get_items();
         $cart_details = array();
 
         foreach ( $items as $item ) {
-			$item->invoice_id = $this->get_id();
+            $item->invoice_id = $this->get_id();
             $cart_details[]   = $item->prepare_data_for_saving();
         }
 
         return $cart_details;
-	}
+    }
 
-	/**
-	 * Retrieves the recurring item.
-	 *
-	 * @return null|GetPaid_Form_Item|int
-	 */
-	public function get_recurring( $object = false ) {
+    /**
+     * Retrieves the recurring item.
+     *
+     * @return null|GetPaid_Form_Item|int
+     */
+    public function get_recurring( $object = false ) {
 
-		// Are we returning an object?
+        // Are we returning an object?
         if ( $object ) {
             return $this->get_item( $this->recurring_item );
         }
@@ -1855,124 +1855,124 @@ 
         return $this->recurring_item;
     }
 
-	/**
-	 * Retrieves the subscription name.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_subscription_name() {
+    /**
+     * Retrieves the subscription name.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_subscription_name() {
 
-		// Retrieve the recurring name
+        // Retrieve the recurring name
         $item = $this->get_recurring( true );
 
-		// Abort if it does not exist.
+        // Abort if it does not exist.
         if ( empty( $item ) ) {
             return '';
         }
 
-		// Return the item name.
+        // Return the item name.
         return apply_filters( 'wpinv_invoice_get_subscription_name', $item->get_name(), $this );
-	}
-
-	/**
-	 * Retrieves the view url.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_view_url() {
+    }
+
+    /**
+     * Retrieves the view url.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_view_url() {
         $invoice_url = get_permalink( $this->get_id() );
-		$invoice_url = add_query_arg( 'invoice_key', $this->get_key(), $invoice_url );
+        $invoice_url = add_query_arg( 'invoice_key', $this->get_key(), $invoice_url );
         return apply_filters( 'wpinv_get_view_url', $invoice_url, $this );
-	}
+    }
 
-	/**
-	 * Retrieves the payment url.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_checkout_payment_url( $deprecated = false, $secret = false ) {
+    /**
+     * Retrieves the payment url.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_checkout_payment_url( $deprecated = false, $secret = false ) {
 
-		// Retrieve the checkout url.
+        // Retrieve the checkout url.
         $pay_url = wpinv_get_checkout_uri();
 
-		// Maybe force ssl.
+        // Maybe force ssl.
         if ( is_ssl() ) {
             $pay_url = str_replace( 'http:', 'https:', $pay_url );
         }
 
-		// Add the invoice key.
-		$pay_url = add_query_arg( 'invoice_key', $this->get_key(), $pay_url );
+        // Add the invoice key.
+        $pay_url = add_query_arg( 'invoice_key', $this->get_key(), $pay_url );
 
-		// (Maybe?) add a secret
+        // (Maybe?) add a secret
         if ( $secret ) {
             $pay_url = add_query_arg( array( '_wpipay' => md5( $this->get_user_id() . '::' . $this->get_email() . '::' . $this->get_key() ) ), $pay_url );
         }
 
         return apply_filters( 'wpinv_get_checkout_payment_url', $pay_url, $this, $deprecated, $secret );
-	}
+    }
 	
-	/**
-	 * Retrieves the receipt url.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_receipt_url() {
-
-		// Retrieve the checkout url.
+    /**
+     * Retrieves the receipt url.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_receipt_url() {
+
+        // Retrieve the checkout url.
         $receipt_url = wpinv_get_success_page_uri();
 
-		// Maybe force ssl.
+        // Maybe force ssl.
         if ( is_ssl() ) {
             $receipt_url = str_replace( 'http:', 'https:', $receipt_url );
         }
 
-		// Add the invoice key.
-		$receipt_url = add_query_arg( 'invoice_key', $this->get_key(), $receipt_url );
+        // Add the invoice key.
+        $receipt_url = add_query_arg( 'invoice_key', $this->get_key(), $receipt_url );
 
         return apply_filters( 'getpaid_get_invoice_receipt_url', $receipt_url, $this );
-	}
-
-	/**
-	 * Retrieves the remote transaction url.
-	 *
-	 * @since 1.6.0
-	 * @return string
-	 */
-	public function get_transaction_url() {
-		return apply_filters( 'getpaid_gateway_' . $this->get_gateway() . '_transaction_url', '', $this );
-	}
-
-	/**
-	 * Retrieves the default status.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_default_status() {
-
-		$type   = $this->get_type();
-		$status = "wpi-$type-pending";
-		return str_replace( '-invoice', '', $status );
-
-	}
-
-    /**
-	 * Magic method for accessing invoice properties.
-	 *
-	 * @since 1.0.15
-	 * @access public
-	 *
-	 * @param string $key Discount data to retrieve
-	 * @param  string $context View or edit context.
-	 * @return mixed Value of the given invoice property (if set).
-	 */
-	public function get( $key, $context = 'view' ) {
+    }
+
+    /**
+     * Retrieves the remote transaction url.
+     *
+     * @since 1.6.0
+     * @return string
+     */
+    public function get_transaction_url() {
+        return apply_filters( 'getpaid_gateway_' . $this->get_gateway() . '_transaction_url', '', $this );
+    }
+
+    /**
+     * Retrieves the default status.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_default_status() {
+
+        $type   = $this->get_type();
+        $status = "wpi-$type-pending";
+        return str_replace( '-invoice', '', $status );
+
+    }
+
+    /**
+     * Magic method for accessing invoice properties.
+     *
+     * @since 1.0.15
+     * @access public
+     *
+     * @param string $key Discount data to retrieve
+     * @param  string $context View or edit context.
+     * @return mixed Value of the given invoice property (if set).
+     */
+    public function get( $key, $context = 'view' ) {
         return $this->get_prop( $key, $context );
-	}
+    }
 
     /*
 	|--------------------------------------------------------------------------
@@ -1985,130 +1985,130 @@ 
     */
 
     /**
-	 * Magic method for setting invoice properties.
-	 *
-	 * @since 1.0.19
-	 * @access public
-	 *
-	 * @param string $key Discount data to retrieve
-	 * @param  mixed $value new value.
-	 * @return mixed Value of the given invoice property (if set).
-	 */
-	public function set( $key, $value ) {
+     * Magic method for setting invoice properties.
+     *
+     * @since 1.0.19
+     * @access public
+     *
+     * @param string $key Discount data to retrieve
+     * @param  mixed $value new value.
+     * @return mixed Value of the given invoice property (if set).
+     */
+    public function set( $key, $value ) {
 
         $setter = "set_$key";
         if ( is_callable( array( $this, $setter ) ) ) {
             $this->{$setter}( $value );
         }
 
-	}
+    }
 
-	/**
-	 * Sets item status.
-	 *
-	 * @since 1.0.19
-	 * @param string $new_status    New status.
-	 * @param string $note          Optional note to add.
-	 * @param bool   $manual_update Is this a manual status change?.
-	 * @return array details of change.
-	 */
-	public function set_status( $new_status, $note = '', $manual_update = false ) {
-		$old_status = $this->get_status();
+    /**
+     * Sets item status.
+     *
+     * @since 1.0.19
+     * @param string $new_status    New status.
+     * @param string $note          Optional note to add.
+     * @param bool   $manual_update Is this a manual status change?.
+     * @return array details of change.
+     */
+    public function set_status( $new_status, $note = '', $manual_update = false ) {
+        $old_status = $this->get_status();
 
-		$statuses = $this->get_all_statuses();
+        $statuses = $this->get_all_statuses();
 
-		if ( isset( $statuses[ 'draft' ] ) ) {
-			unset( $statuses[ 'draft' ] );
-		}
+        if ( isset( $statuses[ 'draft' ] ) ) {
+            unset( $statuses[ 'draft' ] );
+        }
 
-		$this->set_prop( 'status', $new_status );
+        $this->set_prop( 'status', $new_status );
 
-		// If setting the status, ensure it's set to a valid status.
-		if ( true === $this->object_read ) {
+        // If setting the status, ensure it's set to a valid status.
+        if ( true === $this->object_read ) {
 
-			// Only allow valid new status.
-			if ( ! array_key_exists( $new_status, $statuses ) ) {
-				$new_status = $this->get_default_status();
-			}
+            // Only allow valid new status.
+            if ( ! array_key_exists( $new_status, $statuses ) ) {
+                $new_status = $this->get_default_status();
+            }
 
-			// If the old status is set but unknown (e.g. draft) assume its pending for action usage.
-			if ( $old_status && ! array_key_exists( $new_status, $statuses ) ) {
-				$old_status = $this->get_default_status();
-			}
+            // If the old status is set but unknown (e.g. draft) assume its pending for action usage.
+            if ( $old_status && ! array_key_exists( $new_status, $statuses ) ) {
+                $old_status = $this->get_default_status();
+            }
 
-			// Paid - Renewal (i.e when duplicating a parent invoice )
-			if ( $new_status == 'wpi-pending' && $old_status == 'publish' && ! $this->get_id() ) {
-				$old_status = 'wpi-pending';
-			}
+            // Paid - Renewal (i.e when duplicating a parent invoice )
+            if ( $new_status == 'wpi-pending' && $old_status == 'publish' && ! $this->get_id() ) {
+                $old_status = 'wpi-pending';
+            }
 
-			if ( $old_status !== $new_status ) {
-				$this->status_transition = array(
-					'from'   => ! empty( $this->status_transition['from'] ) ? $this->status_transition['from'] : $old_status,
-					'to'     => $new_status,
-					'note'   => $note,
-					'manual' => (bool) $manual_update,
-				);
+            if ( $old_status !== $new_status ) {
+                $this->status_transition = array(
+                    'from'   => ! empty( $this->status_transition['from'] ) ? $this->status_transition['from'] : $old_status,
+                    'to'     => $new_status,
+                    'note'   => $note,
+                    'manual' => (bool) $manual_update,
+                );
 
-				if ( $manual_update ) {
-					do_action( 'getpaid_' . $this->object_type .'_edit_status', $this->get_id(), $new_status );
-				}
+                if ( $manual_update ) {
+                    do_action( 'getpaid_' . $this->object_type .'_edit_status', $this->get_id(), $new_status );
+                }
 
-				$this->maybe_set_date_paid();
+                $this->maybe_set_date_paid();
 
-			}
+            }
 
-		}
+        }
 
-		return array(
-			'from' => $old_status,
-			'to'   => $new_status,
-		);
-	}
+        return array(
+            'from' => $old_status,
+            'to'   => $new_status,
+        );
+    }
 
-	/**
-	 * Maybe set date paid.
-	 *
-	 * Sets the date paid variable when transitioning to the payment complete
-	 * order status.
-	 *
-	 * @since 1.0.19
-	 */
-	public function maybe_set_date_paid() {
+    /**
+     * Maybe set date paid.
+     *
+     * Sets the date paid variable when transitioning to the payment complete
+     * order status.
+     *
+     * @since 1.0.19
+     */
+    public function maybe_set_date_paid() {
 
-		if ( ! $this->get_date_completed( 'edit' ) && $this->is_paid() ) {
-			$this->set_date_completed( current_time( 'mysql' ) );
-		}
-	}
+        if ( ! $this->get_date_completed( 'edit' ) && $this->is_paid() ) {
+            $this->set_date_completed( current_time( 'mysql' ) );
+        }
+    }
 
     /**
-	 * Set parent invoice ID.
-	 *
-	 * @since 1.0.19
-	 */
-	public function set_parent_id( $value ) {
-		if ( $value && ( $value === $this->get_id() ) ) {
-			return;
-		}
-		$this->set_prop( 'parent_id', absint( $value ) );
+     * Set parent invoice ID.
+     *
+     * @since 1.0.19
+     */
+    public function set_parent_id( $value ) {
+        if ( $value && ( $value === $this->get_id() ) ) {
+            return;
+        }
+        $this->set_prop( 'parent_id', absint( $value ) );
     }
 
     /**
-	 * Set plugin version when the invoice was created.
-	 *
-	 * @since 1.0.19
-	 */
-	public function set_version( $value ) {
-		$this->set_prop( 'version', $value );
+     * Set plugin version when the invoice was created.
+     *
+     * @since 1.0.19
+     */
+    public function set_version( $value ) {
+        $this->set_prop( 'version', $value );
     }
-
-    /**
-	 * Set date when the invoice was created.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+
+    /**
+     * Set date when the invoice was created.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_date_created( $value ) {
+     */
+    public function set_date_created( $value ) {
         $date = strtotime( $value );
 
         if ( $date && $value !== '0000-00-00 00:00:00' ) {
@@ -2116,19 +2116,19 @@ 
             return true;
         }
 
-		$this->set_prop( 'date_created', '' );
-		return false;
+        $this->set_prop( 'date_created', '' );
+        return false;
 
     }
 
     /**
-	 * Set date invoice due date.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+     * Set date invoice due date.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_due_date( $value ) {
+     */
+    public function set_due_date( $value ) {
         $date = strtotime( $value );
 
         if ( $date && $value !== '0000-00-00 00:00:00' ) {
@@ -2136,29 +2136,29 @@ 
             return true;
         }
 
-		$this->set_prop( 'due_date', '' );
+        $this->set_prop( 'due_date', '' );
         return false;
 
     }
 
     /**
-	 * Alias of self::set_due_date().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_date_due( $value ) {
-		$this->set_due_date( $value );
+     * Alias of self::set_due_date().
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_date_due( $value ) {
+        $this->set_due_date( $value );
     }
 
     /**
-	 * Set date invoice was completed.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+     * Set date invoice was completed.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_completed_date( $value ) {
+     */
+    public function set_completed_date( $value ) {
         $date = strtotime( $value );
 
         if ( $date && $value !== '0000-00-00 00:00:00'  ) {
@@ -2166,29 +2166,29 @@ 
             return true;
         }
 
-		$this->set_prop( 'completed_date', '' );
+        $this->set_prop( 'completed_date', '' );
         return false;
 
     }
 
     /**
-	 * Alias of self::set_completed_date().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_date_completed( $value ) {
-		$this->set_completed_date( $value );
+     * Alias of self::set_completed_date().
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_date_completed( $value ) {
+        $this->set_completed_date( $value );
     }
 
     /**
-	 * Set date when the invoice was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
+     * Set date when the invoice was last modified.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
      * @return bool Whether or not the date was set.
-	 */
-	public function set_date_modified( $value ) {
+     */
+    public function set_date_modified( $value ) {
         $date = strtotime( $value );
 
         if ( $date && $value !== '0000-00-00 00:00:00' ) {
@@ -2196,813 +2196,813 @@ 
             return true;
         }
 
-		$this->set_prop( 'date_modified', '' );
+        $this->set_prop( 'date_modified', '' );
         return false;
 
     }
 
     /**
-	 * Set the invoice number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New number.
-	 */
-	public function set_number( $value ) {
+     * Set the invoice number.
+     *
+     * @since 1.0.19
+     * @param  string $value New number.
+     */
+    public function set_number( $value ) {
         $number = sanitize_text_field( $value );
-		$this->set_prop( 'number', $number );
+        $this->set_prop( 'number', $number );
     }
 
     /**
-	 * Set the invoice type.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value Type.
-	 */
-	public function set_type( $value ) {
+     * Set the invoice type.
+     *
+     * @since 1.0.19
+     * @param  string $value Type.
+     */
+    public function set_type( $value ) {
         $type = sanitize_text_field( str_replace( 'wpi_', '', $value ) );
-		$this->set_prop( 'type', $type );
-	}
+        $this->set_prop( 'type', $type );
+    }
 
     /**
-	 * Set the invoice post type.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value Post type.
-	 */
-	public function set_post_type( $value ) {
+     * Set the invoice post type.
+     *
+     * @since 1.0.19
+     * @param  string $value Post type.
+     */
+    public function set_post_type( $value ) {
         if ( getpaid_is_invoice_post_type( $value ) ) {
-			$this->set_type( $value );
+            $this->set_type( $value );
             $this->set_prop( 'post_type', $value );
         }
     }
 
     /**
-	 * Set the invoice key.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New key.
-	 */
-	public function set_key( $value ) {
+     * Set the invoice key.
+     *
+     * @since 1.0.19
+     * @param  string $value New key.
+     */
+    public function set_key( $value ) {
         $key = sanitize_text_field( $value );
-		$this->set_prop( 'key', $key );
+        $this->set_prop( 'key', $key );
     }
 
     /**
-	 * Set the invoice mode.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value mode.
-	 */
-	public function set_mode( $value ) {
+     * Set the invoice mode.
+     *
+     * @since 1.0.19
+     * @param  string $value mode.
+     */
+    public function set_mode( $value ) {
         if ( in_array( $value, array( 'live', 'test' ) ) ) {
             $this->set_prop( 'mode', $value );
         }
     }
 
     /**
-	 * Set the invoice path.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value path.
-	 */
-	public function set_path( $value ) {
+     * Set the invoice path.
+     *
+     * @since 1.0.19
+     * @param  string $value path.
+     */
+    public function set_path( $value ) {
         $this->set_prop( 'path', $value );
     }
 
     /**
-	 * Set the invoice name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_name( $value ) {
+     * Set the invoice name.
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_name( $value ) {
         $name = sanitize_text_field( $value );
-		$this->set_prop( 'name', $name );
+        $this->set_prop( 'name', $name );
     }
 
     /**
-	 * Alias of self::set_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 */
-	public function set_title( $value ) {
-		$this->set_name( $value );
+     * Alias of self::set_name().
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     */
+    public function set_title( $value ) {
+        $this->set_name( $value );
     }
 
     /**
-	 * Set the invoice description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_description( $value ) {
+     * Set the invoice description.
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_description( $value ) {
         $description = wp_kses_post( $value );
-		$this->set_prop( 'description', $description );
+        $this->set_prop( 'description', $description );
+    }
+
+    /**
+     * Alias of self::set_description().
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_excerpt( $value ) {
+        $this->set_description( $value );
+    }
+
+    /**
+     * Alias of self::set_description().
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_summary( $value ) {
+        $this->set_description( $value );
+    }
+
+    /**
+     * Set the receiver of the invoice.
+     *
+     * @since 1.0.19
+     * @param  int $value New author.
+     */
+    public function set_author( $value ) {
+        $user = get_user_by( 'id', (int) $value );
+
+        if ( $user && $user->ID ) {
+            $this->set_prop( 'author', $user->ID );
+            $this->set_prop( 'email', $user->user_email );
+        }
+
+    }
+
+    /**
+     * Alias of self::set_author().
+     *
+     * @since 1.0.19
+     * @param  int $value New user id.
+     */
+    public function set_user_id( $value ) {
+        $this->set_author( $value );
+    }
+
+    /**
+     * Alias of self::set_author().
+     *
+     * @since 1.0.19
+     * @param  int $value New user id.
+     */
+    public function set_customer_id( $value ) {
+        $this->set_author( $value );
+    }
+
+    /**
+     * Set the customer's ip.
+     *
+     * @since 1.0.19
+     * @param  string $value ip address.
+     */
+    public function set_ip( $value ) {
+        $this->set_prop( 'ip', $value );
+    }
+
+    /**
+     * Alias of self::set_ip().
+     *
+     * @since 1.0.19
+     * @param  string $value ip address.
+     */
+    public function set_user_ip( $value ) {
+        $this->set_ip( $value );
+    }
+
+    /**
+     * Set the customer's first name.
+     *
+     * @since 1.0.19
+     * @param  string $value first name.
+     */
+    public function set_first_name( $value ) {
+        $this->set_prop( 'first_name', $value );
+    }
+
+    /**
+     * Alias of self::set_first_name().
+     *
+     * @since 1.0.19
+     * @param  string $value first name.
+     */
+    public function set_user_first_name( $value ) {
+        $this->set_first_name( $value );
+    }
+
+    /**
+     * Alias of self::set_first_name().
+     *
+     * @since 1.0.19
+     * @param  string $value first name.
+     */
+    public function set_customer_first_name( $value ) {
+        $this->set_first_name( $value );
+    }
+
+    /**
+     * Set the customer's last name.
+     *
+     * @since 1.0.19
+     * @param  string $value last name.
+     */
+    public function set_last_name( $value ) {
+        $this->set_prop( 'last_name', $value );
+    }
+
+    /**
+     * Alias of self::set_last_name().
+     *
+     * @since 1.0.19
+     * @param  string $value last name.
+     */
+    public function set_user_last_name( $value ) {
+        $this->set_last_name( $value );
+    }
+
+    /**
+     * Alias of self::set_last_name().
+     *
+     * @since 1.0.19
+     * @param  string $value last name.
+     */
+    public function set_customer_last_name( $value ) {
+        $this->set_last_name( $value );
+    }
+
+    /**
+     * Set the customer's phone number.
+     *
+     * @since 1.0.19
+     * @param  string $value phone.
+     */
+    public function set_phone( $value ) {
+        $this->set_prop( 'phone', $value );
     }
 
     /**
-	 * Alias of self::set_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_excerpt( $value ) {
-		$this->set_description( $value );
+     * Alias of self::set_phone().
+     *
+     * @since 1.0.19
+     * @param  string $value phone.
+     */
+    public function set_user_phone( $value ) {
+        $this->set_phone( $value );
     }
 
     /**
-	 * Alias of self::set_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_summary( $value ) {
-		$this->set_description( $value );
+     * Alias of self::set_phone().
+     *
+     * @since 1.0.19
+     * @param  string $value phone.
+     */
+    public function set_customer_phone( $value ) {
+        $this->set_phone( $value );
     }
 
     /**
-	 * Set the receiver of the invoice.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value New author.
-	 */
-	public function set_author( $value ) {
-		$user = get_user_by( 'id', (int) $value );
+     * Alias of self::set_phone().
+     *
+     * @since 1.0.19
+     * @param  string $value phone.
+     */
+    public function set_phone_number( $value ) {
+        $this->set_phone( $value );
+    }
 
-		if ( $user && $user->ID ) {
-			$this->set_prop( 'author', $user->ID );
-			$this->set_prop( 'email', $user->user_email );
-		}
+    /**
+     * Set the customer's email address.
+     *
+     * @since 1.0.19
+     * @param  string $value email address.
+     */
+    public function set_email( $value ) {
+        $this->set_prop( 'email', $value );
+    }
 
+    /**
+     * Alias of self::set_email().
+     *
+     * @since 1.0.19
+     * @param  string $value email address.
+     */
+    public function set_user_email( $value ) {
+        $this->set_email( $value );
     }
 
     /**
-	 * Alias of self::set_author().
-	 *
-	 * @since 1.0.19
-	 * @param  int $value New user id.
-	 */
-	public function set_user_id( $value ) {
-		$this->set_author( $value );
+     * Alias of self::set_email().
+     *
+     * @since 1.0.19
+     * @param  string $value email address.
+     */
+    public function set_email_address( $value ) {
+        $this->set_email( $value );
     }
 
     /**
-	 * Alias of self::set_author().
-	 *
-	 * @since 1.0.19
-	 * @param  int $value New user id.
-	 */
-	public function set_customer_id( $value ) {
-		$this->set_author( $value );
+     * Alias of self::set_email().
+     *
+     * @since 1.0.19
+     * @param  string $value email address.
+     */
+    public function set_customer_email( $value ) {
+        $this->set_email( $value );
     }
 
     /**
-	 * Set the customer's ip.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value ip address.
-	 */
-	public function set_ip( $value ) {
-		$this->set_prop( 'ip', $value );
+     * Set the customer's country.
+     *
+     * @since 1.0.19
+     * @param  string $value country.
+     */
+    public function set_country( $value ) {
+        $this->set_prop( 'country', $value );
     }
 
     /**
-	 * Alias of self::set_ip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value ip address.
-	 */
-	public function set_user_ip( $value ) {
-		$this->set_ip( $value );
+     * Alias of self::set_country().
+     *
+     * @since 1.0.19
+     * @param  string $value country.
+     */
+    public function set_user_country( $value ) {
+        $this->set_country( $value );
     }
 
     /**
-	 * Set the customer's first name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value first name.
-	 */
-	public function set_first_name( $value ) {
-		$this->set_prop( 'first_name', $value );
+     * Alias of self::set_country().
+     *
+     * @since 1.0.19
+     * @param  string $value country.
+     */
+    public function set_customer_country( $value ) {
+        $this->set_country( $value );
     }
 
     /**
-	 * Alias of self::set_first_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value first name.
-	 */
-	public function set_user_first_name( $value ) {
-		$this->set_first_name( $value );
+     * Set the customer's state.
+     *
+     * @since 1.0.19
+     * @param  string $value state.
+     */
+    public function set_state( $value ) {
+        $this->set_prop( 'state', $value );
     }
 
     /**
-	 * Alias of self::set_first_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value first name.
-	 */
-	public function set_customer_first_name( $value ) {
-		$this->set_first_name( $value );
+     * Alias of self::set_state().
+     *
+     * @since 1.0.19
+     * @param  string $value state.
+     */
+    public function set_user_state( $value ) {
+        $this->set_state( $value );
     }
 
     /**
-	 * Set the customer's last name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value last name.
-	 */
-	public function set_last_name( $value ) {
-		$this->set_prop( 'last_name', $value );
+     * Alias of self::set_state().
+     *
+     * @since 1.0.19
+     * @param  string $value state.
+     */
+    public function set_customer_state( $value ) {
+        $this->set_state( $value );
     }
 
     /**
-	 * Alias of self::set_last_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value last name.
-	 */
-	public function set_user_last_name( $value ) {
-		$this->set_last_name( $value );
+     * Set the customer's city.
+     *
+     * @since 1.0.19
+     * @param  string $value city.
+     */
+    public function set_city( $value ) {
+        $this->set_prop( 'city', $value );
     }
 
     /**
-	 * Alias of self::set_last_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value last name.
-	 */
-	public function set_customer_last_name( $value ) {
-		$this->set_last_name( $value );
+     * Alias of self::set_city().
+     *
+     * @since 1.0.19
+     * @param  string $value city.
+     */
+    public function set_user_city( $value ) {
+        $this->set_city( $value );
     }
 
     /**
-	 * Set the customer's phone number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value phone.
-	 */
-	public function set_phone( $value ) {
-		$this->set_prop( 'phone', $value );
+     * Alias of self::set_city().
+     *
+     * @since 1.0.19
+     * @param  string $value city.
+     */
+    public function set_customer_city( $value ) {
+        $this->set_city( $value );
     }
 
     /**
-	 * Alias of self::set_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value phone.
-	 */
-	public function set_user_phone( $value ) {
-		$this->set_phone( $value );
+     * Set the customer's zip code.
+     *
+     * @since 1.0.19
+     * @param  string $value zip.
+     */
+    public function set_zip( $value ) {
+        $this->set_prop( 'zip', $value );
     }
 
     /**
-	 * Alias of self::set_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value phone.
-	 */
-	public function set_customer_phone( $value ) {
-		$this->set_phone( $value );
+     * Alias of self::set_zip().
+     *
+     * @since 1.0.19
+     * @param  string $value zip.
+     */
+    public function set_user_zip( $value ) {
+        $this->set_zip( $value );
     }
 
     /**
-	 * Alias of self::set_phone().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value phone.
-	 */
-	public function set_phone_number( $value ) {
-		$this->set_phone( $value );
+     * Alias of self::set_zip().
+     *
+     * @since 1.0.19
+     * @param  string $value zip.
+     */
+    public function set_customer_zip( $value ) {
+        $this->set_zip( $value );
     }
 
     /**
-	 * Set the customer's email address.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value email address.
-	 */
-	public function set_email( $value ) {
-		$this->set_prop( 'email', $value );
+     * Set the customer's company.
+     *
+     * @since 1.0.19
+     * @param  string $value company.
+     */
+    public function set_company( $value ) {
+        $this->set_prop( 'company', $value );
     }
 
     /**
-	 * Alias of self::set_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value email address.
-	 */
-	public function set_user_email( $value ) {
-		$this->set_email( $value );
+     * Alias of self::set_company().
+     *
+     * @since 1.0.19
+     * @param  string $value company.
+     */
+    public function set_user_company( $value ) {
+        $this->set_company( $value );
     }
 
     /**
-	 * Alias of self::set_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value email address.
-	 */
-	public function set_email_address( $value ) {
-		$this->set_email( $value );
+     * Alias of self::set_company().
+     *
+     * @since 1.0.19
+     * @param  string $value company.
+     */
+    public function set_customer_company( $value ) {
+        $this->set_company( $value );
     }
 
     /**
-	 * Alias of self::set_email().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value email address.
-	 */
-	public function set_customer_email( $value ) {
-		$this->set_email( $value );
+     * Set the customer's company id.
+     *
+     * @since 1.0.19
+     * @param  string $value company id.
+     */
+    public function set_company_id( $value ) {
+        $this->set_prop( 'company_id', $value );
     }
 
     /**
-	 * Set the customer's country.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value country.
-	 */
-	public function set_country( $value ) {
-		$this->set_prop( 'country', $value );
+     * Set the customer's var number.
+     *
+     * @since 1.0.19
+     * @param  string $value var number.
+     */
+    public function set_vat_number( $value ) {
+        $this->set_prop( 'vat_number', $value );
     }
 
     /**
-	 * Alias of self::set_country().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value country.
-	 */
-	public function set_user_country( $value ) {
-		$this->set_country( $value );
+     * Alias of self::set_vat_number().
+     *
+     * @since 1.0.19
+     * @param  string $value var number.
+     */
+    public function set_user_vat_number( $value ) {
+        $this->set_vat_number( $value );
     }
 
     /**
-	 * Alias of self::set_country().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value country.
-	 */
-	public function set_customer_country( $value ) {
-		$this->set_country( $value );
+     * Alias of self::set_vat_number().
+     *
+     * @since 1.0.19
+     * @param  string $value var number.
+     */
+    public function set_customer_vat_number( $value ) {
+        $this->set_vat_number( $value );
     }
 
     /**
-	 * Set the customer's state.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value state.
-	 */
-	public function set_state( $value ) {
-		$this->set_prop( 'state', $value );
+     * Set the customer's vat rate.
+     *
+     * @since 1.0.19
+     * @param  string $value var rate.
+     */
+    public function set_vat_rate( $value ) {
+        $this->set_prop( 'vat_rate', $value );
     }
 
     /**
-	 * Alias of self::set_state().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value state.
-	 */
-	public function set_user_state( $value ) {
-		$this->set_state( $value );
+     * Alias of self::set_vat_rate().
+     *
+     * @since 1.0.19
+     * @param  string $value var number.
+     */
+    public function set_user_vat_rate( $value ) {
+        $this->set_vat_rate( $value );
     }
 
     /**
-	 * Alias of self::set_state().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value state.
-	 */
-	public function set_customer_state( $value ) {
-		$this->set_state( $value );
+     * Alias of self::set_vat_rate().
+     *
+     * @since 1.0.19
+     * @param  string $value var number.
+     */
+    public function set_customer_vat_rate( $value ) {
+        $this->set_vat_rate( $value );
     }
 
     /**
-	 * Set the customer's city.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value city.
-	 */
-	public function set_city( $value ) {
-		$this->set_prop( 'city', $value );
+     * Set the customer's address.
+     *
+     * @since 1.0.19
+     * @param  string $value address.
+     */
+    public function set_address( $value ) {
+        $this->set_prop( 'address', $value );
     }
 
     /**
-	 * Alias of self::set_city().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value city.
-	 */
-	public function set_user_city( $value ) {
-		$this->set_city( $value );
+     * Alias of self::set_address().
+     *
+     * @since 1.0.19
+     * @param  string $value address.
+     */
+    public function set_user_address( $value ) {
+        $this->set_address( $value );
     }
 
     /**
-	 * Alias of self::set_city().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value city.
-	 */
-	public function set_customer_city( $value ) {
-		$this->set_city( $value );
+     * Alias of self::set_address().
+     *
+     * @since 1.0.19
+     * @param  string $value address.
+     */
+    public function set_customer_address( $value ) {
+        $this->set_address( $value );
     }
 
     /**
-	 * Set the customer's zip code.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value zip.
-	 */
-	public function set_zip( $value ) {
-		$this->set_prop( 'zip', $value );
+     * Set whether the customer has viewed the invoice or not.
+     *
+     * @since 1.0.19
+     * @param  int|bool $value confirmed.
+     */
+    public function set_is_viewed( $value ) {
+        $this->set_prop( 'is_viewed', $value );
     }
 
     /**
-	 * Alias of self::set_zip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value zip.
-	 */
-	public function set_user_zip( $value ) {
-		$this->set_zip( $value );
+     * Set extra email recipients.
+     *
+     * @since 1.0.19
+     * @param  string $value email recipients.
+     */
+    public function set_email_cc( $value ) {
+        $this->set_prop( 'email_cc', $value );
     }
 
     /**
-	 * Alias of self::set_zip().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value zip.
-	 */
-	public function set_customer_zip( $value ) {
-		$this->set_zip( $value );
+     * Set the invoice template.
+     *
+     * @since 1.0.19
+     * @param  string $value template.
+     */
+    public function set_template( $value ) {
+        if ( in_array( $value, array( 'quantity', 'hours', 'amount' ) ) ) {
+            $this->set_prop( 'template', $value );
+        }
     }
 
     /**
-	 * Set the customer's company.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value company.
-	 */
-	public function set_company( $value ) {
-		$this->set_prop( 'company', $value );
+     * Set the invoice source.
+     *
+     * @since 1.0.19
+     * @param  string $value source.
+     * @deprecated
+     */
+    public function created_via( $value ) {
+        $this->set_created_via( sanitize_text_field( $value ) );
     }
 
     /**
-	 * Alias of self::set_company().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value company.
-	 */
-	public function set_user_company( $value ) {
-		$this->set_company( $value );
+     * Set the invoice source.
+     *
+     * @since 1.0.19
+     * @param  string $value source.
+     */
+    public function set_created_via( $value ) {
+        $this->set_prop( 'created_via', sanitize_text_field( $value ) );
     }
 
     /**
-	 * Alias of self::set_company().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value company.
-	 */
-	public function set_customer_company( $value ) {
-		$this->set_company( $value );
-    }
-
-	/**
-	 * Set the customer's company id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value company id.
-	 */
-	public function set_company_id( $value ) {
-		$this->set_prop( 'company_id', $value );
+     * Set the customer's address confirmed status.
+     *
+     * @since 1.0.19
+     * @param  int|bool $value confirmed.
+     */
+    public function set_address_confirmed( $value ) {
+        $this->set_prop( 'address_confirmed', $value );
     }
 
     /**
-	 * Set the customer's var number.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var number.
-	 */
-	public function set_vat_number( $value ) {
-		$this->set_prop( 'vat_number', $value );
+     * Alias of self::set_address_confirmed().
+     *
+     * @since 1.0.19
+     * @param  int|bool $value confirmed.
+     */
+    public function set_user_address_confirmed( $value ) {
+        $this->set_address_confirmed( $value );
     }
 
     /**
-	 * Alias of self::set_vat_number().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var number.
-	 */
-	public function set_user_vat_number( $value ) {
-		$this->set_vat_number( $value );
+     * Alias of self::set_address_confirmed().
+     *
+     * @since 1.0.19
+     * @param  int|bool $value confirmed.
+     */
+    public function set_customer_address_confirmed( $value ) {
+        $this->set_address_confirmed( $value );
     }
 
     /**
-	 * Alias of self::set_vat_number().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var number.
-	 */
-	public function set_customer_vat_number( $value ) {
-		$this->set_vat_number( $value );
+     * Set the shipping fee
+     *
+     * @since 1.0.19
+     * @param  float $value shipping amount.
+     */
+    public function set_shipping( $value ) {
+
+        if ( ! is_numeric( $value ) ) {
+            return $this->set_prop( 'shipping', null );
+        }
+
+        $this->set_prop( 'shipping', max( 0, floatval( $value ) ) );
     }
 
     /**
-	 * Set the customer's vat rate.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var rate.
-	 */
-	public function set_vat_rate( $value ) {
-		$this->set_prop( 'vat_rate', $value );
+     * Set the invoice sub total.
+     *
+     * @since 1.0.19
+     * @param  float $value sub total.
+     */
+    public function set_subtotal( $value ) {
+        $this->set_prop( 'subtotal', max( 0, $value ) );
     }
 
-    /**
-	 * Alias of self::set_vat_rate().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var number.
-	 */
-	public function set_user_vat_rate( $value ) {
-		$this->set_vat_rate( $value );
-    }
-
-    /**
-	 * Alias of self::set_vat_rate().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value var number.
-	 */
-	public function set_customer_vat_rate( $value ) {
-		$this->set_vat_rate( $value );
-    }
-
-    /**
-	 * Set the customer's address.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value address.
-	 */
-	public function set_address( $value ) {
-		$this->set_prop( 'address', $value );
-    }
-
-    /**
-	 * Alias of self::set_address().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value address.
-	 */
-	public function set_user_address( $value ) {
-		$this->set_address( $value );
-    }
-
-    /**
-	 * Alias of self::set_address().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value address.
-	 */
-	public function set_customer_address( $value ) {
-		$this->set_address( $value );
-    }
-
-    /**
-	 * Set whether the customer has viewed the invoice or not.
-	 *
-	 * @since 1.0.19
-	 * @param  int|bool $value confirmed.
-	 */
-	public function set_is_viewed( $value ) {
-		$this->set_prop( 'is_viewed', $value );
-	}
-
-	/**
-	 * Set extra email recipients.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value email recipients.
-	 */
-	public function set_email_cc( $value ) {
-		$this->set_prop( 'email_cc', $value );
-	}
-
-	/**
-	 * Set the invoice template.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value template.
-	 */
-	public function set_template( $value ) {
-		if ( in_array( $value, array( 'quantity', 'hours', 'amount' ) ) ) {
-			$this->set_prop( 'template', $value );
-		}
-	}
-
-	/**
-	 * Set the invoice source.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value source.
-	 * @deprecated
-	 */
-	public function created_via( $value ) {
-		$this->set_created_via( sanitize_text_field( $value ) );
-	}
-
-	/**
-	 * Set the invoice source.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value source.
-	 */
-	public function set_created_via( $value ) {
-		$this->set_prop( 'created_via', sanitize_text_field( $value ) );
-	}
-
-	/**
-	 * Set the customer's address confirmed status.
-	 *
-	 * @since 1.0.19
-	 * @param  int|bool $value confirmed.
-	 */
-	public function set_address_confirmed( $value ) {
-		$this->set_prop( 'address_confirmed', $value );
-    }
-
-    /**
-	 * Alias of self::set_address_confirmed().
-	 *
-	 * @since 1.0.19
-	 * @param  int|bool $value confirmed.
-	 */
-	public function set_user_address_confirmed( $value ) {
-		$this->set_address_confirmed( $value );
-    }
-
-    /**
-	 * Alias of self::set_address_confirmed().
-	 *
-	 * @since 1.0.19
-	 * @param  int|bool $value confirmed.
-	 */
-	public function set_customer_address_confirmed( $value ) {
-		$this->set_address_confirmed( $value );
-    }
-
-    /**
-	 * Set the shipping fee
-	 *
-	 * @since 1.0.19
-	 * @param  float $value shipping amount.
-	 */
-	public function set_shipping( $value ) {
-
-		if ( ! is_numeric( $value ) ) {
-			return $this->set_prop( 'shipping', null );
-		}
-
-		$this->set_prop( 'shipping', max( 0, floatval( $value ) ) );
-	}
-
-	/**
-	 * Set the invoice sub total.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value sub total.
-	 */
-	public function set_subtotal( $value ) {
-		$this->set_prop( 'subtotal', max( 0, $value ) );
-	}
-
-	/**
-	 * Set the invoice total.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value sub total.
-	 */
-	public function set_total( $value ) {
-		$this->set_prop( 'total', max( 0, $value ) );
+    /**
+     * Set the invoice total.
+     *
+     * @since 1.0.19
+     * @param  float $value sub total.
+     */
+    public function set_total( $value ) {
+        $this->set_prop( 'total', max( 0, $value ) );
     }
 
     /**
-	 * Set the invoice discount amount.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value discount total.
-	 */
-	public function set_total_discount( $value ) {
-		$this->set_prop( 'total_discount', max( 0, $value ) );
+     * Set the invoice discount amount.
+     *
+     * @since 1.0.19
+     * @param  float $value discount total.
+     */
+    public function set_total_discount( $value ) {
+        $this->set_prop( 'total_discount', max( 0, $value ) );
     }
 
     /**
-	 * Alias of self::set_total_discount().
-	 *
-	 * @since 1.0.19
-	 * @param  float $value discount total.
-	 */
-	public function set_discount( $value ) {
-		$this->set_total_discount( $value );
+     * Alias of self::set_total_discount().
+     *
+     * @since 1.0.19
+     * @param  float $value discount total.
+     */
+    public function set_discount( $value ) {
+        $this->set_total_discount( $value );
     }
 
     /**
-	 * Set the invoice tax amount.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value tax total.
-	 */
-	public function set_total_tax( $value ) {
-		$this->set_prop( 'total_tax', max( 0, $value ) );
+     * Set the invoice tax amount.
+     *
+     * @since 1.0.19
+     * @param  float $value tax total.
+     */
+    public function set_total_tax( $value ) {
+        $this->set_prop( 'total_tax', max( 0, $value ) );
     }
 
     /**
-	 * Alias of self::set_total_tax().
-	 *
-	 * @since 1.0.19
-	 * @param  float $value tax total.
-	 */
-	public function set_tax_total( $value ) {
-		$this->set_total_tax( $value );
+     * Alias of self::set_total_tax().
+     *
+     * @since 1.0.19
+     * @param  float $value tax total.
+     */
+    public function set_tax_total( $value ) {
+        $this->set_total_tax( $value );
     }
 
     /**
-	 * Set the invoice fees amount.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value fees total.
-	 */
-	public function set_total_fees( $value ) {
-		$this->set_prop( 'total_fees', max( 0, $value ) );
+     * Set the invoice fees amount.
+     *
+     * @since 1.0.19
+     * @param  float $value fees total.
+     */
+    public function set_total_fees( $value ) {
+        $this->set_prop( 'total_fees', max( 0, $value ) );
     }
 
     /**
-	 * Alias of self::set_total_fees().
-	 *
-	 * @since 1.0.19
-	 * @param  float $value fees total.
-	 */
-	public function set_fees_total( $value ) {
-		$this->set_total_fees( $value );
+     * Alias of self::set_total_fees().
+     *
+     * @since 1.0.19
+     * @param  float $value fees total.
+     */
+    public function set_fees_total( $value ) {
+        $this->set_total_fees( $value );
     }
 
     /**
-	 * Set the invoice fees.
-	 *
-	 * @since 1.0.19
-	 * @param  array $value fees.
-	 */
-	public function set_fees( $value ) {
+     * Set the invoice fees.
+     *
+     * @since 1.0.19
+     * @param  array $value fees.
+     */
+    public function set_fees( $value ) {
 
-		if ( ! is_array( $value ) ) {
-			$value = array();
-		}
+        if ( ! is_array( $value ) ) {
+            $value = array();
+        }
 
-		$this->set_prop( 'fees', $value );
+        $this->set_prop( 'fees', $value );
 
     }
 
     /**
-	 * Set the invoice taxes.
-	 *
-	 * @since 1.0.19
-	 * @param  array $value taxes.
-	 */
-	public function set_taxes( $value ) {
+     * Set the invoice taxes.
+     *
+     * @since 1.0.19
+     * @param  array $value taxes.
+     */
+    public function set_taxes( $value ) {
 
-		if ( ! is_array( $value ) ) {
-			$value = array();
-		}
+        if ( ! is_array( $value ) ) {
+            $value = array();
+        }
 
-		$this->set_prop( 'taxes', $value );
+        $this->set_prop( 'taxes', $value );
 
     }
 
     /**
-	 * Set the invoice discounts.
-	 *
-	 * @since 1.0.19
-	 * @param  array $value discounts.
-	 */
-	public function set_discounts( $value ) {
+     * Set the invoice discounts.
+     *
+     * @since 1.0.19
+     * @param  array $value discounts.
+     */
+    public function set_discounts( $value ) {
 
-		if ( ! is_array( $value ) ) {
-			$value = array();
-		}
+        if ( ! is_array( $value ) ) {
+            $value = array();
+        }
 
-		$this->set_prop( 'discounts', $value );
+        $this->set_prop( 'discounts', $value );
     }
 
     /**
-	 * Set the invoice items.
-	 *
-	 * @since 1.0.19
-	 * @param  GetPaid_Form_Item[] $value items.
-	 */
-	public function set_items( $value ) {
+     * Set the invoice items.
+     *
+     * @since 1.0.19
+     * @param  GetPaid_Form_Item[] $value items.
+     */
+    public function set_items( $value ) {
 
         // Remove existing items.
         $this->set_prop( 'items', array() );
-		$this->recurring_item = null;
+        $this->recurring_item = null;
 
         // Ensure that we have an array.
         if ( ! is_array( $value ) ) {
@@ -3016,95 +3016,95 @@ 
     }
 
     /**
-	 * Set the payment form.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value payment form.
-	 */
-	public function set_payment_form( $value ) {
-		$this->set_prop( 'payment_form', $value );
+     * Set the payment form.
+     *
+     * @since 1.0.19
+     * @param  int $value payment form.
+     */
+    public function set_payment_form( $value ) {
+        $this->set_prop( 'payment_form', $value );
     }
 
     /**
-	 * Set the submission id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value submission id.
-	 */
-	public function set_submission_id( $value ) {
-		$this->set_prop( 'submission_id', $value );
+     * Set the submission id.
+     *
+     * @since 1.0.19
+     * @param  string $value submission id.
+     */
+    public function set_submission_id( $value ) {
+        $this->set_prop( 'submission_id', $value );
     }
 
     /**
-	 * Set the discount code.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value discount code.
-	 */
-	public function set_discount_code( $value ) {
-		$this->set_prop( 'discount_code', sanitize_text_field( $value ) );
+     * Set the discount code.
+     *
+     * @since 1.0.19
+     * @param  string $value discount code.
+     */
+    public function set_discount_code( $value ) {
+        $this->set_prop( 'discount_code', sanitize_text_field( $value ) );
     }
 
     /**
-	 * Set the gateway.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value gateway.
-	 */
-	public function set_gateway( $value ) {
-		$this->set_prop( 'gateway', $value );
+     * Set the gateway.
+     *
+     * @since 1.0.19
+     * @param  string $value gateway.
+     */
+    public function set_gateway( $value ) {
+        $this->set_prop( 'gateway', $value );
     }
 
     /**
-	 * Set the transaction id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value transaction id.
-	 */
-	public function set_transaction_id( $value ) {
-		if ( ! empty( $value ) ) {
-			$this->set_prop( 'transaction_id', $value );
-		}
+     * Set the transaction id.
+     *
+     * @since 1.0.19
+     * @param  string $value transaction id.
+     */
+    public function set_transaction_id( $value ) {
+        if ( ! empty( $value ) ) {
+            $this->set_prop( 'transaction_id', $value );
+        }
     }
 
     /**
-	 * Set the currency id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value currency id.
-	 */
-	public function set_currency( $value ) {
-		$this->set_prop( 'currency', $value );
+     * Set the currency id.
+     *
+     * @since 1.0.19
+     * @param  string $value currency id.
+     */
+    public function set_currency( $value ) {
+        $this->set_prop( 'currency', $value );
     }
 
-	/**
-	 * Set whether to disable taxes.
-	 *
-	 * @since 1.0.19
-	 * @param  bool $value value.
-	 */
-	public function set_disable_taxes( $value ) {
-		$this->set_prop( 'disable_taxes', (bool) $value );
-	}
+    /**
+     * Set whether to disable taxes.
+     *
+     * @since 1.0.19
+     * @param  bool $value value.
+     */
+    public function set_disable_taxes( $value ) {
+        $this->set_prop( 'disable_taxes', (bool) $value );
+    }
 
     /**
-	 * Set the subscription id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value subscription id.
-	 */
-	public function set_subscription_id( $value ) {
-		$this->set_prop( 'subscription_id', $value );
-	}
+     * Set the subscription id.
+     *
+     * @since 1.0.19
+     * @param  string $value subscription id.
+     */
+    public function set_subscription_id( $value ) {
+        $this->set_prop( 'subscription_id', $value );
+    }
 	
-	/**
-	 * Set the remote subscription id.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value subscription id.
-	 */
-	public function set_remote_subscription_id( $value ) {
-		$this->set_prop( 'remote_subscription_id', $value );
+    /**
+     * Set the remote subscription id.
+     *
+     * @since 1.0.19
+     * @param  string $value subscription id.
+     */
+    public function set_remote_subscription_id( $value ) {
+        $this->set_prop( 'remote_subscription_id', $value );
     }
 
     /*
@@ -3143,24 +3143,24 @@ 
      */
     public function is_taxable() {
         return ! $this->get_disable_taxes();
-	}
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function has_vat() {
+    /**
+     * @deprecated
+     */
+    public function has_vat() {
         return $this->is_taxable();
-	}
+    }
 
-	/**
-	 * Checks to see if the invoice requires payment.
-	 */
-	public function is_free() {
+    /**
+     * Checks to see if the invoice requires payment.
+     */
+    public function is_free() {
         $is_free = ( (float) wpinv_round_amount( $this->get_initial_total() ) == 0 );
 
-		if ( $this->is_recurring() && $this->get_recurring_total() > 0 ) {
-			$is_free = false;
-		}
+        if ( $this->is_recurring() && $this->get_recurring_total() > 0 ) {
+            $is_free = false;
+        }
 
         return apply_filters( 'wpinv_invoice_is_free', $is_free, $this );
     }
@@ -3171,46 +3171,46 @@ 
     public function is_paid() {
         $is_paid = $this->has_status( array( 'publish', 'wpi-processing', 'wpi-renewal' ) );
         return apply_filters( 'wpinv_invoice_is_paid', $is_paid, $this );
-	}
+    }
 
-	/**
+    /**
      * Checks if the invoice needs payment.
      */
-	public function needs_payment() {
-		$needs_payment = ! $this->is_paid() && ! $this->is_refunded() && ! $this->is_free();
+    public function needs_payment() {
+        $needs_payment = ! $this->is_paid() && ! $this->is_refunded() && ! $this->is_free();
         return apply_filters( 'wpinv_needs_payment', $needs_payment, $this );
     }
   
-	/**
+    /**
      * Checks if the invoice is refunded.
      */
-	public function is_refunded() {
+    public function is_refunded() {
         $is_refunded = $this->has_status( 'wpi-refunded' );
         return apply_filters( 'wpinv_invoice_is_refunded', $is_refunded, $this );
-	}
+    }
 
-	/**
+    /**
      * Checks if the invoice is held.
      */
-	public function is_held() {
+    public function is_held() {
         $is_held = $this->has_status( 'wpi-onhold' );
         return apply_filters( 'wpinv_invoice_is_held', $is_held, $this );
-	}
+    }
 
-	/**
+    /**
      * Checks if the invoice is due.
      */
-	public function is_due() {
-		$due_date = $this->get_due_date();
-		return empty( $due_date ) ? false : current_time( 'timestamp' ) > strtotime( $due_date );
-	}
+    public function is_due() {
+        $due_date = $this->get_due_date();
+        return empty( $due_date ) ? false : current_time( 'timestamp' ) > strtotime( $due_date );
+    }
 
-	/**
+    /**
      * Checks if the invoice is draft.
      */
-	public function is_draft() {
+    public function is_draft() {
         return $this->has_status( 'draft, auto-draft' );
-	}
+    }
 
     /**
      * Checks if the invoice has a given status.
@@ -3218,9 +3218,9 @@ 
     public function has_status( $status ) {
         $status = wpinv_parse_list( $status );
         return apply_filters( 'wpinv_has_status', in_array( $this->get_status(), $status ), $status );
-	}
+    }
 
-	/**
+    /**
      * Checks if the invoice is of a given type.
      */
     public function is_type( $type ) {
@@ -3243,25 +3243,25 @@ 
      */
     public function has_free_trial() {
         return $this->is_recurring() && 0 == $this->get_initial_total();
-	}
+    }
 
-	/**
+    /**
      * @deprecated
      */
     public function is_free_trial() {
         $this->has_free_trial();
     }
 
-	/**
+    /**
      * Check if the initial payment if 0.
      *
      */
-	public function is_initial_free() {
+    public function is_initial_free() {
         $is_initial_free = ! ( (float) wpinv_round_amount( $this->get_initial_total() ) > 0 );
         return apply_filters( 'wpinv_invoice_is_initial_free', $is_initial_free, $this->get_cart_details(), $this );
     }
 	
-	/**
+    /**
      * Check if the recurring item has a free trial.
      *
      */
@@ -3274,21 +3274,21 @@ 
 
         $item = $this->get_recurring( true );
         return $item->has_free_trial();
-	}
+    }
 
-	/**
+    /**
      * Check if the free trial is a result of a discount.
      */
     public function is_free_trial_from_discount() {
-		return $this->has_free_trial() && ! $this->item_has_free_trial();
-	}
+        return $this->has_free_trial() && ! $this->item_has_free_trial();
+    }
 	
-	/**
+    /**
      * @deprecated
      */
     public function discount_first_payment_only() {
 
-		$discount = wpinv_get_discount_obj( $this->get_discount_code() );
+        $discount = wpinv_get_discount_obj( $this->get_discount_code() );
         if ( ! $discount->exists() || ! $this->is_recurring() ) {
             return true;
         }
@@ -3313,147 +3313,147 @@ 
      */
     public function add_item( $item ) {
 
-		if ( is_array( $item ) ) {
-			$item = $this->process_array_item( $item );
-		}
+        if ( is_array( $item ) ) {
+            $item = $this->process_array_item( $item );
+        }
 
-		if ( is_numeric( $item ) ) {
-			$item = new GetPaid_Form_Item( $item );
-		}
+        if ( is_numeric( $item ) ) {
+            $item = new GetPaid_Form_Item( $item );
+        }
 
         // Make sure that it is available for purchase.
-		if ( $item->get_id() > 0 && ! $item->can_purchase() ) {
-			return new WP_Error( 'invalid_item', __( 'This item is not available for purchase', 'invoicing' ) );
+        if ( $item->get_id() > 0 && ! $item->can_purchase() ) {
+            return new WP_Error( 'invalid_item', __( 'This item is not available for purchase', 'invoicing' ) );
         }
 
         // Do we have a recurring item?
-		if ( $item->is_recurring() ) {
-			$this->recurring_item = $item->get_id();
+        if ( $item->is_recurring() ) {
+            $this->recurring_item = $item->get_id();
         }
 
         // Invoice id.
         $item->invoice_id = (int) $this->get_id();
 
-		// Remove duplicates.
-		$this->remove_item( $item->get_id() );
+        // Remove duplicates.
+        $this->remove_item( $item->get_id() );
 
-		if ( 0 == $item->get_quantity() ) {
-			return;
-		}
+        if ( 0 == $item->get_quantity() ) {
+            return;
+        }
 
-		// Retrieve all items.
+        // Retrieve all items.
         $items   = $this->get_items();
 
-		// Add new item.
+        // Add new item.
         $items[] = $item;
 
         $this->set_prop( 'items', $items );
 
-		return true;
-	}
+        return true;
+    }
 
-	/**
-	 * Converts an array to an item.
-	 *
-	 * @since 1.0.19
-	 * @return GetPaid_Form_Item
-	 */
-	protected function process_array_item( $array ) {
+    /**
+     * Converts an array to an item.
+     *
+     * @since 1.0.19
+     * @return GetPaid_Form_Item
+     */
+    protected function process_array_item( $array ) {
 
-		$item_id = isset( $array['item_id'] ) ? $array['item_id'] : 0;
-		$item    = new GetPaid_Form_Item( $item_id );
+        $item_id = isset( $array['item_id'] ) ? $array['item_id'] : 0;
+        $item    = new GetPaid_Form_Item( $item_id );
 
-		// Set item data.
-		foreach ( array( 'name', 'price', 'description' ) as $key ) {
-			if ( isset( $array[ "item_$key" ] ) ) {
-				$method = "set_$key";
-				$item->$method( $array[ "item_$key" ] );
-			}
-		}
+        // Set item data.
+        foreach ( array( 'name', 'price', 'description' ) as $key ) {
+            if ( isset( $array[ "item_$key" ] ) ) {
+                $method = "set_$key";
+                $item->$method( $array[ "item_$key" ] );
+            }
+        }
 
-		if ( isset( $array['quantity'] ) ) {
-			$item->set_quantity( $array['quantity'] );
-		}
+        if ( isset( $array['quantity'] ) ) {
+            $item->set_quantity( $array['quantity'] );
+        }
 
-		// Set item meta.
-		if ( isset( $array['meta'] ) && is_array( $array['meta'] ) ) {
-			$item->set_item_meta( $array['meta'] );
-		}
+        // Set item meta.
+        if ( isset( $array['meta'] ) && is_array( $array['meta'] ) ) {
+            $item->set_item_meta( $array['meta'] );
+        }
 
-		return $item;
+        return $item;
 
-	}
+    }
 
     /**
-	 * Retrieves a specific item.
-	 *
-	 * @since 1.0.19
-	 * @return GetPaid_Form_Item|null
-	 */
-	public function get_item( $item_id ) {
+     * Retrieves a specific item.
+     *
+     * @since 1.0.19
+     * @return GetPaid_Form_Item|null
+     */
+    public function get_item( $item_id ) {
 
-		foreach ( $this->get_items() as $item ) {
-			if ( (int) $item_id == $item->get_id() ) {
-				return $item;
-			}
-		}
+        foreach ( $this->get_items() as $item ) {
+            if ( (int) $item_id == $item->get_id() ) {
+                return $item;
+            }
+        }
 
-		return null;
+        return null;
     }
 
     /**
-	 * Removes a specific item.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_item( $item_id ) {
-		$items   = $this->get_items();
-		$item_id = (int) $item_id;
+     * Removes a specific item.
+     *
+     * @since 1.0.19
+     */
+    public function remove_item( $item_id ) {
+        $items   = $this->get_items();
+        $item_id = (int) $item_id;
 
-		foreach ( $items as $index => $item ) {
-			if ( (int) $item_id == $item->get_id() ) {
-				unset( $items[ $index ] );
-				$this->set_prop( 'items', $items );
+        foreach ( $items as $index => $item ) {
+            if ( (int) $item_id == $item->get_id() ) {
+                unset( $items[ $index ] );
+                $this->set_prop( 'items', $items );
 
-				if ( $item_id == $this->recurring_item ) {
-					$this->recurring_item = null;
-				}
+                if ( $item_id == $this->recurring_item ) {
+                    $this->recurring_item = null;
+                }
 
-			}
-		}
+            }
+        }
 
     }
 
     /**
-	 * Adds a fee to the invoice.
-	 *
-	 * @param array $fee An array of fee details. name, initial_fee, and recurring_fee are required.
-	 * @since 1.0.19
-	 */
+     * Adds a fee to the invoice.
+     *
+     * @param array $fee An array of fee details. name, initial_fee, and recurring_fee are required.
+     * @since 1.0.19
+     */
     public function add_fee( $fee ) {
 
-		$fees                 = $this->get_fees();
-		$fees[ $fee['name'] ] = $fee;
-		$this->set_prop( 'fees', $fees );
+        $fees                 = $this->get_fees();
+        $fees[ $fee['name'] ] = $fee;
+        $this->set_prop( 'fees', $fees );
 
     }
 
     /**
-	 * Retrieves a specific fee.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_fee( $fee ) {
+     * Retrieves a specific fee.
+     *
+     * @since 1.0.19
+     */
+    public function get_fee( $fee ) {
         $fees = $this->get_fees();
-		return isset( $fees[ $fee ] ) ? $fees[ $fee ] : null;
+        return isset( $fees[ $fee ] ) ? $fees[ $fee ] : null;
     }
 
     /**
-	 * Removes a specific fee.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_fee( $fee ) {
+     * Removes a specific fee.
+     *
+     * @since 1.0.19
+     */
+    public function remove_fee( $fee ) {
         $fees = $this->get_fees();
         if ( isset( $fees[ $fee ] ) ) {
             unset( $fees[ $fee ] );
@@ -3461,55 +3461,55 @@ 
         }
     }
 
-	/**
-	 * Adds a discount to the invoice.
-	 *
-	 * @param array $discount An array of discount details. name, initial_discount, and recurring_discount are required. Include discount_code if the discount is from a discount code.
-	 * @since 1.0.19
-	 */
-	public function add_discount( $discount ) {
+    /**
+     * Adds a discount to the invoice.
+     *
+     * @param array $discount An array of discount details. name, initial_discount, and recurring_discount are required. Include discount_code if the discount is from a discount code.
+     * @since 1.0.19
+     */
+    public function add_discount( $discount ) {
 
-		$discounts = $this->get_discounts();
-		$discounts[ $discount['name'] ] = $discount;
-		$this->set_prop( 'discounts', $discounts );
+        $discounts = $this->get_discounts();
+        $discounts[ $discount['name'] ] = $discount;
+        $this->set_prop( 'discounts', $discounts );
 
-	}
+    }
 
     /**
-	 * Retrieves a specific discount.
-	 *
-	 * @since 1.0.19
-	 * @return float
-	 */
-	public function get_discount( $discount = false ) {
+     * Retrieves a specific discount.
+     *
+     * @since 1.0.19
+     * @return float
+     */
+    public function get_discount( $discount = false ) {
 
-		// Backwards compatibilty.
-		if ( empty( $discount ) ) {
-			return $this->get_total_discount();
-		}
+        // Backwards compatibilty.
+        if ( empty( $discount ) ) {
+            return $this->get_total_discount();
+        }
 
         $discounts = $this->get_discounts();
-		return isset( $discounts[ $discount ] ) ? $discounts[ $discount ] : null;
+        return isset( $discounts[ $discount ] ) ? $discounts[ $discount ] : null;
     }
 
     /**
-	 * Removes a specific discount.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_discount( $discount ) {
+     * Removes a specific discount.
+     *
+     * @since 1.0.19
+     */
+    public function remove_discount( $discount ) {
         $discounts = $this->get_discounts();
         if ( isset( $discounts[ $discount ] ) ) {
             unset( $discounts[ $discount ] );
             $this->set_prop( 'discounts', $discounts );
         }
 
-		if ( 'discount_code' == $discount ) {
-			foreach ( $this->get_items() as $item ) {
-				$item->item_discount           = 0;
-				$item->recurring_item_discount = 0;
-			}
-		}
+        if ( 'discount_code' == $discount ) {
+            foreach ( $this->get_items() as $item ) {
+                $item->item_discount           = 0;
+                $item->recurring_item_discount = 0;
+            }
+        }
 
     }
 
@@ -3522,34 +3522,34 @@ 
         if ( $this->is_taxable() ) {
 
             $taxes                 = $this->get_taxes();
-			$taxes[ $tax['name'] ] = $tax;
-			$this->set_prop( 'taxes', $tax );
+            $taxes[ $tax['name'] ] = $tax;
+            $this->set_prop( 'taxes', $tax );
 
         }
     }
 
     /**
-	 * Retrieves a specific tax.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_tax( $tax = null ) {
+     * Retrieves a specific tax.
+     *
+     * @since 1.0.19
+     */
+    public function get_tax( $tax = null ) {
 
-		// Backwards compatility.
-		if ( empty( $tax ) ) {
-			return $this->get_total_tax();
-		}
+        // Backwards compatility.
+        if ( empty( $tax ) ) {
+            return $this->get_total_tax();
+        }
 
         $taxes = $this->get_taxes();
-		return isset( $taxes[ $tax ] ) ? $taxes[ $tax ] : null;
+        return isset( $taxes[ $tax ] ) ? $taxes[ $tax ] : null;
     }
 
     /**
-	 * Removes a specific tax.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_tax( $tax ) {
+     * Removes a specific tax.
+     *
+     * @since 1.0.19
+     */
+    public function remove_tax( $tax ) {
         $taxes = $this->get_taxes();
         if ( isset( $taxes[ $tax ] ) ) {
             unset( $taxes[ $tax ] );
@@ -3558,185 +3558,185 @@ 
     }
 
     /**
-	 * Recalculates the invoice subtotal.
-	 *
-	 * @since 1.0.19
-	 * @return float The recalculated subtotal
-	 */
-	public function recalculate_subtotal() {
+     * Recalculates the invoice subtotal.
+     *
+     * @since 1.0.19
+     * @return float The recalculated subtotal
+     */
+    public function recalculate_subtotal() {
         $items     = $this->get_items();
-		$subtotal  = 0;
-		$recurring = 0;
+        $subtotal  = 0;
+        $recurring = 0;
 
         foreach ( $items as $item ) {
-			$subtotal  += $item->get_sub_total( 'edit' );
-			$recurring += $item->get_recurring_sub_total( 'edit' );
+            $subtotal  += $item->get_sub_total( 'edit' );
+            $recurring += $item->get_recurring_sub_total( 'edit' );
         }
 
-		if ( wpinv_prices_include_tax() ) {
-			$subtotal  = max( 0, $subtotal - $this->totals['tax']['initial'] );
-			$recurring = max( 0, $recurring - $this->totals['tax']['recurring'] );
-		}
+        if ( wpinv_prices_include_tax() ) {
+            $subtotal  = max( 0, $subtotal - $this->totals['tax']['initial'] );
+            $recurring = max( 0, $recurring - $this->totals['tax']['recurring'] );
+        }
 
-		$current = $this->is_renewal() ? $recurring : $subtotal;
-		$this->set_subtotal( $current );
+        $current = $this->is_renewal() ? $recurring : $subtotal;
+        $this->set_subtotal( $current );
 
-		$this->totals['subtotal'] = array(
-			'initial'   => $subtotal,
-			'recurring' => $recurring,
-		);
+        $this->totals['subtotal'] = array(
+            'initial'   => $subtotal,
+            'recurring' => $recurring,
+        );
 
         return $current;
     }
 
     /**
-	 * Recalculates the invoice discount total.
-	 *
-	 * @since 1.0.19
-	 * @return float The recalculated discount
-	 */
-	public function recalculate_total_discount() {
+     * Recalculates the invoice discount total.
+     *
+     * @since 1.0.19
+     * @return float The recalculated discount
+     */
+    public function recalculate_total_discount() {
         $discounts = $this->get_discounts();
-		$discount  = 0;
-		$recurring = 0;
+        $discount  = 0;
+        $recurring = 0;
 
         foreach ( $discounts as $data ) {
-			$discount  += wpinv_sanitize_amount( $data['initial_discount'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_discount'] );
-		}
+            $discount  += wpinv_sanitize_amount( $data['initial_discount'] );
+            $recurring += wpinv_sanitize_amount( $data['recurring_discount'] );
+        }
 
-		$current = $this->is_renewal() ? $recurring : $discount;
+        $current = $this->is_renewal() ? $recurring : $discount;
 
-		$this->set_total_discount( $current );
+        $this->set_total_discount( $current );
 
-		$this->totals['discount'] = array(
-			'initial'   => $discount,
-			'recurring' => $recurring,
-		);
+        $this->totals['discount'] = array(
+            'initial'   => $discount,
+            'recurring' => $recurring,
+        );
 
-		return $current;
+        return $current;
 
     }
 
     /**
-	 * Recalculates the invoice tax total.
-	 *
-	 * @since 1.0.19
-	 * @return float The recalculated tax
-	 */
-	public function recalculate_total_tax() {
+     * Recalculates the invoice tax total.
+     *
+     * @since 1.0.19
+     * @return float The recalculated tax
+     */
+    public function recalculate_total_tax() {
 
-		// Maybe disable taxes.
-		$vat_number = $this->get_vat_number();
-		$skip_tax   = GetPaid_Payment_Form_Submission_Taxes::is_eu_transaction( $this->get_country() ) && ! empty( $vat_number );
+        // Maybe disable taxes.
+        $vat_number = $this->get_vat_number();
+        $skip_tax   = GetPaid_Payment_Form_Submission_Taxes::is_eu_transaction( $this->get_country() ) && ! empty( $vat_number );
 
-		if ( wpinv_is_base_country( $this->get_country() ) && 'vat_too' == wpinv_get_option( 'vat_same_country_rule', 'vat_too' ) ) {
-			$skip_tax = false;
-		}
+        if ( wpinv_is_base_country( $this->get_country() ) && 'vat_too' == wpinv_get_option( 'vat_same_country_rule', 'vat_too' ) ) {
+            $skip_tax = false;
+        }
 
-		if ( ! wpinv_use_taxes() || $this->get_disable_taxes() || ! wpinv_is_country_taxable( $this->get_country() ) || $skip_tax   ) {
+        if ( ! wpinv_use_taxes() || $this->get_disable_taxes() || ! wpinv_is_country_taxable( $this->get_country() ) || $skip_tax   ) {
 
-			$this->totals['tax'] = array(
-				'initial'   => 0,
-				'recurring' => 0,
-			);
+            $this->totals['tax'] = array(
+                'initial'   => 0,
+                'recurring' => 0,
+            );
 
-			$this->tax_rate = 0;
+            $this->tax_rate = 0;
 
-			$this->set_taxes( array() );
-			$current = 0;
-		} else {
+            $this->set_taxes( array() );
+            $current = 0;
+        } else {
 
-			$item_taxes = array();
+            $item_taxes = array();
 
-			foreach ( $this->get_items() as $item ) {
-				$rates    = getpaid_get_item_tax_rates( $item, $this->get_country(), $this->get_state() );
-				$rates    = getpaid_filter_item_tax_rates( $item, $rates );
-				$taxes    = getpaid_calculate_item_taxes( getpaid_get_taxable_amount( $item, false ), $rates );
-				$r_taxes  = getpaid_calculate_item_taxes( getpaid_get_taxable_amount( $item, true ), $rates );
-				foreach ( $taxes as $name => $amount ) {
-					$recurring = isset( $r_taxes[ $name ] ) ? $r_taxes[ $name ] : 0;
-					$tax       = getpaid_prepare_item_tax( $item, $name, $amount, $recurring );
+            foreach ( $this->get_items() as $item ) {
+                $rates    = getpaid_get_item_tax_rates( $item, $this->get_country(), $this->get_state() );
+                $rates    = getpaid_filter_item_tax_rates( $item, $rates );
+                $taxes    = getpaid_calculate_item_taxes( getpaid_get_taxable_amount( $item, false ), $rates );
+                $r_taxes  = getpaid_calculate_item_taxes( getpaid_get_taxable_amount( $item, true ), $rates );
+                foreach ( $taxes as $name => $amount ) {
+                    $recurring = isset( $r_taxes[ $name ] ) ? $r_taxes[ $name ] : 0;
+                    $tax       = getpaid_prepare_item_tax( $item, $name, $amount, $recurring );
 
-					if ( ! isset( $item_taxes[ $name ] ) ) {
-						$item_taxes[ $name ] = $tax;
-						continue;
-					}
+                    if ( ! isset( $item_taxes[ $name ] ) ) {
+                        $item_taxes[ $name ] = $tax;
+                        continue;
+                    }
 
-					$item_taxes[ $name ]['initial_tax']   += $tax['initial_tax'];
-					$item_taxes[ $name ]['recurring_tax'] += $tax['recurring_tax'];
+                    $item_taxes[ $name ]['initial_tax']   += $tax['initial_tax'];
+                    $item_taxes[ $name ]['recurring_tax'] += $tax['recurring_tax'];
 
-				}
+                }
 
-			}
+            }
 
-			$item_taxes = array_replace( $this->get_taxes(), $item_taxes );
-			$this->set_taxes( $item_taxes );
+            $item_taxes = array_replace( $this->get_taxes(), $item_taxes );
+            $this->set_taxes( $item_taxes );
 
-			$initial_tax   = array_sum( wp_list_pluck( $item_taxes, 'initial_tax' ) );
-			$recurring_tax = array_sum( wp_list_pluck( $item_taxes, 'recurring_tax' ) );
+            $initial_tax   = array_sum( wp_list_pluck( $item_taxes, 'initial_tax' ) );
+            $recurring_tax = array_sum( wp_list_pluck( $item_taxes, 'recurring_tax' ) );
 
-			$current = $this->is_renewal() ? $recurring_tax : $initial_tax;
+            $current = $this->is_renewal() ? $recurring_tax : $initial_tax;
 
-			$this->totals['tax'] = array(
-				'initial'   => $initial_tax,
-				'recurring' => $recurring_tax,
-			);
+            $this->totals['tax'] = array(
+                'initial'   => $initial_tax,
+                'recurring' => $recurring_tax,
+            );
 
-		}
+        }
 
-		$this->set_total_tax( $current );
+        $this->set_total_tax( $current );
 
-		return $current;
+        return $current;
 
     }
 
     /**
-	 * Recalculates the invoice fees total.
-	 *
-	 * @since 1.0.19
-	 * @return float The recalculated fee
-	 */
-	public function recalculate_total_fees() {
-		$fees      = $this->get_fees();
-		$fee       = 0;
-		$recurring = 0;
+     * Recalculates the invoice fees total.
+     *
+     * @since 1.0.19
+     * @return float The recalculated fee
+     */
+    public function recalculate_total_fees() {
+        $fees      = $this->get_fees();
+        $fee       = 0;
+        $recurring = 0;
 
         foreach ( $fees as $data ) {
-			$fee       += wpinv_sanitize_amount( $data['initial_fee'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_fee'] );
-		}
+            $fee       += wpinv_sanitize_amount( $data['initial_fee'] );
+            $recurring += wpinv_sanitize_amount( $data['recurring_fee'] );
+        }
 
-		$current = $this->is_renewal() ? $recurring : $fee;
-		$this->set_total_fees( $current );
+        $current = $this->is_renewal() ? $recurring : $fee;
+        $this->set_total_fees( $current );
 
-		$this->totals['fee'] = array(
-			'initial'   => $fee,
-			'recurring' => $recurring,
-		);
+        $this->totals['fee'] = array(
+            'initial'   => $fee,
+            'recurring' => $recurring,
+        );
 
         $this->set_total_fees( $fee );
         return $current;
     }
 
     /**
-	 * Recalculates the invoice total.
-	 *
-	 * @since 1.0.19
+     * Recalculates the invoice total.
+     *
+     * @since 1.0.19
      * @return float The invoice total
-	 */
-	public function recalculate_total() {
+     */
+    public function recalculate_total() {
         $this->recalculate_total_fees();
         $this->recalculate_total_discount();
-		$this->recalculate_total_tax();
-		$this->recalculate_subtotal();
-		$this->set_total( $this->get_total_tax( 'edit' ) + $this->get_total_fees( 'edit' ) + $this->get_subtotal( 'edit' ) - $this->get_total_discount( 'edit' ) );
-		return $this->get_total();
-	}
-
-	/**
-	 * @deprecated
-	 */
+        $this->recalculate_total_tax();
+        $this->recalculate_subtotal();
+        $this->set_total( $this->get_total_tax( 'edit' ) + $this->get_total_fees( 'edit' ) + $this->get_subtotal( 'edit' ) - $this->get_total_discount( 'edit' ) );
+        return $this->get_total();
+    }
+
+    /**
+     * @deprecated
+     */
     public function recalculate_totals() {
         $this->recalculate_total();
         $this->save( true );
@@ -3750,22 +3750,22 @@ 
         return $this->get_data();
     }
 
-	/**
+    /**
      * Adds a system note to an invoice.
      *
      * @param string $note The note being added.
-	 * @return int|false The new note's ID on success, false on failure.
+     * @return int|false The new note's ID on success, false on failure.
      *
      */
     public function add_system_note( $note ) {
-		return $this->add_note( $note, false, false, true );
-	}
+        return $this->add_note( $note, false, false, true );
+    }
 
     /**
      * Adds a note to an invoice.
      *
      * @param string $note The note being added.
-	 * @return int|false The new note's ID on success, false on failure.
+     * @return int|false The new note's ID on success, false on failure.
      *
      */
     public function add_note( $note = '', $customer_type = false, $added_by_user = false, $system = false ) {
@@ -3775,21 +3775,21 @@ 
             return false;
         }
 
-		$author       = 'System';
-		$author_email = 'bot@wpinvoicing.com';
+        $author       = 'System';
+        $author_email = 'bot@wpinvoicing.com';
 
-		// If this is an admin comment or it has been added by the user.
-		if ( is_user_logged_in() && ( ! $system || $added_by_user ) ) {
-			$user         = get_user_by( 'id', get_current_user_id() );
+        // If this is an admin comment or it has been added by the user.
+        if ( is_user_logged_in() && ( ! $system || $added_by_user ) ) {
+            $user         = get_user_by( 'id', get_current_user_id() );
             $author       = $user->display_name;
             $author_email = $user->user_email;
-		}
+        }
 
-		return getpaid_notes()->add_invoice_note( $this, $note, $author, $author_email, $customer_type );
+        return getpaid_notes()->add_invoice_note( $this, $note, $author, $author_email, $customer_type );
 
-	}
+    }
 
-	/**
+    /**
      * Generates a unique key for the invoice.
      */
     public function generate_key( $string = '' ) {
@@ -3809,113 +3809,113 @@ 
             $number = wpinv_get_next_invoice_number( $this->get_post_type() );
         }
 
-		return wpinv_format_invoice_number( $number, $this->get_post_type() );
-
-	}
-
-	/**
-	 * Handle the status transition.
-	 */
-	protected function status_transition() {
-		$status_transition = $this->status_transition;
-
-		// Reset status transition variable.
-		$this->status_transition = false;
+        return wpinv_format_invoice_number( $number, $this->get_post_type() );
 
-		if ( $status_transition ) {
-			try {
-
-				// Fire a hook for the status change.
-				do_action( 'getpaid_invoice_status_' . $status_transition['to'], $this, $status_transition );
-
-				// @deprecated this is deprecated and will be removed in the future.
-				do_action( 'wpinv_status_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
-
-				if ( ! empty( $status_transition['from'] ) ) {
-
-					/* translators: 1: old invoice status 2: new invoice status */
-					$transition_note = sprintf( __( 'Status changed from %1$s to %2$s.', 'invoicing' ), wpinv_status_nicename( $status_transition['from'], $this ), wpinv_status_nicename( $status_transition['to'], $this  ) );
-
-					// Fire another hook.
-					do_action( 'getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this );
-					do_action( 'getpaid_invoice_status_changed', $this, $status_transition['from'], $status_transition['to'] );
-
-					// @deprecated this is deprecated and will be removed in the future.
-					do_action( 'wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
-
-					// Note the transition occurred.
-					$this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), false, $status_transition['manual'] );
-
-					// Work out if this was for a payment, and trigger a payment_status hook instead.
-					if (
-						in_array( $status_transition['from'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
-						&& in_array( $status_transition['to'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
-					) {
-						do_action( 'getpaid_invoice_payment_status_changed', $this, $status_transition );
-					}
-
-					// Work out if this was for a payment reversal, and trigger a payment_status_reversed hook instead.
-					if (
-						in_array( $status_transition['from'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
-						&& in_array( $status_transition['to'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
-					) {
-						do_action( 'getpaid_invoice_payment_status_reversed', $this, $status_transition );
-					}
-				} else {
-					/* translators: %s: new invoice status */
-					$transition_note = sprintf( __( 'Status set to %s.', 'invoicing' ), wpinv_status_nicename( $status_transition['to'], $this  ) );
-
-					// Note the transition occurred.
-					$this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), 0, $status_transition['manual'] );
+    }
 
-				}
-			} catch ( Exception $e ) {
-				$this->add_note( __( 'Error during status transition.', 'invoicing' ) . ' ' . $e->getMessage() );
-			}
-		}
-	}
+    /**
+     * Handle the status transition.
+     */
+    protected function status_transition() {
+        $status_transition = $this->status_transition;
+
+        // Reset status transition variable.
+        $this->status_transition = false;
+
+        if ( $status_transition ) {
+            try {
+
+                // Fire a hook for the status change.
+                do_action( 'getpaid_invoice_status_' . $status_transition['to'], $this, $status_transition );
+
+                // @deprecated this is deprecated and will be removed in the future.
+                do_action( 'wpinv_status_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
+
+                if ( ! empty( $status_transition['from'] ) ) {
+
+                    /* translators: 1: old invoice status 2: new invoice status */
+                    $transition_note = sprintf( __( 'Status changed from %1$s to %2$s.', 'invoicing' ), wpinv_status_nicename( $status_transition['from'], $this ), wpinv_status_nicename( $status_transition['to'], $this  ) );
+
+                    // Fire another hook.
+                    do_action( 'getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this );
+                    do_action( 'getpaid_invoice_status_changed', $this, $status_transition['from'], $status_transition['to'] );
+
+                    // @deprecated this is deprecated and will be removed in the future.
+                    do_action( 'wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
+
+                    // Note the transition occurred.
+                    $this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), false, $status_transition['manual'] );
+
+                    // Work out if this was for a payment, and trigger a payment_status hook instead.
+                    if (
+                        in_array( $status_transition['from'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
+                        && in_array( $status_transition['to'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
+                    ) {
+                        do_action( 'getpaid_invoice_payment_status_changed', $this, $status_transition );
+                    }
+
+                    // Work out if this was for a payment reversal, and trigger a payment_status_reversed hook instead.
+                    if (
+                        in_array( $status_transition['from'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
+                        && in_array( $status_transition['to'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
+                    ) {
+                        do_action( 'getpaid_invoice_payment_status_reversed', $this, $status_transition );
+                    }
+                } else {
+                    /* translators: %s: new invoice status */
+                    $transition_note = sprintf( __( 'Status set to %s.', 'invoicing' ), wpinv_status_nicename( $status_transition['to'], $this  ) );
+
+                    // Note the transition occurred.
+                    $this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), 0, $status_transition['manual'] );
+
+                }
+            } catch ( Exception $e ) {
+                $this->add_note( __( 'Error during status transition.', 'invoicing' ) . ' ' . $e->getMessage() );
+            }
+        }
+    }
 
-	/**
-	 * Updates an invoice status.
-	 */
-	public function update_status( $new_status = false, $note = '', $manual = false ) {
+    /**
+     * Updates an invoice status.
+     */
+    public function update_status( $new_status = false, $note = '', $manual = false ) {
 
-		// Fires before updating a status.
-		do_action( 'wpinv_before_invoice_status_change', $this->get_id(), $new_status, $this->get_status( 'edit' ) );
+        // Fires before updating a status.
+        do_action( 'wpinv_before_invoice_status_change', $this->get_id(), $new_status, $this->get_status( 'edit' ) );
 
-		// Update the status.
-		$this->set_status( $new_status, $note, $manual );
+        // Update the status.
+        $this->set_status( $new_status, $note, $manual );
 
-		// Save the order.
-		return $this->save();
+        // Save the order.
+        return $this->save();
 
-	}
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function refresh_item_ids() {
+    /**
+     * @deprecated
+     */
+    public function refresh_item_ids() {
         $item_ids = implode( ',', array_unique( wp_list_pluck( $this->get_cart_details(), 'item_id' ) ) );
         update_post_meta( $this->get_id(), '_wpinv_item_ids', $item_ids );
-	}
+    }
 
-	/**
-	 * @deprecated
-	 */
-	public function update_items( $temp = false ) {
+    /**
+     * @deprecated
+     */
+    public function update_items( $temp = false ) {
 
-		$this->set_items( $this->get_items() );
+        $this->set_items( $this->get_items() );
 
-		if ( ! $temp ) {
-			$this->save();
-		}
+        if ( ! $temp ) {
+            $this->save();
+        }
 
         return $this;
-	}
+    }
 
-	/**
-	 * @deprecated
-	 */
+    /**
+     * @deprecated
+     */
     public function validate_discount() {
 
         $discount_code = $this->get_discount_code();
@@ -3931,93 +3931,93 @@ 
 
     }
 
-	/**
-	 * Refunds an invoice.
-	 */
+    /**
+     * Refunds an invoice.
+     */
     public function refund() {
-		$this->set_status( 'wpi-refunded' );
+        $this->set_status( 'wpi-refunded' );
         $this->save();
-	}
+    }
 
-	/**
-	 * Marks an invoice as paid.
-	 * 
-	 * @param string $transaction_id
-	 */
+    /**
+     * Marks an invoice as paid.
+     * 
+     * @param string $transaction_id
+     */
     public function mark_paid( $transaction_id = null, $note = '' ) {
 
-		// Set the transaction id.
-		if ( empty( $transaction_id ) ) {
-			$transaction_id = $this->generate_key('trans_');
-		}
+        // Set the transaction id.
+        if ( empty( $transaction_id ) ) {
+            $transaction_id = $this->generate_key('trans_');
+        }
 
-		if ( ! $this->get_transaction_id() ) {
-			$this->set_transaction_id( $transaction_id );
-		}
+        if ( ! $this->get_transaction_id() ) {
+            $this->set_transaction_id( $transaction_id );
+        }
 
-		if ( $this->is_paid() && 'wpi-processing' != $this->get_status() ) {
-			return $this->save();
-		}
+        if ( $this->is_paid() && 'wpi-processing' != $this->get_status() ) {
+            return $this->save();
+        }
 
-		// Set the completed date.
-		$this->set_date_completed( current_time( 'mysql' ) );
+        // Set the completed date.
+        $this->set_date_completed( current_time( 'mysql' ) );
 
-		// Set the new status.
-		$gateway = sanitize_text_field( $this->get_gateway_title() );
-		if ( $this->is_renewal() || ! $this->is_parent() ) {
+        // Set the new status.
+        $gateway = sanitize_text_field( $this->get_gateway_title() );
+        if ( $this->is_renewal() || ! $this->is_parent() ) {
 
-			$_note = wp_sprintf( __( 'Renewed via %s', 'invoicing' ), $gateway );
-			$_note = $_note . empty( $note ) ? '' : " ($note)";
+            $_note = wp_sprintf( __( 'Renewed via %s', 'invoicing' ), $gateway );
+            $_note = $_note . empty( $note ) ? '' : " ($note)";
 
-			if ( 'none' == $this->get_gateway() ) {
-				$_note = $note;
-			}
+            if ( 'none' == $this->get_gateway() ) {
+                $_note = $note;
+            }
 
-			$this->set_status( 'wpi-renewal', $_note );
+            $this->set_status( 'wpi-renewal', $_note );
 
-		} else {
+        } else {
 
-			$_note = wp_sprintf( __( 'Paid via %s', 'invoicing' ), $gateway );
-			$_note = $_note . empty( $note ) ? '' : " ($note)";
+            $_note = wp_sprintf( __( 'Paid via %s', 'invoicing' ), $gateway );
+            $_note = $_note . empty( $note ) ? '' : " ($note)";
 
-			if ( 'none' == $this->get_gateway() ) {
-				$_note = $note;
-			}
+            if ( 'none' == $this->get_gateway() ) {
+                $_note = $note;
+            }
 
-			$this->set_status( 'publish', $_note );
+            $this->set_status( 'publish', $_note );
 
-		}
+        }
 
-		// Set checkout mode.
-		$mode = wpinv_is_test_mode( $this->get_gateway() ) ? 'test' : 'live';
-		$this->set_mode( $mode );
+        // Set checkout mode.
+        $mode = wpinv_is_test_mode( $this->get_gateway() ) ? 'test' : 'live';
+        $this->set_mode( $mode );
 
-		// Save the invoice.
+        // Save the invoice.
         $this->save();
-	}
-
-	/**
-	 * Save data to the database.
-	 *
-	 * @since 1.0.19
-	 * @return int invoice ID
-	 */
-	public function save() {
-		$this->maybe_set_date_paid();
-		$this->maybe_set_key();
-		parent::save();
-		$this->clear_cache();
-		$this->status_transition();
-		return $this->get_id();
-	}
-
-	/**
+    }
+
+    /**
+     * Save data to the database.
+     *
+     * @since 1.0.19
+     * @return int invoice ID
+     */
+    public function save() {
+        $this->maybe_set_date_paid();
+        $this->maybe_set_key();
+        parent::save();
+        $this->clear_cache();
+        $this->status_transition();
+        return $this->get_id();
+    }
+
+    /**
      * Clears the subscription's cache.
      */
     public function clear_cache() {
-		wp_cache_delete( $this->get_key(), 'getpaid_invoice_keys_to_invoice_ids' );
-		wp_cache_delete( $this->get_number(), 'getpaid_invoice_numbers_to_invoice_ids' );
-		wp_cache_delete( $this->get_transaction_id(), 'getpaid_invoice_transaction_ids_to_invoice_ids' );
-	}
+        wp_cache_delete( $this->get_key(), 'getpaid_invoice_keys_to_invoice_ids' );
+        wp_cache_delete( $this->get_number(), 'getpaid_invoice_numbers_to_invoice_ids' );
+        wp_cache_delete( $this->get_transaction_id(), 'getpaid_invoice_transaction_ids_to_invoice_ids' );
+    }
 
 }

Spacing +805 added lines, -805 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Invoice class.
@@ -145,40 +145,40 @@ 
 	 *
 	 * @param  int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object to read.
 	 */
-    public function __construct( $invoice = 0 ) {
+    public function __construct($invoice = 0) {
 
-        parent::__construct( $invoice );
+        parent::__construct($invoice);
 
-		if ( ! empty( $invoice ) && is_numeric( $invoice ) && getpaid_is_invoice_post_type( get_post_type( (int) $invoice ) ) ) {
-			$this->set_id( (int) $invoice );
-		} elseif ( $invoice instanceof self ) {
-			$this->set_id( $invoice->get_id() );
-		} elseif ( ! empty( $invoice->ID ) ) {
-			$this->set_id( $invoice->ID );
-		} elseif ( is_array( $invoice ) ) {
-			$this->set_props( $invoice );
+		if (!empty($invoice) && is_numeric($invoice) && getpaid_is_invoice_post_type(get_post_type((int) $invoice))) {
+			$this->set_id((int) $invoice);
+		} elseif ($invoice instanceof self) {
+			$this->set_id($invoice->get_id());
+		} elseif (!empty($invoice->ID)) {
+			$this->set_id($invoice->ID);
+		} elseif (is_array($invoice)) {
+			$this->set_props($invoice);
 
-			if ( isset( $invoice['ID'] ) ) {
-				$this->set_id( $invoice['ID'] );
+			if (isset($invoice['ID'])) {
+				$this->set_id($invoice['ID']);
 			}
 
-		} elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'key' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'number' ) ) {
-			$this->set_id( $invoice_id );
-		} elseif ( is_string( $invoice ) && $invoice_id = self::get_invoice_id_by_field( $invoice, 'transaction_id' ) ) {
-			$this->set_id( $invoice_id );
+		} elseif (is_string($invoice) && $invoice_id = self::get_invoice_id_by_field($invoice, 'key')) {
+			$this->set_id($invoice_id);
+		} elseif (is_string($invoice) && $invoice_id = self::get_invoice_id_by_field($invoice, 'number')) {
+			$this->set_id($invoice_id);
+		} elseif (is_string($invoice) && $invoice_id = self::get_invoice_id_by_field($invoice, 'transaction_id')) {
+			$this->set_id($invoice_id);
 		} else {
-			$this->set_object_read( true );
+			$this->set_object_read(true);
 		}
 
         // Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+		$this->data_store = GetPaid_Data_Store::load($this->data_store_name);
 
-		if ( $this->get_id() > 0 ) {
-            $this->post = get_post( $this->get_id() );
+		if ($this->get_id() > 0) {
+            $this->post = get_post($this->get_id());
             $this->ID   = $this->get_id();
-			$this->data_store->read( $this );
+			$this->data_store->read($this);
         }
 
     }
@@ -193,38 +193,38 @@ 
 	 * @since 1.0.15
 	 * @return int
 	 */
-	public static function get_invoice_id_by_field( $value, $field = 'key' ) {
+	public static function get_invoice_id_by_field($value, $field = 'key') {
         global $wpdb;
 
 		// Trim the value.
-		$value = trim( $value );
+		$value = trim($value);
 
-		if ( empty( $value ) ) {
+		if (empty($value)) {
 			return 0;
 		}
 
         // Valid fields.
-        $fields = array( 'key', 'number', 'transaction_id' );
+        $fields = array('key', 'number', 'transaction_id');
 
 		// Ensure a field has been passed.
-		if ( empty( $field ) || ! in_array( $field, $fields ) ) {
+		if (empty($field) || !in_array($field, $fields)) {
 			return 0;
 		}
 
 		// Maybe retrieve from the cache.
-		$invoice_id   = wp_cache_get( $value, "getpaid_invoice_{$field}s_to_invoice_ids" );
-		if ( false !== $invoice_id ) {
+		$invoice_id = wp_cache_get($value, "getpaid_invoice_{$field}s_to_invoice_ids");
+		if (false !== $invoice_id) {
 			return $invoice_id;
 		}
 
         // Fetch from the db.
         $table       = $wpdb->prefix . 'getpaid_invoices';
         $invoice_id  = (int) $wpdb->get_var(
-            $wpdb->prepare( "SELECT `post_id` FROM $table WHERE `$field`=%s LIMIT 1", $value )
+            $wpdb->prepare("SELECT `post_id` FROM $table WHERE `$field`=%s LIMIT 1", $value)
         );
 
 		// Update the cache with our data
-		wp_cache_set( $value, $invoice_id, "getpaid_invoice_{$field}s_to_invoice_ids" );
+		wp_cache_set($value, $invoice_id, "getpaid_invoice_{$field}s_to_invoice_ids");
 
 		return $invoice_id;
     }
@@ -232,8 +232,8 @@ 
     /**
      * Checks if an invoice key is set.
      */
-    public function _isset( $key ) {
-        return isset( $this->data[$key] ) || method_exists( $this, "get_$key" );
+    public function _isset($key) {
+        return isset($this->data[$key]) || method_exists($this, "get_$key");
     }
 
     /*
@@ -258,8 +258,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_parent_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'parent_id', $context );
+	public function get_parent_id($context = 'view') {
+		return (int) $this->get_prop('parent_id', $context);
     }
 
     /**
@@ -269,7 +269,7 @@ 
 	 * @return WPInv_Invoice
 	 */
     public function get_parent_payment() {
-        return new WPInv_Invoice( $this->get_parent_id() );
+        return new WPInv_Invoice($this->get_parent_id());
     }
 
     /**
@@ -289,8 +289,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
+	public function get_status($context = 'view') {
+		return $this->get_prop('status', $context);
 	}
 	
 	/**
@@ -300,7 +300,7 @@ 
 	 * @return array
 	 */
 	public function get_all_statuses() {
-		return wpinv_get_invoice_statuses( true, true, $this );
+		return wpinv_get_invoice_statuses(true, true, $this);
     }
 
     /**
@@ -312,9 +312,9 @@ 
     public function get_status_nicename() {
 		$statuses = $this->get_all_statuses();
 
-        $status = isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : $this->get_status();
+        $status = isset($statuses[$this->get_status()]) ? $statuses[$this->get_status()] : $this->get_status();
 
-        return apply_filters( 'wpinv_get_invoice_status_nicename', $status, $this );
+        return apply_filters('wpinv_get_invoice_status_nicename', $status, $this);
     }
 
 	/**
@@ -325,7 +325,7 @@ 
 	 */
 	public function get_status_class() {
 		$statuses = getpaid_get_invoice_status_classes();
-		return isset( $statuses[ $this->get_status() ] ) ? $statuses[ $this->get_status() ] : 'badge-dark';
+		return isset($statuses[$this->get_status()]) ? $statuses[$this->get_status()] : 'badge-dark';
 	}
 
 	/**
@@ -336,9 +336,9 @@ 
      */
     public function get_status_label_html() {
 
-		$status_label = sanitize_text_field( $this->get_status_nicename() );
-		$status       = sanitize_html_class( $this->get_status() );
-		$class        = esc_attr( $this->get_status_class() );
+		$status_label = sanitize_text_field($this->get_status_nicename());
+		$status       = sanitize_html_class($this->get_status());
+		$class        = esc_attr($this->get_status_class());
 
 		return "<span class='bsui'><span class='badge $class $status'>$status_label</span></span>";
 	}
@@ -350,23 +350,23 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_version( $context = 'view' ) {
-		return $this->get_prop( 'version', $context );
+	public function get_version($context = 'view') {
+		return $this->get_prop('version', $context);
 	}
 
 	/**
 	 * @deprecated
 	 */
-	public function get_invoice_date( $format = true ) {
-		$date      = getpaid_format_date( $this->get_date_completed() );
-		$date      = empty( $date ) ? $this->get_date_created() : $this->get_date_completed();
-		$formatted = getpaid_format_date( $date );
+	public function get_invoice_date($format = true) {
+		$date      = getpaid_format_date($this->get_date_completed());
+		$date      = empty($date) ? $this->get_date_created() : $this->get_date_completed();
+		$formatted = getpaid_format_date($date);
 
-		if ( $format ) {
+		if ($format) {
 			return $formatted;
 		}
 
-		return empty( $formatted ) ? '' : $date;
+		return empty($formatted) ? '' : $date;
 
     }
 
@@ -377,8 +377,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_prop( 'date_created', $context );
+	public function get_date_created($context = 'view') {
+		return $this->get_prop('date_created', $context);
 	}
 	
 	/**
@@ -388,8 +388,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_created_date( $context = 'view' ) {
-		return $this->get_date_created( $context );
+	public function get_created_date($context = 'view') {
+		return $this->get_date_created($context);
     }
 
     /**
@@ -399,11 +399,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created_gmt( $context = 'view' ) {
-        $date = $this->get_date_created( $context );
+	public function get_date_created_gmt($context = 'view') {
+        $date = $this->get_date_created($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -415,8 +415,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified( $context = 'view' ) {
-		return $this->get_prop( 'date_modified', $context );
+	public function get_date_modified($context = 'view') {
+		return $this->get_prop('date_modified', $context);
 	}
 
 	/**
@@ -426,8 +426,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_modified_date( $context = 'view' ) {
-		return $this->get_date_modified( $context );
+	public function get_modified_date($context = 'view') {
+		return $this->get_date_modified($context);
     }
 
     /**
@@ -437,11 +437,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified_gmt( $context = 'view' ) {
-        $date = $this->get_date_modified( $context );
+	public function get_date_modified_gmt($context = 'view') {
+        $date = $this->get_date_modified($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -453,8 +453,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_due_date( $context = 'view' ) {
-		return $this->get_prop( 'due_date', $context );
+	public function get_due_date($context = 'view') {
+		return $this->get_prop('due_date', $context);
     }
 
     /**
@@ -464,8 +464,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_due( $context = 'view' ) {
-		return $this->get_due_date( $context );
+	public function get_date_due($context = 'view') {
+		return $this->get_due_date($context);
     }
 
     /**
@@ -475,11 +475,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_due_date_gmt( $context = 'view' ) {
-        $date = $this->get_due_date( $context );
+	public function get_due_date_gmt($context = 'view') {
+        $date = $this->get_due_date($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -491,8 +491,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_gmt_date_due( $context = 'view' ) {
-		return $this->get_due_date_gmt( $context );
+	public function get_gmt_date_due($context = 'view') {
+		return $this->get_due_date_gmt($context);
     }
 
     /**
@@ -502,8 +502,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_completed_date( $context = 'view' ) {
-		return $this->get_prop( 'completed_date', $context );
+	public function get_completed_date($context = 'view') {
+		return $this->get_prop('completed_date', $context);
     }
 
     /**
@@ -513,8 +513,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_completed( $context = 'view' ) {
-		return $this->get_completed_date( $context );
+	public function get_date_completed($context = 'view') {
+		return $this->get_completed_date($context);
     }
 
     /**
@@ -524,11 +524,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_completed_date_gmt( $context = 'view' ) {
-        $date = $this->get_completed_date( $context );
+	public function get_completed_date_gmt($context = 'view') {
+        $date = $this->get_completed_date($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -540,8 +540,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_gmt_completed_date( $context = 'view' ) {
-		return $this->get_completed_date_gmt( $context );
+	public function get_gmt_completed_date($context = 'view') {
+		return $this->get_completed_date_gmt($context);
     }
 
     /**
@@ -551,12 +551,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_number( $context = 'view' ) {
-		$number = $this->get_prop( 'number', $context );
+	public function get_number($context = 'view') {
+		$number = $this->get_prop('number', $context);
 
-		if ( empty( $number ) ) {
+		if (empty($number)) {
 			$number = $this->generate_number();
-			$this->set_number( $this->generate_number() );
+			$this->set_number($this->generate_number());
 		}
 
 		return $number;
@@ -570,8 +570,8 @@ 
 	public function maybe_set_number() {
         $number = $this->get_number();
 
-        if ( empty( $number ) || $this->get_id() == $number ) {
-			$this->set_number( $this->generate_number() );
+        if (empty($number) || $this->get_id() == $number) {
+			$this->set_number($this->generate_number());
         }
 
 	}
@@ -583,8 +583,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_key( $context = 'view' ) {
-        return $this->get_prop( 'key', $context );
+	public function get_key($context = 'view') {
+        return $this->get_prop('key', $context);
 	}
 
 	/**
@@ -595,9 +595,9 @@ 
 	public function maybe_set_key() {
         $key = $this->get_key();
 
-        if ( empty( $key ) ) {
-            $key = $this->generate_key( $this->get_type() . '_' );
-            $this->set_key( $key );
+        if (empty($key)) {
+            $key = $this->generate_key($this->get_type() . '_');
+            $this->set_key($key);
         }
 
     }
@@ -609,8 +609,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_type( $context = 'view' ) {
-        return $this->get_prop( 'type', $context );
+	public function get_type($context = 'view') {
+        return $this->get_prop('type', $context);
 	}
 
 	/**
@@ -620,7 +620,7 @@ 
 	 * @return string
 	 */
 	public function get_invoice_quote_type() {
-        return getpaid_get_post_type_label( $this->get_post_type(), false );
+        return getpaid_get_post_type_label($this->get_post_type(), false);
     }
 
     /**
@@ -630,8 +630,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_label( $context = 'view' ) {
-        return getpaid_get_post_type_label( $this->get_post_type( $context ), false );
+	public function get_label($context = 'view') {
+        return getpaid_get_post_type_label($this->get_post_type($context), false);
 	}
 
 	/**
@@ -641,8 +641,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_post_type( $context = 'view' ) {
-        return $this->get_prop( 'post_type', $context );
+	public function get_post_type($context = 'view') {
+        return $this->get_prop('post_type', $context);
     }
 
     /**
@@ -652,8 +652,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_mode( $context = 'view' ) {
-        return $this->get_prop( 'mode', $context );
+	public function get_mode($context = 'view') {
+        return $this->get_prop('mode', $context);
     }
 
     /**
@@ -663,13 +663,13 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_path( $context = 'view' ) {
-        $path   = $this->get_prop( 'path', $context );
+	public function get_path($context = 'view') {
+        $path = $this->get_prop('path', $context);
 		$prefix = $this->get_type();
 
-		if ( 0 !== strpos( $path, $prefix ) ) {
-			$path = sanitize_title(  $prefix . '-' . $this->get_id()  );
-			$this->set_path( $path );
+		if (0 !== strpos($path, $prefix)) {
+			$path = sanitize_title($prefix . '-' . $this->get_id());
+			$this->set_path($path);
 		}
 
 		return $path;
@@ -682,8 +682,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_name( $context = 'view' ) {
-        return $this->get_prop( 'title', $context );
+	public function get_name($context = 'view') {
+        return $this->get_prop('title', $context);
     }
 
     /**
@@ -693,8 +693,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_title( $context = 'view' ) {
-		return $this->get_name( $context );
+	public function get_title($context = 'view') {
+		return $this->get_name($context);
     }
 
     /**
@@ -704,8 +704,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_description( $context = 'view' ) {
-		return $this->get_prop( 'description', $context );
+	public function get_description($context = 'view') {
+		return $this->get_prop('description', $context);
     }
 
     /**
@@ -715,8 +715,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_excerpt( $context = 'view' ) {
-		return $this->get_description( $context );
+	public function get_excerpt($context = 'view') {
+		return $this->get_description($context);
     }
 
     /**
@@ -726,8 +726,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_summary( $context = 'view' ) {
-		return $this->get_description( $context );
+	public function get_summary($context = 'view') {
+		return $this->get_description($context);
     }
 
     /**
@@ -737,26 +737,26 @@ 
      * @param  string $context View or edit context.
 	 * @return array
 	 */
-    public function get_user_info( $context = 'view' ) {
+    public function get_user_info($context = 'view') {
 
         $user_info = array(
-            'user_id'    => $this->get_user_id( $context ),
-            'email'      => $this->get_email( $context ),
-            'first_name' => $this->get_first_name( $context ),
-            'last_name'  => $this->get_last_name( $context ),
-            'address'    => $this->get_address( $context ),
-            'phone'      => $this->get_phone( $context ),
-            'city'       => $this->get_city( $context ),
-            'country'    => $this->get_country( $context ),
-            'state'      => $this->get_state( $context ),
-            'zip'        => $this->get_zip( $context ),
-            'company'    => $this->get_company( $context ),
-			'company_id' => $this->get_company_id( $context ),
-            'vat_number' => $this->get_vat_number( $context ),
-            'discount'   => $this->get_discount_code( $context ),
+            'user_id'    => $this->get_user_id($context),
+            'email'      => $this->get_email($context),
+            'first_name' => $this->get_first_name($context),
+            'last_name'  => $this->get_last_name($context),
+            'address'    => $this->get_address($context),
+            'phone'      => $this->get_phone($context),
+            'city'       => $this->get_city($context),
+            'country'    => $this->get_country($context),
+            'state'      => $this->get_state($context),
+            'zip'        => $this->get_zip($context),
+            'company'    => $this->get_company($context),
+			'company_id' => $this->get_company_id($context),
+            'vat_number' => $this->get_vat_number($context),
+            'discount'   => $this->get_discount_code($context),
 		);
 
-		return apply_filters( 'wpinv_user_info', $user_info, $this->get_id(), $this );
+		return apply_filters('wpinv_user_info', $user_info, $this->get_id(), $this);
 
     }
 
@@ -767,8 +767,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_author( $context = 'view' ) {
-		return (int) $this->get_prop( 'author', $context );
+	public function get_author($context = 'view') {
+		return (int) $this->get_prop('author', $context);
     }
 
     /**
@@ -778,8 +778,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_user_id( $context = 'view' ) {
-		return $this->get_author( $context );
+	public function get_user_id($context = 'view') {
+		return $this->get_author($context);
     }
 
      /**
@@ -789,8 +789,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_customer_id( $context = 'view' ) {
-		return $this->get_author( $context );
+	public function get_customer_id($context = 'view') {
+		return $this->get_author($context);
     }
 
     /**
@@ -800,8 +800,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_ip( $context = 'view' ) {
-		return $this->get_prop( 'user_ip', $context );
+	public function get_ip($context = 'view') {
+		return $this->get_prop('user_ip', $context);
     }
 
     /**
@@ -811,8 +811,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_ip( $context = 'view' ) {
-		return $this->get_ip( $context );
+	public function get_user_ip($context = 'view') {
+		return $this->get_ip($context);
     }
 
      /**
@@ -822,8 +822,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_ip( $context = 'view' ) {
-		return $this->get_ip( $context );
+	public function get_customer_ip($context = 'view') {
+		return $this->get_ip($context);
     }
 
     /**
@@ -833,8 +833,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_first_name( $context = 'view' ) {
-		return $this->get_prop( 'first_name', $context );
+	public function get_first_name($context = 'view') {
+		return $this->get_prop('first_name', $context);
     }
 
     /**
@@ -844,8 +844,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_first_name( $context = 'view' ) {
-		return $this->get_first_name( $context );
+	public function get_user_first_name($context = 'view') {
+		return $this->get_first_name($context);
     }
 
      /**
@@ -855,8 +855,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_first_name( $context = 'view' ) {
-		return $this->get_first_name( $context );
+	public function get_customer_first_name($context = 'view') {
+		return $this->get_first_name($context);
     }
 
     /**
@@ -866,8 +866,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_last_name( $context = 'view' ) {
-		return $this->get_prop( 'last_name', $context );
+	public function get_last_name($context = 'view') {
+		return $this->get_prop('last_name', $context);
     }
 
     /**
@@ -877,8 +877,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_last_name( $context = 'view' ) {
-		return $this->get_last_name( $context );
+	public function get_user_last_name($context = 'view') {
+		return $this->get_last_name($context);
     }
 
     /**
@@ -888,8 +888,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_last_name( $context = 'view' ) {
-		return $this->get_last_name( $context );
+	public function get_customer_last_name($context = 'view') {
+		return $this->get_last_name($context);
     }
 
     /**
@@ -899,8 +899,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_full_name( $context = 'view' ) {
-		return trim( $this->get_first_name( $context ) . ' ' . $this->get_last_name( $context ) );
+	public function get_full_name($context = 'view') {
+		return trim($this->get_first_name($context) . ' ' . $this->get_last_name($context));
     }
 
     /**
@@ -910,8 +910,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_full_name( $context = 'view' ) {
-		return $this->get_full_name( $context );
+	public function get_user_full_name($context = 'view') {
+		return $this->get_full_name($context);
     }
 
     /**
@@ -921,8 +921,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_full_name( $context = 'view' ) {
-		return $this->get_full_name( $context );
+	public function get_customer_full_name($context = 'view') {
+		return $this->get_full_name($context);
     }
 
     /**
@@ -932,8 +932,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_phone( $context = 'view' ) {
-		return $this->get_prop( 'phone', $context );
+	public function get_phone($context = 'view') {
+		return $this->get_prop('phone', $context);
     }
 
     /**
@@ -943,8 +943,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_phone_number( $context = 'view' ) {
-		return $this->get_phone( $context );
+	public function get_phone_number($context = 'view') {
+		return $this->get_phone($context);
     }
 
     /**
@@ -954,8 +954,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_phone( $context = 'view' ) {
-		return $this->get_phone( $context );
+	public function get_user_phone($context = 'view') {
+		return $this->get_phone($context);
     }
 
     /**
@@ -965,8 +965,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_phone( $context = 'view' ) {
-		return $this->get_phone( $context );
+	public function get_customer_phone($context = 'view') {
+		return $this->get_phone($context);
     }
 
     /**
@@ -976,8 +976,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_email( $context = 'view' ) {
-		return $this->get_prop( 'email', $context );
+	public function get_email($context = 'view') {
+		return $this->get_prop('email', $context);
     }
 
     /**
@@ -987,8 +987,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_email_address( $context = 'view' ) {
-		return $this->get_email( $context );
+	public function get_email_address($context = 'view') {
+		return $this->get_email($context);
     }
 
     /**
@@ -998,8 +998,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_email( $context = 'view' ) {
-		return $this->get_email( $context );
+	public function get_user_email($context = 'view') {
+		return $this->get_email($context);
     }
 
     /**
@@ -1009,8 +1009,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_email( $context = 'view' ) {
-		return $this->get_email( $context );
+	public function get_customer_email($context = 'view') {
+		return $this->get_email($context);
     }
 
     /**
@@ -1020,9 +1020,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_country( $context = 'view' ) {
-		$country = $this->get_prop( 'country', $context );
-		return empty( $country ) ? wpinv_get_default_country() : $country;
+	public function get_country($context = 'view') {
+		$country = $this->get_prop('country', $context);
+		return empty($country) ? wpinv_get_default_country() : $country;
     }
 
     /**
@@ -1032,8 +1032,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_country( $context = 'view' ) {
-		return $this->get_country( $context );
+	public function get_user_country($context = 'view') {
+		return $this->get_country($context);
     }
 
     /**
@@ -1043,8 +1043,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_country( $context = 'view' ) {
-		return $this->get_country( $context );
+	public function get_customer_country($context = 'view') {
+		return $this->get_country($context);
     }
 
     /**
@@ -1054,9 +1054,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_state( $context = 'view' ) {
-		$state = $this->get_prop( 'state', $context );
-		return empty( $state ) ? wpinv_get_default_state() : $state;
+	public function get_state($context = 'view') {
+		$state = $this->get_prop('state', $context);
+		return empty($state) ? wpinv_get_default_state() : $state;
     }
 
     /**
@@ -1066,8 +1066,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_state( $context = 'view' ) {
-		return $this->get_state( $context );
+	public function get_user_state($context = 'view') {
+		return $this->get_state($context);
     }
 
     /**
@@ -1077,8 +1077,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_state( $context = 'view' ) {
-		return $this->get_state( $context );
+	public function get_customer_state($context = 'view') {
+		return $this->get_state($context);
     }
 
     /**
@@ -1088,8 +1088,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_city( $context = 'view' ) {
-		return $this->get_prop( 'city', $context );
+	public function get_city($context = 'view') {
+		return $this->get_prop('city', $context);
     }
 
     /**
@@ -1099,8 +1099,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_city( $context = 'view' ) {
-		return $this->get_city( $context );
+	public function get_user_city($context = 'view') {
+		return $this->get_city($context);
     }
 
     /**
@@ -1110,8 +1110,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_city( $context = 'view' ) {
-		return $this->get_city( $context );
+	public function get_customer_city($context = 'view') {
+		return $this->get_city($context);
     }
 
     /**
@@ -1121,8 +1121,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_zip( $context = 'view' ) {
-		return $this->get_prop( 'zip', $context );
+	public function get_zip($context = 'view') {
+		return $this->get_prop('zip', $context);
     }
 
     /**
@@ -1132,8 +1132,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_zip( $context = 'view' ) {
-		return $this->get_zip( $context );
+	public function get_user_zip($context = 'view') {
+		return $this->get_zip($context);
     }
 
     /**
@@ -1143,8 +1143,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_zip( $context = 'view' ) {
-		return $this->get_zip( $context );
+	public function get_customer_zip($context = 'view') {
+		return $this->get_zip($context);
     }
 
     /**
@@ -1154,8 +1154,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_company( $context = 'view' ) {
-		return $this->get_prop( 'company', $context );
+	public function get_company($context = 'view') {
+		return $this->get_prop('company', $context);
     }
 
     /**
@@ -1165,8 +1165,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_company( $context = 'view' ) {
-		return $this->get_company( $context );
+	public function get_user_company($context = 'view') {
+		return $this->get_company($context);
     }
 
     /**
@@ -1176,8 +1176,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_company( $context = 'view' ) {
-		return $this->get_company( $context );
+	public function get_customer_company($context = 'view') {
+		return $this->get_company($context);
     }
 
 	/**
@@ -1187,8 +1187,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_company_id( $context = 'view' ) {
-		return $this->get_prop( 'company_id', $context );
+	public function get_company_id($context = 'view') {
+		return $this->get_prop('company_id', $context);
     }
 
     /**
@@ -1198,8 +1198,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_vat_number( $context = 'view' ) {
-		return $this->get_prop( 'vat_number', $context );
+	public function get_vat_number($context = 'view') {
+		return $this->get_prop('vat_number', $context);
     }
 
     /**
@@ -1209,8 +1209,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_vat_number( $context = 'view' ) {
-		return $this->get_vat_number( $context );
+	public function get_user_vat_number($context = 'view') {
+		return $this->get_vat_number($context);
     }
 
     /**
@@ -1220,8 +1220,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_vat_number( $context = 'view' ) {
-		return $this->get_vat_number( $context );
+	public function get_customer_vat_number($context = 'view') {
+		return $this->get_vat_number($context);
     }
 
     /**
@@ -1231,8 +1231,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_vat_rate( $context = 'view' ) {
-		return $this->get_prop( 'vat_rate', $context );
+	public function get_vat_rate($context = 'view') {
+		return $this->get_prop('vat_rate', $context);
     }
 
     /**
@@ -1242,8 +1242,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_vat_rate( $context = 'view' ) {
-		return $this->get_vat_rate( $context );
+	public function get_user_vat_rate($context = 'view') {
+		return $this->get_vat_rate($context);
     }
 
     /**
@@ -1253,8 +1253,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_vat_rate( $context = 'view' ) {
-		return $this->get_vat_rate( $context );
+	public function get_customer_vat_rate($context = 'view') {
+		return $this->get_vat_rate($context);
     }
 
     /**
@@ -1264,8 +1264,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_address( $context = 'view' ) {
-		return $this->get_prop( 'address', $context );
+	public function get_address($context = 'view') {
+		return $this->get_prop('address', $context);
     }
 
     /**
@@ -1275,8 +1275,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_user_address( $context = 'view' ) {
-		return $this->get_address( $context );
+	public function get_user_address($context = 'view') {
+		return $this->get_address($context);
     }
 
     /**
@@ -1286,8 +1286,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_customer_address( $context = 'view' ) {
-		return $this->get_address( $context );
+	public function get_customer_address($context = 'view') {
+		return $this->get_address($context);
     }
 
     /**
@@ -1297,8 +1297,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_is_viewed( $context = 'view' ) {
-		return (bool) $this->get_prop( 'is_viewed', $context );
+	public function get_is_viewed($context = 'view') {
+		return (bool) $this->get_prop('is_viewed', $context);
 	}
 
 	/**
@@ -1308,8 +1308,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_email_cc( $context = 'view' ) {
-		return $this->get_prop( 'email_cc', $context );
+	public function get_email_cc($context = 'view') {
+		return $this->get_prop('email_cc', $context);
 	}
 
 	/**
@@ -1319,8 +1319,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_template( $context = 'view' ) {
-		return $this->get_prop( 'template', $context );
+	public function get_template($context = 'view') {
+		return $this->get_prop('template', $context);
 	}
 
 	/**
@@ -1330,8 +1330,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_created_via( $context = 'view' ) {
-		return $this->get_prop( 'created_via', $context );
+	public function get_created_via($context = 'view') {
+		return $this->get_prop('created_via', $context);
 	}
 
 	/**
@@ -1341,8 +1341,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_address_confirmed( $context = 'view' ) {
-		return (bool) $this->get_prop( 'address_confirmed', $context );
+	public function get_address_confirmed($context = 'view') {
+		return (bool) $this->get_prop('address_confirmed', $context);
     }
 
     /**
@@ -1352,8 +1352,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_user_address_confirmed( $context = 'view' ) {
-		return $this->get_address_confirmed( $context );
+	public function get_user_address_confirmed($context = 'view') {
+		return $this->get_address_confirmed($context);
     }
 
     /**
@@ -1363,8 +1363,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_customer_address_confirmed( $context = 'view' ) {
-		return $this->get_address_confirmed( $context );
+	public function get_customer_address_confirmed($context = 'view') {
+		return $this->get_address_confirmed($context);
     }
 
 	/**
@@ -1375,8 +1375,8 @@ 
 	 */
 	public function get_shipping_address() {
 
-		$shipping_address = get_post_meta( $this->get_id(), 'shipping_address', true );
-		return is_array( $shipping_address ) ? $shipping_address : false;
+		$shipping_address = get_post_meta($this->get_id(), 'shipping_address', true);
+		return is_array($shipping_address) ? $shipping_address : false;
     }
 
 	/**
@@ -1393,17 +1393,17 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_shipping( $context = 'view' ) {
+	public function get_shipping($context = 'view') {
 
-		if ( $context = 'view' ) {
-			return floatval( $this->get_prop( 'shipping', $context ) );
+		if ($context = 'view') {
+			return floatval($this->get_prop('shipping', $context));
 		}
  
-		return $this->get_prop( 'shipping', $context );
+		return $this->get_prop('shipping', $context);
     }
 
 	public function has_shipping() {
-		return defined( 'GETPAID_SHIPPING_CALCULATOR_VERSION' ) && null !== $this->get_prop( 'shipping', 'edit' );
+		return defined('GETPAID_SHIPPING_CALCULATOR_VERSION') && null !== $this->get_prop('shipping', 'edit');
     }
 
     /**
@@ -1413,12 +1413,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_subtotal( $context = 'view' ) {
-        $subtotal = (float) $this->get_prop( 'subtotal', $context );
+	public function get_subtotal($context = 'view') {
+        $subtotal = (float) $this->get_prop('subtotal', $context);
 
         // Backwards compatibility.
-        if ( is_bool( $context ) && $context ) {
-            return wpinv_price( $subtotal, $this->get_currency() );
+        if (is_bool($context) && $context) {
+            return wpinv_price($subtotal, $this->get_currency());
         }
 
         return $subtotal;
@@ -1431,8 +1431,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_total_discount( $context = 'view' ) {
-		return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_discount', $context ) ) );
+	public function get_total_discount($context = 'view') {
+		return wpinv_round_amount(wpinv_sanitize_amount($this->get_prop('total_discount', $context)));
     }
 
     /**
@@ -1442,18 +1442,18 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_total_tax( $context = 'view' ) {
-		return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_tax', $context ) ) );
+	public function get_total_tax($context = 'view') {
+		return wpinv_round_amount(wpinv_sanitize_amount($this->get_prop('total_tax', $context)));
 	}
 
 	/**
 	 * @deprecated
 	 */
-	public function get_final_tax( $currency = false ) {
+	public function get_final_tax($currency = false) {
 		$tax = $this->get_total_tax();
 
-        if ( $currency ) {
-			return wpinv_price( $tax, $this->get_currency() );
+        if ($currency) {
+			return wpinv_price($tax, $this->get_currency());
         }
 
         return $tax;
@@ -1466,8 +1466,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_total_fees( $context = 'view' ) {
-		return wpinv_round_amount( wpinv_sanitize_amount( $this->get_prop( 'total_fees', $context ) ) );
+	public function get_total_fees($context = 'view') {
+		return wpinv_round_amount(wpinv_sanitize_amount($this->get_prop('total_fees', $context)));
     }
 
     /**
@@ -1477,8 +1477,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_fees_total( $context = 'view' ) {
-		return $this->get_total_fees( $context );
+	public function get_fees_total($context = 'view') {
+		return $this->get_total_fees($context);
     }
 
     /**
@@ -1487,14 +1487,14 @@ 
 	 * @since 1.0.19
      * @return float
 	 */
-	public function get_total( $context = 'view' ) {
-		$total = $this->get_prop( 'total', $context );
+	public function get_total($context = 'view') {
+		$total = $this->get_prop('total', $context);
 
-		if ( $this->has_shipping() && $context == 'view' ) {
-			$total = $this->get_prop( 'total', $context ) + $this->get_shipping( $context );
+		if ($this->has_shipping() && $context == 'view') {
+			$total = $this->get_prop('total', $context) + $this->get_shipping($context);
 		}
 
-		return wpinv_round_amount( wpinv_sanitize_amount( $total ) );
+		return wpinv_round_amount(wpinv_sanitize_amount($total));
 	}
 
 	/**
@@ -1506,20 +1506,20 @@ 
 	public function get_non_recurring_total() {
 
 		$subtotal = 0;
-		foreach ( $this->get_items() as $item ) {
-			if ( ! $item->is_recurring() ) {
+		foreach ($this->get_items() as $item) {
+			if (!$item->is_recurring()) {
 				$subtotal += $item->get_sub_total();
 			}
 		}
 
-		foreach ( $this->get_fees() as $fee ) {
-			if ( empty( $fee['recurring_fee'] ) ) {
-				$subtotal += wpinv_sanitize_amount( $fee['initial_fee'] );
+		foreach ($this->get_fees() as $fee) {
+			if (empty($fee['recurring_fee'])) {
+				$subtotal += wpinv_sanitize_amount($fee['initial_fee']);
 			}
 		}
 
-		$subtotal = wpinv_round_amount( wpinv_sanitize_amount( $subtotal ) );
-        return apply_filters( 'wpinv_get_non_recurring_invoice_total', $subtotal, $this );
+		$subtotal = wpinv_round_amount(wpinv_sanitize_amount($subtotal));
+        return apply_filters('wpinv_get_non_recurring_invoice_total', $subtotal, $this);
 
     }
 
@@ -1542,7 +1542,7 @@ 
 	 */
     public function get_initial_total() {
 
-		if ( empty( $this->totals ) ) {
+		if (empty($this->totals)) {
 			$this->recalculate_total();
 		}
 
@@ -1552,12 +1552,12 @@ 
 		$subtotal = $this->totals['subtotal']['initial'];
 		$total    = $tax + $fee - $discount + $subtotal;
 
-		if ( 0 > $total ) {
+		if (0 > $total) {
 			$total = 0;
 		}
 
-		$total = wpinv_round_amount( wpinv_sanitize_amount( $total ) );
-        return apply_filters( 'wpinv_get_initial_invoice_total', $total, $this );
+		$total = wpinv_round_amount(wpinv_sanitize_amount($total));
+        return apply_filters('wpinv_get_initial_invoice_total', $total, $this);
 	}
 
 	/**
@@ -1569,7 +1569,7 @@ 
 	 */
     public function get_recurring_total() {
 
-		if ( empty( $this->totals ) ) {
+		if (empty($this->totals)) {
 			$this->recalculate_total();
 		}
 
@@ -1579,12 +1579,12 @@ 
 		$subtotal = $this->totals['subtotal']['recurring'];
 		$total    = $tax + $fee - $discount + $subtotal;
 
-		if ( 0 > $total ) {
+		if (0 > $total) {
 			$total = 0;
 		}
 
-		$total = wpinv_round_amount( wpinv_sanitize_amount( $total ) );
-        return apply_filters( 'wpinv_get_recurring_invoice_total', $total, $this );
+		$total = wpinv_round_amount(wpinv_sanitize_amount($total));
+        return apply_filters('wpinv_get_recurring_invoice_total', $total, $this);
 	}
 
 	/**
@@ -1595,10 +1595,10 @@ 
 	 * @param string $currency Whether to include the currency.
      * @return float|string
 	 */
-    public function get_recurring_details( $field = '', $currency = false ) {
+    public function get_recurring_details($field = '', $currency = false) {
 
 		// Maybe recalculate totals.
-		if ( empty( $this->totals ) ) {
+		if (empty($this->totals)) {
 			$this->recalculate_total();
 		}
 
@@ -1618,8 +1618,8 @@ 
 			$currency
 		);
 
-        if ( isset( $data[$field] ) ) {
-            return ( $currency ? wpinv_price( $data[$field], $this->get_currency() ) : $data[$field] );
+        if (isset($data[$field])) {
+            return ($currency ? wpinv_price($data[$field], $this->get_currency()) : $data[$field]);
         }
 
         return $data;
@@ -1632,8 +1632,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_fees( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'fees', $context ) );
+	public function get_fees($context = 'view') {
+		return wpinv_parse_list($this->get_prop('fees', $context));
     }
 
     /**
@@ -1643,8 +1643,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_discounts( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'discounts', $context ) );
+	public function get_discounts($context = 'view') {
+		return wpinv_parse_list($this->get_prop('discounts', $context));
     }
 
     /**
@@ -1654,8 +1654,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-	public function get_taxes( $context = 'view' ) {
-		return wpinv_parse_list( $this->get_prop( 'taxes', $context ) );
+	public function get_taxes($context = 'view') {
+		return wpinv_parse_list($this->get_prop('taxes', $context));
     }
 
     /**
@@ -1665,8 +1665,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return GetPaid_Form_Item[]
 	 */
-	public function get_items( $context = 'view' ) {
-        return $this->get_prop( 'items', $context );
+	public function get_items($context = 'view') {
+        return $this->get_prop('items', $context);
 	}
 
 	/**
@@ -1676,7 +1676,7 @@ 
 	 * @return string
 	 */
 	public function get_item_ids() {
-		return implode( ', ', wp_list_pluck( $this->get_cart_details(), 'item_id' ) );
+		return implode(', ', wp_list_pluck($this->get_cart_details(), 'item_id'));
     }
 
     /**
@@ -1686,8 +1686,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_payment_form( $context = 'view' ) {
-		return intval( $this->get_prop( 'payment_form', $context ) );
+	public function get_payment_form($context = 'view') {
+		return intval($this->get_prop('payment_form', $context));
     }
 
     /**
@@ -1697,8 +1697,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_submission_id( $context = 'view' ) {
-		return $this->get_prop( 'submission_id', $context );
+	public function get_submission_id($context = 'view') {
+		return $this->get_prop('submission_id', $context);
     }
 
     /**
@@ -1708,8 +1708,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_discount_code( $context = 'view' ) {
-		return $this->get_prop( 'discount_code', $context );
+	public function get_discount_code($context = 'view') {
+		return $this->get_prop('discount_code', $context);
     }
 
     /**
@@ -1719,8 +1719,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_gateway( $context = 'view' ) {
-		return $this->get_prop( 'gateway', $context );
+	public function get_gateway($context = 'view') {
+		return $this->get_prop('gateway', $context);
     }
 
     /**
@@ -1730,8 +1730,8 @@ 
 	 * @return string
 	 */
     public function get_gateway_title() {
-        $title =  wpinv_get_gateway_checkout_label( $this->get_gateway() );
-        return apply_filters( 'wpinv_gateway_title', $title, $this->get_id(), $this );
+        $title = wpinv_get_gateway_checkout_label($this->get_gateway());
+        return apply_filters('wpinv_gateway_title', $title, $this->get_id(), $this);
     }
 
     /**
@@ -1741,8 +1741,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_transaction_id( $context = 'view' ) {
-		return $this->get_prop( 'transaction_id', $context );
+	public function get_transaction_id($context = 'view') {
+		return $this->get_prop('transaction_id', $context);
     }
 
     /**
@@ -1752,9 +1752,9 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_currency( $context = 'view' ) {
-        $currency = $this->get_prop( 'currency', $context );
-        return empty( $currency ) ? wpinv_get_currency() : $currency;
+	public function get_currency($context = 'view') {
+        $currency = $this->get_prop('currency', $context);
+        return empty($currency) ? wpinv_get_currency() : $currency;
     }
 
     /**
@@ -1764,8 +1764,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return bool
 	 */
-	public function get_disable_taxes( $context = 'view' ) {
-        return (bool) $this->get_prop( 'disable_taxes', $context );
+	public function get_disable_taxes($context = 'view') {
+        return (bool) $this->get_prop('disable_taxes', $context);
     }
 
     /**
@@ -1775,8 +1775,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-    public function get_subscription_id( $context = 'view' ) {
-		return $this->is_renewal() ? $this->get_parent()->get_subscription_id( $context ) : $this->get_prop( 'subscription_id', $context );
+    public function get_subscription_id($context = 'view') {
+		return $this->is_renewal() ? $this->get_parent()->get_subscription_id($context) : $this->get_prop('subscription_id', $context);
 	}
 
 	/**
@@ -1786,12 +1786,12 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-    public function get_remote_subscription_id( $context = 'view' ) {
-        $subscription_id = $this->get_prop( 'remote_subscription_id', $context );
+    public function get_remote_subscription_id($context = 'view') {
+        $subscription_id = $this->get_prop('remote_subscription_id', $context);
 
-        if ( empty( $subscription_id ) && $this->is_renewal() ) {
+        if (empty($subscription_id) && $this->is_renewal()) {
             $parent = $this->get_parent();
-            return $parent->get_remote_subscription_id( $context );
+            return $parent->get_remote_subscription_id($context);
         }
 
         return $subscription_id;
@@ -1804,20 +1804,20 @@ 
 	 * @param  string $context View or edit context.
 	 * @return array
 	 */
-    public function get_payment_meta( $context = 'view' ) {
+    public function get_payment_meta($context = 'view') {
 
         return array(
-            'price'        => $this->get_total( $context ),
-            'date'         => $this->get_date_created( $context ),
-            'user_email'   => $this->get_email( $context ),
-            'invoice_key'  => $this->get_key( $context ),
-            'currency'     => $this->get_currency( $context ),
-            'items'        => $this->get_items( $context ),
-            'user_info'    => $this->get_user_info( $context ),
+            'price'        => $this->get_total($context),
+            'date'         => $this->get_date_created($context),
+            'user_email'   => $this->get_email($context),
+            'invoice_key'  => $this->get_key($context),
+            'currency'     => $this->get_currency($context),
+            'items'        => $this->get_items($context),
+            'user_info'    => $this->get_user_info($context),
             'cart_details' => $this->get_cart_details(),
-            'status'       => $this->get_status( $context ),
-            'fees'         => $this->get_fees( $context ),
-            'taxes'        => $this->get_taxes( $context ),
+            'status'       => $this->get_status($context),
+            'fees'         => $this->get_fees($context),
+            'taxes'        => $this->get_taxes($context),
         );
 
     }
@@ -1832,9 +1832,9 @@ 
         $items        = $this->get_items();
         $cart_details = array();
 
-        foreach ( $items as $item ) {
+        foreach ($items as $item) {
 			$item->invoice_id = $this->get_id();
-            $cart_details[]   = $item->prepare_data_for_saving();
+            $cart_details[] = $item->prepare_data_for_saving();
         }
 
         return $cart_details;
@@ -1845,11 +1845,11 @@ 
 	 *
 	 * @return null|GetPaid_Form_Item|int
 	 */
-	public function get_recurring( $object = false ) {
+	public function get_recurring($object = false) {
 
 		// Are we returning an object?
-        if ( $object ) {
-            return $this->get_item( $this->recurring_item );
+        if ($object) {
+            return $this->get_item($this->recurring_item);
         }
 
         return $this->recurring_item;
@@ -1864,15 +1864,15 @@ 
 	public function get_subscription_name() {
 
 		// Retrieve the recurring name
-        $item = $this->get_recurring( true );
+        $item = $this->get_recurring(true);
 
 		// Abort if it does not exist.
-        if ( empty( $item ) ) {
+        if (empty($item)) {
             return '';
         }
 
 		// Return the item name.
-        return apply_filters( 'wpinv_invoice_get_subscription_name', $item->get_name(), $this );
+        return apply_filters('wpinv_invoice_get_subscription_name', $item->get_name(), $this);
 	}
 
 	/**
@@ -1882,9 +1882,9 @@ 
 	 * @return string
 	 */
 	public function get_view_url() {
-        $invoice_url = get_permalink( $this->get_id() );
-		$invoice_url = add_query_arg( 'invoice_key', $this->get_key(), $invoice_url );
-        return apply_filters( 'wpinv_get_view_url', $invoice_url, $this );
+        $invoice_url = get_permalink($this->get_id());
+		$invoice_url = add_query_arg('invoice_key', $this->get_key(), $invoice_url);
+        return apply_filters('wpinv_get_view_url', $invoice_url, $this);
 	}
 
 	/**
@@ -1893,25 +1893,25 @@ 
 	 * @since 1.0.19
 	 * @return string
 	 */
-	public function get_checkout_payment_url( $deprecated = false, $secret = false ) {
+	public function get_checkout_payment_url($deprecated = false, $secret = false) {
 
 		// Retrieve the checkout url.
         $pay_url = wpinv_get_checkout_uri();
 
 		// Maybe force ssl.
-        if ( is_ssl() ) {
-            $pay_url = str_replace( 'http:', 'https:', $pay_url );
+        if (is_ssl()) {
+            $pay_url = str_replace('http:', 'https:', $pay_url);
         }
 
 		// Add the invoice key.
-		$pay_url = add_query_arg( 'invoice_key', $this->get_key(), $pay_url );
+		$pay_url = add_query_arg('invoice_key', $this->get_key(), $pay_url);
 
 		// (Maybe?) add a secret
-        if ( $secret ) {
-            $pay_url = add_query_arg( array( '_wpipay' => md5( $this->get_user_id() . '::' . $this->get_email() . '::' . $this->get_key() ) ), $pay_url );
+        if ($secret) {
+            $pay_url = add_query_arg(array('_wpipay' => md5($this->get_user_id() . '::' . $this->get_email() . '::' . $this->get_key())), $pay_url);
         }
 
-        return apply_filters( 'wpinv_get_checkout_payment_url', $pay_url, $this, $deprecated, $secret );
+        return apply_filters('wpinv_get_checkout_payment_url', $pay_url, $this, $deprecated, $secret);
 	}
 	
 	/**
@@ -1926,14 +1926,14 @@ 
         $receipt_url = wpinv_get_success_page_uri();
 
 		// Maybe force ssl.
-        if ( is_ssl() ) {
-            $receipt_url = str_replace( 'http:', 'https:', $receipt_url );
+        if (is_ssl()) {
+            $receipt_url = str_replace('http:', 'https:', $receipt_url);
         }
 
 		// Add the invoice key.
-		$receipt_url = add_query_arg( 'invoice_key', $this->get_key(), $receipt_url );
+		$receipt_url = add_query_arg('invoice_key', $this->get_key(), $receipt_url);
 
-        return apply_filters( 'getpaid_get_invoice_receipt_url', $receipt_url, $this );
+        return apply_filters('getpaid_get_invoice_receipt_url', $receipt_url, $this);
 	}
 
 	/**
@@ -1943,7 +1943,7 @@ 
 	 * @return string
 	 */
 	public function get_transaction_url() {
-		return apply_filters( 'getpaid_gateway_' . $this->get_gateway() . '_transaction_url', '', $this );
+		return apply_filters('getpaid_gateway_' . $this->get_gateway() . '_transaction_url', '', $this);
 	}
 
 	/**
@@ -1956,7 +1956,7 @@ 
 
 		$type   = $this->get_type();
 		$status = "wpi-$type-pending";
-		return str_replace( '-invoice', '', $status );
+		return str_replace('-invoice', '', $status);
 
 	}
 
@@ -1970,8 +1970,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return mixed Value of the given invoice property (if set).
 	 */
-	public function get( $key, $context = 'view' ) {
-        return $this->get_prop( $key, $context );
+	public function get($key, $context = 'view') {
+        return $this->get_prop($key, $context);
 	}
 
     /*
@@ -1994,11 +1994,11 @@ 
 	 * @param  mixed $value new value.
 	 * @return mixed Value of the given invoice property (if set).
 	 */
-	public function set( $key, $value ) {
+	public function set($key, $value) {
 
         $setter = "set_$key";
-        if ( is_callable( array( $this, $setter ) ) ) {
-            $this->{$setter}( $value );
+        if (is_callable(array($this, $setter))) {
+            $this->{$setter}($value);
         }
 
 	}
@@ -2012,45 +2012,45 @@ 
 	 * @param bool   $manual_update Is this a manual status change?.
 	 * @return array details of change.
 	 */
-	public function set_status( $new_status, $note = '', $manual_update = false ) {
+	public function set_status($new_status, $note = '', $manual_update = false) {
 		$old_status = $this->get_status();
 
 		$statuses = $this->get_all_statuses();
 
-		if ( isset( $statuses[ 'draft' ] ) ) {
-			unset( $statuses[ 'draft' ] );
+		if (isset($statuses['draft'])) {
+			unset($statuses['draft']);
 		}
 
-		$this->set_prop( 'status', $new_status );
+		$this->set_prop('status', $new_status);
 
 		// If setting the status, ensure it's set to a valid status.
-		if ( true === $this->object_read ) {
+		if (true === $this->object_read) {
 
 			// Only allow valid new status.
-			if ( ! array_key_exists( $new_status, $statuses ) ) {
+			if (!array_key_exists($new_status, $statuses)) {
 				$new_status = $this->get_default_status();
 			}
 
 			// If the old status is set but unknown (e.g. draft) assume its pending for action usage.
-			if ( $old_status && ! array_key_exists( $new_status, $statuses ) ) {
+			if ($old_status && !array_key_exists($new_status, $statuses)) {
 				$old_status = $this->get_default_status();
 			}
 
 			// Paid - Renewal (i.e when duplicating a parent invoice )
-			if ( $new_status == 'wpi-pending' && $old_status == 'publish' && ! $this->get_id() ) {
+			if ($new_status == 'wpi-pending' && $old_status == 'publish' && !$this->get_id()) {
 				$old_status = 'wpi-pending';
 			}
 
-			if ( $old_status !== $new_status ) {
+			if ($old_status !== $new_status) {
 				$this->status_transition = array(
-					'from'   => ! empty( $this->status_transition['from'] ) ? $this->status_transition['from'] : $old_status,
+					'from'   => !empty($this->status_transition['from']) ? $this->status_transition['from'] : $old_status,
 					'to'     => $new_status,
 					'note'   => $note,
 					'manual' => (bool) $manual_update,
 				);
 
-				if ( $manual_update ) {
-					do_action( 'getpaid_' . $this->object_type .'_edit_status', $this->get_id(), $new_status );
+				if ($manual_update) {
+					do_action('getpaid_' . $this->object_type . '_edit_status', $this->get_id(), $new_status);
 				}
 
 				$this->maybe_set_date_paid();
@@ -2075,8 +2075,8 @@ 
 	 */
 	public function maybe_set_date_paid() {
 
-		if ( ! $this->get_date_completed( 'edit' ) && $this->is_paid() ) {
-			$this->set_date_completed( current_time( 'mysql' ) );
+		if (!$this->get_date_completed('edit') && $this->is_paid()) {
+			$this->set_date_completed(current_time('mysql'));
 		}
 	}
 
@@ -2085,11 +2085,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function set_parent_id( $value ) {
-		if ( $value && ( $value === $this->get_id() ) ) {
+	public function set_parent_id($value) {
+		if ($value && ($value === $this->get_id())) {
 			return;
 		}
-		$this->set_prop( 'parent_id', absint( $value ) );
+		$this->set_prop('parent_id', absint($value));
     }
 
     /**
@@ -2097,8 +2097,8 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function set_version( $value ) {
-		$this->set_prop( 'version', $value );
+	public function set_version($value) {
+		$this->set_prop('version', $value);
     }
 
     /**
@@ -2108,15 +2108,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_date_created( $value ) {
-        $date = strtotime( $value );
+	public function set_date_created($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'date_created', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('date_created', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-		$this->set_prop( 'date_created', '' );
+		$this->set_prop('date_created', '');
 		return false;
 
     }
@@ -2128,15 +2128,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_due_date( $value ) {
-        $date = strtotime( $value );
+	public function set_due_date($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'due_date', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('due_date', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-		$this->set_prop( 'due_date', '' );
+		$this->set_prop('due_date', '');
         return false;
 
     }
@@ -2147,8 +2147,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_date_due( $value ) {
-		$this->set_due_date( $value );
+	public function set_date_due($value) {
+		$this->set_due_date($value);
     }
 
     /**
@@ -2158,15 +2158,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_completed_date( $value ) {
-        $date = strtotime( $value );
+	public function set_completed_date($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00'  ) {
-            $this->set_prop( 'completed_date', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('completed_date', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-		$this->set_prop( 'completed_date', '' );
+		$this->set_prop('completed_date', '');
         return false;
 
     }
@@ -2177,8 +2177,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_date_completed( $value ) {
-		$this->set_completed_date( $value );
+	public function set_date_completed($value) {
+		$this->set_completed_date($value);
     }
 
     /**
@@ -2188,15 +2188,15 @@ 
 	 * @param string $value Value to set.
      * @return bool Whether or not the date was set.
 	 */
-	public function set_date_modified( $value ) {
-        $date = strtotime( $value );
+	public function set_date_modified($value) {
+        $date = strtotime($value);
 
-        if ( $date && $value !== '0000-00-00 00:00:00' ) {
-            $this->set_prop( 'date_modified', date( 'Y-m-d H:i:s', $date ) );
+        if ($date && $value !== '0000-00-00 00:00:00') {
+            $this->set_prop('date_modified', date('Y-m-d H:i:s', $date));
             return true;
         }
 
-		$this->set_prop( 'date_modified', '' );
+		$this->set_prop('date_modified', '');
         return false;
 
     }
@@ -2207,9 +2207,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New number.
 	 */
-	public function set_number( $value ) {
-        $number = sanitize_text_field( $value );
-		$this->set_prop( 'number', $number );
+	public function set_number($value) {
+        $number = sanitize_text_field($value);
+		$this->set_prop('number', $number);
     }
 
     /**
@@ -2218,9 +2218,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value Type.
 	 */
-	public function set_type( $value ) {
-        $type = sanitize_text_field( str_replace( 'wpi_', '', $value ) );
-		$this->set_prop( 'type', $type );
+	public function set_type($value) {
+        $type = sanitize_text_field(str_replace('wpi_', '', $value));
+		$this->set_prop('type', $type);
 	}
 
     /**
@@ -2229,10 +2229,10 @@ 
 	 * @since 1.0.19
 	 * @param  string $value Post type.
 	 */
-	public function set_post_type( $value ) {
-        if ( getpaid_is_invoice_post_type( $value ) ) {
-			$this->set_type( $value );
-            $this->set_prop( 'post_type', $value );
+	public function set_post_type($value) {
+        if (getpaid_is_invoice_post_type($value)) {
+			$this->set_type($value);
+            $this->set_prop('post_type', $value);
         }
     }
 
@@ -2242,9 +2242,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New key.
 	 */
-	public function set_key( $value ) {
-        $key = sanitize_text_field( $value );
-		$this->set_prop( 'key', $key );
+	public function set_key($value) {
+        $key = sanitize_text_field($value);
+		$this->set_prop('key', $key);
     }
 
     /**
@@ -2253,9 +2253,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value mode.
 	 */
-	public function set_mode( $value ) {
-        if ( in_array( $value, array( 'live', 'test' ) ) ) {
-            $this->set_prop( 'mode', $value );
+	public function set_mode($value) {
+        if (in_array($value, array('live', 'test'))) {
+            $this->set_prop('mode', $value);
         }
     }
 
@@ -2265,8 +2265,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value path.
 	 */
-	public function set_path( $value ) {
-        $this->set_prop( 'path', $value );
+	public function set_path($value) {
+        $this->set_prop('path', $value);
     }
 
     /**
@@ -2275,9 +2275,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_name( $value ) {
-        $name = sanitize_text_field( $value );
-		$this->set_prop( 'name', $name );
+	public function set_name($value) {
+        $name = sanitize_text_field($value);
+		$this->set_prop('name', $name);
     }
 
     /**
@@ -2286,8 +2286,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New name.
 	 */
-	public function set_title( $value ) {
-		$this->set_name( $value );
+	public function set_title($value) {
+		$this->set_name($value);
     }
 
     /**
@@ -2296,9 +2296,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_description( $value ) {
-        $description = wp_kses_post( $value );
-		$this->set_prop( 'description', $description );
+	public function set_description($value) {
+        $description = wp_kses_post($value);
+		$this->set_prop('description', $description);
     }
 
     /**
@@ -2307,8 +2307,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_excerpt( $value ) {
-		$this->set_description( $value );
+	public function set_excerpt($value) {
+		$this->set_description($value);
     }
 
     /**
@@ -2317,8 +2317,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_summary( $value ) {
-		$this->set_description( $value );
+	public function set_summary($value) {
+		$this->set_description($value);
     }
 
     /**
@@ -2327,12 +2327,12 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New author.
 	 */
-	public function set_author( $value ) {
-		$user = get_user_by( 'id', (int) $value );
+	public function set_author($value) {
+		$user = get_user_by('id', (int) $value);
 
-		if ( $user && $user->ID ) {
-			$this->set_prop( 'author', $user->ID );
-			$this->set_prop( 'email', $user->user_email );
+		if ($user && $user->ID) {
+			$this->set_prop('author', $user->ID);
+			$this->set_prop('email', $user->user_email);
 		}
 
     }
@@ -2343,8 +2343,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New user id.
 	 */
-	public function set_user_id( $value ) {
-		$this->set_author( $value );
+	public function set_user_id($value) {
+		$this->set_author($value);
     }
 
     /**
@@ -2353,8 +2353,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New user id.
 	 */
-	public function set_customer_id( $value ) {
-		$this->set_author( $value );
+	public function set_customer_id($value) {
+		$this->set_author($value);
     }
 
     /**
@@ -2363,8 +2363,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value ip address.
 	 */
-	public function set_ip( $value ) {
-		$this->set_prop( 'ip', $value );
+	public function set_ip($value) {
+		$this->set_prop('ip', $value);
     }
 
     /**
@@ -2373,8 +2373,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value ip address.
 	 */
-	public function set_user_ip( $value ) {
-		$this->set_ip( $value );
+	public function set_user_ip($value) {
+		$this->set_ip($value);
     }
 
     /**
@@ -2383,8 +2383,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value first name.
 	 */
-	public function set_first_name( $value ) {
-		$this->set_prop( 'first_name', $value );
+	public function set_first_name($value) {
+		$this->set_prop('first_name', $value);
     }
 
     /**
@@ -2393,8 +2393,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value first name.
 	 */
-	public function set_user_first_name( $value ) {
-		$this->set_first_name( $value );
+	public function set_user_first_name($value) {
+		$this->set_first_name($value);
     }
 
     /**
@@ -2403,8 +2403,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value first name.
 	 */
-	public function set_customer_first_name( $value ) {
-		$this->set_first_name( $value );
+	public function set_customer_first_name($value) {
+		$this->set_first_name($value);
     }
 
     /**
@@ -2413,8 +2413,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value last name.
 	 */
-	public function set_last_name( $value ) {
-		$this->set_prop( 'last_name', $value );
+	public function set_last_name($value) {
+		$this->set_prop('last_name', $value);
     }
 
     /**
@@ -2423,8 +2423,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value last name.
 	 */
-	public function set_user_last_name( $value ) {
-		$this->set_last_name( $value );
+	public function set_user_last_name($value) {
+		$this->set_last_name($value);
     }
 
     /**
@@ -2433,8 +2433,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value last name.
 	 */
-	public function set_customer_last_name( $value ) {
-		$this->set_last_name( $value );
+	public function set_customer_last_name($value) {
+		$this->set_last_name($value);
     }
 
     /**
@@ -2443,8 +2443,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_phone( $value ) {
-		$this->set_prop( 'phone', $value );
+	public function set_phone($value) {
+		$this->set_prop('phone', $value);
     }
 
     /**
@@ -2453,8 +2453,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_user_phone( $value ) {
-		$this->set_phone( $value );
+	public function set_user_phone($value) {
+		$this->set_phone($value);
     }
 
     /**
@@ -2463,8 +2463,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_customer_phone( $value ) {
-		$this->set_phone( $value );
+	public function set_customer_phone($value) {
+		$this->set_phone($value);
     }
 
     /**
@@ -2473,8 +2473,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value phone.
 	 */
-	public function set_phone_number( $value ) {
-		$this->set_phone( $value );
+	public function set_phone_number($value) {
+		$this->set_phone($value);
     }
 
     /**
@@ -2483,8 +2483,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_email( $value ) {
-		$this->set_prop( 'email', $value );
+	public function set_email($value) {
+		$this->set_prop('email', $value);
     }
 
     /**
@@ -2493,8 +2493,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_user_email( $value ) {
-		$this->set_email( $value );
+	public function set_user_email($value) {
+		$this->set_email($value);
     }
 
     /**
@@ -2503,8 +2503,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_email_address( $value ) {
-		$this->set_email( $value );
+	public function set_email_address($value) {
+		$this->set_email($value);
     }
 
     /**
@@ -2513,8 +2513,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email address.
 	 */
-	public function set_customer_email( $value ) {
-		$this->set_email( $value );
+	public function set_customer_email($value) {
+		$this->set_email($value);
     }
 
     /**
@@ -2523,8 +2523,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value country.
 	 */
-	public function set_country( $value ) {
-		$this->set_prop( 'country', $value );
+	public function set_country($value) {
+		$this->set_prop('country', $value);
     }
 
     /**
@@ -2533,8 +2533,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value country.
 	 */
-	public function set_user_country( $value ) {
-		$this->set_country( $value );
+	public function set_user_country($value) {
+		$this->set_country($value);
     }
 
     /**
@@ -2543,8 +2543,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value country.
 	 */
-	public function set_customer_country( $value ) {
-		$this->set_country( $value );
+	public function set_customer_country($value) {
+		$this->set_country($value);
     }
 
     /**
@@ -2553,8 +2553,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value state.
 	 */
-	public function set_state( $value ) {
-		$this->set_prop( 'state', $value );
+	public function set_state($value) {
+		$this->set_prop('state', $value);
     }
 
     /**
@@ -2563,8 +2563,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value state.
 	 */
-	public function set_user_state( $value ) {
-		$this->set_state( $value );
+	public function set_user_state($value) {
+		$this->set_state($value);
     }
 
     /**
@@ -2573,8 +2573,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value state.
 	 */
-	public function set_customer_state( $value ) {
-		$this->set_state( $value );
+	public function set_customer_state($value) {
+		$this->set_state($value);
     }
 
     /**
@@ -2583,8 +2583,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value city.
 	 */
-	public function set_city( $value ) {
-		$this->set_prop( 'city', $value );
+	public function set_city($value) {
+		$this->set_prop('city', $value);
     }
 
     /**
@@ -2593,8 +2593,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value city.
 	 */
-	public function set_user_city( $value ) {
-		$this->set_city( $value );
+	public function set_user_city($value) {
+		$this->set_city($value);
     }
 
     /**
@@ -2603,8 +2603,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value city.
 	 */
-	public function set_customer_city( $value ) {
-		$this->set_city( $value );
+	public function set_customer_city($value) {
+		$this->set_city($value);
     }
 
     /**
@@ -2613,8 +2613,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value zip.
 	 */
-	public function set_zip( $value ) {
-		$this->set_prop( 'zip', $value );
+	public function set_zip($value) {
+		$this->set_prop('zip', $value);
     }
 
     /**
@@ -2623,8 +2623,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value zip.
 	 */
-	public function set_user_zip( $value ) {
-		$this->set_zip( $value );
+	public function set_user_zip($value) {
+		$this->set_zip($value);
     }
 
     /**
@@ -2633,8 +2633,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value zip.
 	 */
-	public function set_customer_zip( $value ) {
-		$this->set_zip( $value );
+	public function set_customer_zip($value) {
+		$this->set_zip($value);
     }
 
     /**
@@ -2643,8 +2643,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value company.
 	 */
-	public function set_company( $value ) {
-		$this->set_prop( 'company', $value );
+	public function set_company($value) {
+		$this->set_prop('company', $value);
     }
 
     /**
@@ -2653,8 +2653,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value company.
 	 */
-	public function set_user_company( $value ) {
-		$this->set_company( $value );
+	public function set_user_company($value) {
+		$this->set_company($value);
     }
 
     /**
@@ -2663,8 +2663,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value company.
 	 */
-	public function set_customer_company( $value ) {
-		$this->set_company( $value );
+	public function set_customer_company($value) {
+		$this->set_company($value);
     }
 
 	/**
@@ -2673,8 +2673,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value company id.
 	 */
-	public function set_company_id( $value ) {
-		$this->set_prop( 'company_id', $value );
+	public function set_company_id($value) {
+		$this->set_prop('company_id', $value);
     }
 
     /**
@@ -2683,8 +2683,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_vat_number( $value ) {
-		$this->set_prop( 'vat_number', $value );
+	public function set_vat_number($value) {
+		$this->set_prop('vat_number', $value);
     }
 
     /**
@@ -2693,8 +2693,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_user_vat_number( $value ) {
-		$this->set_vat_number( $value );
+	public function set_user_vat_number($value) {
+		$this->set_vat_number($value);
     }
 
     /**
@@ -2703,8 +2703,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_customer_vat_number( $value ) {
-		$this->set_vat_number( $value );
+	public function set_customer_vat_number($value) {
+		$this->set_vat_number($value);
     }
 
     /**
@@ -2713,8 +2713,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var rate.
 	 */
-	public function set_vat_rate( $value ) {
-		$this->set_prop( 'vat_rate', $value );
+	public function set_vat_rate($value) {
+		$this->set_prop('vat_rate', $value);
     }
 
     /**
@@ -2723,8 +2723,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_user_vat_rate( $value ) {
-		$this->set_vat_rate( $value );
+	public function set_user_vat_rate($value) {
+		$this->set_vat_rate($value);
     }
 
     /**
@@ -2733,8 +2733,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value var number.
 	 */
-	public function set_customer_vat_rate( $value ) {
-		$this->set_vat_rate( $value );
+	public function set_customer_vat_rate($value) {
+		$this->set_vat_rate($value);
     }
 
     /**
@@ -2743,8 +2743,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value address.
 	 */
-	public function set_address( $value ) {
-		$this->set_prop( 'address', $value );
+	public function set_address($value) {
+		$this->set_prop('address', $value);
     }
 
     /**
@@ -2753,8 +2753,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value address.
 	 */
-	public function set_user_address( $value ) {
-		$this->set_address( $value );
+	public function set_user_address($value) {
+		$this->set_address($value);
     }
 
     /**
@@ -2763,8 +2763,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value address.
 	 */
-	public function set_customer_address( $value ) {
-		$this->set_address( $value );
+	public function set_customer_address($value) {
+		$this->set_address($value);
     }
 
     /**
@@ -2773,8 +2773,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_is_viewed( $value ) {
-		$this->set_prop( 'is_viewed', $value );
+	public function set_is_viewed($value) {
+		$this->set_prop('is_viewed', $value);
 	}
 
 	/**
@@ -2783,8 +2783,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value email recipients.
 	 */
-	public function set_email_cc( $value ) {
-		$this->set_prop( 'email_cc', $value );
+	public function set_email_cc($value) {
+		$this->set_prop('email_cc', $value);
 	}
 
 	/**
@@ -2793,9 +2793,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value template.
 	 */
-	public function set_template( $value ) {
-		if ( in_array( $value, array( 'quantity', 'hours', 'amount' ) ) ) {
-			$this->set_prop( 'template', $value );
+	public function set_template($value) {
+		if (in_array($value, array('quantity', 'hours', 'amount'))) {
+			$this->set_prop('template', $value);
 		}
 	}
 
@@ -2806,8 +2806,8 @@ 
 	 * @param  string $value source.
 	 * @deprecated
 	 */
-	public function created_via( $value ) {
-		$this->set_created_via( sanitize_text_field( $value ) );
+	public function created_via($value) {
+		$this->set_created_via(sanitize_text_field($value));
 	}
 
 	/**
@@ -2816,8 +2816,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value source.
 	 */
-	public function set_created_via( $value ) {
-		$this->set_prop( 'created_via', sanitize_text_field( $value ) );
+	public function set_created_via($value) {
+		$this->set_prop('created_via', sanitize_text_field($value));
 	}
 
 	/**
@@ -2826,8 +2826,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_address_confirmed( $value ) {
-		$this->set_prop( 'address_confirmed', $value );
+	public function set_address_confirmed($value) {
+		$this->set_prop('address_confirmed', $value);
     }
 
     /**
@@ -2836,8 +2836,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_user_address_confirmed( $value ) {
-		$this->set_address_confirmed( $value );
+	public function set_user_address_confirmed($value) {
+		$this->set_address_confirmed($value);
     }
 
     /**
@@ -2846,8 +2846,8 @@ 
 	 * @since 1.0.19
 	 * @param  int|bool $value confirmed.
 	 */
-	public function set_customer_address_confirmed( $value ) {
-		$this->set_address_confirmed( $value );
+	public function set_customer_address_confirmed($value) {
+		$this->set_address_confirmed($value);
     }
 
     /**
@@ -2856,13 +2856,13 @@ 
 	 * @since 1.0.19
 	 * @param  float $value shipping amount.
 	 */
-	public function set_shipping( $value ) {
+	public function set_shipping($value) {
 
-		if ( ! is_numeric( $value ) ) {
-			return $this->set_prop( 'shipping', null );
+		if (!is_numeric($value)) {
+			return $this->set_prop('shipping', null);
 		}
 
-		$this->set_prop( 'shipping', max( 0, floatval( $value ) ) );
+		$this->set_prop('shipping', max(0, floatval($value)));
 	}
 
 	/**
@@ -2871,8 +2871,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value sub total.
 	 */
-	public function set_subtotal( $value ) {
-		$this->set_prop( 'subtotal', max( 0, $value ) );
+	public function set_subtotal($value) {
+		$this->set_prop('subtotal', max(0, $value));
 	}
 
 	/**
@@ -2881,8 +2881,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value sub total.
 	 */
-	public function set_total( $value ) {
-		$this->set_prop( 'total', max( 0, $value ) );
+	public function set_total($value) {
+		$this->set_prop('total', max(0, $value));
     }
 
     /**
@@ -2891,8 +2891,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value discount total.
 	 */
-	public function set_total_discount( $value ) {
-		$this->set_prop( 'total_discount', max( 0, $value ) );
+	public function set_total_discount($value) {
+		$this->set_prop('total_discount', max(0, $value));
     }
 
     /**
@@ -2901,8 +2901,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value discount total.
 	 */
-	public function set_discount( $value ) {
-		$this->set_total_discount( $value );
+	public function set_discount($value) {
+		$this->set_total_discount($value);
     }
 
     /**
@@ -2911,8 +2911,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value tax total.
 	 */
-	public function set_total_tax( $value ) {
-		$this->set_prop( 'total_tax', max( 0, $value ) );
+	public function set_total_tax($value) {
+		$this->set_prop('total_tax', max(0, $value));
     }
 
     /**
@@ -2921,8 +2921,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value tax total.
 	 */
-	public function set_tax_total( $value ) {
-		$this->set_total_tax( $value );
+	public function set_tax_total($value) {
+		$this->set_total_tax($value);
     }
 
     /**
@@ -2931,8 +2931,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value fees total.
 	 */
-	public function set_total_fees( $value ) {
-		$this->set_prop( 'total_fees', max( 0, $value ) );
+	public function set_total_fees($value) {
+		$this->set_prop('total_fees', max(0, $value));
     }
 
     /**
@@ -2941,8 +2941,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value fees total.
 	 */
-	public function set_fees_total( $value ) {
-		$this->set_total_fees( $value );
+	public function set_fees_total($value) {
+		$this->set_total_fees($value);
     }
 
     /**
@@ -2951,13 +2951,13 @@ 
 	 * @since 1.0.19
 	 * @param  array $value fees.
 	 */
-	public function set_fees( $value ) {
+	public function set_fees($value) {
 
-		if ( ! is_array( $value ) ) {
+		if (!is_array($value)) {
 			$value = array();
 		}
 
-		$this->set_prop( 'fees', $value );
+		$this->set_prop('fees', $value);
 
     }
 
@@ -2967,13 +2967,13 @@ 
 	 * @since 1.0.19
 	 * @param  array $value taxes.
 	 */
-	public function set_taxes( $value ) {
+	public function set_taxes($value) {
 
-		if ( ! is_array( $value ) ) {
+		if (!is_array($value)) {
 			$value = array();
 		}
 
-		$this->set_prop( 'taxes', $value );
+		$this->set_prop('taxes', $value);
 
     }
 
@@ -2983,13 +2983,13 @@ 
 	 * @since 1.0.19
 	 * @param  array $value discounts.
 	 */
-	public function set_discounts( $value ) {
+	public function set_discounts($value) {
 
-		if ( ! is_array( $value ) ) {
+		if (!is_array($value)) {
 			$value = array();
 		}
 
-		$this->set_prop( 'discounts', $value );
+		$this->set_prop('discounts', $value);
     }
 
     /**
@@ -2998,19 +2998,19 @@ 
 	 * @since 1.0.19
 	 * @param  GetPaid_Form_Item[] $value items.
 	 */
-	public function set_items( $value ) {
+	public function set_items($value) {
 
         // Remove existing items.
-        $this->set_prop( 'items', array() );
+        $this->set_prop('items', array());
 		$this->recurring_item = null;
 
         // Ensure that we have an array.
-        if ( ! is_array( $value ) ) {
+        if (!is_array($value)) {
             return;
         }
 
-        foreach ( $value as $item ) {
-            $this->add_item( $item );
+        foreach ($value as $item) {
+            $this->add_item($item);
         }
 
     }
@@ -3021,8 +3021,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value payment form.
 	 */
-	public function set_payment_form( $value ) {
-		$this->set_prop( 'payment_form', $value );
+	public function set_payment_form($value) {
+		$this->set_prop('payment_form', $value);
     }
 
     /**
@@ -3031,8 +3031,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value submission id.
 	 */
-	public function set_submission_id( $value ) {
-		$this->set_prop( 'submission_id', $value );
+	public function set_submission_id($value) {
+		$this->set_prop('submission_id', $value);
     }
 
     /**
@@ -3041,8 +3041,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value discount code.
 	 */
-	public function set_discount_code( $value ) {
-		$this->set_prop( 'discount_code', sanitize_text_field( $value ) );
+	public function set_discount_code($value) {
+		$this->set_prop('discount_code', sanitize_text_field($value));
     }
 
     /**
@@ -3051,8 +3051,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value gateway.
 	 */
-	public function set_gateway( $value ) {
-		$this->set_prop( 'gateway', $value );
+	public function set_gateway($value) {
+		$this->set_prop('gateway', $value);
     }
 
     /**
@@ -3061,9 +3061,9 @@ 
 	 * @since 1.0.19
 	 * @param  string $value transaction id.
 	 */
-	public function set_transaction_id( $value ) {
-		if ( ! empty( $value ) ) {
-			$this->set_prop( 'transaction_id', $value );
+	public function set_transaction_id($value) {
+		if (!empty($value)) {
+			$this->set_prop('transaction_id', $value);
 		}
     }
 
@@ -3073,8 +3073,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value currency id.
 	 */
-	public function set_currency( $value ) {
-		$this->set_prop( 'currency', $value );
+	public function set_currency($value) {
+		$this->set_prop('currency', $value);
     }
 
 	/**
@@ -3083,8 +3083,8 @@ 
 	 * @since 1.0.19
 	 * @param  bool $value value.
 	 */
-	public function set_disable_taxes( $value ) {
-		$this->set_prop( 'disable_taxes', (bool) $value );
+	public function set_disable_taxes($value) {
+		$this->set_prop('disable_taxes', (bool) $value);
 	}
 
     /**
@@ -3093,8 +3093,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value subscription id.
 	 */
-	public function set_subscription_id( $value ) {
-		$this->set_prop( 'subscription_id', $value );
+	public function set_subscription_id($value) {
+		$this->set_prop('subscription_id', $value);
 	}
 	
 	/**
@@ -3103,8 +3103,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value subscription id.
 	 */
-	public function set_remote_subscription_id( $value ) {
-		$this->set_prop( 'remote_subscription_id', $value );
+	public function set_remote_subscription_id($value) {
+		$this->set_prop('remote_subscription_id', $value);
     }
 
     /*
@@ -3121,28 +3121,28 @@ 
      */
     public function is_parent() {
         $parent = $this->get_parent_id();
-        return apply_filters( 'wpinv_invoice_is_parent', empty( $parent ), $this );
+        return apply_filters('wpinv_invoice_is_parent', empty($parent), $this);
     }
 
     /**
      * Checks if this is a renewal invoice.
      */
     public function is_renewal() {
-        return $this->is_recurring() && ! $this->is_parent();
+        return $this->is_recurring() && !$this->is_parent();
     }
 
     /**
      * Checks if this is a recurring invoice.
      */
     public function is_recurring() {
-        return ! empty( $this->recurring_item );
+        return !empty($this->recurring_item);
     }
 
     /**
      * Checks if this is a taxable invoice.
      */
     public function is_taxable() {
-        return ! $this->get_disable_taxes();
+        return !$this->get_disable_taxes();
 	}
 
 	/**
@@ -3156,45 +3156,45 @@ 
 	 * Checks to see if the invoice requires payment.
 	 */
 	public function is_free() {
-        $is_free = ( (float) wpinv_round_amount( $this->get_initial_total() ) == 0 );
+        $is_free = ((float) wpinv_round_amount($this->get_initial_total()) == 0);
 
-		if ( $this->is_recurring() && $this->get_recurring_total() > 0 ) {
+		if ($this->is_recurring() && $this->get_recurring_total() > 0) {
 			$is_free = false;
 		}
 
-        return apply_filters( 'wpinv_invoice_is_free', $is_free, $this );
+        return apply_filters('wpinv_invoice_is_free', $is_free, $this);
     }
 
     /**
      * Checks if the invoice is paid.
      */
     public function is_paid() {
-        $is_paid = $this->has_status( array( 'publish', 'wpi-processing', 'wpi-renewal' ) );
-        return apply_filters( 'wpinv_invoice_is_paid', $is_paid, $this );
+        $is_paid = $this->has_status(array('publish', 'wpi-processing', 'wpi-renewal'));
+        return apply_filters('wpinv_invoice_is_paid', $is_paid, $this);
 	}
 
 	/**
      * Checks if the invoice needs payment.
      */
 	public function needs_payment() {
-		$needs_payment = ! $this->is_paid() && ! $this->is_refunded() && ! $this->is_free();
-        return apply_filters( 'wpinv_needs_payment', $needs_payment, $this );
+		$needs_payment = !$this->is_paid() && !$this->is_refunded() && !$this->is_free();
+        return apply_filters('wpinv_needs_payment', $needs_payment, $this);
     }
   
 	/**
      * Checks if the invoice is refunded.
      */
 	public function is_refunded() {
-        $is_refunded = $this->has_status( 'wpi-refunded' );
-        return apply_filters( 'wpinv_invoice_is_refunded', $is_refunded, $this );
+        $is_refunded = $this->has_status('wpi-refunded');
+        return apply_filters('wpinv_invoice_is_refunded', $is_refunded, $this);
 	}
 
 	/**
      * Checks if the invoice is held.
      */
 	public function is_held() {
-        $is_held = $this->has_status( 'wpi-onhold' );
-        return apply_filters( 'wpinv_invoice_is_held', $is_held, $this );
+        $is_held = $this->has_status('wpi-onhold');
+        return apply_filters('wpinv_invoice_is_held', $is_held, $this);
 	}
 
 	/**
@@ -3202,30 +3202,30 @@ 
      */
 	public function is_due() {
 		$due_date = $this->get_due_date();
-		return empty( $due_date ) ? false : current_time( 'timestamp' ) > strtotime( $due_date );
+		return empty($due_date) ? false : current_time('timestamp') > strtotime($due_date);
 	}
 
 	/**
      * Checks if the invoice is draft.
      */
 	public function is_draft() {
-        return $this->has_status( 'draft, auto-draft' );
+        return $this->has_status('draft, auto-draft');
 	}
 
     /**
      * Checks if the invoice has a given status.
      */
-    public function has_status( $status ) {
-        $status = wpinv_parse_list( $status );
-        return apply_filters( 'wpinv_has_status', in_array( $this->get_status(), $status ), $status );
+    public function has_status($status) {
+        $status = wpinv_parse_list($status);
+        return apply_filters('wpinv_has_status', in_array($this->get_status(), $status), $status);
 	}
 
 	/**
      * Checks if the invoice is of a given type.
      */
-    public function is_type( $type ) {
-        $type = wpinv_parse_list( $type );
-        return in_array( $this->get_type(), $type );
+    public function is_type($type) {
+        $type = wpinv_parse_list($type);
+        return in_array($this->get_type(), $type);
     }
 
     /**
@@ -3257,8 +3257,8 @@ 
      *
      */
 	public function is_initial_free() {
-        $is_initial_free = ! ( (float) wpinv_round_amount( $this->get_initial_total() ) > 0 );
-        return apply_filters( 'wpinv_invoice_is_initial_free', $is_initial_free, $this->get_cart_details(), $this );
+        $is_initial_free = !((float) wpinv_round_amount($this->get_initial_total()) > 0);
+        return apply_filters('wpinv_invoice_is_initial_free', $is_initial_free, $this->get_cart_details(), $this);
     }
 	
 	/**
@@ -3268,11 +3268,11 @@ 
     public function item_has_free_trial() {
 
         // Ensure we have a recurring item.
-        if ( ! $this->is_recurring() ) {
+        if (!$this->is_recurring()) {
             return false;
         }
 
-        $item = $this->get_recurring( true );
+        $item = $this->get_recurring(true);
         return $item->has_free_trial();
 	}
 
@@ -3280,7 +3280,7 @@ 
      * Check if the free trial is a result of a discount.
      */
     public function is_free_trial_from_discount() {
-		return $this->has_free_trial() && ! $this->item_has_free_trial();
+		return $this->has_free_trial() && !$this->item_has_free_trial();
 	}
 	
 	/**
@@ -3288,12 +3288,12 @@ 
      */
     public function discount_first_payment_only() {
 
-		$discount = wpinv_get_discount_obj( $this->get_discount_code() );
-        if ( ! $discount->exists() || ! $this->is_recurring() ) {
+		$discount = wpinv_get_discount_obj($this->get_discount_code());
+        if (!$discount->exists() || !$this->is_recurring()) {
             return true;
         }
 
-        return ! $discount->get_is_recurring();
+        return !$discount->get_is_recurring();
     }
 
     /*
@@ -3311,23 +3311,23 @@ 
      * @param GetPaid_Form_Item|array $item
      * @return WP_Error|Bool
      */
-    public function add_item( $item ) {
+    public function add_item($item) {
 
-		if ( is_array( $item ) ) {
-			$item = $this->process_array_item( $item );
+		if (is_array($item)) {
+			$item = $this->process_array_item($item);
 		}
 
-		if ( is_numeric( $item ) ) {
-			$item = new GetPaid_Form_Item( $item );
+		if (is_numeric($item)) {
+			$item = new GetPaid_Form_Item($item);
 		}
 
         // Make sure that it is available for purchase.
-		if ( $item->get_id() > 0 && ! $item->can_purchase() ) {
-			return new WP_Error( 'invalid_item', __( 'This item is not available for purchase', 'invoicing' ) );
+		if ($item->get_id() > 0 && !$item->can_purchase()) {
+			return new WP_Error('invalid_item', __('This item is not available for purchase', 'invoicing'));
         }
 
         // Do we have a recurring item?
-		if ( $item->is_recurring() ) {
+		if ($item->is_recurring()) {
 			$this->recurring_item = $item->get_id();
         }
 
@@ -3335,9 +3335,9 @@ 
         $item->invoice_id = (int) $this->get_id();
 
 		// Remove duplicates.
-		$this->remove_item( $item->get_id() );
+		$this->remove_item($item->get_id());
 
-		if ( 0 == $item->get_quantity() ) {
+		if (0 == $item->get_quantity()) {
 			return;
 		}
 
@@ -3347,7 +3347,7 @@ 
 		// Add new item.
         $items[] = $item;
 
-        $this->set_prop( 'items', $items );
+        $this->set_prop('items', $items);
 
 		return true;
 	}
@@ -3358,26 +3358,26 @@ 
 	 * @since 1.0.19
 	 * @return GetPaid_Form_Item
 	 */
-	protected function process_array_item( $array ) {
+	protected function process_array_item($array) {
 
-		$item_id = isset( $array['item_id'] ) ? $array['item_id'] : 0;
-		$item    = new GetPaid_Form_Item( $item_id );
+		$item_id = isset($array['item_id']) ? $array['item_id'] : 0;
+		$item    = new GetPaid_Form_Item($item_id);
 
 		// Set item data.
-		foreach ( array( 'name', 'price', 'description' ) as $key ) {
-			if ( isset( $array[ "item_$key" ] ) ) {
+		foreach (array('name', 'price', 'description') as $key) {
+			if (isset($array["item_$key"])) {
 				$method = "set_$key";
-				$item->$method( $array[ "item_$key" ] );
+				$item->$method($array["item_$key"]);
 			}
 		}
 
-		if ( isset( $array['quantity'] ) ) {
-			$item->set_quantity( $array['quantity'] );
+		if (isset($array['quantity'])) {
+			$item->set_quantity($array['quantity']);
 		}
 
 		// Set item meta.
-		if ( isset( $array['meta'] ) && is_array( $array['meta'] ) ) {
-			$item->set_item_meta( $array['meta'] );
+		if (isset($array['meta']) && is_array($array['meta'])) {
+			$item->set_item_meta($array['meta']);
 		}
 
 		return $item;
@@ -3390,10 +3390,10 @@ 
 	 * @since 1.0.19
 	 * @return GetPaid_Form_Item|null
 	 */
-	public function get_item( $item_id ) {
+	public function get_item($item_id) {
 
-		foreach ( $this->get_items() as $item ) {
-			if ( (int) $item_id == $item->get_id() ) {
+		foreach ($this->get_items() as $item) {
+			if ((int) $item_id == $item->get_id()) {
 				return $item;
 			}
 		}
@@ -3406,16 +3406,16 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_item( $item_id ) {
+	public function remove_item($item_id) {
 		$items   = $this->get_items();
 		$item_id = (int) $item_id;
 
-		foreach ( $items as $index => $item ) {
-			if ( (int) $item_id == $item->get_id() ) {
-				unset( $items[ $index ] );
-				$this->set_prop( 'items', $items );
+		foreach ($items as $index => $item) {
+			if ((int) $item_id == $item->get_id()) {
+				unset($items[$index]);
+				$this->set_prop('items', $items);
 
-				if ( $item_id == $this->recurring_item ) {
+				if ($item_id == $this->recurring_item) {
 					$this->recurring_item = null;
 				}
 
@@ -3430,11 +3430,11 @@ 
 	 * @param array $fee An array of fee details. name, initial_fee, and recurring_fee are required.
 	 * @since 1.0.19
 	 */
-    public function add_fee( $fee ) {
+    public function add_fee($fee) {
 
 		$fees                 = $this->get_fees();
-		$fees[ $fee['name'] ] = $fee;
-		$this->set_prop( 'fees', $fees );
+		$fees[$fee['name']] = $fee;
+		$this->set_prop('fees', $fees);
 
     }
 
@@ -3443,9 +3443,9 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function get_fee( $fee ) {
+	public function get_fee($fee) {
         $fees = $this->get_fees();
-		return isset( $fees[ $fee ] ) ? $fees[ $fee ] : null;
+		return isset($fees[$fee]) ? $fees[$fee] : null;
     }
 
     /**
@@ -3453,11 +3453,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_fee( $fee ) {
+	public function remove_fee($fee) {
         $fees = $this->get_fees();
-        if ( isset( $fees[ $fee ] ) ) {
-            unset( $fees[ $fee ] );
-            $this->set_prop( 'fees', $fees );
+        if (isset($fees[$fee])) {
+            unset($fees[$fee]);
+            $this->set_prop('fees', $fees);
         }
     }
 
@@ -3467,11 +3467,11 @@ 
 	 * @param array $discount An array of discount details. name, initial_discount, and recurring_discount are required. Include discount_code if the discount is from a discount code.
 	 * @since 1.0.19
 	 */
-	public function add_discount( $discount ) {
+	public function add_discount($discount) {
 
 		$discounts = $this->get_discounts();
-		$discounts[ $discount['name'] ] = $discount;
-		$this->set_prop( 'discounts', $discounts );
+		$discounts[$discount['name']] = $discount;
+		$this->set_prop('discounts', $discounts);
 
 	}
 
@@ -3481,15 +3481,15 @@ 
 	 * @since 1.0.19
 	 * @return float
 	 */
-	public function get_discount( $discount = false ) {
+	public function get_discount($discount = false) {
 
 		// Backwards compatibilty.
-		if ( empty( $discount ) ) {
+		if (empty($discount)) {
 			return $this->get_total_discount();
 		}
 
         $discounts = $this->get_discounts();
-		return isset( $discounts[ $discount ] ) ? $discounts[ $discount ] : null;
+		return isset($discounts[$discount]) ? $discounts[$discount] : null;
     }
 
     /**
@@ -3497,15 +3497,15 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_discount( $discount ) {
+	public function remove_discount($discount) {
         $discounts = $this->get_discounts();
-        if ( isset( $discounts[ $discount ] ) ) {
-            unset( $discounts[ $discount ] );
-            $this->set_prop( 'discounts', $discounts );
+        if (isset($discounts[$discount])) {
+            unset($discounts[$discount]);
+            $this->set_prop('discounts', $discounts);
         }
 
-		if ( 'discount_code' == $discount ) {
-			foreach ( $this->get_items() as $item ) {
+		if ('discount_code' == $discount) {
+			foreach ($this->get_items() as $item) {
 				$item->item_discount           = 0;
 				$item->recurring_item_discount = 0;
 			}
@@ -3518,12 +3518,12 @@ 
      *
      * @param array $tax An array of tax details. name, initial_tax, and recurring_tax are required.
      */
-    public function add_tax( $tax ) {
-        if ( $this->is_taxable() ) {
+    public function add_tax($tax) {
+        if ($this->is_taxable()) {
 
-            $taxes                 = $this->get_taxes();
-			$taxes[ $tax['name'] ] = $tax;
-			$this->set_prop( 'taxes', $tax );
+            $taxes = $this->get_taxes();
+			$taxes[$tax['name']] = $tax;
+			$this->set_prop('taxes', $tax);
 
         }
     }
@@ -3533,15 +3533,15 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function get_tax( $tax = null ) {
+	public function get_tax($tax = null) {
 
 		// Backwards compatility.
-		if ( empty( $tax ) ) {
+		if (empty($tax)) {
 			return $this->get_total_tax();
 		}
 
         $taxes = $this->get_taxes();
-		return isset( $taxes[ $tax ] ) ? $taxes[ $tax ] : null;
+		return isset($taxes[$tax]) ? $taxes[$tax] : null;
     }
 
     /**
@@ -3549,11 +3549,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function remove_tax( $tax ) {
+	public function remove_tax($tax) {
         $taxes = $this->get_taxes();
-        if ( isset( $taxes[ $tax ] ) ) {
-            unset( $taxes[ $tax ] );
-            $this->set_prop( 'taxes', $taxes );
+        if (isset($taxes[$tax])) {
+            unset($taxes[$tax]);
+            $this->set_prop('taxes', $taxes);
         }
     }
 
@@ -3564,22 +3564,22 @@ 
 	 * @return float The recalculated subtotal
 	 */
 	public function recalculate_subtotal() {
-        $items     = $this->get_items();
+        $items = $this->get_items();
 		$subtotal  = 0;
 		$recurring = 0;
 
-        foreach ( $items as $item ) {
-			$subtotal  += $item->get_sub_total( 'edit' );
-			$recurring += $item->get_recurring_sub_total( 'edit' );
+        foreach ($items as $item) {
+			$subtotal  += $item->get_sub_total('edit');
+			$recurring += $item->get_recurring_sub_total('edit');
         }
 
-		if ( wpinv_prices_include_tax() ) {
-			$subtotal  = max( 0, $subtotal - $this->totals['tax']['initial'] );
-			$recurring = max( 0, $recurring - $this->totals['tax']['recurring'] );
+		if (wpinv_prices_include_tax()) {
+			$subtotal  = max(0, $subtotal - $this->totals['tax']['initial']);
+			$recurring = max(0, $recurring - $this->totals['tax']['recurring']);
 		}
 
 		$current = $this->is_renewal() ? $recurring : $subtotal;
-		$this->set_subtotal( $current );
+		$this->set_subtotal($current);
 
 		$this->totals['subtotal'] = array(
 			'initial'   => $subtotal,
@@ -3600,14 +3600,14 @@ 
 		$discount  = 0;
 		$recurring = 0;
 
-        foreach ( $discounts as $data ) {
-			$discount  += wpinv_sanitize_amount( $data['initial_discount'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_discount'] );
+        foreach ($discounts as $data) {
+			$discount  += wpinv_sanitize_amount($data['initial_discount']);
+			$recurring += wpinv_sanitize_amount($data['recurring_discount']);
 		}
 
 		$current = $this->is_renewal() ? $recurring : $discount;
 
-		$this->set_total_discount( $current );
+		$this->set_total_discount($current);
 
 		$this->totals['discount'] = array(
 			'initial'   => $discount,
@@ -3628,13 +3628,13 @@ 
 
 		// Maybe disable taxes.
 		$vat_number = $this->get_vat_number();
-		$skip_tax   = GetPaid_Payment_Form_Submission_Taxes::is_eu_transaction( $this->get_country() ) && ! empty( $vat_number );
+		$skip_tax   = GetPaid_Payment_Form_Submission_Taxes::is_eu_transaction($this->get_country()) && !empty($vat_number);
 
-		if ( wpinv_is_base_country( $this->get_country() ) && 'vat_too' == wpinv_get_option( 'vat_same_country_rule', 'vat_too' ) ) {
+		if (wpinv_is_base_country($this->get_country()) && 'vat_too' == wpinv_get_option('vat_same_country_rule', 'vat_too')) {
 			$skip_tax = false;
 		}
 
-		if ( ! wpinv_use_taxes() || $this->get_disable_taxes() || ! wpinv_is_country_taxable( $this->get_country() ) || $skip_tax   ) {
+		if (!wpinv_use_taxes() || $this->get_disable_taxes() || !wpinv_is_country_taxable($this->get_country()) || $skip_tax) {
 
 			$this->totals['tax'] = array(
 				'initial'   => 0,
@@ -3643,38 +3643,38 @@ 
 
 			$this->tax_rate = 0;
 
-			$this->set_taxes( array() );
+			$this->set_taxes(array());
 			$current = 0;
 		} else {
 
 			$item_taxes = array();
 
-			foreach ( $this->get_items() as $item ) {
-				$rates    = getpaid_get_item_tax_rates( $item, $this->get_country(), $this->get_state() );
-				$rates    = getpaid_filter_item_tax_rates( $item, $rates );
-				$taxes    = getpaid_calculate_item_taxes( getpaid_get_taxable_amount( $item, false ), $rates );
-				$r_taxes  = getpaid_calculate_item_taxes( getpaid_get_taxable_amount( $item, true ), $rates );
-				foreach ( $taxes as $name => $amount ) {
-					$recurring = isset( $r_taxes[ $name ] ) ? $r_taxes[ $name ] : 0;
-					$tax       = getpaid_prepare_item_tax( $item, $name, $amount, $recurring );
-
-					if ( ! isset( $item_taxes[ $name ] ) ) {
-						$item_taxes[ $name ] = $tax;
+			foreach ($this->get_items() as $item) {
+				$rates    = getpaid_get_item_tax_rates($item, $this->get_country(), $this->get_state());
+				$rates    = getpaid_filter_item_tax_rates($item, $rates);
+				$taxes    = getpaid_calculate_item_taxes(getpaid_get_taxable_amount($item, false), $rates);
+				$r_taxes  = getpaid_calculate_item_taxes(getpaid_get_taxable_amount($item, true), $rates);
+				foreach ($taxes as $name => $amount) {
+					$recurring = isset($r_taxes[$name]) ? $r_taxes[$name] : 0;
+					$tax       = getpaid_prepare_item_tax($item, $name, $amount, $recurring);
+
+					if (!isset($item_taxes[$name])) {
+						$item_taxes[$name] = $tax;
 						continue;
 					}
 
-					$item_taxes[ $name ]['initial_tax']   += $tax['initial_tax'];
-					$item_taxes[ $name ]['recurring_tax'] += $tax['recurring_tax'];
+					$item_taxes[$name]['initial_tax']   += $tax['initial_tax'];
+					$item_taxes[$name]['recurring_tax'] += $tax['recurring_tax'];
 
 				}
 
 			}
 
-			$item_taxes = array_replace( $this->get_taxes(), $item_taxes );
-			$this->set_taxes( $item_taxes );
+			$item_taxes = array_replace($this->get_taxes(), $item_taxes);
+			$this->set_taxes($item_taxes);
 
-			$initial_tax   = array_sum( wp_list_pluck( $item_taxes, 'initial_tax' ) );
-			$recurring_tax = array_sum( wp_list_pluck( $item_taxes, 'recurring_tax' ) );
+			$initial_tax   = array_sum(wp_list_pluck($item_taxes, 'initial_tax'));
+			$recurring_tax = array_sum(wp_list_pluck($item_taxes, 'recurring_tax'));
 
 			$current = $this->is_renewal() ? $recurring_tax : $initial_tax;
 
@@ -3685,7 +3685,7 @@ 
 
 		}
 
-		$this->set_total_tax( $current );
+		$this->set_total_tax($current);
 
 		return $current;
 
@@ -3702,20 +3702,20 @@ 
 		$fee       = 0;
 		$recurring = 0;
 
-        foreach ( $fees as $data ) {
-			$fee       += wpinv_sanitize_amount( $data['initial_fee'] );
-			$recurring += wpinv_sanitize_amount( $data['recurring_fee'] );
+        foreach ($fees as $data) {
+			$fee       += wpinv_sanitize_amount($data['initial_fee']);
+			$recurring += wpinv_sanitize_amount($data['recurring_fee']);
 		}
 
 		$current = $this->is_renewal() ? $recurring : $fee;
-		$this->set_total_fees( $current );
+		$this->set_total_fees($current);
 
 		$this->totals['fee'] = array(
 			'initial'   => $fee,
 			'recurring' => $recurring,
 		);
 
-        $this->set_total_fees( $fee );
+        $this->set_total_fees($fee);
         return $current;
     }
 
@@ -3730,7 +3730,7 @@ 
         $this->recalculate_total_discount();
 		$this->recalculate_total_tax();
 		$this->recalculate_subtotal();
-		$this->set_total( $this->get_total_tax( 'edit' ) + $this->get_total_fees( 'edit' ) + $this->get_subtotal( 'edit' ) - $this->get_total_discount( 'edit' ) );
+		$this->set_total($this->get_total_tax('edit') + $this->get_total_fees('edit') + $this->get_subtotal('edit') - $this->get_total_discount('edit'));
 		return $this->get_total();
 	}
 
@@ -3739,7 +3739,7 @@ 
 	 */
     public function recalculate_totals() {
         $this->recalculate_total();
-        $this->save( true );
+        $this->save(true);
         return $this;
     }
 
@@ -3757,8 +3757,8 @@ 
 	 * @return int|false The new note's ID on success, false on failure.
      *
      */
-    public function add_system_note( $note ) {
-		return $this->add_note( $note, false, false, true );
+    public function add_system_note($note) {
+		return $this->add_note($note, false, false, true);
 	}
 
     /**
@@ -3768,10 +3768,10 @@ 
 	 * @return int|false The new note's ID on success, false on failure.
      *
      */
-    public function add_note( $note = '', $customer_type = false, $added_by_user = false, $system = false ) {
+    public function add_note($note = '', $customer_type = false, $added_by_user = false, $system = false) {
 
         // Bail if no note specified or this invoice is not yet saved.
-        if ( ! $note || $this->get_id() == 0 || ( ! is_user_logged_in() && ! $system ) ) {
+        if (!$note || $this->get_id() == 0 || (!is_user_logged_in() && !$system)) {
             return false;
         }
 
@@ -3779,23 +3779,23 @@ 
 		$author_email = 'bot@wpinvoicing.com';
 
 		// If this is an admin comment or it has been added by the user.
-		if ( is_user_logged_in() && ( ! $system || $added_by_user ) ) {
-			$user         = get_user_by( 'id', get_current_user_id() );
+		if (is_user_logged_in() && (!$system || $added_by_user)) {
+			$user = get_user_by('id', get_current_user_id());
             $author       = $user->display_name;
             $author_email = $user->user_email;
 		}
 
-		return getpaid_notes()->add_invoice_note( $this, $note, $author, $author_email, $customer_type );
+		return getpaid_notes()->add_invoice_note($this, $note, $author, $author_email, $customer_type);
 
 	}
 
 	/**
      * Generates a unique key for the invoice.
      */
-    public function generate_key( $string = '' ) {
-        $auth_key  = defined( 'AUTH_KEY' ) ? AUTH_KEY : '';
+    public function generate_key($string = '') {
+        $auth_key = defined('AUTH_KEY') ? AUTH_KEY : '';
         return strtolower(
-            $string . md5( $this->get_id() . date( 'Y-m-d H:i:s' ) . $auth_key . uniqid( 'wpinv', true ) )
+            $string . md5($this->get_id() . date('Y-m-d H:i:s') . $auth_key . uniqid('wpinv', true))
         );
     }
 
@@ -3805,11 +3805,11 @@ 
     public function generate_number() {
         $number = $this->get_id();
 
-        if ( wpinv_sequential_number_active( $this->get_post_type() ) ) {
-            $number = wpinv_get_next_invoice_number( $this->get_post_type() );
+        if (wpinv_sequential_number_active($this->get_post_type())) {
+            $number = wpinv_get_next_invoice_number($this->get_post_type());
         }
 
-		return wpinv_format_invoice_number( $number, $this->get_post_type() );
+		return wpinv_format_invoice_number($number, $this->get_post_type());
 
 	}
 
@@ -3822,55 +3822,55 @@ 
 		// Reset status transition variable.
 		$this->status_transition = false;
 
-		if ( $status_transition ) {
+		if ($status_transition) {
 			try {
 
 				// Fire a hook for the status change.
-				do_action( 'getpaid_invoice_status_' . $status_transition['to'], $this, $status_transition );
+				do_action('getpaid_invoice_status_' . $status_transition['to'], $this, $status_transition);
 
 				// @deprecated this is deprecated and will be removed in the future.
-				do_action( 'wpinv_status_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
+				do_action('wpinv_status_' . $status_transition['to'], $this->get_id(), $status_transition['from']);
 
-				if ( ! empty( $status_transition['from'] ) ) {
+				if (!empty($status_transition['from'])) {
 
 					/* translators: 1: old invoice status 2: new invoice status */
-					$transition_note = sprintf( __( 'Status changed from %1$s to %2$s.', 'invoicing' ), wpinv_status_nicename( $status_transition['from'], $this ), wpinv_status_nicename( $status_transition['to'], $this  ) );
+					$transition_note = sprintf(__('Status changed from %1$s to %2$s.', 'invoicing'), wpinv_status_nicename($status_transition['from'], $this), wpinv_status_nicename($status_transition['to'], $this));
 
 					// Fire another hook.
-					do_action( 'getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this );
-					do_action( 'getpaid_invoice_status_changed', $this, $status_transition['from'], $status_transition['to'] );
+					do_action('getpaid_invoice_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this);
+					do_action('getpaid_invoice_status_changed', $this, $status_transition['from'], $status_transition['to']);
 
 					// @deprecated this is deprecated and will be removed in the future.
-					do_action( 'wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $status_transition['from'] );
+					do_action('wpinv_status_' . $status_transition['from'] . '_to_' . $status_transition['to'], $this->get_id(), $status_transition['from']);
 
 					// Note the transition occurred.
-					$this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), false, $status_transition['manual'] );
+					$this->add_note(trim($status_transition['note'] . ' ' . $transition_note), false, $status_transition['manual']);
 
 					// Work out if this was for a payment, and trigger a payment_status hook instead.
 					if (
-						in_array( $status_transition['from'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
-						&& in_array( $status_transition['to'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
+						in_array($status_transition['from'], array('wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold'), true)
+						&& in_array($status_transition['to'], array('publish', 'wpi-processing', 'wpi-renewal'), true)
 					) {
-						do_action( 'getpaid_invoice_payment_status_changed', $this, $status_transition );
+						do_action('getpaid_invoice_payment_status_changed', $this, $status_transition);
 					}
 
 					// Work out if this was for a payment reversal, and trigger a payment_status_reversed hook instead.
 					if (
-						in_array( $status_transition['from'], array( 'publish', 'wpi-processing', 'wpi-renewal' ), true )
-						&& in_array( $status_transition['to'], array( 'wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold' ), true )
+						in_array($status_transition['from'], array('publish', 'wpi-processing', 'wpi-renewal'), true)
+						&& in_array($status_transition['to'], array('wpi-cancelled', 'wpi-pending', 'wpi-failed', 'wpi-refunded', 'wpi-onhold'), true)
 					) {
-						do_action( 'getpaid_invoice_payment_status_reversed', $this, $status_transition );
+						do_action('getpaid_invoice_payment_status_reversed', $this, $status_transition);
 					}
 				} else {
 					/* translators: %s: new invoice status */
-					$transition_note = sprintf( __( 'Status set to %s.', 'invoicing' ), wpinv_status_nicename( $status_transition['to'], $this  ) );
+					$transition_note = sprintf(__('Status set to %s.', 'invoicing'), wpinv_status_nicename($status_transition['to'], $this));
 
 					// Note the transition occurred.
-					$this->add_note( trim( $status_transition['note'] . ' ' . $transition_note ), 0, $status_transition['manual'] );
+					$this->add_note(trim($status_transition['note'] . ' ' . $transition_note), 0, $status_transition['manual']);
 
 				}
-			} catch ( Exception $e ) {
-				$this->add_note( __( 'Error during status transition.', 'invoicing' ) . ' ' . $e->getMessage() );
+			} catch (Exception $e) {
+				$this->add_note(__('Error during status transition.', 'invoicing') . ' ' . $e->getMessage());
 			}
 		}
 	}
@@ -3878,13 +3878,13 @@ 
 	/**
 	 * Updates an invoice status.
 	 */
-	public function update_status( $new_status = false, $note = '', $manual = false ) {
+	public function update_status($new_status = false, $note = '', $manual = false) {
 
 		// Fires before updating a status.
-		do_action( 'wpinv_before_invoice_status_change', $this->get_id(), $new_status, $this->get_status( 'edit' ) );
+		do_action('wpinv_before_invoice_status_change', $this->get_id(), $new_status, $this->get_status('edit'));
 
 		// Update the status.
-		$this->set_status( $new_status, $note, $manual );
+		$this->set_status($new_status, $note, $manual);
 
 		// Save the order.
 		return $this->save();
@@ -3895,18 +3895,18 @@ 
 	 * @deprecated
 	 */
 	public function refresh_item_ids() {
-        $item_ids = implode( ',', array_unique( wp_list_pluck( $this->get_cart_details(), 'item_id' ) ) );
-        update_post_meta( $this->get_id(), '_wpinv_item_ids', $item_ids );
+        $item_ids = implode(',', array_unique(wp_list_pluck($this->get_cart_details(), 'item_id')));
+        update_post_meta($this->get_id(), '_wpinv_item_ids', $item_ids);
 	}
 
 	/**
 	 * @deprecated
 	 */
-	public function update_items( $temp = false ) {
+	public function update_items($temp = false) {
 
-		$this->set_items( $this->get_items() );
+		$this->set_items($this->get_items());
 
-		if ( ! $temp ) {
+		if (!$temp) {
 			$this->save();
 		}
 
@@ -3920,11 +3920,11 @@ 
 
         $discount_code = $this->get_discount_code();
 
-        if ( empty( $discount_code ) ) {
+        if (empty($discount_code)) {
             return false;
         }
 
-        $discount = wpinv_get_discount_obj( $discount_code );
+        $discount = wpinv_get_discount_obj($discount_code);
 
         // Ensure it is active.
         return $discount->exists();
@@ -3935,7 +3935,7 @@ 
 	 * Refunds an invoice.
 	 */
     public function refund() {
-		$this->set_status( 'wpi-refunded' );
+		$this->set_status('wpi-refunded');
         $this->save();
 	}
 
@@ -3944,53 +3944,53 @@ 
 	 * 
 	 * @param string $transaction_id
 	 */
-    public function mark_paid( $transaction_id = null, $note = '' ) {
+    public function mark_paid($transaction_id = null, $note = '') {
 
 		// Set the transaction id.
-		if ( empty( $transaction_id ) ) {
+		if (empty($transaction_id)) {
 			$transaction_id = $this->generate_key('trans_');
 		}
 
-		if ( ! $this->get_transaction_id() ) {
-			$this->set_transaction_id( $transaction_id );
+		if (!$this->get_transaction_id()) {
+			$this->set_transaction_id($transaction_id);
 		}
 
-		if ( $this->is_paid() && 'wpi-processing' != $this->get_status() ) {
+		if ($this->is_paid() && 'wpi-processing' != $this->get_status()) {
 			return $this->save();
 		}
 
 		// Set the completed date.
-		$this->set_date_completed( current_time( 'mysql' ) );
+		$this->set_date_completed(current_time('mysql'));
 
 		// Set the new status.
-		$gateway = sanitize_text_field( $this->get_gateway_title() );
-		if ( $this->is_renewal() || ! $this->is_parent() ) {
+		$gateway = sanitize_text_field($this->get_gateway_title());
+		if ($this->is_renewal() || !$this->is_parent()) {
 
-			$_note = wp_sprintf( __( 'Renewed via %s', 'invoicing' ), $gateway );
-			$_note = $_note . empty( $note ) ? '' : " ($note)";
+			$_note = wp_sprintf(__('Renewed via %s', 'invoicing'), $gateway);
+			$_note = $_note . empty($note) ? '' : " ($note)";
 
-			if ( 'none' == $this->get_gateway() ) {
+			if ('none' == $this->get_gateway()) {
 				$_note = $note;
 			}
 
-			$this->set_status( 'wpi-renewal', $_note );
+			$this->set_status('wpi-renewal', $_note);
 
 		} else {
 
-			$_note = wp_sprintf( __( 'Paid via %s', 'invoicing' ), $gateway );
-			$_note = $_note . empty( $note ) ? '' : " ($note)";
+			$_note = wp_sprintf(__('Paid via %s', 'invoicing'), $gateway);
+			$_note = $_note . empty($note) ? '' : " ($note)";
 
-			if ( 'none' == $this->get_gateway() ) {
+			if ('none' == $this->get_gateway()) {
 				$_note = $note;
 			}
 
-			$this->set_status( 'publish', $_note );
+			$this->set_status('publish', $_note);
 
 		}
 
 		// Set checkout mode.
-		$mode = wpinv_is_test_mode( $this->get_gateway() ) ? 'test' : 'live';
-		$this->set_mode( $mode );
+		$mode = wpinv_is_test_mode($this->get_gateway()) ? 'test' : 'live';
+		$this->set_mode($mode);
 
 		// Save the invoice.
         $this->save();
@@ -4015,9 +4015,9 @@ 
      * Clears the subscription's cache.
      */
     public function clear_cache() {
-		wp_cache_delete( $this->get_key(), 'getpaid_invoice_keys_to_invoice_ids' );
-		wp_cache_delete( $this->get_number(), 'getpaid_invoice_numbers_to_invoice_ids' );
-		wp_cache_delete( $this->get_transaction_id(), 'getpaid_invoice_transaction_ids_to_invoice_ids' );
+		wp_cache_delete($this->get_key(), 'getpaid_invoice_keys_to_invoice_ids');
+		wp_cache_delete($this->get_number(), 'getpaid_invoice_numbers_to_invoice_ids');
+		wp_cache_delete($this->get_transaction_id(), 'getpaid_invoice_transaction_ids_to_invoice_ids');
 	}
 
 }

includes/admin/class-getpaid-post-types-admin.php

Indentation +730 added lines, -730 removed lines

@@ -13,732 +13,732 @@ 
 class GetPaid_Post_Types_Admin {
 
     /**
-	 * Hook in methods.
-	 */
-	public static function init() {
-
-		// Init metaboxes.
-		GetPaid_Metaboxes::init();
-
-		// Filter the post updated messages.
-		add_filter( 'post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages' );
-
-		// Filter post actions.
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2 );
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2 );
-
-		// Invoice table columns.
-		add_filter( 'manage_wpi_invoice_posts_columns', array( __CLASS__, 'invoice_columns' ), 100 );
-		add_action( 'manage_wpi_invoice_posts_custom_column', array( __CLASS__, 'display_invoice_columns' ), 10, 2 );
-		add_filter( 'bulk_actions-edit-wpi_invoice', array( __CLASS__, 'invoice_bulk_actions' ) );
-		add_filter( 'handle_bulk_actions-edit-wpi_invoice', array( __CLASS__, 'handle_invoice_bulk_actions' ), 10, 3 );
-
-		// Items table columns.
-		add_filter( 'manage_wpi_item_posts_columns', array( __CLASS__, 'item_columns' ), 100 );
-		add_filter( 'manage_edit-wpi_item_sortable_columns', array( __CLASS__, 'sortable_item_columns' ), 20 );
-		add_action( 'manage_wpi_item_posts_custom_column', array( __CLASS__, 'display_item_columns' ), 10, 2 );
-		add_action( 'restrict_manage_posts', array( __CLASS__, 'add_item_filters' ), 100 );
-		add_action( 'parse_query', array( __CLASS__, 'filter_item_query' ), 100 );
-		add_action( 'request', array( __CLASS__, 'reorder_items' ), 100 );
-
-		// Payment forms columns.
-		add_filter( 'manage_wpi_payment_form_posts_columns', array( __CLASS__, 'payment_form_columns' ), 100 );
-		add_action( 'manage_wpi_payment_form_posts_custom_column', array( __CLASS__, 'display_payment_form_columns' ), 10, 2 );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_payment_form_state' ), 10, 2 );
-
-		// Discount table columns.
-		add_filter( 'manage_wpi_discount_posts_columns', array( __CLASS__, 'discount_columns' ), 100 );
-		add_filter( 'bulk_actions-edit-wpi_discount', '__return_empty_array', 100 );
-
-		// Deleting posts.
-		add_action( 'delete_post', array( __CLASS__, 'delete_post' ) );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_discount_state' ), 10, 2 );
-
-		add_filter( 'display_post_states', array( __CLASS__, 'add_display_post_states' ), 10, 2 );
-	}
-
-	/**
-	 * Post updated messages.
-	 */
-	public static function post_updated_messages( $messages ) {
-		global $post;
-
-		$messages['wpi_discount'] = array(
-			0   => '',
-			1   => __( 'Discount updated.', 'invoicing' ),
-			2   => __( 'Custom field updated.', 'invoicing' ),
-			3   => __( 'Custom field deleted.', 'invoicing' ),
-			4   => __( 'Discount updated.', 'invoicing' ),
-			5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Discount restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6   => __( 'Discount updated.', 'invoicing' ),
-			7   => __( 'Discount saved.', 'invoicing' ),
-			8   => __( 'Discount submitted.', 'invoicing' ),
-			9   => wp_sprintf( __( 'Discount scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10  => __( 'Discount draft updated.', 'invoicing' ),
-		);
-
-		$messages['wpi_payment_form'] = array(
-			0   => '',
-			1   => __( 'Payment Form updated.', 'invoicing' ),
-			2   => __( 'Custom field updated.', 'invoicing' ),
-			3   => __( 'Custom field deleted.', 'invoicing' ),
-			4   => __( 'Payment Form updated.', 'invoicing' ),
-			5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Payment Form restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6   => __( 'Payment Form updated.', 'invoicing' ),
-			7   => __( 'Payment Form saved.', 'invoicing' ),
-			8   => __( 'Payment Form submitted.', 'invoicing' ),
-			9   => wp_sprintf( __( 'Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10  => __( 'Payment Form draft updated.', 'invoicing' ),
-		);
-
-		return $messages;
-
-	}
-
-	/**
-	 * Post row actions.
-	 */
-	public static function post_row_actions( $actions, $post ) {
-
-		$post = get_post( $post );
-
-		// We do not want to edit the default payment form.
-		if ( 'wpi_payment_form' == $post->post_type ) {
-
-			if ( $post->ID == wpinv_get_default_payment_form() ) {
-				unset( $actions['trash'] );
-				unset( $actions['inline hide-if-no-js'] );
-			}
-
-			$actions['duplicate'] =  sprintf(
-				'<a href="%1$s">%2$s</a>',
-				esc_url(
-					wp_nonce_url(
-						add_query_arg(
-							array(
-								'getpaid-admin-action' => 'duplicate_form',
-								'form_id'              => $post->ID
-							)
-						),
-						'getpaid-nonce',
-						'getpaid-nonce'
-					)
-				),
-				esc_html( __( 'Duplicate', 'invoicing' ) )
-			);
-
-		}
-
-		// Link to item payment form.
-		if ( 'wpi_item' == $post->post_type ) {
-
-			if ( in_array( get_post_meta( $post->ID, '_wpinv_type', true ), array( '', 'fee', 'custom' ) ) ) {
-
-				$actions['buy'] =  sprintf(
-					'<a href="%1$s">%2$s</a>',
-					esc_url( getpaid_embed_url( false, $post->ID . '|0' ) ),
-					esc_html( __( 'Buy', 'invoicing' ) )
-				);
-
-			}
-
-		}
-
-		return $actions;
-	}
-
-	/**
+     * Hook in methods.
+     */
+    public static function init() {
+
+        // Init metaboxes.
+        GetPaid_Metaboxes::init();
+
+        // Filter the post updated messages.
+        add_filter( 'post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages' );
+
+        // Filter post actions.
+        add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2 );
+        add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2 );
+
+        // Invoice table columns.
+        add_filter( 'manage_wpi_invoice_posts_columns', array( __CLASS__, 'invoice_columns' ), 100 );
+        add_action( 'manage_wpi_invoice_posts_custom_column', array( __CLASS__, 'display_invoice_columns' ), 10, 2 );
+        add_filter( 'bulk_actions-edit-wpi_invoice', array( __CLASS__, 'invoice_bulk_actions' ) );
+        add_filter( 'handle_bulk_actions-edit-wpi_invoice', array( __CLASS__, 'handle_invoice_bulk_actions' ), 10, 3 );
+
+        // Items table columns.
+        add_filter( 'manage_wpi_item_posts_columns', array( __CLASS__, 'item_columns' ), 100 );
+        add_filter( 'manage_edit-wpi_item_sortable_columns', array( __CLASS__, 'sortable_item_columns' ), 20 );
+        add_action( 'manage_wpi_item_posts_custom_column', array( __CLASS__, 'display_item_columns' ), 10, 2 );
+        add_action( 'restrict_manage_posts', array( __CLASS__, 'add_item_filters' ), 100 );
+        add_action( 'parse_query', array( __CLASS__, 'filter_item_query' ), 100 );
+        add_action( 'request', array( __CLASS__, 'reorder_items' ), 100 );
+
+        // Payment forms columns.
+        add_filter( 'manage_wpi_payment_form_posts_columns', array( __CLASS__, 'payment_form_columns' ), 100 );
+        add_action( 'manage_wpi_payment_form_posts_custom_column', array( __CLASS__, 'display_payment_form_columns' ), 10, 2 );
+        add_filter( 'display_post_states', array( __CLASS__, 'filter_payment_form_state' ), 10, 2 );
+
+        // Discount table columns.
+        add_filter( 'manage_wpi_discount_posts_columns', array( __CLASS__, 'discount_columns' ), 100 );
+        add_filter( 'bulk_actions-edit-wpi_discount', '__return_empty_array', 100 );
+
+        // Deleting posts.
+        add_action( 'delete_post', array( __CLASS__, 'delete_post' ) );
+        add_filter( 'display_post_states', array( __CLASS__, 'filter_discount_state' ), 10, 2 );
+
+        add_filter( 'display_post_states', array( __CLASS__, 'add_display_post_states' ), 10, 2 );
+    }
+
+    /**
+     * Post updated messages.
+     */
+    public static function post_updated_messages( $messages ) {
+        global $post;
+
+        $messages['wpi_discount'] = array(
+            0   => '',
+            1   => __( 'Discount updated.', 'invoicing' ),
+            2   => __( 'Custom field updated.', 'invoicing' ),
+            3   => __( 'Custom field deleted.', 'invoicing' ),
+            4   => __( 'Discount updated.', 'invoicing' ),
+            5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Discount restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
+            6   => __( 'Discount updated.', 'invoicing' ),
+            7   => __( 'Discount saved.', 'invoicing' ),
+            8   => __( 'Discount submitted.', 'invoicing' ),
+            9   => wp_sprintf( __( 'Discount scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
+            10  => __( 'Discount draft updated.', 'invoicing' ),
+        );
+
+        $messages['wpi_payment_form'] = array(
+            0   => '',
+            1   => __( 'Payment Form updated.', 'invoicing' ),
+            2   => __( 'Custom field updated.', 'invoicing' ),
+            3   => __( 'Custom field deleted.', 'invoicing' ),
+            4   => __( 'Payment Form updated.', 'invoicing' ),
+            5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Payment Form restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
+            6   => __( 'Payment Form updated.', 'invoicing' ),
+            7   => __( 'Payment Form saved.', 'invoicing' ),
+            8   => __( 'Payment Form submitted.', 'invoicing' ),
+            9   => wp_sprintf( __( 'Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
+            10  => __( 'Payment Form draft updated.', 'invoicing' ),
+        );
+
+        return $messages;
+
+    }
+
+    /**
+     * Post row actions.
+     */
+    public static function post_row_actions( $actions, $post ) {
+
+        $post = get_post( $post );
+
+        // We do not want to edit the default payment form.
+        if ( 'wpi_payment_form' == $post->post_type ) {
+
+            if ( $post->ID == wpinv_get_default_payment_form() ) {
+                unset( $actions['trash'] );
+                unset( $actions['inline hide-if-no-js'] );
+            }
+
+            $actions['duplicate'] =  sprintf(
+                '<a href="%1$s">%2$s</a>',
+                esc_url(
+                    wp_nonce_url(
+                        add_query_arg(
+                            array(
+                                'getpaid-admin-action' => 'duplicate_form',
+                                'form_id'              => $post->ID
+                            )
+                        ),
+                        'getpaid-nonce',
+                        'getpaid-nonce'
+                    )
+                ),
+                esc_html( __( 'Duplicate', 'invoicing' ) )
+            );
+
+        }
+
+        // Link to item payment form.
+        if ( 'wpi_item' == $post->post_type ) {
+
+            if ( in_array( get_post_meta( $post->ID, '_wpinv_type', true ), array( '', 'fee', 'custom' ) ) ) {
+
+                $actions['buy'] =  sprintf(
+                    '<a href="%1$s">%2$s</a>',
+                    esc_url( getpaid_embed_url( false, $post->ID . '|0' ) ),
+                    esc_html( __( 'Buy', 'invoicing' ) )
+                );
+
+            }
+
+        }
+
+        return $actions;
+    }
+
+    /**
      * Remove bulk edit option from admin side quote listing
      *
      * @since    1.0.0
      * @param array $actions post actions
-	 * @param WP_Post $post
+     * @param WP_Post $post
      * @return array $actions actions without edit option
      */
     public static function filter_invoice_row_actions( $actions, $post ) {
 
         if ( getpaid_is_invoice_post_type( $post->post_type ) ) {
 
-			$actions = array();
-			$invoice = new WPInv_Invoice( $post );
-
-			$actions['edit'] =  sprintf(
-				'<a href="%1$s">%2$s</a>',
-				esc_url( get_edit_post_link( $invoice->get_id() ) ),
-				esc_html( __( 'Edit', 'invoicing' ) )
-			);
-
-			if ( ! $invoice->is_draft() ) {
-
-				$actions['view'] =  sprintf(
-					'<a href="%1$s">%2$s</a>',
-					esc_url( $invoice->get_view_url() ),
-					sprintf(
-						esc_html( __( 'View %s', 'invoicing' ) ),
-						getpaid_get_post_type_label( $invoice->get_post_type(), false )
-					)
-				);
-
-				$actions['send'] =  sprintf(
-					'<a href="%1$s">%2$s</a>',
-					esc_url(
-						wp_nonce_url(
-							add_query_arg(
-								array(
-									'getpaid-admin-action' => 'send_invoice',
-									'invoice_id'           => $invoice->get_id()
-								)
-							),
-							'getpaid-nonce',
-							'getpaid-nonce'
-						)
-					),
-					esc_html( __( 'Send to Customer', 'invoicing' ) )
-				);
-
-			}
-
-			$actions['duplicate'] =  sprintf(
-				'<a href="%1$s">%2$s</a>',
-				esc_url(
-					wp_nonce_url(
-						add_query_arg(
-							array(
-								'getpaid-admin-action' => 'duplicate_invoice',
-								'invoice_id'           => $post->ID
-							)
-						),
-						'getpaid-nonce',
-						'getpaid-nonce'
-					)
-				),
-				esc_html( __( 'Duplicate', 'invoicing' ) )
-			);
+            $actions = array();
+            $invoice = new WPInv_Invoice( $post );
+
+            $actions['edit'] =  sprintf(
+                '<a href="%1$s">%2$s</a>',
+                esc_url( get_edit_post_link( $invoice->get_id() ) ),
+                esc_html( __( 'Edit', 'invoicing' ) )
+            );
+
+            if ( ! $invoice->is_draft() ) {
+
+                $actions['view'] =  sprintf(
+                    '<a href="%1$s">%2$s</a>',
+                    esc_url( $invoice->get_view_url() ),
+                    sprintf(
+                        esc_html( __( 'View %s', 'invoicing' ) ),
+                        getpaid_get_post_type_label( $invoice->get_post_type(), false )
+                    )
+                );
+
+                $actions['send'] =  sprintf(
+                    '<a href="%1$s">%2$s</a>',
+                    esc_url(
+                        wp_nonce_url(
+                            add_query_arg(
+                                array(
+                                    'getpaid-admin-action' => 'send_invoice',
+                                    'invoice_id'           => $invoice->get_id()
+                                )
+                            ),
+                            'getpaid-nonce',
+                            'getpaid-nonce'
+                        )
+                    ),
+                    esc_html( __( 'Send to Customer', 'invoicing' ) )
+                );
+
+            }
+
+            $actions['duplicate'] =  sprintf(
+                '<a href="%1$s">%2$s</a>',
+                esc_url(
+                    wp_nonce_url(
+                        add_query_arg(
+                            array(
+                                'getpaid-admin-action' => 'duplicate_invoice',
+                                'invoice_id'           => $post->ID
+                            )
+                        ),
+                        'getpaid-nonce',
+                        'getpaid-nonce'
+                    )
+                ),
+                esc_html( __( 'Duplicate', 'invoicing' ) )
+            );
 
         }
 
         return $actions;
-	}
-
-	/**
-	 * Returns an array of invoice table columns.
-	 */
-	public static function invoice_columns( $columns ) {
-
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'number'            => __( 'Invoice', 'invoicing' ),
-			'customer'          => __( 'Customer', 'invoicing' ),
-			'invoice_date'      => __( 'Created', 'invoicing' ),
-			'payment_date'      => __( 'Completed', 'invoicing' ),
-			'amount'            => __( 'Amount', 'invoicing' ),
-			'recurring'         => __( 'Recurring', 'invoicing' ),
-			'status'            => __( 'Status', 'invoicing' ),
-		);
-
-		return apply_filters( 'wpi_invoice_table_columns', $columns );
-	}
-
-	/**
-	 * Displays invoice table columns.
-	 */
-	public static function display_invoice_columns( $column_name, $post_id ) {
-
-		$invoice = new WPInv_Invoice( $post_id );
-
-		switch ( $column_name ) {
-
-			case 'invoice_date' :
-				$date_time = esc_attr( $invoice->get_created_date() );
-				$date      = getpaid_format_date_value( $date_time, "&mdash;", true );
-				echo "<span title='$date_time'>$date</span>";
-				break;
-
-			case 'payment_date' :
-
-				if ( $invoice->is_paid() ) {
-					$date_time = esc_attr( $invoice->get_completed_date() );
-					$date      = getpaid_format_date_value( $date_time, "&mdash;", true );
-					echo "<span title='$date_time'>$date</span>";
-				} else {
-					echo "&mdash;";
-				}
+    }
+
+    /**
+     * Returns an array of invoice table columns.
+     */
+    public static function invoice_columns( $columns ) {
+
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'number'            => __( 'Invoice', 'invoicing' ),
+            'customer'          => __( 'Customer', 'invoicing' ),
+            'invoice_date'      => __( 'Created', 'invoicing' ),
+            'payment_date'      => __( 'Completed', 'invoicing' ),
+            'amount'            => __( 'Amount', 'invoicing' ),
+            'recurring'         => __( 'Recurring', 'invoicing' ),
+            'status'            => __( 'Status', 'invoicing' ),
+        );
+
+        return apply_filters( 'wpi_invoice_table_columns', $columns );
+    }
+
+    /**
+     * Displays invoice table columns.
+     */
+    public static function display_invoice_columns( $column_name, $post_id ) {
+
+        $invoice = new WPInv_Invoice( $post_id );
+
+        switch ( $column_name ) {
+
+            case 'invoice_date' :
+                $date_time = esc_attr( $invoice->get_created_date() );
+                $date      = getpaid_format_date_value( $date_time, "&mdash;", true );
+                echo "<span title='$date_time'>$date</span>";
+                break;
+
+            case 'payment_date' :
+
+                if ( $invoice->is_paid() ) {
+                    $date_time = esc_attr( $invoice->get_completed_date() );
+                    $date      = getpaid_format_date_value( $date_time, "&mdash;", true );
+                    echo "<span title='$date_time'>$date</span>";
+                } else {
+                    echo "&mdash;";
+                }
 				
-				break;
+                break;
 
-			case 'amount' :
+            case 'amount' :
 
-				$amount = $invoice->get_total();
-				$formated_amount = wpinv_price( $amount, $invoice->get_currency() );
+                $amount = $invoice->get_total();
+                $formated_amount = wpinv_price( $amount, $invoice->get_currency() );
 
-				if ( $invoice->is_refunded() ) {
-					$refunded_amount = wpinv_price( 0, $invoice->get_currency() );
-					echo "<del>$formated_amount</del>&nbsp;<ins>$refunded_amount</ins>";
-				} else {
+                if ( $invoice->is_refunded() ) {
+                    $refunded_amount = wpinv_price( 0, $invoice->get_currency() );
+                    echo "<del>$formated_amount</del>&nbsp;<ins>$refunded_amount</ins>";
+                } else {
 
-					$discount = $invoice->get_total_discount();
+                    $discount = $invoice->get_total_discount();
 
-					if ( ! empty( $discount ) ) {
-						$new_amount = wpinv_price( $amount + $discount, $invoice->get_currency() );
-						echo "<del>$new_amount</del>&nbsp;<ins>$formated_amount</ins>";
-					} else {
-						echo $formated_amount;
-					}
+                    if ( ! empty( $discount ) ) {
+                        $new_amount = wpinv_price( $amount + $discount, $invoice->get_currency() );
+                        echo "<del>$new_amount</del>&nbsp;<ins>$formated_amount</ins>";
+                    } else {
+                        echo $formated_amount;
+                    }
 
-				}
+                }
 
-				break;
+                break;
 
-			case 'status' :
-				$status       = esc_html( $invoice->get_status() );
-				$status_label = esc_html( $invoice->get_status_nicename() );
+            case 'status' :
+                $status       = esc_html( $invoice->get_status() );
+                $status_label = esc_html( $invoice->get_status_nicename() );
 
-				// If it is paid, show the gateway title.
-				if ( $invoice->is_paid() ) {
-					$gateway = esc_html( $invoice->get_gateway_title() );
-					$gateway = wp_sprintf( esc_attr__( 'Paid via %s', 'invoicing' ), $gateway );
+                // If it is paid, show the gateway title.
+                if ( $invoice->is_paid() ) {
+                    $gateway = esc_html( $invoice->get_gateway_title() );
+                    $gateway = wp_sprintf( esc_attr__( 'Paid via %s', 'invoicing' ), $gateway );
 
-					echo "<mark class='wpi-help-tip getpaid-invoice-status $status' title='$gateway'><span>$status_label</span></mark>";
-				} else {
-					echo "<mark class='getpaid-invoice-status $status'><span>$status_label</span></mark>";
-				}
+                    echo "<mark class='wpi-help-tip getpaid-invoice-status $status' title='$gateway'><span>$status_label</span></mark>";
+                } else {
+                    echo "<mark class='getpaid-invoice-status $status'><span>$status_label</span></mark>";
+                }
 
-				// If it is not paid, display the overdue and view status.
-				if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) {
+                // If it is not paid, display the overdue and view status.
+                if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) {
 
-					// Invoice view status.
-					if ( wpinv_is_invoice_viewed( $invoice->get_id() ) ) {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="'. esc_attr__( 'Viewed by Customer', 'invoicing' ).'"></i>';
-					} else {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="'. esc_attr__( 'Not Viewed by Customer', 'invoicing' ).'"></i>';
-					}
+                    // Invoice view status.
+                    if ( wpinv_is_invoice_viewed( $invoice->get_id() ) ) {
+                        echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="'. esc_attr__( 'Viewed by Customer', 'invoicing' ).'"></i>';
+                    } else {
+                        echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="'. esc_attr__( 'Not Viewed by Customer', 'invoicing' ).'"></i>';
+                    }
 
-					// Display the overview status.
-					if ( wpinv_get_option( 'overdue_active' ) ) {
-						$due_date = $invoice->get_due_date();
-						$fomatted = getpaid_format_date( $due_date );
+                    // Display the overview status.
+                    if ( wpinv_get_option( 'overdue_active' ) ) {
+                        $due_date = $invoice->get_due_date();
+                        $fomatted = getpaid_format_date( $due_date );
 
-						if ( ! empty( $fomatted ) ) {
-							$date = wp_sprintf( __( 'Due %s', 'invoicing' ), $fomatted );
-							echo "<p class='description' style='color: #888;' title='$due_date'>$fomatted</p>";
-						}
-					}
+                        if ( ! empty( $fomatted ) ) {
+                            $date = wp_sprintf( __( 'Due %s', 'invoicing' ), $fomatted );
+                            echo "<p class='description' style='color: #888;' title='$due_date'>$fomatted</p>";
+                        }
+                    }
 
-				}
+                }
 
-				break;
+                break;
 
-			case 'recurring':
+            case 'recurring':
 
-				if ( $invoice->is_recurring() ) {
-					echo '<i class="fa fa-check" style="color:#43850a;"></i>';
-				} else {
-					echo '<i class="fa fa-times" style="color:#616161;"></i>';
-				}
-				break;
+                if ( $invoice->is_recurring() ) {
+                    echo '<i class="fa fa-check" style="color:#43850a;"></i>';
+                } else {
+                    echo '<i class="fa fa-times" style="color:#616161;"></i>';
+                }
+                break;
 
-			case 'number' :
+            case 'number' :
 
-				$edit_link       = esc_url( get_edit_post_link( $invoice->get_id() ) );
-				$invoice_number  = esc_html( $invoice->get_number() );
-				$invoice_details = esc_attr__( 'View Invoice Details', 'invoicing' );
+                $edit_link       = esc_url( get_edit_post_link( $invoice->get_id() ) );
+                $invoice_number  = esc_html( $invoice->get_number() );
+                $invoice_details = esc_attr__( 'View Invoice Details', 'invoicing' );
 
-				echo "<a href='$edit_link' title='$invoice_details'><strong>$invoice_number</strong></a>";
+                echo "<a href='$edit_link' title='$invoice_details'><strong>$invoice_number</strong></a>";
 
-				break;
+                break;
 
-			case 'customer' :
+            case 'customer' :
 	
-				$customer_name = $invoice->get_user_full_name();
+                $customer_name = $invoice->get_user_full_name();
 	
-				if ( empty( $customer_name ) ) {
-					$customer_name = $invoice->get_email();
-				}
+                if ( empty( $customer_name ) ) {
+                    $customer_name = $invoice->get_email();
+                }
 	
-				if ( ! empty( $customer_name ) ) {
-					$customer_details = esc_attr__( 'View Customer Details', 'invoicing' );
-					$view_link        = esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), admin_url( 'user-edit.php' ) ) );
-					echo "<a href='$view_link' title='$customer_details'><span>$customer_name</span></a>";
-				} else {
-					echo '<div>&mdash;</div>';
-				}
+                if ( ! empty( $customer_name ) ) {
+                    $customer_details = esc_attr__( 'View Customer Details', 'invoicing' );
+                    $view_link        = esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), admin_url( 'user-edit.php' ) ) );
+                    echo "<a href='$view_link' title='$customer_details'><span>$customer_name</span></a>";
+                } else {
+                    echo '<div>&mdash;</div>';
+                }
 
-				break;
+                break;
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Displays invoice bulk actions.
-	 */
-	public static function invoice_bulk_actions( $actions ) {
-		$actions['resend-invoice'] = __( 'Send to Customer', 'invoicing' );
-		return $actions;
-	}
+    /**
+     * Displays invoice bulk actions.
+     */
+    public static function invoice_bulk_actions( $actions ) {
+        $actions['resend-invoice'] = __( 'Send to Customer', 'invoicing' );
+        return $actions;
+    }
 
-	/**
-	 * Processes invoice bulk actions.
-	 */
-	public static function handle_invoice_bulk_actions( $redirect_url, $action, $post_ids ) {
+    /**
+     * Processes invoice bulk actions.
+     */
+    public static function handle_invoice_bulk_actions( $redirect_url, $action, $post_ids ) {
 
-		if ( $action == 'resend-invoice' ) {
-			foreach ( $post_ids as $post_id ) {
-				getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $post_id ), true );
-			}
-		}
+        if ( $action == 'resend-invoice' ) {
+            foreach ( $post_ids as $post_id ) {
+                getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $post_id ), true );
+            }
+        }
 
-		return $redirect_url;
+        return $redirect_url;
 
-	}
+    }
 
-	/**
-	 * Returns an array of payment forms table columns.
-	 */
-	public static function payment_form_columns( $columns ) {
+    /**
+     * Returns an array of payment forms table columns.
+     */
+    public static function payment_form_columns( $columns ) {
 
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'shortcode'         => __( 'Shortcode', 'invoicing' ),
-			'earnings'          => __( 'Revenue', 'invoicing' ),
-			'refunds'           => __( 'Refunded', 'invoicing' ),
-			'items'             => __( 'Items', 'invoicing' ),
-			'date'              => __( 'Date', 'invoicing' ),
-		);
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'title'             => __( 'Name', 'invoicing' ),
+            'shortcode'         => __( 'Shortcode', 'invoicing' ),
+            'earnings'          => __( 'Revenue', 'invoicing' ),
+            'refunds'           => __( 'Refunded', 'invoicing' ),
+            'items'             => __( 'Items', 'invoicing' ),
+            'date'              => __( 'Date', 'invoicing' ),
+        );
 
-		return apply_filters( 'wpi_payment_form_table_columns', $columns );
+        return apply_filters( 'wpi_payment_form_table_columns', $columns );
 
-	}
+    }
 
-	/**
-	 * Displays payment form table columns.
-	 */
-	public static function display_payment_form_columns( $column_name, $post_id ) {
+    /**
+     * Displays payment form table columns.
+     */
+    public static function display_payment_form_columns( $column_name, $post_id ) {
 
-		// Retrieve the payment form.
-		$form = new GetPaid_Payment_Form( $post_id );
+        // Retrieve the payment form.
+        $form = new GetPaid_Payment_Form( $post_id );
 
-		switch ( $column_name ) {
+        switch ( $column_name ) {
 
-			case 'earnings' :
-				echo wpinv_price( $form->get_earned() );
-				break;
+            case 'earnings' :
+                echo wpinv_price( $form->get_earned() );
+                break;
 
-			case 'refunds' :
-				echo wpinv_price( $form->get_refunded() );
-				break;
+            case 'refunds' :
+                echo wpinv_price( $form->get_refunded() );
+                break;
 
-			case 'refunds' :
-				echo wpinv_price( $form->get_refunded() );
-				break;
+            case 'refunds' :
+                echo wpinv_price( $form->get_refunded() );
+                break;
 
-			case 'shortcode' :
+            case 'shortcode' :
 
-				if ( $form->is_default() ) {
-					echo '&mdash;';
-				} else {
-					echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr( $form->get_id() ) . ']" style="width: 100%;" readonly/>';
-				}
+                if ( $form->is_default() ) {
+                    echo '&mdash;';
+                } else {
+                    echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr( $form->get_id() ) . ']" style="width: 100%;" readonly/>';
+                }
 
-				break;
+                break;
 
-			case 'items' :
+            case 'items' :
 
-				$items = $form->get_items();
+                $items = $form->get_items();
 
-				if ( $form->is_default() || empty( $items ) ) {
-					echo '&mdash;';
-					return;
-				}
+                if ( $form->is_default() || empty( $items ) ) {
+                    echo '&mdash;';
+                    return;
+                }
 
-				$_items = array();
+                $_items = array();
 
-				foreach ( $items as $item ) {
-					$url = $item->get_edit_url();
+                foreach ( $items as $item ) {
+                    $url = $item->get_edit_url();
 
-					if ( empty( $url ) ) {
-						$_items[] = esc_html( $item->get_name() );
-					} else {
-						$_items[] = sprintf(
-							'<a href="%s">%s</a>',
-							esc_url( $url ),
-							esc_html( $item->get_name() )
-						);
-					}
+                    if ( empty( $url ) ) {
+                        $_items[] = esc_html( $item->get_name() );
+                    } else {
+                        $_items[] = sprintf(
+                            '<a href="%s">%s</a>',
+                            esc_url( $url ),
+                            esc_html( $item->get_name() )
+                        );
+                    }
 
-				}
+                }
 
-				echo implode( '<br>', $_items );
+                echo implode( '<br>', $_items );
 
-				break;
+                break;
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Filters post states.
-	 */
-	public static function filter_payment_form_state( $post_states, $post ) {
+    /**
+     * Filters post states.
+     */
+    public static function filter_payment_form_state( $post_states, $post ) {
 
-		if ( 'wpi_payment_form' == $post->post_type && wpinv_get_default_payment_form() == $post->ID ) {
-			$post_states[ 'default_form' ] = __( 'Default Payment Form', 'invoicing' );
-		}
+        if ( 'wpi_payment_form' == $post->post_type && wpinv_get_default_payment_form() == $post->ID ) {
+            $post_states[ 'default_form' ] = __( 'Default Payment Form', 'invoicing' );
+        }
 	
-		return $post_states;
-
-	}
-
-	/**
-	 * Returns an array of coupon table columns.
-	 */
-	public static function discount_columns( $columns ) {
-
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'code'              => __( 'Code', 'invoicing' ),
-			'amount'            => __( 'Amount', 'invoicing' ),
-			'usage'             => __( 'Usage / Limit', 'invoicing' ),
-			'start_date'        => __( 'Start Date', 'invoicing' ),
-			'expiry_date'       => __( 'Expiry Date', 'invoicing' ),
-		);
-
-		return apply_filters( 'wpi_discount_table_columns', $columns );
-	}
-
-	/**
-	 * Filters post states.
-	 */
-	public static function filter_discount_state( $post_states, $post ) {
-
-		if ( 'wpi_discount' == $post->post_type ) {
-
-			$discount = new WPInv_Discount( $post );
-
-			$status = $discount->is_expired() ? 'expired' : $discount->get_status();
-
-			if ( $status != 'publish' ) {
-				return array(
-					'discount_status' => wpinv_discount_status( $status ),
-				);
-			}
-
-			return array();
-
-		}
-
-		return $post_states;
-
-	}
-
-	/**
-	 * Returns an array of items table columns.
-	 */
-	public static function item_columns( $columns ) {
-
-		$columns = array(
-			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'price'             => __( 'Price', 'invoicing' ),
-			'vat_rule'          => __( 'VAT rule', 'invoicing' ),
-			'vat_class'         => __( 'VAT class', 'invoicing' ),
-			'type'              => __( 'Type', 'invoicing' ),
-			'shortcode'         => __( 'Shortcode', 'invoicing' ),
-		);
-
-		if ( ! wpinv_use_taxes() ) {
-			unset( $columns['vat_rule'] );
-			unset( $columns['vat_class'] );
-		}
-
-		return apply_filters( 'wpi_item_table_columns', $columns );
-	}
-
-	/**
-	 * Returns an array of sortable items table columns.
-	 */
-	public static function sortable_item_columns( $columns ) {
-
-		return array_merge(
-			$columns,
-			array(
-				'price'     => 'price',
-				'vat_rule'  => 'vat_rule',
-				'vat_class' => 'vat_class',
-				'type'      => 'type',
-			)
-		);
-
-	}
-
-	/**
-	 * Displays items table columns.
-	 */
-	public static function display_item_columns( $column_name, $post_id ) {
+        return $post_states;
+
+    }
+
+    /**
+     * Returns an array of coupon table columns.
+     */
+    public static function discount_columns( $columns ) {
+
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'title'             => __( 'Name', 'invoicing' ),
+            'code'              => __( 'Code', 'invoicing' ),
+            'amount'            => __( 'Amount', 'invoicing' ),
+            'usage'             => __( 'Usage / Limit', 'invoicing' ),
+            'start_date'        => __( 'Start Date', 'invoicing' ),
+            'expiry_date'       => __( 'Expiry Date', 'invoicing' ),
+        );
+
+        return apply_filters( 'wpi_discount_table_columns', $columns );
+    }
+
+    /**
+     * Filters post states.
+     */
+    public static function filter_discount_state( $post_states, $post ) {
+
+        if ( 'wpi_discount' == $post->post_type ) {
+
+            $discount = new WPInv_Discount( $post );
+
+            $status = $discount->is_expired() ? 'expired' : $discount->get_status();
+
+            if ( $status != 'publish' ) {
+                return array(
+                    'discount_status' => wpinv_discount_status( $status ),
+                );
+            }
+
+            return array();
+
+        }
+
+        return $post_states;
+
+    }
+
+    /**
+     * Returns an array of items table columns.
+     */
+    public static function item_columns( $columns ) {
+
+        $columns = array(
+            'cb'                => $columns['cb'],
+            'title'             => __( 'Name', 'invoicing' ),
+            'price'             => __( 'Price', 'invoicing' ),
+            'vat_rule'          => __( 'VAT rule', 'invoicing' ),
+            'vat_class'         => __( 'VAT class', 'invoicing' ),
+            'type'              => __( 'Type', 'invoicing' ),
+            'shortcode'         => __( 'Shortcode', 'invoicing' ),
+        );
+
+        if ( ! wpinv_use_taxes() ) {
+            unset( $columns['vat_rule'] );
+            unset( $columns['vat_class'] );
+        }
+
+        return apply_filters( 'wpi_item_table_columns', $columns );
+    }
+
+    /**
+     * Returns an array of sortable items table columns.
+     */
+    public static function sortable_item_columns( $columns ) {
+
+        return array_merge(
+            $columns,
+            array(
+                'price'     => 'price',
+                'vat_rule'  => 'vat_rule',
+                'vat_class' => 'vat_class',
+                'type'      => 'type',
+            )
+        );
+
+    }
+
+    /**
+     * Displays items table columns.
+     */
+    public static function display_item_columns( $column_name, $post_id ) {
  
-		$item = new WPInv_Item( $post_id );
+        $item = new WPInv_Item( $post_id );
 
-		switch ( $column_name ) {
+        switch ( $column_name ) {
 
-			case 'price' :
+            case 'price' :
 
-				if ( ! $item->is_recurring() ) {
-					echo $item->get_the_price();
-					break;
-				}
+                if ( ! $item->is_recurring() ) {
+                    echo $item->get_the_price();
+                    break;
+                }
 
-				$price = wp_sprintf(
-					__( '%s / %s', 'invoicing' ),
-					$item->get_the_price(),
-					getpaid_get_subscription_period_label( $item->get_recurring_period(), $item->get_recurring_interval(), '' )
-				);
+                $price = wp_sprintf(
+                    __( '%s / %s', 'invoicing' ),
+                    $item->get_the_price(),
+                    getpaid_get_subscription_period_label( $item->get_recurring_period(), $item->get_recurring_interval(), '' )
+                );
 
-				if ( $item->get_the_price() == $item->get_the_initial_price() ) {
-					echo $price;
-					break;
-				}
+                if ( $item->get_the_price() == $item->get_the_initial_price() ) {
+                    echo $price;
+                    break;
+                }
 
-				echo $item->get_the_initial_price();
+                echo $item->get_the_initial_price();
 
-				echo '<span class="meta">' . wp_sprintf( __( 'then %s', 'invoicing' ), $price )  .'</span>';
-				break;
+                echo '<span class="meta">' . wp_sprintf( __( 'then %s', 'invoicing' ), $price )  .'</span>';
+                break;
 
-			case 'vat_rule' :
-				echo getpaid_get_tax_rule_label( $item->get_vat_rule() );
-				break;
+            case 'vat_rule' :
+                echo getpaid_get_tax_rule_label( $item->get_vat_rule() );
+                break;
 
-			case 'vat_class' :
-				echo getpaid_get_tax_class_label( $item->get_vat_class() );
-				break;
+            case 'vat_class' :
+                echo getpaid_get_tax_class_label( $item->get_vat_class() );
+                break;
 
-			case 'shortcode' :
+            case 'shortcode' :
 
-				if ( $item->is_type( array( '', 'fee', 'custom' ) ) ) {
-					echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr( $item->get_id() ) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
-				} else {
-					echo "&mdash;";
-				}
+                if ( $item->is_type( array( '', 'fee', 'custom' ) ) ) {
+                    echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr( $item->get_id() ) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
+                } else {
+                    echo "&mdash;";
+                }
 				
-				break;
+                break;
 
-			case 'type' :
-				echo wpinv_item_type( $item->get_id() ) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>';
-				break;
+            case 'type' :
+                echo wpinv_item_type( $item->get_id() ) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>';
+                break;
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Lets users filter items using taxes.
-	 */
-	public static function add_item_filters( $post_type ) {
+    /**
+     * Lets users filter items using taxes.
+     */
+    public static function add_item_filters( $post_type ) {
 
-		// Abort if we're not dealing with items.
-		if ( $post_type != 'wpi_item' ) {
-			return;
-		}
+        // Abort if we're not dealing with items.
+        if ( $post_type != 'wpi_item' ) {
+            return;
+        }
 
-		// Filter by vat rules.
-		if ( wpinv_use_taxes() ) {
+        // Filter by vat rules.
+        if ( wpinv_use_taxes() ) {
 	
-			// Sanitize selected vat rule.
-			$vat_rule   = '';
-			$vat_rules  = getpaid_get_tax_rules();
-			if ( isset( $_GET['vat_rule'] ) ) {
-				$vat_rule   =  $_GET['vat_rule'];
-			}
-
-			// Filter by VAT rule.
-			echo wpinv_html_select(
-				array(
-					'options'          => array_merge(
-						array(
-							'' => __( 'All VAT rules', 'invoicing' )
-						),
-						$vat_rules
-					),
-					'name'             => 'vat_rule',
-					'id'               => 'vat_rule',
-					'selected'         => in_array( $vat_rule, array_keys( $vat_rules ) ) ? $vat_rule : '',
-					'show_option_all'  => false,
-					'show_option_none' => false,
-				)
-			);
-
-			// Filter by VAT class.
+            // Sanitize selected vat rule.
+            $vat_rule   = '';
+            $vat_rules  = getpaid_get_tax_rules();
+            if ( isset( $_GET['vat_rule'] ) ) {
+                $vat_rule   =  $_GET['vat_rule'];
+            }
+
+            // Filter by VAT rule.
+            echo wpinv_html_select(
+                array(
+                    'options'          => array_merge(
+                        array(
+                            '' => __( 'All VAT rules', 'invoicing' )
+                        ),
+                        $vat_rules
+                    ),
+                    'name'             => 'vat_rule',
+                    'id'               => 'vat_rule',
+                    'selected'         => in_array( $vat_rule, array_keys( $vat_rules ) ) ? $vat_rule : '',
+                    'show_option_all'  => false,
+                    'show_option_none' => false,
+                )
+            );
+
+            // Filter by VAT class.
 	
-			// Sanitize selected vat rule.
-			$vat_class   = '';
-			$vat_classes = getpaid_get_tax_classes();
-			if ( isset( $_GET['vat_class'] ) ) {
-				$vat_class   =  $_GET['vat_class'];
-			}
-
-			echo wpinv_html_select(
-				array(
-					'options'          => array_merge(
-						array(
-							'' => __( 'All VAT classes', 'invoicing' )
-						),
-						$vat_classes
-					),
-					'name'             => 'vat_class',
-					'id'               => 'vat_class',
-					'selected'         => in_array( $vat_class, array_keys( $vat_classes ) ) ? $vat_class : '',
-					'show_option_all'  => false,
-					'show_option_none' => false,
-				)
-			);
-
-		}
-
-		// Filter by item type.
-		$type   = '';
-		if ( isset( $_GET['type'] ) ) {
-			$type   =  $_GET['type'];
-		}
-
-		echo wpinv_html_select(
-			array(
-				'options'          => array_merge(
-					array(
-						'' => __( 'All item types', 'invoicing' )
-					),
-					wpinv_get_item_types()
-				),
-				'name'             => 'type',
-				'id'               => 'type',
-				'selected'         => in_array( $type, wpinv_item_types() ) ? $type : '',
-				'show_option_all'  => false,
-				'show_option_none' => false,
-			)
-		);
-
-	}
-
-	/**
-	 * Filters the item query.
-	 */
-	public static function filter_item_query( $query ) {
-
-		// modify the query only if it admin and main query.
-		if ( ! ( is_admin() && $query->is_main_query() ) ){ 
-			return $query;
-		}
-
-		// we want to modify the query for our items.
-		if ( empty( $query->query['post_type'] ) || 'wpi_item' != $query->query['post_type'] ){
-			return $query;
-		}
-
-		if ( empty( $query->query_vars['meta_query'] ) ) {
-			$query->query_vars['meta_query'] = array();
-		}
-
-		// Filter vat rule type
+            // Sanitize selected vat rule.
+            $vat_class   = '';
+            $vat_classes = getpaid_get_tax_classes();
+            if ( isset( $_GET['vat_class'] ) ) {
+                $vat_class   =  $_GET['vat_class'];
+            }
+
+            echo wpinv_html_select(
+                array(
+                    'options'          => array_merge(
+                        array(
+                            '' => __( 'All VAT classes', 'invoicing' )
+                        ),
+                        $vat_classes
+                    ),
+                    'name'             => 'vat_class',
+                    'id'               => 'vat_class',
+                    'selected'         => in_array( $vat_class, array_keys( $vat_classes ) ) ? $vat_class : '',
+                    'show_option_all'  => false,
+                    'show_option_none' => false,
+                )
+            );
+
+        }
+
+        // Filter by item type.
+        $type   = '';
+        if ( isset( $_GET['type'] ) ) {
+            $type   =  $_GET['type'];
+        }
+
+        echo wpinv_html_select(
+            array(
+                'options'          => array_merge(
+                    array(
+                        '' => __( 'All item types', 'invoicing' )
+                    ),
+                    wpinv_get_item_types()
+                ),
+                'name'             => 'type',
+                'id'               => 'type',
+                'selected'         => in_array( $type, wpinv_item_types() ) ? $type : '',
+                'show_option_all'  => false,
+                'show_option_none' => false,
+            )
+        );
+
+    }
+
+    /**
+     * Filters the item query.
+     */
+    public static function filter_item_query( $query ) {
+
+        // modify the query only if it admin and main query.
+        if ( ! ( is_admin() && $query->is_main_query() ) ){ 
+            return $query;
+        }
+
+        // we want to modify the query for our items.
+        if ( empty( $query->query['post_type'] ) || 'wpi_item' != $query->query['post_type'] ){
+            return $query;
+        }
+
+        if ( empty( $query->query_vars['meta_query'] ) ) {
+            $query->query_vars['meta_query'] = array();
+        }
+
+        // Filter vat rule type
         if ( ! empty( $_GET['vat_rule'] ) ) {
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_vat_rule',
@@ -763,97 +763,97 @@ 
                 'value'   => sanitize_text_field( $_GET['type'] ),
                 'compare' => '='
             );
-		}
-
-	}
-
-	/**
-	 * Reorders items.
-	 */
-	public static function reorder_items( $vars ) {
-		global $typenow;
-
-		if ( 'wpi_item' !== $typenow || empty( $vars['orderby'] ) ) {
-			return $vars;
-		}
-
-		// By item type.
-		if ( 'type' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_type',
-					'orderby'  => 'meta_value'
-				)
-			);
-		}
-
-		// By vat class.
-		if ( 'vat_class' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_vat_class',
-					'orderby'  => 'meta_value'
-				)
-			);
-		}
-
-		// By vat rule.
-		if ( 'vat_rule' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_vat_rule',
-					'orderby'  => 'meta_value'
-				)
-			);
-		}
-
-		// By price.
-		if ( 'price' == $vars['orderby'] ) {
-			return array_merge(
-				$vars,
-				array(
-					'meta_key' => '_wpinv_price',
-					'orderby'  => 'meta_value_num'
-				)
-			);
-		}
-
-		return $vars;
-
-	}
-
-	/**
-	 * Fired when deleting a post.
-	 */
-	public static function delete_post( $post_id ) {
-
-		switch ( get_post_type( $post_id ) ) {
-
-			case 'wpi_item' :
-				do_action( "getpaid_before_delete_item", new WPInv_Item( $post_id ) );
-				break;
-
-			case 'wpi_payment_form' :
-				do_action( "getpaid_before_delete_payment_form", new GetPaid_Payment_Form( $post_id ) );
-				break;
-
-			case 'wpi_discount' :
-				do_action( "getpaid_before_delete_discount", new WPInv_Discount( $post_id ) );
-				break;
-
-			case 'wpi_invoice' :
-				$invoice = new WPInv_Invoice( $post_id );
-				do_action( "getpaid_before_delete_invoice", $invoice );
-				$invoice->get_data_store()->delete_items( $invoice );
-				$invoice->get_data_store()->delete_special_fields( $invoice );
-				break;
-		}
-	}
-
-	/**
+        }
+
+    }
+
+    /**
+     * Reorders items.
+     */
+    public static function reorder_items( $vars ) {
+        global $typenow;
+
+        if ( 'wpi_item' !== $typenow || empty( $vars['orderby'] ) ) {
+            return $vars;
+        }
+
+        // By item type.
+        if ( 'type' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_type',
+                    'orderby'  => 'meta_value'
+                )
+            );
+        }
+
+        // By vat class.
+        if ( 'vat_class' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_vat_class',
+                    'orderby'  => 'meta_value'
+                )
+            );
+        }
+
+        // By vat rule.
+        if ( 'vat_rule' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_vat_rule',
+                    'orderby'  => 'meta_value'
+                )
+            );
+        }
+
+        // By price.
+        if ( 'price' == $vars['orderby'] ) {
+            return array_merge(
+                $vars,
+                array(
+                    'meta_key' => '_wpinv_price',
+                    'orderby'  => 'meta_value_num'
+                )
+            );
+        }
+
+        return $vars;
+
+    }
+
+    /**
+     * Fired when deleting a post.
+     */
+    public static function delete_post( $post_id ) {
+
+        switch ( get_post_type( $post_id ) ) {
+
+            case 'wpi_item' :
+                do_action( "getpaid_before_delete_item", new WPInv_Item( $post_id ) );
+                break;
+
+            case 'wpi_payment_form' :
+                do_action( "getpaid_before_delete_payment_form", new GetPaid_Payment_Form( $post_id ) );
+                break;
+
+            case 'wpi_discount' :
+                do_action( "getpaid_before_delete_discount", new WPInv_Discount( $post_id ) );
+                break;
+
+            case 'wpi_invoice' :
+                $invoice = new WPInv_Invoice( $post_id );
+                do_action( "getpaid_before_delete_invoice", $invoice );
+                $invoice->get_data_store()->delete_items( $invoice );
+                $invoice->get_data_store()->delete_special_fields( $invoice );
+                break;
+        }
+    }
+
+    /**
      * Add a post display state for special GetPaid pages in the page list table.
      *
      * @param array   $post_states An array of post display states.
@@ -867,22 +867,22 @@ 
             $post_states['getpaid_success_page'] = __( 'GetPaid Receipt Page', 'invoicing' );
         }
 
-		foreach ( getpaid_get_invoice_post_types() as $post_type => $label ) {
+        foreach ( getpaid_get_invoice_post_types() as $post_type => $label ) {
 
-			if ( wpinv_get_option( "{$post_type}_history_page", 0 ) == $post->ID ) {
-				$post_states["getpaid_{$post_type}_history_page"] = sprintf(
-					__( 'GetPaid %s History Page', 'invoicing' ),
-					$label
-				);
-			}
+            if ( wpinv_get_option( "{$post_type}_history_page", 0 ) == $post->ID ) {
+                $post_states["getpaid_{$post_type}_history_page"] = sprintf(
+                    __( 'GetPaid %s History Page', 'invoicing' ),
+                    $label
+                );
+            }
 
-		}
+        }
 		
-		if ( wpinv_get_option( 'invoice_subscription_page', 0 ) == $post->ID ) {
+        if ( wpinv_get_option( 'invoice_subscription_page', 0 ) == $post->ID ) {
             $post_states['getpaid_invoice_subscription_page'] = __( 'GetPaid Subscription Page', 'invoicing' );
         }
 
-		if ( wpinv_get_option( 'checkout_page', 0 ) == $post->ID ) {
+        if ( wpinv_get_option( 'checkout_page', 0 ) == $post->ID ) {
             $post_states['getpaid_checkout_page'] = __( 'GetPaid Checkout Page', 'invoicing' );
         }
 

Spacing +235 added lines, -235 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Post types Admin Class
@@ -21,74 +21,74 @@ 
 		GetPaid_Metaboxes::init();
 
 		// Filter the post updated messages.
-		add_filter( 'post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages' );
+		add_filter('post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages');
 
 		// Filter post actions.
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2 );
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2 );
+		add_filter('post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2);
+		add_filter('post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2);
 
 		// Invoice table columns.
-		add_filter( 'manage_wpi_invoice_posts_columns', array( __CLASS__, 'invoice_columns' ), 100 );
-		add_action( 'manage_wpi_invoice_posts_custom_column', array( __CLASS__, 'display_invoice_columns' ), 10, 2 );
-		add_filter( 'bulk_actions-edit-wpi_invoice', array( __CLASS__, 'invoice_bulk_actions' ) );
-		add_filter( 'handle_bulk_actions-edit-wpi_invoice', array( __CLASS__, 'handle_invoice_bulk_actions' ), 10, 3 );
+		add_filter('manage_wpi_invoice_posts_columns', array(__CLASS__, 'invoice_columns'), 100);
+		add_action('manage_wpi_invoice_posts_custom_column', array(__CLASS__, 'display_invoice_columns'), 10, 2);
+		add_filter('bulk_actions-edit-wpi_invoice', array(__CLASS__, 'invoice_bulk_actions'));
+		add_filter('handle_bulk_actions-edit-wpi_invoice', array(__CLASS__, 'handle_invoice_bulk_actions'), 10, 3);
 
 		// Items table columns.
-		add_filter( 'manage_wpi_item_posts_columns', array( __CLASS__, 'item_columns' ), 100 );
-		add_filter( 'manage_edit-wpi_item_sortable_columns', array( __CLASS__, 'sortable_item_columns' ), 20 );
-		add_action( 'manage_wpi_item_posts_custom_column', array( __CLASS__, 'display_item_columns' ), 10, 2 );
-		add_action( 'restrict_manage_posts', array( __CLASS__, 'add_item_filters' ), 100 );
-		add_action( 'parse_query', array( __CLASS__, 'filter_item_query' ), 100 );
-		add_action( 'request', array( __CLASS__, 'reorder_items' ), 100 );
+		add_filter('manage_wpi_item_posts_columns', array(__CLASS__, 'item_columns'), 100);
+		add_filter('manage_edit-wpi_item_sortable_columns', array(__CLASS__, 'sortable_item_columns'), 20);
+		add_action('manage_wpi_item_posts_custom_column', array(__CLASS__, 'display_item_columns'), 10, 2);
+		add_action('restrict_manage_posts', array(__CLASS__, 'add_item_filters'), 100);
+		add_action('parse_query', array(__CLASS__, 'filter_item_query'), 100);
+		add_action('request', array(__CLASS__, 'reorder_items'), 100);
 
 		// Payment forms columns.
-		add_filter( 'manage_wpi_payment_form_posts_columns', array( __CLASS__, 'payment_form_columns' ), 100 );
-		add_action( 'manage_wpi_payment_form_posts_custom_column', array( __CLASS__, 'display_payment_form_columns' ), 10, 2 );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_payment_form_state' ), 10, 2 );
+		add_filter('manage_wpi_payment_form_posts_columns', array(__CLASS__, 'payment_form_columns'), 100);
+		add_action('manage_wpi_payment_form_posts_custom_column', array(__CLASS__, 'display_payment_form_columns'), 10, 2);
+		add_filter('display_post_states', array(__CLASS__, 'filter_payment_form_state'), 10, 2);
 
 		// Discount table columns.
-		add_filter( 'manage_wpi_discount_posts_columns', array( __CLASS__, 'discount_columns' ), 100 );
-		add_filter( 'bulk_actions-edit-wpi_discount', '__return_empty_array', 100 );
+		add_filter('manage_wpi_discount_posts_columns', array(__CLASS__, 'discount_columns'), 100);
+		add_filter('bulk_actions-edit-wpi_discount', '__return_empty_array', 100);
 
 		// Deleting posts.
-		add_action( 'delete_post', array( __CLASS__, 'delete_post' ) );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_discount_state' ), 10, 2 );
+		add_action('delete_post', array(__CLASS__, 'delete_post'));
+		add_filter('display_post_states', array(__CLASS__, 'filter_discount_state'), 10, 2);
 
-		add_filter( 'display_post_states', array( __CLASS__, 'add_display_post_states' ), 10, 2 );
+		add_filter('display_post_states', array(__CLASS__, 'add_display_post_states'), 10, 2);
 	}
 
 	/**
 	 * Post updated messages.
 	 */
-	public static function post_updated_messages( $messages ) {
+	public static function post_updated_messages($messages) {
 		global $post;
 
 		$messages['wpi_discount'] = array(
 			0   => '',
-			1   => __( 'Discount updated.', 'invoicing' ),
-			2   => __( 'Custom field updated.', 'invoicing' ),
-			3   => __( 'Custom field deleted.', 'invoicing' ),
-			4   => __( 'Discount updated.', 'invoicing' ),
-			5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Discount restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6   => __( 'Discount updated.', 'invoicing' ),
-			7   => __( 'Discount saved.', 'invoicing' ),
-			8   => __( 'Discount submitted.', 'invoicing' ),
-			9   => wp_sprintf( __( 'Discount scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10  => __( 'Discount draft updated.', 'invoicing' ),
+			1   => __('Discount updated.', 'invoicing'),
+			2   => __('Custom field updated.', 'invoicing'),
+			3   => __('Custom field deleted.', 'invoicing'),
+			4   => __('Discount updated.', 'invoicing'),
+			5   => isset($_GET['revision']) ? wp_sprintf(__('Discount restored to revision from %s', 'invoicing'), wp_post_revision_title((int) $_GET['revision'], false)) : false,
+			6   => __('Discount updated.', 'invoicing'),
+			7   => __('Discount saved.', 'invoicing'),
+			8   => __('Discount submitted.', 'invoicing'),
+			9   => wp_sprintf(__('Discount scheduled for: <strong>%1$s</strong>.', 'invoicing'), date_i18n(__('M j, Y @ G:i', 'invoicing'), strtotime($post->post_date))),
+			10  => __('Discount draft updated.', 'invoicing'),
 		);
 
 		$messages['wpi_payment_form'] = array(
 			0   => '',
-			1   => __( 'Payment Form updated.', 'invoicing' ),
-			2   => __( 'Custom field updated.', 'invoicing' ),
-			3   => __( 'Custom field deleted.', 'invoicing' ),
-			4   => __( 'Payment Form updated.', 'invoicing' ),
-			5   => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Payment Form restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6   => __( 'Payment Form updated.', 'invoicing' ),
-			7   => __( 'Payment Form saved.', 'invoicing' ),
-			8   => __( 'Payment Form submitted.', 'invoicing' ),
-			9   => wp_sprintf( __( 'Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10  => __( 'Payment Form draft updated.', 'invoicing' ),
+			1   => __('Payment Form updated.', 'invoicing'),
+			2   => __('Custom field updated.', 'invoicing'),
+			3   => __('Custom field deleted.', 'invoicing'),
+			4   => __('Payment Form updated.', 'invoicing'),
+			5   => isset($_GET['revision']) ? wp_sprintf(__('Payment Form restored to revision from %s', 'invoicing'), wp_post_revision_title((int) $_GET['revision'], false)) : false,
+			6   => __('Payment Form updated.', 'invoicing'),
+			7   => __('Payment Form saved.', 'invoicing'),
+			8   => __('Payment Form submitted.', 'invoicing'),
+			9   => wp_sprintf(__('Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing'), date_i18n(__('M j, Y @ G:i', 'invoicing'), strtotime($post->post_date))),
+			10  => __('Payment Form draft updated.', 'invoicing'),
 		);
 
 		return $messages;
@@ -98,19 +98,19 @@ 
 	/**
 	 * Post row actions.
 	 */
-	public static function post_row_actions( $actions, $post ) {
+	public static function post_row_actions($actions, $post) {
 
-		$post = get_post( $post );
+		$post = get_post($post);
 
 		// We do not want to edit the default payment form.
-		if ( 'wpi_payment_form' == $post->post_type ) {
+		if ('wpi_payment_form' == $post->post_type) {
 
-			if ( $post->ID == wpinv_get_default_payment_form() ) {
-				unset( $actions['trash'] );
-				unset( $actions['inline hide-if-no-js'] );
+			if ($post->ID == wpinv_get_default_payment_form()) {
+				unset($actions['trash']);
+				unset($actions['inline hide-if-no-js']);
 			}
 
-			$actions['duplicate'] =  sprintf(
+			$actions['duplicate'] = sprintf(
 				'<a href="%1$s">%2$s</a>',
 				esc_url(
 					wp_nonce_url(
@@ -124,20 +124,20 @@ 
 						'getpaid-nonce'
 					)
 				),
-				esc_html( __( 'Duplicate', 'invoicing' ) )
+				esc_html(__('Duplicate', 'invoicing'))
 			);
 
 		}
 
 		// Link to item payment form.
-		if ( 'wpi_item' == $post->post_type ) {
+		if ('wpi_item' == $post->post_type) {
 
-			if ( in_array( get_post_meta( $post->ID, '_wpinv_type', true ), array( '', 'fee', 'custom' ) ) ) {
+			if (in_array(get_post_meta($post->ID, '_wpinv_type', true), array('', 'fee', 'custom'))) {
 
-				$actions['buy'] =  sprintf(
+				$actions['buy'] = sprintf(
 					'<a href="%1$s">%2$s</a>',
-					esc_url( getpaid_embed_url( false, $post->ID . '|0' ) ),
-					esc_html( __( 'Buy', 'invoicing' ) )
+					esc_url(getpaid_embed_url(false, $post->ID . '|0')),
+					esc_html(__('Buy', 'invoicing'))
 				);
 
 			}
@@ -155,31 +155,31 @@ 
 	 * @param WP_Post $post
      * @return array $actions actions without edit option
      */
-    public static function filter_invoice_row_actions( $actions, $post ) {
+    public static function filter_invoice_row_actions($actions, $post) {
 
-        if ( getpaid_is_invoice_post_type( $post->post_type ) ) {
+        if (getpaid_is_invoice_post_type($post->post_type)) {
 
 			$actions = array();
-			$invoice = new WPInv_Invoice( $post );
+			$invoice = new WPInv_Invoice($post);
 
-			$actions['edit'] =  sprintf(
+			$actions['edit'] = sprintf(
 				'<a href="%1$s">%2$s</a>',
-				esc_url( get_edit_post_link( $invoice->get_id() ) ),
-				esc_html( __( 'Edit', 'invoicing' ) )
+				esc_url(get_edit_post_link($invoice->get_id())),
+				esc_html(__('Edit', 'invoicing'))
 			);
 
-			if ( ! $invoice->is_draft() ) {
+			if (!$invoice->is_draft()) {
 
-				$actions['view'] =  sprintf(
+				$actions['view'] = sprintf(
 					'<a href="%1$s">%2$s</a>',
-					esc_url( $invoice->get_view_url() ),
+					esc_url($invoice->get_view_url()),
 					sprintf(
-						esc_html( __( 'View %s', 'invoicing' ) ),
-						getpaid_get_post_type_label( $invoice->get_post_type(), false )
+						esc_html(__('View %s', 'invoicing')),
+						getpaid_get_post_type_label($invoice->get_post_type(), false)
 					)
 				);
 
-				$actions['send'] =  sprintf(
+				$actions['send'] = sprintf(
 					'<a href="%1$s">%2$s</a>',
 					esc_url(
 						wp_nonce_url(
@@ -193,12 +193,12 @@ 
 							'getpaid-nonce'
 						)
 					),
-					esc_html( __( 'Send to Customer', 'invoicing' ) )
+					esc_html(__('Send to Customer', 'invoicing'))
 				);
 
 			}
 
-			$actions['duplicate'] =  sprintf(
+			$actions['duplicate'] = sprintf(
 				'<a href="%1$s">%2$s</a>',
 				esc_url(
 					wp_nonce_url(
@@ -212,7 +212,7 @@ 
 						'getpaid-nonce'
 					)
 				),
-				esc_html( __( 'Duplicate', 'invoicing' ) )
+				esc_html(__('Duplicate', 'invoicing'))
 			);
 
         }
@@ -223,42 +223,42 @@ 
 	/**
 	 * Returns an array of invoice table columns.
 	 */
-	public static function invoice_columns( $columns ) {
+	public static function invoice_columns($columns) {
 
 		$columns = array(
 			'cb'                => $columns['cb'],
-			'number'            => __( 'Invoice', 'invoicing' ),
-			'customer'          => __( 'Customer', 'invoicing' ),
-			'invoice_date'      => __( 'Created', 'invoicing' ),
-			'payment_date'      => __( 'Completed', 'invoicing' ),
-			'amount'            => __( 'Amount', 'invoicing' ),
-			'recurring'         => __( 'Recurring', 'invoicing' ),
-			'status'            => __( 'Status', 'invoicing' ),
+			'number'            => __('Invoice', 'invoicing'),
+			'customer'          => __('Customer', 'invoicing'),
+			'invoice_date'      => __('Created', 'invoicing'),
+			'payment_date'      => __('Completed', 'invoicing'),
+			'amount'            => __('Amount', 'invoicing'),
+			'recurring'         => __('Recurring', 'invoicing'),
+			'status'            => __('Status', 'invoicing'),
 		);
 
-		return apply_filters( 'wpi_invoice_table_columns', $columns );
+		return apply_filters('wpi_invoice_table_columns', $columns);
 	}
 
 	/**
 	 * Displays invoice table columns.
 	 */
-	public static function display_invoice_columns( $column_name, $post_id ) {
+	public static function display_invoice_columns($column_name, $post_id) {
 
-		$invoice = new WPInv_Invoice( $post_id );
+		$invoice = new WPInv_Invoice($post_id);
 
-		switch ( $column_name ) {
+		switch ($column_name) {
 
 			case 'invoice_date' :
-				$date_time = esc_attr( $invoice->get_created_date() );
-				$date      = getpaid_format_date_value( $date_time, "&mdash;", true );
+				$date_time = esc_attr($invoice->get_created_date());
+				$date      = getpaid_format_date_value($date_time, "&mdash;", true);
 				echo "<span title='$date_time'>$date</span>";
 				break;
 
 			case 'payment_date' :
 
-				if ( $invoice->is_paid() ) {
-					$date_time = esc_attr( $invoice->get_completed_date() );
-					$date      = getpaid_format_date_value( $date_time, "&mdash;", true );
+				if ($invoice->is_paid()) {
+					$date_time = esc_attr($invoice->get_completed_date());
+					$date      = getpaid_format_date_value($date_time, "&mdash;", true);
 					echo "<span title='$date_time'>$date</span>";
 				} else {
 					echo "&mdash;";
@@ -269,17 +269,17 @@ 
 			case 'amount' :
 
 				$amount = $invoice->get_total();
-				$formated_amount = wpinv_price( $amount, $invoice->get_currency() );
+				$formated_amount = wpinv_price($amount, $invoice->get_currency());
 
-				if ( $invoice->is_refunded() ) {
-					$refunded_amount = wpinv_price( 0, $invoice->get_currency() );
+				if ($invoice->is_refunded()) {
+					$refunded_amount = wpinv_price(0, $invoice->get_currency());
 					echo "<del>$formated_amount</del>&nbsp;<ins>$refunded_amount</ins>";
 				} else {
 
 					$discount = $invoice->get_total_discount();
 
-					if ( ! empty( $discount ) ) {
-						$new_amount = wpinv_price( $amount + $discount, $invoice->get_currency() );
+					if (!empty($discount)) {
+						$new_amount = wpinv_price($amount + $discount, $invoice->get_currency());
 						echo "<del>$new_amount</del>&nbsp;<ins>$formated_amount</ins>";
 					} else {
 						echo $formated_amount;
@@ -290,13 +290,13 @@ 
 				break;
 
 			case 'status' :
-				$status       = esc_html( $invoice->get_status() );
-				$status_label = esc_html( $invoice->get_status_nicename() );
+				$status       = esc_html($invoice->get_status());
+				$status_label = esc_html($invoice->get_status_nicename());
 
 				// If it is paid, show the gateway title.
-				if ( $invoice->is_paid() ) {
-					$gateway = esc_html( $invoice->get_gateway_title() );
-					$gateway = wp_sprintf( esc_attr__( 'Paid via %s', 'invoicing' ), $gateway );
+				if ($invoice->is_paid()) {
+					$gateway = esc_html($invoice->get_gateway_title());
+					$gateway = wp_sprintf(esc_attr__('Paid via %s', 'invoicing'), $gateway);
 
 					echo "<mark class='wpi-help-tip getpaid-invoice-status $status' title='$gateway'><span>$status_label</span></mark>";
 				} else {
@@ -304,22 +304,22 @@ 
 				}
 
 				// If it is not paid, display the overdue and view status.
-				if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) {
+				if (!$invoice->is_paid() && !$invoice->is_refunded()) {
 
 					// Invoice view status.
-					if ( wpinv_is_invoice_viewed( $invoice->get_id() ) ) {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="'. esc_attr__( 'Viewed by Customer', 'invoicing' ).'"></i>';
+					if (wpinv_is_invoice_viewed($invoice->get_id())) {
+						echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="' . esc_attr__('Viewed by Customer', 'invoicing') . '"></i>';
 					} else {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="'. esc_attr__( 'Not Viewed by Customer', 'invoicing' ).'"></i>';
+						echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="' . esc_attr__('Not Viewed by Customer', 'invoicing') . '"></i>';
 					}
 
 					// Display the overview status.
-					if ( wpinv_get_option( 'overdue_active' ) ) {
+					if (wpinv_get_option('overdue_active')) {
 						$due_date = $invoice->get_due_date();
-						$fomatted = getpaid_format_date( $due_date );
+						$fomatted = getpaid_format_date($due_date);
 
-						if ( ! empty( $fomatted ) ) {
-							$date = wp_sprintf( __( 'Due %s', 'invoicing' ), $fomatted );
+						if (!empty($fomatted)) {
+							$date = wp_sprintf(__('Due %s', 'invoicing'), $fomatted);
 							echo "<p class='description' style='color: #888;' title='$due_date'>$fomatted</p>";
 						}
 					}
@@ -330,7 +330,7 @@ 
 
 			case 'recurring':
 
-				if ( $invoice->is_recurring() ) {
+				if ($invoice->is_recurring()) {
 					echo '<i class="fa fa-check" style="color:#43850a;"></i>';
 				} else {
 					echo '<i class="fa fa-times" style="color:#616161;"></i>';
@@ -339,9 +339,9 @@ 
 
 			case 'number' :
 
-				$edit_link       = esc_url( get_edit_post_link( $invoice->get_id() ) );
-				$invoice_number  = esc_html( $invoice->get_number() );
-				$invoice_details = esc_attr__( 'View Invoice Details', 'invoicing' );
+				$edit_link       = esc_url(get_edit_post_link($invoice->get_id()));
+				$invoice_number  = esc_html($invoice->get_number());
+				$invoice_details = esc_attr__('View Invoice Details', 'invoicing');
 
 				echo "<a href='$edit_link' title='$invoice_details'><strong>$invoice_number</strong></a>";
 
@@ -351,13 +351,13 @@ 
 	
 				$customer_name = $invoice->get_user_full_name();
 	
-				if ( empty( $customer_name ) ) {
+				if (empty($customer_name)) {
 					$customer_name = $invoice->get_email();
 				}
 	
-				if ( ! empty( $customer_name ) ) {
-					$customer_details = esc_attr__( 'View Customer Details', 'invoicing' );
-					$view_link        = esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), admin_url( 'user-edit.php' ) ) );
+				if (!empty($customer_name)) {
+					$customer_details = esc_attr__('View Customer Details', 'invoicing');
+					$view_link        = esc_url(add_query_arg('user_id', $invoice->get_user_id(), admin_url('user-edit.php')));
 					echo "<a href='$view_link' title='$customer_details'><span>$customer_name</span></a>";
 				} else {
 					echo '<div>&mdash;</div>';
@@ -372,19 +372,19 @@ 
 	/**
 	 * Displays invoice bulk actions.
 	 */
-	public static function invoice_bulk_actions( $actions ) {
-		$actions['resend-invoice'] = __( 'Send to Customer', 'invoicing' );
+	public static function invoice_bulk_actions($actions) {
+		$actions['resend-invoice'] = __('Send to Customer', 'invoicing');
 		return $actions;
 	}
 
 	/**
 	 * Processes invoice bulk actions.
 	 */
-	public static function handle_invoice_bulk_actions( $redirect_url, $action, $post_ids ) {
+	public static function handle_invoice_bulk_actions($redirect_url, $action, $post_ids) {
 
-		if ( $action == 'resend-invoice' ) {
-			foreach ( $post_ids as $post_id ) {
-				getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $post_id ), true );
+		if ($action == 'resend-invoice') {
+			foreach ($post_ids as $post_id) {
+				getpaid()->get('invoice_emails')->user_invoice(new WPInv_Invoice($post_id), true);
 			}
 		}
 
@@ -395,50 +395,50 @@ 
 	/**
 	 * Returns an array of payment forms table columns.
 	 */
-	public static function payment_form_columns( $columns ) {
+	public static function payment_form_columns($columns) {
 
 		$columns = array(
 			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'shortcode'         => __( 'Shortcode', 'invoicing' ),
-			'earnings'          => __( 'Revenue', 'invoicing' ),
-			'refunds'           => __( 'Refunded', 'invoicing' ),
-			'items'             => __( 'Items', 'invoicing' ),
-			'date'              => __( 'Date', 'invoicing' ),
+			'title'             => __('Name', 'invoicing'),
+			'shortcode'         => __('Shortcode', 'invoicing'),
+			'earnings'          => __('Revenue', 'invoicing'),
+			'refunds'           => __('Refunded', 'invoicing'),
+			'items'             => __('Items', 'invoicing'),
+			'date'              => __('Date', 'invoicing'),
 		);
 
-		return apply_filters( 'wpi_payment_form_table_columns', $columns );
+		return apply_filters('wpi_payment_form_table_columns', $columns);
 
 	}
 
 	/**
 	 * Displays payment form table columns.
 	 */
-	public static function display_payment_form_columns( $column_name, $post_id ) {
+	public static function display_payment_form_columns($column_name, $post_id) {
 
 		// Retrieve the payment form.
-		$form = new GetPaid_Payment_Form( $post_id );
+		$form = new GetPaid_Payment_Form($post_id);
 
-		switch ( $column_name ) {
+		switch ($column_name) {
 
 			case 'earnings' :
-				echo wpinv_price( $form->get_earned() );
+				echo wpinv_price($form->get_earned());
 				break;
 
 			case 'refunds' :
-				echo wpinv_price( $form->get_refunded() );
+				echo wpinv_price($form->get_refunded());
 				break;
 
 			case 'refunds' :
-				echo wpinv_price( $form->get_refunded() );
+				echo wpinv_price($form->get_refunded());
 				break;
 
 			case 'shortcode' :
 
-				if ( $form->is_default() ) {
+				if ($form->is_default()) {
 					echo '&mdash;';
 				} else {
-					echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr( $form->get_id() ) . ']" style="width: 100%;" readonly/>';
+					echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr($form->get_id()) . ']" style="width: 100%;" readonly/>';
 				}
 
 				break;
@@ -447,29 +447,29 @@ 
 
 				$items = $form->get_items();
 
-				if ( $form->is_default() || empty( $items ) ) {
+				if ($form->is_default() || empty($items)) {
 					echo '&mdash;';
 					return;
 				}
 
 				$_items = array();
 
-				foreach ( $items as $item ) {
+				foreach ($items as $item) {
 					$url = $item->get_edit_url();
 
-					if ( empty( $url ) ) {
-						$_items[] = esc_html( $item->get_name() );
+					if (empty($url)) {
+						$_items[] = esc_html($item->get_name());
 					} else {
 						$_items[] = sprintf(
 							'<a href="%s">%s</a>',
-							esc_url( $url ),
-							esc_html( $item->get_name() )
+							esc_url($url),
+							esc_html($item->get_name())
 						);
 					}
 
 				}
 
-				echo implode( '<br>', $_items );
+				echo implode('<br>', $_items);
 
 				break;
 
@@ -480,10 +480,10 @@ 
 	/**
 	 * Filters post states.
 	 */
-	public static function filter_payment_form_state( $post_states, $post ) {
+	public static function filter_payment_form_state($post_states, $post) {
 
-		if ( 'wpi_payment_form' == $post->post_type && wpinv_get_default_payment_form() == $post->ID ) {
-			$post_states[ 'default_form' ] = __( 'Default Payment Form', 'invoicing' );
+		if ('wpi_payment_form' == $post->post_type && wpinv_get_default_payment_form() == $post->ID) {
+			$post_states['default_form'] = __('Default Payment Form', 'invoicing');
 		}
 	
 		return $post_states;
@@ -493,35 +493,35 @@ 
 	/**
 	 * Returns an array of coupon table columns.
 	 */
-	public static function discount_columns( $columns ) {
+	public static function discount_columns($columns) {
 
 		$columns = array(
 			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'code'              => __( 'Code', 'invoicing' ),
-			'amount'            => __( 'Amount', 'invoicing' ),
-			'usage'             => __( 'Usage / Limit', 'invoicing' ),
-			'start_date'        => __( 'Start Date', 'invoicing' ),
-			'expiry_date'       => __( 'Expiry Date', 'invoicing' ),
+			'title'             => __('Name', 'invoicing'),
+			'code'              => __('Code', 'invoicing'),
+			'amount'            => __('Amount', 'invoicing'),
+			'usage'             => __('Usage / Limit', 'invoicing'),
+			'start_date'        => __('Start Date', 'invoicing'),
+			'expiry_date'       => __('Expiry Date', 'invoicing'),
 		);
 
-		return apply_filters( 'wpi_discount_table_columns', $columns );
+		return apply_filters('wpi_discount_table_columns', $columns);
 	}
 
 	/**
 	 * Filters post states.
 	 */
-	public static function filter_discount_state( $post_states, $post ) {
+	public static function filter_discount_state($post_states, $post) {
 
-		if ( 'wpi_discount' == $post->post_type ) {
+		if ('wpi_discount' == $post->post_type) {
 
-			$discount = new WPInv_Discount( $post );
+			$discount = new WPInv_Discount($post);
 
 			$status = $discount->is_expired() ? 'expired' : $discount->get_status();
 
-			if ( $status != 'publish' ) {
+			if ($status != 'publish') {
 				return array(
-					'discount_status' => wpinv_discount_status( $status ),
+					'discount_status' => wpinv_discount_status($status),
 				);
 			}
 
@@ -536,30 +536,30 @@ 
 	/**
 	 * Returns an array of items table columns.
 	 */
-	public static function item_columns( $columns ) {
+	public static function item_columns($columns) {
 
 		$columns = array(
 			'cb'                => $columns['cb'],
-			'title'             => __( 'Name', 'invoicing' ),
-			'price'             => __( 'Price', 'invoicing' ),
-			'vat_rule'          => __( 'VAT rule', 'invoicing' ),
-			'vat_class'         => __( 'VAT class', 'invoicing' ),
-			'type'              => __( 'Type', 'invoicing' ),
-			'shortcode'         => __( 'Shortcode', 'invoicing' ),
+			'title'             => __('Name', 'invoicing'),
+			'price'             => __('Price', 'invoicing'),
+			'vat_rule'          => __('VAT rule', 'invoicing'),
+			'vat_class'         => __('VAT class', 'invoicing'),
+			'type'              => __('Type', 'invoicing'),
+			'shortcode'         => __('Shortcode', 'invoicing'),
 		);
 
-		if ( ! wpinv_use_taxes() ) {
-			unset( $columns['vat_rule'] );
-			unset( $columns['vat_class'] );
+		if (!wpinv_use_taxes()) {
+			unset($columns['vat_rule']);
+			unset($columns['vat_class']);
 		}
 
-		return apply_filters( 'wpi_item_table_columns', $columns );
+		return apply_filters('wpi_item_table_columns', $columns);
 	}
 
 	/**
 	 * Returns an array of sortable items table columns.
 	 */
-	public static function sortable_item_columns( $columns ) {
+	public static function sortable_item_columns($columns) {
 
 		return array_merge(
 			$columns,
@@ -576,47 +576,47 @@ 
 	/**
 	 * Displays items table columns.
 	 */
-	public static function display_item_columns( $column_name, $post_id ) {
+	public static function display_item_columns($column_name, $post_id) {
  
-		$item = new WPInv_Item( $post_id );
+		$item = new WPInv_Item($post_id);
 
-		switch ( $column_name ) {
+		switch ($column_name) {
 
 			case 'price' :
 
-				if ( ! $item->is_recurring() ) {
+				if (!$item->is_recurring()) {
 					echo $item->get_the_price();
 					break;
 				}
 
 				$price = wp_sprintf(
-					__( '%s / %s', 'invoicing' ),
+					__('%s / %s', 'invoicing'),
 					$item->get_the_price(),
-					getpaid_get_subscription_period_label( $item->get_recurring_period(), $item->get_recurring_interval(), '' )
+					getpaid_get_subscription_period_label($item->get_recurring_period(), $item->get_recurring_interval(), '')
 				);
 
-				if ( $item->get_the_price() == $item->get_the_initial_price() ) {
+				if ($item->get_the_price() == $item->get_the_initial_price()) {
 					echo $price;
 					break;
 				}
 
 				echo $item->get_the_initial_price();
 
-				echo '<span class="meta">' . wp_sprintf( __( 'then %s', 'invoicing' ), $price )  .'</span>';
+				echo '<span class="meta">' . wp_sprintf(__('then %s', 'invoicing'), $price) . '</span>';
 				break;
 
 			case 'vat_rule' :
-				echo getpaid_get_tax_rule_label( $item->get_vat_rule() );
+				echo getpaid_get_tax_rule_label($item->get_vat_rule());
 				break;
 
 			case 'vat_class' :
-				echo getpaid_get_tax_class_label( $item->get_vat_class() );
+				echo getpaid_get_tax_class_label($item->get_vat_class());
 				break;
 
 			case 'shortcode' :
 
-				if ( $item->is_type( array( '', 'fee', 'custom' ) ) ) {
-					echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr( $item->get_id() ) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
+				if ($item->is_type(array('', 'fee', 'custom'))) {
+					echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr($item->get_id()) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
 				} else {
 					echo "&mdash;";
 				}
@@ -624,7 +624,7 @@ 
 				break;
 
 			case 'type' :
-				echo wpinv_item_type( $item->get_id() ) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>';
+				echo wpinv_item_type($item->get_id()) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>';
 				break;
 
 		}
@@ -634,21 +634,21 @@ 
 	/**
 	 * Lets users filter items using taxes.
 	 */
-	public static function add_item_filters( $post_type ) {
+	public static function add_item_filters($post_type) {
 
 		// Abort if we're not dealing with items.
-		if ( $post_type != 'wpi_item' ) {
+		if ($post_type != 'wpi_item') {
 			return;
 		}
 
 		// Filter by vat rules.
-		if ( wpinv_use_taxes() ) {
+		if (wpinv_use_taxes()) {
 	
 			// Sanitize selected vat rule.
 			$vat_rule   = '';
 			$vat_rules  = getpaid_get_tax_rules();
-			if ( isset( $_GET['vat_rule'] ) ) {
-				$vat_rule   =  $_GET['vat_rule'];
+			if (isset($_GET['vat_rule'])) {
+				$vat_rule = $_GET['vat_rule'];
 			}
 
 			// Filter by VAT rule.
@@ -656,13 +656,13 @@ 
 				array(
 					'options'          => array_merge(
 						array(
-							'' => __( 'All VAT rules', 'invoicing' )
+							'' => __('All VAT rules', 'invoicing')
 						),
 						$vat_rules
 					),
 					'name'             => 'vat_rule',
 					'id'               => 'vat_rule',
-					'selected'         => in_array( $vat_rule, array_keys( $vat_rules ) ) ? $vat_rule : '',
+					'selected'         => in_array($vat_rule, array_keys($vat_rules)) ? $vat_rule : '',
 					'show_option_all'  => false,
 					'show_option_none' => false,
 				)
@@ -673,21 +673,21 @@ 
 			// Sanitize selected vat rule.
 			$vat_class   = '';
 			$vat_classes = getpaid_get_tax_classes();
-			if ( isset( $_GET['vat_class'] ) ) {
-				$vat_class   =  $_GET['vat_class'];
+			if (isset($_GET['vat_class'])) {
+				$vat_class = $_GET['vat_class'];
 			}
 
 			echo wpinv_html_select(
 				array(
 					'options'          => array_merge(
 						array(
-							'' => __( 'All VAT classes', 'invoicing' )
+							'' => __('All VAT classes', 'invoicing')
 						),
 						$vat_classes
 					),
 					'name'             => 'vat_class',
 					'id'               => 'vat_class',
-					'selected'         => in_array( $vat_class, array_keys( $vat_classes ) ) ? $vat_class : '',
+					'selected'         => in_array($vat_class, array_keys($vat_classes)) ? $vat_class : '',
 					'show_option_all'  => false,
 					'show_option_none' => false,
 				)
@@ -696,22 +696,22 @@ 
 		}
 
 		// Filter by item type.
-		$type   = '';
-		if ( isset( $_GET['type'] ) ) {
-			$type   =  $_GET['type'];
+		$type = '';
+		if (isset($_GET['type'])) {
+			$type = $_GET['type'];
 		}
 
 		echo wpinv_html_select(
 			array(
 				'options'          => array_merge(
 					array(
-						'' => __( 'All item types', 'invoicing' )
+						'' => __('All item types', 'invoicing')
 					),
 					wpinv_get_item_types()
 				),
 				'name'             => 'type',
 				'id'               => 'type',
-				'selected'         => in_array( $type, wpinv_item_types() ) ? $type : '',
+				'selected'         => in_array($type, wpinv_item_types()) ? $type : '',
 				'show_option_all'  => false,
 				'show_option_none' => false,
 			)
@@ -722,45 +722,45 @@ 
 	/**
 	 * Filters the item query.
 	 */
-	public static function filter_item_query( $query ) {
+	public static function filter_item_query($query) {
 
 		// modify the query only if it admin and main query.
-		if ( ! ( is_admin() && $query->is_main_query() ) ){ 
+		if (!(is_admin() && $query->is_main_query())) { 
 			return $query;
 		}
 
 		// we want to modify the query for our items.
-		if ( empty( $query->query['post_type'] ) || 'wpi_item' != $query->query['post_type'] ){
+		if (empty($query->query['post_type']) || 'wpi_item' != $query->query['post_type']) {
 			return $query;
 		}
 
-		if ( empty( $query->query_vars['meta_query'] ) ) {
+		if (empty($query->query_vars['meta_query'])) {
 			$query->query_vars['meta_query'] = array();
 		}
 
 		// Filter vat rule type
-        if ( ! empty( $_GET['vat_rule'] ) ) {
+        if (!empty($_GET['vat_rule'])) {
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_vat_rule',
-                'value'   => sanitize_text_field( $_GET['vat_rule'] ),
+                'value'   => sanitize_text_field($_GET['vat_rule']),
                 'compare' => '='
             );
         }
 
         // Filter vat class
-        if ( ! empty( $_GET['vat_class'] ) ) {
+        if (!empty($_GET['vat_class'])) {
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_vat_class',
-                'value'   => sanitize_text_field( $_GET['vat_class'] ),
+                'value'   => sanitize_text_field($_GET['vat_class']),
                 'compare' => '='
             );
         }
 
         // Filter item type
-        if ( ! empty( $_GET['type'] ) ) {
+        if (!empty($_GET['type'])) {
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_type',
-                'value'   => sanitize_text_field( $_GET['type'] ),
+                'value'   => sanitize_text_field($_GET['type']),
                 'compare' => '='
             );
 		}
@@ -770,15 +770,15 @@ 
 	/**
 	 * Reorders items.
 	 */
-	public static function reorder_items( $vars ) {
+	public static function reorder_items($vars) {
 		global $typenow;
 
-		if ( 'wpi_item' !== $typenow || empty( $vars['orderby'] ) ) {
+		if ('wpi_item' !== $typenow || empty($vars['orderby'])) {
 			return $vars;
 		}
 
 		// By item type.
-		if ( 'type' == $vars['orderby'] ) {
+		if ('type' == $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -789,7 +789,7 @@ 
 		}
 
 		// By vat class.
-		if ( 'vat_class' == $vars['orderby'] ) {
+		if ('vat_class' == $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -800,7 +800,7 @@ 
 		}
 
 		// By vat rule.
-		if ( 'vat_rule' == $vars['orderby'] ) {
+		if ('vat_rule' == $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -811,7 +811,7 @@ 
 		}
 
 		// By price.
-		if ( 'price' == $vars['orderby'] ) {
+		if ('price' == $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -828,27 +828,27 @@ 
 	/**
 	 * Fired when deleting a post.
 	 */
-	public static function delete_post( $post_id ) {
+	public static function delete_post($post_id) {
 
-		switch ( get_post_type( $post_id ) ) {
+		switch (get_post_type($post_id)) {
 
 			case 'wpi_item' :
-				do_action( "getpaid_before_delete_item", new WPInv_Item( $post_id ) );
+				do_action("getpaid_before_delete_item", new WPInv_Item($post_id));
 				break;
 
 			case 'wpi_payment_form' :
-				do_action( "getpaid_before_delete_payment_form", new GetPaid_Payment_Form( $post_id ) );
+				do_action("getpaid_before_delete_payment_form", new GetPaid_Payment_Form($post_id));
 				break;
 
 			case 'wpi_discount' :
-				do_action( "getpaid_before_delete_discount", new WPInv_Discount( $post_id ) );
+				do_action("getpaid_before_delete_discount", new WPInv_Discount($post_id));
 				break;
 
 			case 'wpi_invoice' :
-				$invoice = new WPInv_Invoice( $post_id );
-				do_action( "getpaid_before_delete_invoice", $invoice );
-				$invoice->get_data_store()->delete_items( $invoice );
-				$invoice->get_data_store()->delete_special_fields( $invoice );
+				$invoice = new WPInv_Invoice($post_id);
+				do_action("getpaid_before_delete_invoice", $invoice);
+				$invoice->get_data_store()->delete_items($invoice);
+				$invoice->get_data_store()->delete_special_fields($invoice);
 				break;
 		}
 	}
@@ -861,29 +861,29 @@ 
      *
      * @return mixed
      */
-    public static function add_display_post_states( $post_states, $post ) {
+    public static function add_display_post_states($post_states, $post) {
 
-        if ( wpinv_get_option( 'success_page', 0 ) == $post->ID ) {
-            $post_states['getpaid_success_page'] = __( 'GetPaid Receipt Page', 'invoicing' );
+        if (wpinv_get_option('success_page', 0) == $post->ID) {
+            $post_states['getpaid_success_page'] = __('GetPaid Receipt Page', 'invoicing');
         }
 
-		foreach ( getpaid_get_invoice_post_types() as $post_type => $label ) {
+		foreach (getpaid_get_invoice_post_types() as $post_type => $label) {
 
-			if ( wpinv_get_option( "{$post_type}_history_page", 0 ) == $post->ID ) {
+			if (wpinv_get_option("{$post_type}_history_page", 0) == $post->ID) {
 				$post_states["getpaid_{$post_type}_history_page"] = sprintf(
-					__( 'GetPaid %s History Page', 'invoicing' ),
+					__('GetPaid %s History Page', 'invoicing'),
 					$label
 				);
 			}
 
 		}
 		
-		if ( wpinv_get_option( 'invoice_subscription_page', 0 ) == $post->ID ) {
-            $post_states['getpaid_invoice_subscription_page'] = __( 'GetPaid Subscription Page', 'invoicing' );
+		if (wpinv_get_option('invoice_subscription_page', 0) == $post->ID) {
+            $post_states['getpaid_invoice_subscription_page'] = __('GetPaid Subscription Page', 'invoicing');
         }
 
-		if ( wpinv_get_option( 'checkout_page', 0 ) == $post->ID ) {
-            $post_states['getpaid_checkout_page'] = __( 'GetPaid Checkout Page', 'invoicing' );
+		if (wpinv_get_option('checkout_page', 0) == $post->ID) {
+            $post_states['getpaid_checkout_page'] = __('GetPaid Checkout Page', 'invoicing');
         }
 
         return $post_states;

includes/admin/class-getpaid-admin.php

Indentation +602 added lines, -602 removed lines

@@ -14,91 +14,91 @@ 
 class GetPaid_Admin {
 
     /**
-	 * Local path to this plugins admin directory
-	 *
-	 * @var         string
-	 */
-	public $admin_path;
-
-	/**
-	 * Web path to this plugins admin directory
-	 *
-	 * @var         string
-	 */
-	public $admin_url;
+     * Local path to this plugins admin directory
+     *
+     * @var         string
+     */
+    public $admin_path;
+
+    /**
+     * Web path to this plugins admin directory
+     *
+     * @var         string
+     */
+    public $admin_url;
 	
-	/**
-	 * Reports components.
-	 *
-	 * @var GetPaid_Reports
-	 */
+    /**
+     * Reports components.
+     *
+     * @var GetPaid_Reports
+     */
     public $reports;
 
     /**
-	 * Class constructor.
-	 */
-	public function __construct(){
+     * Class constructor.
+     */
+    public function __construct(){
 
         $this->admin_path  = plugin_dir_path( __FILE__ );
-		$this->admin_url   = plugins_url( '/', __FILE__ );
-		$this->reports     = new GetPaid_Reports();
+        $this->admin_url   = plugins_url( '/', __FILE__ );
+        $this->reports     = new GetPaid_Reports();
 
         if ( is_admin() ) {
-			$this->init_admin_hooks();
+            $this->init_admin_hooks();
         }
 
     }
 
     /**
-	 * Init action and filter hooks
-	 *
-	 */
-	private function init_admin_hooks() {
+     * Init action and filter hooks
+     *
+     */
+    private function init_admin_hooks() {
         add_action( 'admin_enqueue_scripts', array( $this, 'enqeue_scripts' ), 9 );
         add_filter( 'admin_body_class', array( $this, 'admin_body_class' ) );
         add_action( 'admin_init', array( $this, 'init_ayecode_connect_helper' ) );
         add_action( 'admin_init', array( $this, 'activation_redirect') );
         add_action( 'admin_init', array( $this, 'maybe_do_admin_action') );
-		add_action( 'admin_notices', array( $this, 'show_notices' ) );
-		add_action( 'getpaid_authenticated_admin_action_rate_plugin', array( $this, 'redirect_to_wordpress_rating_page' ) );
-		add_action( 'getpaid_authenticated_admin_action_duplicate_form', array( $this, 'duplicate_payment_form' ) );
-		add_action( 'getpaid_authenticated_admin_action_duplicate_invoice', array( $this, 'duplicate_invoice' ) );
-		add_action( 'getpaid_authenticated_admin_action_send_invoice', array( $this, 'send_customer_invoice' ) );
-		add_action( 'getpaid_authenticated_admin_action_send_invoice_reminder', array( $this, 'send_customer_payment_reminder' ) );
+        add_action( 'admin_notices', array( $this, 'show_notices' ) );
+        add_action( 'getpaid_authenticated_admin_action_rate_plugin', array( $this, 'redirect_to_wordpress_rating_page' ) );
+        add_action( 'getpaid_authenticated_admin_action_duplicate_form', array( $this, 'duplicate_payment_form' ) );
+        add_action( 'getpaid_authenticated_admin_action_duplicate_invoice', array( $this, 'duplicate_invoice' ) );
+        add_action( 'getpaid_authenticated_admin_action_send_invoice', array( $this, 'send_customer_invoice' ) );
+        add_action( 'getpaid_authenticated_admin_action_send_invoice_reminder', array( $this, 'send_customer_payment_reminder' ) );
         add_action( 'getpaid_authenticated_admin_action_reset_tax_rates', array( $this, 'admin_reset_tax_rates' ) );
-		add_action( 'getpaid_authenticated_admin_action_create_missing_pages', array( $this, 'admin_create_missing_pages' ) );
-		add_action( 'getpaid_authenticated_admin_action_create_missing_tables', array( $this, 'admin_create_missing_tables' ) );
-		add_action( 'getpaid_authenticated_admin_action_migrate_old_invoices', array( $this, 'admin_migrate_old_invoices' ) );
-		add_action( 'getpaid_authenticated_admin_action_download_customers', array( $this, 'admin_download_customers' ) );
-		add_action( 'getpaid_authenticated_admin_action_recalculate_discounts', array( $this, 'admin_recalculate_discounts' ) );
-		add_action( 'getpaid_authenticated_admin_action_install_plugin', array( $this, 'admin_install_plugin' ) );
-		add_action( 'getpaid_authenticated_admin_action_connect_gateway', array( $this, 'admin_connect_gateway' ) );
-		add_filter( 'admin_footer_text', array( $this, 'admin_footer_text' ) );
-		do_action( 'getpaid_init_admin_hooks', $this );
-
-		// Setup/welcome
-		if ( ! empty( $_GET['page'] ) ) {
-			switch ( $_GET['page'] ) {
-				case 'gp-setup' :
-					include_once( dirname( __FILE__ ) . '/class-getpaid-admin-setup-wizard.php' );
-					break;
-			}
-		}
-
-    }
-
-    /**
-	 * Register admin scripts
-	 *
-	 */
-	public function enqeue_scripts() {
+        add_action( 'getpaid_authenticated_admin_action_create_missing_pages', array( $this, 'admin_create_missing_pages' ) );
+        add_action( 'getpaid_authenticated_admin_action_create_missing_tables', array( $this, 'admin_create_missing_tables' ) );
+        add_action( 'getpaid_authenticated_admin_action_migrate_old_invoices', array( $this, 'admin_migrate_old_invoices' ) );
+        add_action( 'getpaid_authenticated_admin_action_download_customers', array( $this, 'admin_download_customers' ) );
+        add_action( 'getpaid_authenticated_admin_action_recalculate_discounts', array( $this, 'admin_recalculate_discounts' ) );
+        add_action( 'getpaid_authenticated_admin_action_install_plugin', array( $this, 'admin_install_plugin' ) );
+        add_action( 'getpaid_authenticated_admin_action_connect_gateway', array( $this, 'admin_connect_gateway' ) );
+        add_filter( 'admin_footer_text', array( $this, 'admin_footer_text' ) );
+        do_action( 'getpaid_init_admin_hooks', $this );
+
+        // Setup/welcome
+        if ( ! empty( $_GET['page'] ) ) {
+            switch ( $_GET['page'] ) {
+                case 'gp-setup' :
+                    include_once( dirname( __FILE__ ) . '/class-getpaid-admin-setup-wizard.php' );
+                    break;
+            }
+        }
+
+    }
+
+    /**
+     * Register admin scripts
+     *
+     */
+    public function enqeue_scripts() {
         global $current_screen, $pagenow;
 
-		$page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
-		$editing = $pagenow == 'post.php' || $pagenow == 'post-new.php';
+        $page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
+        $editing = $pagenow == 'post.php' || $pagenow == 'post-new.php';
 
         if ( ! empty( $current_screen->post_type ) ) {
-			$page = $current_screen->post_type;
+            $page = $current_screen->post_type;
         }
 
         // General styles.
@@ -119,54 +119,54 @@ 
         }
 
         // Payment form scripts.
-		if ( 'wpi_payment_form' == $page && $editing ) {
+        if ( 'wpi_payment_form' == $page && $editing ) {
             $this->load_payment_form_scripts();
         }
 
-		if ( $page == 'wpinv-subscriptions' ) {
-			wp_enqueue_script( 'postbox' );
-		}
+        if ( $page == 'wpinv-subscriptions' ) {
+            wp_enqueue_script( 'postbox' );
+        }
 
     }
 
     /**
-	 * Returns admin js translations.
-	 *
-	 */
-	protected function get_admin_i18() {
+     * Returns admin js translations.
+     *
+     */
+    protected function get_admin_i18() {
         global $post;
 
-		$date_range = array(
-			'period' => isset( $_GET['date_range'] ) ? sanitize_text_field( $_GET['date_range'] ) : '7_days'
-		);
+        $date_range = array(
+            'period' => isset( $_GET['date_range'] ) ? sanitize_text_field( $_GET['date_range'] ) : '7_days'
+        );
 
-		if ( $date_range['period'] == 'custom' ) {
+        if ( $date_range['period'] == 'custom' ) {
 			
-			if ( isset( $_GET['from'] ) ) {
-				$date_range[ 'after' ] = date( 'Y-m-d', strtotime( sanitize_text_field( $_GET['from'] ), current_time( 'timestamp' ) ) - DAY_IN_SECONDS );
-			}
+            if ( isset( $_GET['from'] ) ) {
+                $date_range[ 'after' ] = date( 'Y-m-d', strtotime( sanitize_text_field( $_GET['from'] ), current_time( 'timestamp' ) ) - DAY_IN_SECONDS );
+            }
 
-			if ( isset( $_GET['to'] ) ) {
-				$date_range[ 'before' ] = date( 'Y-m-d', strtotime( sanitize_text_field( $_GET['to'] ), current_time( 'timestamp' ) ) + DAY_IN_SECONDS );
-			}
+            if ( isset( $_GET['to'] ) ) {
+                $date_range[ 'before' ] = date( 'Y-m-d', strtotime( sanitize_text_field( $_GET['to'] ), current_time( 'timestamp' ) ) + DAY_IN_SECONDS );
+            }
 
-		}
+        }
 
         $i18n = array(
             'ajax_url'                  => admin_url( 'admin-ajax.php' ),
             'post_ID'                   => isset( $post->ID ) ? $post->ID : '',
-			'wpinv_nonce'               => wp_create_nonce( 'wpinv-nonce' ),
-			'rest_nonce'                => wp_create_nonce( 'wp_rest' ),
-			'rest_root'                 => esc_url_raw( rest_url() ),
-			'date_range'                => $date_range,
+            'wpinv_nonce'               => wp_create_nonce( 'wpinv-nonce' ),
+            'rest_nonce'                => wp_create_nonce( 'wp_rest' ),
+            'rest_root'                 => esc_url_raw( rest_url() ),
+            'date_range'                => $date_range,
             'add_invoice_note_nonce'    => wp_create_nonce( 'add-invoice-note' ),
             'delete_invoice_note_nonce' => wp_create_nonce( 'delete-invoice-note' ),
             'invoice_item_nonce'        => wp_create_nonce( 'invoice-item' ),
             'billing_details_nonce'     => wp_create_nonce( 'get-billing-details' ),
             'tax'                       => wpinv_tax_amount(),
             'discount'                  => 0,
-			'currency_symbol'           => wpinv_currency_symbol(),
-			'currency'                  => wpinv_get_currency(),
+            'currency_symbol'           => wpinv_currency_symbol(),
+            'currency'                  => wpinv_get_currency(),
             'currency_pos'              => wpinv_currency_position(),
             'thousand_sep'              => wpinv_thousands_separator(),
             'decimal_sep'               => wpinv_decimal_separator(),
@@ -186,118 +186,118 @@ 
             'item_description'          => __( 'Item Description', 'invoicing' ),
             'invoice_description'       => __( 'Invoice Description', 'invoicing' ),
             'discount_description'      => __( 'Discount Description', 'invoicing' ),
-			'searching'                 => __( 'Searching', 'invoicing' ),
-			'loading'                   => __( 'Loading...', 'invoicing' ),
-			'search_customers'          => __( 'Enter customer name or email', 'invoicing' ),
-			'search_items'              => __( 'Enter item name', 'invoicing' ),
+            'searching'                 => __( 'Searching', 'invoicing' ),
+            'loading'                   => __( 'Loading...', 'invoicing' ),
+            'search_customers'          => __( 'Enter customer name or email', 'invoicing' ),
+            'search_items'              => __( 'Enter item name', 'invoicing' ),
         );
 
-		if ( ! empty( $post ) && getpaid_is_invoice_post_type( $post->post_type ) ) {
+        if ( ! empty( $post ) && getpaid_is_invoice_post_type( $post->post_type ) ) {
 
-			$invoice              = new WPInv_Invoice( $post );
-			$i18n['save_invoice'] = sprintf(
-				__( 'Save %s', 'invoicing' ),
-				ucfirst( $invoice->get_invoice_quote_type() )
-			);
+            $invoice              = new WPInv_Invoice( $post );
+            $i18n['save_invoice'] = sprintf(
+                __( 'Save %s', 'invoicing' ),
+                ucfirst( $invoice->get_invoice_quote_type() )
+            );
 
-			$i18n['invoice_description'] = sprintf(
-				__( '%s Description', 'invoicing' ),
-				ucfirst( $invoice->get_invoice_quote_type() )
-			);
+            $i18n['invoice_description'] = sprintf(
+                __( '%s Description', 'invoicing' ),
+                ucfirst( $invoice->get_invoice_quote_type() )
+            );
 
-		}
-		return $i18n;
-	}
+        }
+        return $i18n;
+    }
 
-	/**
-	 * Change the admin footer text on GetPaid admin pages.
-	 *
-	 * @since  2.0.0
-	 * @param  string $footer_text
-	 * @return string
-	 */
-	public function admin_footer_text( $footer_text ) {
-		global $current_screen;
+    /**
+     * Change the admin footer text on GetPaid admin pages.
+     *
+     * @since  2.0.0
+     * @param  string $footer_text
+     * @return string
+     */
+    public function admin_footer_text( $footer_text ) {
+        global $current_screen;
 
-		$page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
+        $page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
 
         if ( ! empty( $current_screen->post_type ) ) {
-			$page = $current_screen->post_type;
+            $page = $current_screen->post_type;
         }
 
         // General styles.
         if ( apply_filters( 'getpaid_display_admin_footer_text', wpinv_current_user_can_manage_invoicing() ) && false !== stripos( $page, 'wpi' ) ) {
 
-			// Change the footer text
-			if ( ! get_user_meta( get_current_user_id(), 'getpaid_admin_footer_text_rated', true ) ) {
-
-				$rating_url  = esc_url(
-					wp_nonce_url(
-						admin_url( 'admin.php?page=wpinv-reports&getpaid-admin-action=rate_plugin' ),
-						'getpaid-nonce',
-						'getpaid-nonce'
-						)
-				);
-
-				$footer_text = sprintf(
-					/* translators: %s: five stars */
-					__( 'If you like <strong>GetPaid</strong>, please leave us a %s rating. A huge thanks in advance!', 'invoicing' ),
-					"<a href='$rating_url'>&#9733;&#9733;&#9733;&#9733;&#9733;</a>"
-				);
-
-			} else {
-
-				$footer_text = sprintf(
-					/* translators: %s: GetPaid */
-					__( 'Thank you for using %s!', 'invoicing' ),
-					"<a href='https://wpgetpaid.com/' target='_blank'><strong>GetPaid</strong></a>"
-				);
-
-			}
-
-		}
-
-		return $footer_text;
-	}
-
-	/**
-	 * Redirects to wp.org to rate the plugin.
-	 *
-	 * @since  2.0.0
-	 */
-	public function redirect_to_wordpress_rating_page() {
-		update_user_meta( get_current_user_id(), 'getpaid_admin_footer_text_rated', 1 );
-		wp_redirect( 'https://wordpress.org/support/plugin/invoicing/reviews?rate=5#new-post' );
-		exit;
-	}
-
-    /**
-	 * Loads payment form js.
-	 *
-	 */
-	protected function load_payment_form_scripts() {
+            // Change the footer text
+            if ( ! get_user_meta( get_current_user_id(), 'getpaid_admin_footer_text_rated', true ) ) {
+
+                $rating_url  = esc_url(
+                    wp_nonce_url(
+                        admin_url( 'admin.php?page=wpinv-reports&getpaid-admin-action=rate_plugin' ),
+                        'getpaid-nonce',
+                        'getpaid-nonce'
+                        )
+                );
+
+                $footer_text = sprintf(
+                    /* translators: %s: five stars */
+                    __( 'If you like <strong>GetPaid</strong>, please leave us a %s rating. A huge thanks in advance!', 'invoicing' ),
+                    "<a href='$rating_url'>&#9733;&#9733;&#9733;&#9733;&#9733;</a>"
+                );
+
+            } else {
+
+                $footer_text = sprintf(
+                    /* translators: %s: GetPaid */
+                    __( 'Thank you for using %s!', 'invoicing' ),
+                    "<a href='https://wpgetpaid.com/' target='_blank'><strong>GetPaid</strong></a>"
+                );
+
+            }
+
+        }
+
+        return $footer_text;
+    }
+
+    /**
+     * Redirects to wp.org to rate the plugin.
+     *
+     * @since  2.0.0
+     */
+    public function redirect_to_wordpress_rating_page() {
+        update_user_meta( get_current_user_id(), 'getpaid_admin_footer_text_rated', 1 );
+        wp_redirect( 'https://wordpress.org/support/plugin/invoicing/reviews?rate=5#new-post' );
+        exit;
+    }
+
+    /**
+     * Loads payment form js.
+     *
+     */
+    protected function load_payment_form_scripts() {
         global $post;
 
         wp_enqueue_script( 'vue', WPINV_PLUGIN_URL . 'assets/js/vue/vue.min.js', array(), WPINV_VERSION );
-		wp_enqueue_script( 'sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION );
-		wp_enqueue_script( 'vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array( 'sortable', 'vue' ), WPINV_VERSION );
+        wp_enqueue_script( 'sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION );
+        wp_enqueue_script( 'vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array( 'sortable', 'vue' ), WPINV_VERSION );
 
-		$version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js' );
-		wp_register_script( 'wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array( 'wpinv-admin-script', 'vue_draggable', 'wp-hooks' ),  $version );
+        $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js' );
+        wp_register_script( 'wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array( 'wpinv-admin-script', 'vue_draggable', 'wp-hooks' ),  $version );
 
-		wp_localize_script(
+        wp_localize_script(
             'wpinv-admin-payment-form-script',
             'wpinvPaymentFormAdmin',
             array(
-				'elements'      => wpinv_get_data( 'payment-form-elements' ),
-				'form_elements' => getpaid_get_payment_form_elements( $post->ID ),
-				'currency'      => wpinv_currency_symbol(),
-				'position'      => wpinv_currency_position(),
-				'decimals'      => (int) wpinv_decimals(),
-				'thousands_sep' => wpinv_thousands_separator(),
-				'decimals_sep'  => wpinv_decimal_separator(),
-				'form_items'    => gepaid_get_form_items( $post->ID ),
-				'is_default'    => $post->ID == wpinv_get_default_payment_form(),
+                'elements'      => wpinv_get_data( 'payment-form-elements' ),
+                'form_elements' => getpaid_get_payment_form_elements( $post->ID ),
+                'currency'      => wpinv_currency_symbol(),
+                'position'      => wpinv_currency_position(),
+                'decimals'      => (int) wpinv_decimals(),
+                'thousands_sep' => wpinv_thousands_separator(),
+                'decimals_sep'  => wpinv_decimal_separator(),
+                'form_items'    => gepaid_get_form_items( $post->ID ),
+                'is_default'    => $post->ID == wpinv_get_default_payment_form(),
             )
         );
 
@@ -306,20 +306,20 @@ 
     }
 
     /**
-	 * Add our classes to admin pages.
+     * Add our classes to admin pages.
      *
      * @param string $classes
      * @return string
-	 *
-	 */
+     *
+     */
     public function admin_body_class( $classes ) {
-		global $pagenow, $post, $current_screen;
+        global $pagenow, $post, $current_screen;
 
 
         $page = isset( $_GET['page'] ) ? $_GET['page'] : '';
 
         if ( ! empty( $current_screen->post_type ) ) {
-			$page = $current_screen->post_type;
+            $page = $current_screen->post_type;
         }
 
         if ( false !== stripos( $page, 'wpi' ) ) {
@@ -328,68 +328,68 @@ 
 
         if ( in_array( $page, wpinv_parse_list( 'wpi_invoice wpi_payment_form wpi_quote' ) ) ) {
             $classes .= ' wpinv-cpt wpinv';
-		}
+        }
 		
-		if ( getpaid_is_invoice_post_type( $page ) ) {
+        if ( getpaid_is_invoice_post_type( $page ) ) {
             $classes .= ' getpaid-is-invoice-cpt';
         }
 
-		return $classes;
+        return $classes;
     }
 
     /**
-	 * Maybe show the AyeCode Connect Notice.
-	 */
-	public function init_ayecode_connect_helper(){
+     * Maybe show the AyeCode Connect Notice.
+     */
+    public function init_ayecode_connect_helper(){
 
-		// Register with the deactivation survey class.
-		AyeCode_Deactivation_Survey::instance(array(
-			'slug'		        => 'invoicing',
-			'version'	        => WPINV_VERSION,
-			'support_url'       => 'https://wpgetpaid.com/support/',
-			'documentation_url' => 'https://docs.wpgetpaid.com/',
-			'activated'         => (int) get_option( 'gepaid_installed_on' ),
-		));
+        // Register with the deactivation survey class.
+        AyeCode_Deactivation_Survey::instance(array(
+            'slug'		        => 'invoicing',
+            'version'	        => WPINV_VERSION,
+            'support_url'       => 'https://wpgetpaid.com/support/',
+            'documentation_url' => 'https://docs.wpgetpaid.com/',
+            'activated'         => (int) get_option( 'gepaid_installed_on' ),
+        ));
 
         new AyeCode_Connect_Helper(
             array(
-				'connect_title' => __("WP Invoicing - an AyeCode product!","invoicing"),
-				'connect_external'  => __( "Please confirm you wish to connect your site?","invoicing" ),
-				'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s","invoicing" ),"<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>","</a>" ),
-				'connect_button'    => __("Connect Site","invoicing"),
-				'connecting_button'    => __("Connecting...","invoicing"),
-				'error_localhost'   => __( "This service will only work with a live domain, not a localhost.","invoicing" ),
-				'error'             => __( "Something went wrong, please refresh and try again.","invoicing" ),
+                'connect_title' => __("WP Invoicing - an AyeCode product!","invoicing"),
+                'connect_external'  => __( "Please confirm you wish to connect your site?","invoicing" ),
+                'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s","invoicing" ),"<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>","</a>" ),
+                'connect_button'    => __("Connect Site","invoicing"),
+                'connecting_button'    => __("Connecting...","invoicing"),
+                'error_localhost'   => __( "This service will only work with a live domain, not a localhost.","invoicing" ),
+                'error'             => __( "Something went wrong, please refresh and try again.","invoicing" ),
             ),
             array( 'wpi-addons' )
         );
 
     }
 
-	/**
-	 * Redirect users to settings on activation.
-	 *
-	 * @return void
-	 */
-	public function activation_redirect() {
+    /**
+     * Redirect users to settings on activation.
+     *
+     * @return void
+     */
+    public function activation_redirect() {
 
-		$redirected = get_option( 'wpinv_redirected_to_settings' );
+        $redirected = get_option( 'wpinv_redirected_to_settings' );
 
-		if ( ! empty( $redirected ) || wp_doing_ajax() || ! current_user_can( 'manage_options' ) ) {
-			return;
-		}
+        if ( ! empty( $redirected ) || wp_doing_ajax() || ! current_user_can( 'manage_options' ) ) {
+            return;
+        }
 
-		// Bail if activating from network, or bulk
-		if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
-			return;
-		}
+        // Bail if activating from network, or bulk
+        if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
+            return;
+        }
 
-	    update_option( 'wpinv_redirected_to_settings', 1 );
+        update_option( 'wpinv_redirected_to_settings', 1 );
 
         wp_safe_redirect( admin_url( 'index.php?page=gp-setup' ) );
         exit;
 
-	}
+    }
 
     /**
      * Fires an admin action after verifying that a user can fire them.
@@ -403,532 +403,532 @@ 
 
     }
 
-	/**
+    /**
      * Duplicate invoice.
-	 * 
-	 * @param array $args
+     * 
+     * @param array $args
      */
     public function duplicate_invoice( $args ) {
 
-		if ( empty( $args['invoice_id'] ) ) {
-			return;
-		}
+        if ( empty( $args['invoice_id'] ) ) {
+            return;
+        }
 
-		$invoice = new WPInv_Invoice( (int) $args['invoice_id'] );
+        $invoice = new WPInv_Invoice( (int) $args['invoice_id'] );
 
-		if ( ! $invoice->exists() ) {
-			return;
-		}
+        if ( ! $invoice->exists() ) {
+            return;
+        }
 
-		$new_invoice = getpaid_duplicate_invoice( $invoice );
-		$new_invoice->save();
+        $new_invoice = getpaid_duplicate_invoice( $invoice );
+        $new_invoice->save();
 
-		if ( $new_invoice->exists() ) {
+        if ( $new_invoice->exists() ) {
 
-			getpaid_admin()->show_success( __( 'Invoice duplicated successfully.', 'newsletter-optin-box' ) );
+            getpaid_admin()->show_success( __( 'Invoice duplicated successfully.', 'newsletter-optin-box' ) );
 
-			wp_safe_redirect(
-				add_query_arg(
-					array(
-						'action' => 'edit',
-						'post' => $new_invoice->get_id(),
-					),
-					admin_url( 'post.php' )
-				)
-			);
-			exit;
+            wp_safe_redirect(
+                add_query_arg(
+                    array(
+                        'action' => 'edit',
+                        'post' => $new_invoice->get_id(),
+                    ),
+                    admin_url( 'post.php' )
+                )
+            );
+            exit;
 
-		}
+        }
 
-		getpaid_admin()->show_error( __( 'There was an error duplicating this invoice. Please try again.', 'newsletter-optin-box' ) );
+        getpaid_admin()->show_error( __( 'There was an error duplicating this invoice. Please try again.', 'newsletter-optin-box' ) );
 
-	}
+    }
 
-	/**
+    /**
      * Sends a payment reminder to a customer.
-	 * 
-	 * @param array $args
+     * 
+     * @param array $args
      */
     public function duplicate_payment_form( $args ) {
 
-		if ( empty( $args['form_id'] ) ) {
-			return;
-		}
-
-		$form = new GetPaid_Payment_Form( (int) $args['form_id'] );
+        if ( empty( $args['form_id'] ) ) {
+            return;
+        }
 
-		if ( ! $form->exists() ) {
-			return;
-		}
+        $form = new GetPaid_Payment_Form( (int) $args['form_id'] );
 
-		$new_form = new GetPaid_Payment_Form();
-		$new_form->set_author( $form->get_author( 'edit' ) );
-		$new_form->set_name( $form->get_name( 'edit' ) . __( '(copy)', 'invoicing' ) );
-		$new_form->set_elements( $form->get_elements( 'edit' ) );
-		$new_form->set_items( $form->get_items( 'edit' ) );
-		$new_form->save();
+        if ( ! $form->exists() ) {
+            return;
+        }
 
-		if ( $new_form->exists() ) {
-			$this->show_success( __( 'Form duplicated successfully', 'invoicing' ) );
-			$url = get_edit_post_link( $new_form->get_id(), 'edit' );
-		} else {
-			$this->show_error( __( 'Unable to duplicate form', 'invoicing' ) );
-			$url = remove_query_arg( array( 'getpaid-admin-action', 'form_id', 'getpaid-nonce' ) );
-		}
+        $new_form = new GetPaid_Payment_Form();
+        $new_form->set_author( $form->get_author( 'edit' ) );
+        $new_form->set_name( $form->get_name( 'edit' ) . __( '(copy)', 'invoicing' ) );
+        $new_form->set_elements( $form->get_elements( 'edit' ) );
+        $new_form->set_items( $form->get_items( 'edit' ) );
+        $new_form->save();
+
+        if ( $new_form->exists() ) {
+            $this->show_success( __( 'Form duplicated successfully', 'invoicing' ) );
+            $url = get_edit_post_link( $new_form->get_id(), 'edit' );
+        } else {
+            $this->show_error( __( 'Unable to duplicate form', 'invoicing' ) );
+            $url = remove_query_arg( array( 'getpaid-admin-action', 'form_id', 'getpaid-nonce' ) );
+        }
 
-		wp_redirect( $url );
-		exit;
-	}
+        wp_redirect( $url );
+        exit;
+    }
 
-	/**
+    /**
      * Sends a payment reminder to a customer.
-	 * 
-	 * @param array $args
+     * 
+     * @param array $args
      */
     public function send_customer_invoice( $args ) {
-		getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $args['invoice_id'] ), true );
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
-		exit;
-	}
+        getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $args['invoice_id'] ), true );
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
+        exit;
+    }
 
-	/**
+    /**
      * Sends a payment reminder to a customer.
-	 * 
-	 * @param array $args
+     * 
+     * @param array $args
      */
     public function send_customer_payment_reminder( $args ) {
-		$sent = getpaid()->get( 'invoice_emails' )->force_send_overdue_notice( new WPInv_Invoice( $args['invoice_id'] ) );
+        $sent = getpaid()->get( 'invoice_emails' )->force_send_overdue_notice( new WPInv_Invoice( $args['invoice_id'] ) );
 
-		if ( $sent ) {
-			$this->show_success( __( 'Payment reminder was successfully sent to the customer', 'invoicing' ) );
-		} else {
-			$this->show_error( __( 'Could not sent payment reminder to the customer', 'invoicing' ) );
-		}
+        if ( $sent ) {
+            $this->show_success( __( 'Payment reminder was successfully sent to the customer', 'invoicing' ) );
+        } else {
+            $this->show_error( __( 'Could not sent payment reminder to the customer', 'invoicing' ) );
+        }
 
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
-		exit;
-	}
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
+        exit;
+    }
 
-	/**
+    /**
      * Resets tax rates.
-	 * 
+     * 
      */
     public function admin_reset_tax_rates() {
 
-		update_option( 'wpinv_tax_rates', wpinv_get_data( 'tax-rates' ) );
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
-		exit;
+        update_option( 'wpinv_tax_rates', wpinv_get_data( 'tax-rates' ) );
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+        exit;
 
-	}
+    }
 
-	/**
+    /**
      * Resets admin pages.
-	 * 
+     * 
      */
     public function admin_create_missing_pages() {
-		$installer = new GetPaid_Installer();
-		$installer->create_pages();
-		$this->show_success( __( 'GetPaid pages updated.', 'invoicing' ) );
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
-		exit;
-	}
-
-	/**
+        $installer = new GetPaid_Installer();
+        $installer->create_pages();
+        $this->show_success( __( 'GetPaid pages updated.', 'invoicing' ) );
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+        exit;
+    }
+
+    /**
      * Creates an missing admin tables.
-	 * 
+     * 
      */
     public function admin_create_missing_tables() {
-		global $wpdb;
-		$installer = new GetPaid_Installer();
+        global $wpdb;
+        $installer = new GetPaid_Installer();
 
-		if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}wpinv_subscriptions'" ) != $wpdb->prefix . 'wpinv_subscriptions' ) {
-			$installer->create_subscriptions_table();
+        if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}wpinv_subscriptions'" ) != $wpdb->prefix . 'wpinv_subscriptions' ) {
+            $installer->create_subscriptions_table();
 
-			if ( $wpdb->last_error !== '' ) {
-				$this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
-			}
-		}
+            if ( $wpdb->last_error !== '' ) {
+                $this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
+            }
+        }
 
-		if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoices'" ) != $wpdb->prefix . 'getpaid_invoices' ) {
-			$installer->create_invoices_table();
+        if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoices'" ) != $wpdb->prefix . 'getpaid_invoices' ) {
+            $installer->create_invoices_table();
 
-			if ( $wpdb->last_error !== '' ) {
-				$this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
-			}
-		}
+            if ( $wpdb->last_error !== '' ) {
+                $this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
+            }
+        }
 
-		if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoice_items'" ) != $wpdb->prefix . 'getpaid_invoice_items' ) {
-			$installer->create_invoice_items_table();
+        if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoice_items'" ) != $wpdb->prefix . 'getpaid_invoice_items' ) {
+            $installer->create_invoice_items_table();
 
-			if ( $wpdb->last_error !== '' ) {
-				$this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
-			}
-		}
+            if ( $wpdb->last_error !== '' ) {
+                $this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
+            }
+        }
 
-		if ( ! $this->has_notices() ) {
-			$this->show_success( __( 'Your GetPaid tables have been updated.', 'invoicing' ) );
-		}
+        if ( ! $this->has_notices() ) {
+            $this->show_success( __( 'Your GetPaid tables have been updated.', 'invoicing' ) );
+        }
 
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
-		exit;
-	}
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+        exit;
+    }
 
-	/**
+    /**
      * Migrates old invoices to the new database tables.
-	 * 
+     * 
      */
     public function admin_migrate_old_invoices() {
 
-		// Migrate the invoices.
-		$installer = new GetPaid_Installer();
-		$installer->migrate_old_invoices();
+        // Migrate the invoices.
+        $installer = new GetPaid_Installer();
+        $installer->migrate_old_invoices();
 
-		// Show an admin message.
-		$this->show_success( __( 'Your invoices have been migrated.', 'invoicing' ) );
+        // Show an admin message.
+        $this->show_success( __( 'Your invoices have been migrated.', 'invoicing' ) );
 
-		// Redirect the admin.
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
-		exit;
+        // Redirect the admin.
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+        exit;
 
-	}
+    }
 
-	/**
+    /**
      * Download customers.
-	 * 
+     * 
      */
     public function admin_download_customers() {
-		global $wpdb;
+        global $wpdb;
 
-		$output = fopen( 'php://output', 'w' ) or die( __( 'Unsupported server', 'invoicing' ) );
+        $output = fopen( 'php://output', 'w' ) or die( __( 'Unsupported server', 'invoicing' ) );
 
-		header( "Content-Type:text/csv" );
-		header( "Content-Disposition:attachment;filename=customers.csv" );
+        header( "Content-Type:text/csv" );
+        header( "Content-Disposition:attachment;filename=customers.csv" );
 
-		$post_types = '';
+        $post_types = '';
 
-		foreach ( array_keys( getpaid_get_invoice_post_types() ) as $post_type ) {
-			$post_types .= $wpdb->prepare( "post_type=%s OR ", $post_type );
-		}
+        foreach ( array_keys( getpaid_get_invoice_post_types() ) as $post_type ) {
+            $post_types .= $wpdb->prepare( "post_type=%s OR ", $post_type );
+        }
 
-		$post_types = rtrim( $post_types, ' OR' );
+        $post_types = rtrim( $post_types, ' OR' );
 
-		$customers = $wpdb->get_col(
-			$wpdb->prepare(
-				"SELECT DISTINCT( post_author ) FROM $wpdb->posts WHERE $post_types"
-			)
-		);
+        $customers = $wpdb->get_col(
+            $wpdb->prepare(
+                "SELECT DISTINCT( post_author ) FROM $wpdb->posts WHERE $post_types"
+            )
+        );
 
-		$columns = array(
-			'name'     => __( 'Name', 'invoicing' ),
-			'email'    => __( 'Email', 'invoicing' ),
-			'country'  => __( 'Country', 'invoicing' ),
-			'state'    => __( 'State', 'invoicing' ),
-			'city'     => __( 'City', 'invoicing' ),
-			'zip'      => __( 'ZIP', 'invoicing' ),
-			'address'  => __( 'Address', 'invoicing' ),
-			'phone'    => __( 'Phone', 'invoicing' ),
-			'company'  => __( 'Company', 'invoicing' ),
-			'company_id'  => __( 'Company ID', 'invoicing' ),
-			'invoices' => __( 'Invoices', 'invoicing' ),
-			'total_raw' => __( 'Total Spend', 'invoicing' ),
-			'signup'   => __( 'Date created', 'invoicing' ),
-		);
+        $columns = array(
+            'name'     => __( 'Name', 'invoicing' ),
+            'email'    => __( 'Email', 'invoicing' ),
+            'country'  => __( 'Country', 'invoicing' ),
+            'state'    => __( 'State', 'invoicing' ),
+            'city'     => __( 'City', 'invoicing' ),
+            'zip'      => __( 'ZIP', 'invoicing' ),
+            'address'  => __( 'Address', 'invoicing' ),
+            'phone'    => __( 'Phone', 'invoicing' ),
+            'company'  => __( 'Company', 'invoicing' ),
+            'company_id'  => __( 'Company ID', 'invoicing' ),
+            'invoices' => __( 'Invoices', 'invoicing' ),
+            'total_raw' => __( 'Total Spend', 'invoicing' ),
+            'signup'   => __( 'Date created', 'invoicing' ),
+        );
 
-		// Output the csv column headers.
-		fputcsv( $output, array_values( $columns ) );
+        // Output the csv column headers.
+        fputcsv( $output, array_values( $columns ) );
 
-		// Loop through
-		$table = new WPInv_Customers_Table();
-		foreach ( $customers as $customer_id ) {
+        // Loop through
+        $table = new WPInv_Customers_Table();
+        foreach ( $customers as $customer_id ) {
 
-			$user = get_user_by( 'id', $customer_id );
-			$row  = array();
-			if ( empty( $user ) ) {
-				continue;
-			}
+            $user = get_user_by( 'id', $customer_id );
+            $row  = array();
+            if ( empty( $user ) ) {
+                continue;
+            }
 
-			foreach ( array_keys( $columns ) as $column ) {
+            foreach ( array_keys( $columns ) as $column ) {
 
-				$method = 'column_' . $column;
+                $method = 'column_' . $column;
 
-				if ( 'name' == $column ) {
-					$value = esc_html( $user->display_name );
-				} else if( 'email' == $column ) {
-					$value = sanitize_email( $user->user_email );
-				} else if ( is_callable( array( $table, $method ) ) ) {
-					$value = strip_tags( $table->$method( $user ) );
-				}
+                if ( 'name' == $column ) {
+                    $value = esc_html( $user->display_name );
+                } else if( 'email' == $column ) {
+                    $value = sanitize_email( $user->user_email );
+                } else if ( is_callable( array( $table, $method ) ) ) {
+                    $value = strip_tags( $table->$method( $user ) );
+                }
 
-				if ( empty( $value ) ) {
-					$value = esc_html( get_user_meta( $user->ID, '_wpinv_' . $column, true ) );
-				}
+                if ( empty( $value ) ) {
+                    $value = esc_html( get_user_meta( $user->ID, '_wpinv_' . $column, true ) );
+                }
 
-				$row[] = $value;
+                $row[] = $value;
 
-			}
+            }
 
-			fputcsv( $output, $row );
-		}
+            fputcsv( $output, $row );
+        }
 
-		fclose( $output );
-		exit;
+        fclose( $output );
+        exit;
 
-	}
+    }
 
-	/**
+    /**
      * Installs a plugin.
-	 *
-	 * @param array $data
+     *
+     * @param array $data
      */
     public function admin_install_plugin( $data ) {
 
-		if ( ! empty( $data['plugins'] ) ) {
-			include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
-			wp_cache_flush();
+        if ( ! empty( $data['plugins'] ) ) {
+            include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+            wp_cache_flush();
 
-			foreach ( $data['plugins'] as $slug => $file ) {
-				$plugin_zip = esc_url( 'https://downloads.wordpress.org/plugin/' . $slug . '.latest-stable.zip' );
-				$upgrader   = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
-				$installed  = $upgrader->install( $plugin_zip );
+            foreach ( $data['plugins'] as $slug => $file ) {
+                $plugin_zip = esc_url( 'https://downloads.wordpress.org/plugin/' . $slug . '.latest-stable.zip' );
+                $upgrader   = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
+                $installed  = $upgrader->install( $plugin_zip );
 
-				if ( ! is_wp_error( $installed ) && $installed ) {
-					activate_plugin( $file, '', false, true );
-				} else {
-					wpinv_error_log( $upgrader->skin->get_upgrade_messages(), false );
-				}
+                if ( ! is_wp_error( $installed ) && $installed ) {
+                    activate_plugin( $file, '', false, true );
+                } else {
+                    wpinv_error_log( $upgrader->skin->get_upgrade_messages(), false );
+                }
 
-			}
+            }
 
-		}
+        }
 
-		$redirect = isset( $data['redirect'] ) ? esc_url_raw( $data['redirect'] ) : admin_url( 'plugins.php' );
-		wp_safe_redirect( $redirect );
-		exit;
+        $redirect = isset( $data['redirect'] ) ? esc_url_raw( $data['redirect'] ) : admin_url( 'plugins.php' );
+        wp_safe_redirect( $redirect );
+        exit;
 
-	}
+    }
 
-	/**
+    /**
      * Connects a gateway.
-	 *
-	 * @param array $data
+     *
+     * @param array $data
      */
     public function admin_connect_gateway( $data ) {
 
-		if ( ! empty( $data['plugin'] ) ) {
+        if ( ! empty( $data['plugin'] ) ) {
 
-			$gateway     = sanitize_key( $data['plugin'] );
-			$connect_url = apply_filters( "getpaid_get_{$gateway}_connect_url", false, $data );
+            $gateway     = sanitize_key( $data['plugin'] );
+            $connect_url = apply_filters( "getpaid_get_{$gateway}_connect_url", false, $data );
 
-			if ( ! empty( $connect_url ) ) {
-				wp_redirect( $connect_url );
-				exit;
-			}
+            if ( ! empty( $connect_url ) ) {
+                wp_redirect( $connect_url );
+                exit;
+            }
 
-			if ( 'stripe' == $data['plugin'] ) {
-				require_once ABSPATH . 'wp-admin/includes/plugin.php';
-				include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
-				wp_cache_flush();
+            if ( 'stripe' == $data['plugin'] ) {
+                require_once ABSPATH . 'wp-admin/includes/plugin.php';
+                include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
+                wp_cache_flush();
 
-				if ( ! array_key_exists( 'getpaid-stripe-payments/getpaid-stripe-payments.php', get_plugins() ) ) {
-					$plugin_zip = esc_url( 'https://downloads.wordpress.org/plugin/getpaid-stripe-payments.latest-stable.zip' );
-					$upgrader   = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
-					$upgrader->install( $plugin_zip );
-				}
+                if ( ! array_key_exists( 'getpaid-stripe-payments/getpaid-stripe-payments.php', get_plugins() ) ) {
+                    $plugin_zip = esc_url( 'https://downloads.wordpress.org/plugin/getpaid-stripe-payments.latest-stable.zip' );
+                    $upgrader   = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
+                    $upgrader->install( $plugin_zip );
+                }
 
-				activate_plugin( 'getpaid-stripe-payments/getpaid-stripe-payments.php', '', false, true );
-			}
+                activate_plugin( 'getpaid-stripe-payments/getpaid-stripe-payments.php', '', false, true );
+            }
 
-			$connect_url = apply_filters( "getpaid_get_{$gateway}_connect_url", false, $data );
-			if ( ! empty( $connect_url ) ) {
-				wp_redirect( $connect_url );
-				exit;
-			}
+            $connect_url = apply_filters( "getpaid_get_{$gateway}_connect_url", false, $data );
+            if ( ! empty( $connect_url ) ) {
+                wp_redirect( $connect_url );
+                exit;
+            }
 
-		}
+        }
 
-		$redirect = isset( $data['redirect'] ) ? esc_url_raw( urldecode( $data['redirect'] ) ) : admin_url( 'admin.php?page=wpinv-settings&tab=gateways' );
-		wp_safe_redirect( $redirect );
-		exit;
+        $redirect = isset( $data['redirect'] ) ? esc_url_raw( urldecode( $data['redirect'] ) ) : admin_url( 'admin.php?page=wpinv-settings&tab=gateways' );
+        wp_safe_redirect( $redirect );
+        exit;
 
-	}
+    }
 
-	/**
+    /**
      * Recalculates discounts.
-	 * 
+     * 
      */
     public function admin_recalculate_discounts() {
-		global $wpdb;
+        global $wpdb;
 
-		// Fetch all invoices that have discount codes.
-		$table    = $wpdb->prefix . 'getpaid_invoices';
-		$invoices = $wpdb->get_col( "SELECT `post_id` FROM `$table` WHERE `discount` = 0 && `discount_code` <> ''" );
+        // Fetch all invoices that have discount codes.
+        $table    = $wpdb->prefix . 'getpaid_invoices';
+        $invoices = $wpdb->get_col( "SELECT `post_id` FROM `$table` WHERE `discount` = 0 && `discount_code` <> ''" );
 
-		foreach ( $invoices as $invoice ) {
+        foreach ( $invoices as $invoice ) {
 
-			$invoice = new WPInv_Invoice( $invoice );
+            $invoice = new WPInv_Invoice( $invoice );
 
-			if ( ! $invoice->exists() ) {
-				continue;
-			}
+            if ( ! $invoice->exists() ) {
+                continue;
+            }
 
-			// Abort if the discount does not exist or does not apply here.
-			$discount = new WPInv_Discount( $invoice->get_discount_code() );
-			if ( ! $discount->exists() ) {
-				continue;
-			}
+            // Abort if the discount does not exist or does not apply here.
+            $discount = new WPInv_Discount( $invoice->get_discount_code() );
+            if ( ! $discount->exists() ) {
+                continue;
+            }
 
-			$invoice->add_discount( getpaid_calculate_invoice_discount( $invoice, $discount ) );
-			$invoice->recalculate_total();
+            $invoice->add_discount( getpaid_calculate_invoice_discount( $invoice, $discount ) );
+            $invoice->recalculate_total();
 
-			if ( $invoice->get_total_discount() > 0 ) {
-				$invoice->save();
-			}
+            if ( $invoice->get_total_discount() > 0 ) {
+                $invoice->save();
+            }
 
-		}
+        }
 
-		// Show an admin message.
-		$this->show_success( __( 'Discounts have been recalculated.', 'invoicing' ) );
+        // Show an admin message.
+        $this->show_success( __( 'Discounts have been recalculated.', 'invoicing' ) );
 
-		// Redirect the admin.
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
-		exit;
+        // Redirect the admin.
+        wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+        exit;
 
-	}
+    }
 
     /**
-	 * Returns an array of admin notices.
-	 *
-	 * @since       1.0.19
+     * Returns an array of admin notices.
+     *
+     * @since       1.0.19
      * @return array
-	 */
-	public function get_notices() {
-		$notices = get_option( 'wpinv_admin_notices' );
+     */
+    public function get_notices() {
+        $notices = get_option( 'wpinv_admin_notices' );
         return is_array( $notices ) ? $notices : array();
-	}
+    }
 
-	/**
-	 * Checks if we have any admin notices.
-	 *
-	 * @since       2.0.4
+    /**
+     * Checks if we have any admin notices.
+     *
+     * @since       2.0.4
      * @return array
-	 */
-	public function has_notices() {
-		return count( $this->get_notices() ) > 0;
-	}
-
-	/**
-	 * Clears all admin notices
-	 *
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function clear_notices() {
-		delete_option( 'wpinv_admin_notices' );
-	}
-
-	/**
-	 * Saves a new admin notice
-	 *
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function save_notice( $type, $message ) {
-		$notices = $this->get_notices();
-
-		if ( empty( $notices[ $type ] ) || ! is_array( $notices[ $type ]) ) {
-			$notices[ $type ] = array();
-		}
-
-		$notices[ $type ][] = $message;
-
-		update_option( 'wpinv_admin_notices', $notices );
-	}
-
-	/**
-	 * Displays a success notice
-	 *
-	 * @param       string $msg The message to qeue.
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function show_success( $msg ) {
-		$this->save_notice( 'success', $msg );
-	}
-
-	/**
-	 * Displays a error notice
-	 *
-	 * @access      public
-	 * @param       string $msg The message to qeue.
-	 * @since       1.0.19
-	 */
-	public function show_error( $msg ) {
-		$this->save_notice( 'error', $msg );
-	}
-
-	/**
-	 * Displays a warning notice
-	 *
-	 * @access      public
-	 * @param       string $msg The message to qeue.
-	 * @since       1.0.19
-	 */
-	public function show_warning( $msg ) {
-		$this->save_notice( 'warning', $msg );
-	}
-
-	/**
-	 * Displays a info notice
-	 *
-	 * @access      public
-	 * @param       string $msg The message to qeue.
-	 * @since       1.0.19
-	 */
-	public function show_info( $msg ) {
-		$this->save_notice( 'info', $msg );
-	}
-
-	/**
-	 * Show notices
-	 *
-	 * @access      public
-	 * @since       1.0.19
-	 */
-	public function show_notices() {
+     */
+    public function has_notices() {
+        return count( $this->get_notices() ) > 0;
+    }
+
+    /**
+     * Clears all admin notices
+     *
+     * @access      public
+     * @since       1.0.19
+     */
+    public function clear_notices() {
+        delete_option( 'wpinv_admin_notices' );
+    }
+
+    /**
+     * Saves a new admin notice
+     *
+     * @access      public
+     * @since       1.0.19
+     */
+    public function save_notice( $type, $message ) {
+        $notices = $this->get_notices();
+
+        if ( empty( $notices[ $type ] ) || ! is_array( $notices[ $type ]) ) {
+            $notices[ $type ] = array();
+        }
+
+        $notices[ $type ][] = $message;
+
+        update_option( 'wpinv_admin_notices', $notices );
+    }
+
+    /**
+     * Displays a success notice
+     *
+     * @param       string $msg The message to qeue.
+     * @access      public
+     * @since       1.0.19
+     */
+    public function show_success( $msg ) {
+        $this->save_notice( 'success', $msg );
+    }
+
+    /**
+     * Displays a error notice
+     *
+     * @access      public
+     * @param       string $msg The message to qeue.
+     * @since       1.0.19
+     */
+    public function show_error( $msg ) {
+        $this->save_notice( 'error', $msg );
+    }
+
+    /**
+     * Displays a warning notice
+     *
+     * @access      public
+     * @param       string $msg The message to qeue.
+     * @since       1.0.19
+     */
+    public function show_warning( $msg ) {
+        $this->save_notice( 'warning', $msg );
+    }
+
+    /**
+     * Displays a info notice
+     *
+     * @access      public
+     * @param       string $msg The message to qeue.
+     * @since       1.0.19
+     */
+    public function show_info( $msg ) {
+        $this->save_notice( 'info', $msg );
+    }
+
+    /**
+     * Show notices
+     *
+     * @access      public
+     * @since       1.0.19
+     */
+    public function show_notices() {
 
         $notices = $this->get_notices();
         $this->clear_notices();
 
-		foreach ( $notices as $type => $messages ) {
+        foreach ( $notices as $type => $messages ) {
 
-			if ( ! is_array( $messages ) ) {
-				continue;
-			}
+            if ( ! is_array( $messages ) ) {
+                continue;
+            }
 
             $type  = sanitize_key( $type );
-			foreach ( $messages as $message ) {
+            foreach ( $messages as $message ) {
                 $message = wp_kses_post( $message );
-				echo "<div class='notice notice-$type is-dismissible'><p>$message</p></div>";
+                echo "<div class='notice notice-$type is-dismissible'><p>$message</p></div>";
             }
 
         }
 
-		foreach ( array( 'checkout_page', 'invoice_history_page', 'success_page', 'failure_page', 'invoice_subscription_page' ) as $page ) {
-
-			if ( ! is_numeric( wpinv_get_option( $page, false ) ) ) {
-				$url     = wp_nonce_url(
-					add_query_arg( 'getpaid-admin-action', 'create_missing_pages' ),
-					'getpaid-nonce',
-					'getpaid-nonce'
-				);
-				$message  = __( 'Some GetPaid pages are missing. To use GetPaid without any issues, click the button below to generate the missing pages.', 'invoicing' );
-				$message2 = __( 'Generate Pages', 'invoicing' );
-				echo "<div class='notice notice-warning is-dismissible'><p>$message<br><br><a href='$url' class='button button-primary'>$message2</a></p></div>";
-				break;
-			}
+        foreach ( array( 'checkout_page', 'invoice_history_page', 'success_page', 'failure_page', 'invoice_subscription_page' ) as $page ) {
+
+            if ( ! is_numeric( wpinv_get_option( $page, false ) ) ) {
+                $url     = wp_nonce_url(
+                    add_query_arg( 'getpaid-admin-action', 'create_missing_pages' ),
+                    'getpaid-nonce',
+                    'getpaid-nonce'
+                );
+                $message  = __( 'Some GetPaid pages are missing. To use GetPaid without any issues, click the button below to generate the missing pages.', 'invoicing' );
+                $message2 = __( 'Generate Pages', 'invoicing' );
+                echo "<div class='notice notice-warning is-dismissible'><p>$message<br><br><a href='$url' class='button button-primary'>$message2</a></p></div>";
+                break;
+            }
 
-		}
+        }
 
-	}
+    }
 
 }

Spacing +277 added lines, -277 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * The main admin class.
@@ -37,13 +37,13 @@ 
     /**
 	 * Class constructor.
 	 */
-	public function __construct(){
+	public function __construct() {
 
-        $this->admin_path  = plugin_dir_path( __FILE__ );
-		$this->admin_url   = plugins_url( '/', __FILE__ );
+        $this->admin_path = plugin_dir_path(__FILE__);
+		$this->admin_url   = plugins_url('/', __FILE__);
 		$this->reports     = new GetPaid_Reports();
 
-        if ( is_admin() ) {
+        if (is_admin()) {
 			$this->init_admin_hooks();
         }
 
@@ -54,33 +54,33 @@ 
 	 *
 	 */
 	private function init_admin_hooks() {
-        add_action( 'admin_enqueue_scripts', array( $this, 'enqeue_scripts' ), 9 );
-        add_filter( 'admin_body_class', array( $this, 'admin_body_class' ) );
-        add_action( 'admin_init', array( $this, 'init_ayecode_connect_helper' ) );
-        add_action( 'admin_init', array( $this, 'activation_redirect') );
-        add_action( 'admin_init', array( $this, 'maybe_do_admin_action') );
-		add_action( 'admin_notices', array( $this, 'show_notices' ) );
-		add_action( 'getpaid_authenticated_admin_action_rate_plugin', array( $this, 'redirect_to_wordpress_rating_page' ) );
-		add_action( 'getpaid_authenticated_admin_action_duplicate_form', array( $this, 'duplicate_payment_form' ) );
-		add_action( 'getpaid_authenticated_admin_action_duplicate_invoice', array( $this, 'duplicate_invoice' ) );
-		add_action( 'getpaid_authenticated_admin_action_send_invoice', array( $this, 'send_customer_invoice' ) );
-		add_action( 'getpaid_authenticated_admin_action_send_invoice_reminder', array( $this, 'send_customer_payment_reminder' ) );
-        add_action( 'getpaid_authenticated_admin_action_reset_tax_rates', array( $this, 'admin_reset_tax_rates' ) );
-		add_action( 'getpaid_authenticated_admin_action_create_missing_pages', array( $this, 'admin_create_missing_pages' ) );
-		add_action( 'getpaid_authenticated_admin_action_create_missing_tables', array( $this, 'admin_create_missing_tables' ) );
-		add_action( 'getpaid_authenticated_admin_action_migrate_old_invoices', array( $this, 'admin_migrate_old_invoices' ) );
-		add_action( 'getpaid_authenticated_admin_action_download_customers', array( $this, 'admin_download_customers' ) );
-		add_action( 'getpaid_authenticated_admin_action_recalculate_discounts', array( $this, 'admin_recalculate_discounts' ) );
-		add_action( 'getpaid_authenticated_admin_action_install_plugin', array( $this, 'admin_install_plugin' ) );
-		add_action( 'getpaid_authenticated_admin_action_connect_gateway', array( $this, 'admin_connect_gateway' ) );
-		add_filter( 'admin_footer_text', array( $this, 'admin_footer_text' ) );
-		do_action( 'getpaid_init_admin_hooks', $this );
+        add_action('admin_enqueue_scripts', array($this, 'enqeue_scripts'), 9);
+        add_filter('admin_body_class', array($this, 'admin_body_class'));
+        add_action('admin_init', array($this, 'init_ayecode_connect_helper'));
+        add_action('admin_init', array($this, 'activation_redirect'));
+        add_action('admin_init', array($this, 'maybe_do_admin_action'));
+		add_action('admin_notices', array($this, 'show_notices'));
+		add_action('getpaid_authenticated_admin_action_rate_plugin', array($this, 'redirect_to_wordpress_rating_page'));
+		add_action('getpaid_authenticated_admin_action_duplicate_form', array($this, 'duplicate_payment_form'));
+		add_action('getpaid_authenticated_admin_action_duplicate_invoice', array($this, 'duplicate_invoice'));
+		add_action('getpaid_authenticated_admin_action_send_invoice', array($this, 'send_customer_invoice'));
+		add_action('getpaid_authenticated_admin_action_send_invoice_reminder', array($this, 'send_customer_payment_reminder'));
+        add_action('getpaid_authenticated_admin_action_reset_tax_rates', array($this, 'admin_reset_tax_rates'));
+		add_action('getpaid_authenticated_admin_action_create_missing_pages', array($this, 'admin_create_missing_pages'));
+		add_action('getpaid_authenticated_admin_action_create_missing_tables', array($this, 'admin_create_missing_tables'));
+		add_action('getpaid_authenticated_admin_action_migrate_old_invoices', array($this, 'admin_migrate_old_invoices'));
+		add_action('getpaid_authenticated_admin_action_download_customers', array($this, 'admin_download_customers'));
+		add_action('getpaid_authenticated_admin_action_recalculate_discounts', array($this, 'admin_recalculate_discounts'));
+		add_action('getpaid_authenticated_admin_action_install_plugin', array($this, 'admin_install_plugin'));
+		add_action('getpaid_authenticated_admin_action_connect_gateway', array($this, 'admin_connect_gateway'));
+		add_filter('admin_footer_text', array($this, 'admin_footer_text'));
+		do_action('getpaid_init_admin_hooks', $this);
 
 		// Setup/welcome
-		if ( ! empty( $_GET['page'] ) ) {
-			switch ( $_GET['page'] ) {
+		if (!empty($_GET['page'])) {
+			switch ($_GET['page']) {
 				case 'gp-setup' :
-					include_once( dirname( __FILE__ ) . '/class-getpaid-admin-setup-wizard.php' );
+					include_once(dirname(__FILE__) . '/class-getpaid-admin-setup-wizard.php');
 					break;
 			}
 		}
@@ -94,37 +94,37 @@ 
 	public function enqeue_scripts() {
         global $current_screen, $pagenow;
 
-		$page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
+		$page    = isset($_GET['page']) ? $_GET['page'] : '';
 		$editing = $pagenow == 'post.php' || $pagenow == 'post-new.php';
 
-        if ( ! empty( $current_screen->post_type ) ) {
+        if (!empty($current_screen->post_type)) {
 			$page = $current_screen->post_type;
         }
 
         // General styles.
-        if ( false !== stripos( $page, 'wpi' ) || false !== stripos( $page, 'getpaid' ) || 'gp-setup' == $page || 'geodir-tickets' == $page ) {
+        if (false !== stripos($page, 'wpi') || false !== stripos($page, 'getpaid') || 'gp-setup' == $page || 'geodir-tickets' == $page) {
 
             // Styles.
-            $version = filemtime( WPINV_PLUGIN_DIR . 'assets/css/admin.css' );
-            wp_enqueue_style( 'wpinv_admin_style', WPINV_PLUGIN_URL . 'assets/css/admin.css', array( 'wp-color-picker' ), $version );
-            wp_enqueue_style( 'select2', WPINV_PLUGIN_URL . 'assets/css/select2/select2.min.css', array(), '4.0.13', 'all' );
+            $version = filemtime(WPINV_PLUGIN_DIR . 'assets/css/admin.css');
+            wp_enqueue_style('wpinv_admin_style', WPINV_PLUGIN_URL . 'assets/css/admin.css', array('wp-color-picker'), $version);
+            wp_enqueue_style('select2', WPINV_PLUGIN_URL . 'assets/css/select2/select2.min.css', array(), '4.0.13', 'all');
 
             // Scripts.
-            wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full.min.js', array( 'jquery' ), WPINV_VERSION );
+            wp_enqueue_script('select2', WPINV_PLUGIN_URL . 'assets/js/select2/select2.full.min.js', array('jquery'), WPINV_VERSION);
 
-            $version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin.js' );
-            wp_enqueue_script( 'wpinv-admin-script', WPINV_PLUGIN_URL . 'assets/js/admin.js', array( 'jquery', 'wp-color-picker', 'jquery-ui-tooltip' ),  $version );
-            wp_localize_script( 'wpinv-admin-script', 'WPInv_Admin', apply_filters( 'wpinv_admin_js_localize', $this->get_admin_i18() ) );
+            $version = filemtime(WPINV_PLUGIN_DIR . 'assets/js/admin.js');
+            wp_enqueue_script('wpinv-admin-script', WPINV_PLUGIN_URL . 'assets/js/admin.js', array('jquery', 'wp-color-picker', 'jquery-ui-tooltip'), $version);
+            wp_localize_script('wpinv-admin-script', 'WPInv_Admin', apply_filters('wpinv_admin_js_localize', $this->get_admin_i18()));
 
         }
 
         // Payment form scripts.
-		if ( 'wpi_payment_form' == $page && $editing ) {
+		if ('wpi_payment_form' == $page && $editing) {
             $this->load_payment_form_scripts();
         }
 
-		if ( $page == 'wpinv-subscriptions' ) {
-			wp_enqueue_script( 'postbox' );
+		if ($page == 'wpinv-subscriptions') {
+			wp_enqueue_script('postbox');
 		}
 
     }
@@ -137,32 +137,32 @@ 
         global $post;
 
 		$date_range = array(
-			'period' => isset( $_GET['date_range'] ) ? sanitize_text_field( $_GET['date_range'] ) : '7_days'
+			'period' => isset($_GET['date_range']) ? sanitize_text_field($_GET['date_range']) : '7_days'
 		);
 
-		if ( $date_range['period'] == 'custom' ) {
+		if ($date_range['period'] == 'custom') {
 			
-			if ( isset( $_GET['from'] ) ) {
-				$date_range[ 'after' ] = date( 'Y-m-d', strtotime( sanitize_text_field( $_GET['from'] ), current_time( 'timestamp' ) ) - DAY_IN_SECONDS );
+			if (isset($_GET['from'])) {
+				$date_range['after'] = date('Y-m-d', strtotime(sanitize_text_field($_GET['from']), current_time('timestamp')) - DAY_IN_SECONDS);
 			}
 
-			if ( isset( $_GET['to'] ) ) {
-				$date_range[ 'before' ] = date( 'Y-m-d', strtotime( sanitize_text_field( $_GET['to'] ), current_time( 'timestamp' ) ) + DAY_IN_SECONDS );
+			if (isset($_GET['to'])) {
+				$date_range['before'] = date('Y-m-d', strtotime(sanitize_text_field($_GET['to']), current_time('timestamp')) + DAY_IN_SECONDS);
 			}
 
 		}
 
         $i18n = array(
-            'ajax_url'                  => admin_url( 'admin-ajax.php' ),
-            'post_ID'                   => isset( $post->ID ) ? $post->ID : '',
-			'wpinv_nonce'               => wp_create_nonce( 'wpinv-nonce' ),
-			'rest_nonce'                => wp_create_nonce( 'wp_rest' ),
-			'rest_root'                 => esc_url_raw( rest_url() ),
+            'ajax_url'                  => admin_url('admin-ajax.php'),
+            'post_ID'                   => isset($post->ID) ? $post->ID : '',
+			'wpinv_nonce'               => wp_create_nonce('wpinv-nonce'),
+			'rest_nonce'                => wp_create_nonce('wp_rest'),
+			'rest_root'                 => esc_url_raw(rest_url()),
 			'date_range'                => $date_range,
-            'add_invoice_note_nonce'    => wp_create_nonce( 'add-invoice-note' ),
-            'delete_invoice_note_nonce' => wp_create_nonce( 'delete-invoice-note' ),
-            'invoice_item_nonce'        => wp_create_nonce( 'invoice-item' ),
-            'billing_details_nonce'     => wp_create_nonce( 'get-billing-details' ),
+            'add_invoice_note_nonce'    => wp_create_nonce('add-invoice-note'),
+            'delete_invoice_note_nonce' => wp_create_nonce('delete-invoice-note'),
+            'invoice_item_nonce'        => wp_create_nonce('invoice-item'),
+            'billing_details_nonce'     => wp_create_nonce('get-billing-details'),
             'tax'                       => wpinv_tax_amount(),
             'discount'                  => 0,
 			'currency_symbol'           => wpinv_currency_symbol(),
@@ -171,38 +171,38 @@ 
             'thousand_sep'              => wpinv_thousands_separator(),
             'decimal_sep'               => wpinv_decimal_separator(),
             'decimals'                  => wpinv_decimals(),
-            'save_invoice'              => __( 'Save Invoice', 'invoicing' ),
-            'status_publish'            => wpinv_status_nicename( 'publish' ),
-            'status_pending'            => wpinv_status_nicename( 'wpi-pending' ),
-            'delete_tax_rate'           => __( 'Are you sure you wish to delete this tax rate?', 'invoicing' ),
-            'status_pending'            => wpinv_status_nicename( 'wpi-pending' ),
-            'FillBillingDetails'        => __( 'Fill the user\'s billing information? This will remove any currently entered billing information', 'invoicing' ),
-            'confirmCalcTotals'         => __( 'Recalculate totals? This will recalculate totals based on the user billing country. If no billing country is set it will use the base country.', 'invoicing' ),
-            'AreYouSure'                => __( 'Are you sure?', 'invoicing' ),
-            'errDeleteItem'             => __( 'This item is in use! Before delete this item, you need to delete all the invoice(s) using this item.', 'invoicing' ),
-            'delete_subscription'       => __( 'Are you sure you want to delete this subscription?', 'invoicing' ),
-            'action_edit'               => __( 'Edit', 'invoicing' ),
-            'action_cancel'             => __( 'Cancel', 'invoicing' ),
-            'item_description'          => __( 'Item Description', 'invoicing' ),
-            'invoice_description'       => __( 'Invoice Description', 'invoicing' ),
-            'discount_description'      => __( 'Discount Description', 'invoicing' ),
-			'searching'                 => __( 'Searching', 'invoicing' ),
-			'loading'                   => __( 'Loading...', 'invoicing' ),
-			'search_customers'          => __( 'Enter customer name or email', 'invoicing' ),
-			'search_items'              => __( 'Enter item name', 'invoicing' ),
+            'save_invoice'              => __('Save Invoice', 'invoicing'),
+            'status_publish'            => wpinv_status_nicename('publish'),
+            'status_pending'            => wpinv_status_nicename('wpi-pending'),
+            'delete_tax_rate'           => __('Are you sure you wish to delete this tax rate?', 'invoicing'),
+            'status_pending'            => wpinv_status_nicename('wpi-pending'),
+            'FillBillingDetails'        => __('Fill the user\'s billing information? This will remove any currently entered billing information', 'invoicing'),
+            'confirmCalcTotals'         => __('Recalculate totals? This will recalculate totals based on the user billing country. If no billing country is set it will use the base country.', 'invoicing'),
+            'AreYouSure'                => __('Are you sure?', 'invoicing'),
+            'errDeleteItem'             => __('This item is in use! Before delete this item, you need to delete all the invoice(s) using this item.', 'invoicing'),
+            'delete_subscription'       => __('Are you sure you want to delete this subscription?', 'invoicing'),
+            'action_edit'               => __('Edit', 'invoicing'),
+            'action_cancel'             => __('Cancel', 'invoicing'),
+            'item_description'          => __('Item Description', 'invoicing'),
+            'invoice_description'       => __('Invoice Description', 'invoicing'),
+            'discount_description'      => __('Discount Description', 'invoicing'),
+			'searching'                 => __('Searching', 'invoicing'),
+			'loading'                   => __('Loading...', 'invoicing'),
+			'search_customers'          => __('Enter customer name or email', 'invoicing'),
+			'search_items'              => __('Enter item name', 'invoicing'),
         );
 
-		if ( ! empty( $post ) && getpaid_is_invoice_post_type( $post->post_type ) ) {
+		if (!empty($post) && getpaid_is_invoice_post_type($post->post_type)) {
 
-			$invoice              = new WPInv_Invoice( $post );
+			$invoice              = new WPInv_Invoice($post);
 			$i18n['save_invoice'] = sprintf(
-				__( 'Save %s', 'invoicing' ),
-				ucfirst( $invoice->get_invoice_quote_type() )
+				__('Save %s', 'invoicing'),
+				ucfirst($invoice->get_invoice_quote_type())
 			);
 
 			$i18n['invoice_description'] = sprintf(
-				__( '%s Description', 'invoicing' ),
-				ucfirst( $invoice->get_invoice_quote_type() )
+				__('%s Description', 'invoicing'),
+				ucfirst($invoice->get_invoice_quote_type())
 			);
 
 		}
@@ -216,24 +216,24 @@ 
 	 * @param  string $footer_text
 	 * @return string
 	 */
-	public function admin_footer_text( $footer_text ) {
+	public function admin_footer_text($footer_text) {
 		global $current_screen;
 
-		$page    = isset( $_GET['page'] ) ? $_GET['page'] : '';
+		$page = isset($_GET['page']) ? $_GET['page'] : '';
 
-        if ( ! empty( $current_screen->post_type ) ) {
+        if (!empty($current_screen->post_type)) {
 			$page = $current_screen->post_type;
         }
 
         // General styles.
-        if ( apply_filters( 'getpaid_display_admin_footer_text', wpinv_current_user_can_manage_invoicing() ) && false !== stripos( $page, 'wpi' ) ) {
+        if (apply_filters('getpaid_display_admin_footer_text', wpinv_current_user_can_manage_invoicing()) && false !== stripos($page, 'wpi')) {
 
 			// Change the footer text
-			if ( ! get_user_meta( get_current_user_id(), 'getpaid_admin_footer_text_rated', true ) ) {
+			if (!get_user_meta(get_current_user_id(), 'getpaid_admin_footer_text_rated', true)) {
 
-				$rating_url  = esc_url(
+				$rating_url = esc_url(
 					wp_nonce_url(
-						admin_url( 'admin.php?page=wpinv-reports&getpaid-admin-action=rate_plugin' ),
+						admin_url('admin.php?page=wpinv-reports&getpaid-admin-action=rate_plugin'),
 						'getpaid-nonce',
 						'getpaid-nonce'
 						)
@@ -241,7 +241,7 @@ 
 
 				$footer_text = sprintf(
 					/* translators: %s: five stars */
-					__( 'If you like <strong>GetPaid</strong>, please leave us a %s rating. A huge thanks in advance!', 'invoicing' ),
+					__('If you like <strong>GetPaid</strong>, please leave us a %s rating. A huge thanks in advance!', 'invoicing'),
 					"<a href='$rating_url'>&#9733;&#9733;&#9733;&#9733;&#9733;</a>"
 				);
 
@@ -249,7 +249,7 @@ 
 
 				$footer_text = sprintf(
 					/* translators: %s: GetPaid */
-					__( 'Thank you for using %s!', 'invoicing' ),
+					__('Thank you for using %s!', 'invoicing'),
 					"<a href='https://wpgetpaid.com/' target='_blank'><strong>GetPaid</strong></a>"
 				);
 
@@ -266,8 +266,8 @@ 
 	 * @since  2.0.0
 	 */
 	public function redirect_to_wordpress_rating_page() {
-		update_user_meta( get_current_user_id(), 'getpaid_admin_footer_text_rated', 1 );
-		wp_redirect( 'https://wordpress.org/support/plugin/invoicing/reviews?rate=5#new-post' );
+		update_user_meta(get_current_user_id(), 'getpaid_admin_footer_text_rated', 1);
+		wp_redirect('https://wordpress.org/support/plugin/invoicing/reviews?rate=5#new-post');
 		exit;
 	}
 
@@ -278,30 +278,30 @@ 
 	protected function load_payment_form_scripts() {
         global $post;
 
-        wp_enqueue_script( 'vue', WPINV_PLUGIN_URL . 'assets/js/vue/vue.min.js', array(), WPINV_VERSION );
-		wp_enqueue_script( 'sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION );
-		wp_enqueue_script( 'vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array( 'sortable', 'vue' ), WPINV_VERSION );
+        wp_enqueue_script('vue', WPINV_PLUGIN_URL . 'assets/js/vue/vue.min.js', array(), WPINV_VERSION);
+		wp_enqueue_script('sortable', WPINV_PLUGIN_URL . 'assets/js/sortable.min.js', array(), WPINV_VERSION);
+		wp_enqueue_script('vue_draggable', WPINV_PLUGIN_URL . 'assets/js/vue/vuedraggable.min.js', array('sortable', 'vue'), WPINV_VERSION);
 
-		$version = filemtime( WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js' );
-		wp_register_script( 'wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array( 'wpinv-admin-script', 'vue_draggable', 'wp-hooks' ),  $version );
+		$version = filemtime(WPINV_PLUGIN_DIR . 'assets/js/admin-payment-forms.js');
+		wp_register_script('wpinv-admin-payment-form-script', WPINV_PLUGIN_URL . 'assets/js/admin-payment-forms.js', array('wpinv-admin-script', 'vue_draggable', 'wp-hooks'), $version);
 
 		wp_localize_script(
             'wpinv-admin-payment-form-script',
             'wpinvPaymentFormAdmin',
             array(
-				'elements'      => wpinv_get_data( 'payment-form-elements' ),
-				'form_elements' => getpaid_get_payment_form_elements( $post->ID ),
+				'elements'      => wpinv_get_data('payment-form-elements'),
+				'form_elements' => getpaid_get_payment_form_elements($post->ID),
 				'currency'      => wpinv_currency_symbol(),
 				'position'      => wpinv_currency_position(),
 				'decimals'      => (int) wpinv_decimals(),
 				'thousands_sep' => wpinv_thousands_separator(),
 				'decimals_sep'  => wpinv_decimal_separator(),
-				'form_items'    => gepaid_get_form_items( $post->ID ),
+				'form_items'    => gepaid_get_form_items($post->ID),
 				'is_default'    => $post->ID == wpinv_get_default_payment_form(),
             )
         );
 
-        wp_enqueue_script( 'wpinv-admin-payment-form-script' );
+        wp_enqueue_script('wpinv-admin-payment-form-script');
 
     }
 
@@ -312,25 +312,25 @@ 
      * @return string
 	 *
 	 */
-    public function admin_body_class( $classes ) {
+    public function admin_body_class($classes) {
 		global $pagenow, $post, $current_screen;
 
 
-        $page = isset( $_GET['page'] ) ? $_GET['page'] : '';
+        $page = isset($_GET['page']) ? $_GET['page'] : '';
 
-        if ( ! empty( $current_screen->post_type ) ) {
+        if (!empty($current_screen->post_type)) {
 			$page = $current_screen->post_type;
         }
 
-        if ( false !== stripos( $page, 'wpi' ) ) {
-            $classes .= ' wpi-' . sanitize_key( $page );
+        if (false !== stripos($page, 'wpi')) {
+            $classes .= ' wpi-' . sanitize_key($page);
         }
 
-        if ( in_array( $page, wpinv_parse_list( 'wpi_invoice wpi_payment_form wpi_quote' ) ) ) {
+        if (in_array($page, wpinv_parse_list('wpi_invoice wpi_payment_form wpi_quote'))) {
             $classes .= ' wpinv-cpt wpinv';
 		}
 		
-		if ( getpaid_is_invoice_post_type( $page ) ) {
+		if (getpaid_is_invoice_post_type($page)) {
             $classes .= ' getpaid-is-invoice-cpt';
         }
 
@@ -340,7 +340,7 @@ 
     /**
 	 * Maybe show the AyeCode Connect Notice.
 	 */
-	public function init_ayecode_connect_helper(){
+	public function init_ayecode_connect_helper() {
 
 		// Register with the deactivation survey class.
 		AyeCode_Deactivation_Survey::instance(array(
@@ -348,20 +348,20 @@ 
 			'version'	        => WPINV_VERSION,
 			'support_url'       => 'https://wpgetpaid.com/support/',
 			'documentation_url' => 'https://docs.wpgetpaid.com/',
-			'activated'         => (int) get_option( 'gepaid_installed_on' ),
+			'activated'         => (int) get_option('gepaid_installed_on'),
 		));
 
         new AyeCode_Connect_Helper(
             array(
-				'connect_title' => __("WP Invoicing - an AyeCode product!","invoicing"),
-				'connect_external'  => __( "Please confirm you wish to connect your site?","invoicing" ),
-				'connect'           => sprintf( __( "<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s","invoicing" ),"<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>","</a>" ),
-				'connect_button'    => __("Connect Site","invoicing"),
-				'connecting_button'    => __("Connecting...","invoicing"),
-				'error_localhost'   => __( "This service will only work with a live domain, not a localhost.","invoicing" ),
-				'error'             => __( "Something went wrong, please refresh and try again.","invoicing" ),
+				'connect_title' => __("WP Invoicing - an AyeCode product!", "invoicing"),
+				'connect_external'  => __("Please confirm you wish to connect your site?", "invoicing"),
+				'connect'           => sprintf(__("<strong>Have a license?</strong> Forget about entering license keys or downloading zip files, connect your site for instant access. %slearn more%s", "invoicing"), "<a href='https://ayecode.io/introducing-ayecode-connect/' target='_blank'>", "</a>"),
+				'connect_button'    => __("Connect Site", "invoicing"),
+				'connecting_button'    => __("Connecting...", "invoicing"),
+				'error_localhost'   => __("This service will only work with a live domain, not a localhost.", "invoicing"),
+				'error'             => __("Something went wrong, please refresh and try again.", "invoicing"),
             ),
-            array( 'wpi-addons' )
+            array('wpi-addons')
         );
 
     }
@@ -373,20 +373,20 @@ 
 	 */
 	public function activation_redirect() {
 
-		$redirected = get_option( 'wpinv_redirected_to_settings' );
+		$redirected = get_option('wpinv_redirected_to_settings');
 
-		if ( ! empty( $redirected ) || wp_doing_ajax() || ! current_user_can( 'manage_options' ) ) {
+		if (!empty($redirected) || wp_doing_ajax() || !current_user_can('manage_options')) {
 			return;
 		}
 
 		// Bail if activating from network, or bulk
-		if ( is_network_admin() || isset( $_GET['activate-multi'] ) ) {
+		if (is_network_admin() || isset($_GET['activate-multi'])) {
 			return;
 		}
 
-	    update_option( 'wpinv_redirected_to_settings', 1 );
+	    update_option('wpinv_redirected_to_settings', 1);
 
-        wp_safe_redirect( admin_url( 'index.php?page=gp-setup' ) );
+        wp_safe_redirect(admin_url('index.php?page=gp-setup'));
         exit;
 
 	}
@@ -396,9 +396,9 @@ 
      */
     public function maybe_do_admin_action() {
 
-        if ( wpinv_current_user_can_manage_invoicing() && isset( $_REQUEST['getpaid-admin-action'] ) && isset( $_REQUEST['getpaid-nonce'] ) && wp_verify_nonce( $_REQUEST['getpaid-nonce'], 'getpaid-nonce' ) ) {
-            $key = sanitize_key( $_REQUEST['getpaid-admin-action'] );
-            do_action( "getpaid_authenticated_admin_action_$key", $_REQUEST );
+        if (wpinv_current_user_can_manage_invoicing() && isset($_REQUEST['getpaid-admin-action']) && isset($_REQUEST['getpaid-nonce']) && wp_verify_nonce($_REQUEST['getpaid-nonce'], 'getpaid-nonce')) {
+            $key = sanitize_key($_REQUEST['getpaid-admin-action']);
+            do_action("getpaid_authenticated_admin_action_$key", $_REQUEST);
         }
 
     }
@@ -408,24 +408,24 @@ 
 	 * 
 	 * @param array $args
      */
-    public function duplicate_invoice( $args ) {
+    public function duplicate_invoice($args) {
 
-		if ( empty( $args['invoice_id'] ) ) {
+		if (empty($args['invoice_id'])) {
 			return;
 		}
 
-		$invoice = new WPInv_Invoice( (int) $args['invoice_id'] );
+		$invoice = new WPInv_Invoice((int) $args['invoice_id']);
 
-		if ( ! $invoice->exists() ) {
+		if (!$invoice->exists()) {
 			return;
 		}
 
-		$new_invoice = getpaid_duplicate_invoice( $invoice );
+		$new_invoice = getpaid_duplicate_invoice($invoice);
 		$new_invoice->save();
 
-		if ( $new_invoice->exists() ) {
+		if ($new_invoice->exists()) {
 
-			getpaid_admin()->show_success( __( 'Invoice duplicated successfully.', 'newsletter-optin-box' ) );
+			getpaid_admin()->show_success(__('Invoice duplicated successfully.', 'newsletter-optin-box'));
 
 			wp_safe_redirect(
 				add_query_arg(
@@ -433,14 +433,14 @@ 
 						'action' => 'edit',
 						'post' => $new_invoice->get_id(),
 					),
-					admin_url( 'post.php' )
+					admin_url('post.php')
 				)
 			);
 			exit;
 
 		}
 
-		getpaid_admin()->show_error( __( 'There was an error duplicating this invoice. Please try again.', 'newsletter-optin-box' ) );
+		getpaid_admin()->show_error(__('There was an error duplicating this invoice. Please try again.', 'newsletter-optin-box'));
 
 	}
 
@@ -449,34 +449,34 @@ 
 	 * 
 	 * @param array $args
      */
-    public function duplicate_payment_form( $args ) {
+    public function duplicate_payment_form($args) {
 
-		if ( empty( $args['form_id'] ) ) {
+		if (empty($args['form_id'])) {
 			return;
 		}
 
-		$form = new GetPaid_Payment_Form( (int) $args['form_id'] );
+		$form = new GetPaid_Payment_Form((int) $args['form_id']);
 
-		if ( ! $form->exists() ) {
+		if (!$form->exists()) {
 			return;
 		}
 
 		$new_form = new GetPaid_Payment_Form();
-		$new_form->set_author( $form->get_author( 'edit' ) );
-		$new_form->set_name( $form->get_name( 'edit' ) . __( '(copy)', 'invoicing' ) );
-		$new_form->set_elements( $form->get_elements( 'edit' ) );
-		$new_form->set_items( $form->get_items( 'edit' ) );
+		$new_form->set_author($form->get_author('edit'));
+		$new_form->set_name($form->get_name('edit') . __('(copy)', 'invoicing'));
+		$new_form->set_elements($form->get_elements('edit'));
+		$new_form->set_items($form->get_items('edit'));
 		$new_form->save();
 
-		if ( $new_form->exists() ) {
-			$this->show_success( __( 'Form duplicated successfully', 'invoicing' ) );
-			$url = get_edit_post_link( $new_form->get_id(), 'edit' );
+		if ($new_form->exists()) {
+			$this->show_success(__('Form duplicated successfully', 'invoicing'));
+			$url = get_edit_post_link($new_form->get_id(), 'edit');
 		} else {
-			$this->show_error( __( 'Unable to duplicate form', 'invoicing' ) );
-			$url = remove_query_arg( array( 'getpaid-admin-action', 'form_id', 'getpaid-nonce' ) );
+			$this->show_error(__('Unable to duplicate form', 'invoicing'));
+			$url = remove_query_arg(array('getpaid-admin-action', 'form_id', 'getpaid-nonce'));
 		}
 
-		wp_redirect( $url );
+		wp_redirect($url);
 		exit;
 	}
 
@@ -485,9 +485,9 @@ 
 	 * 
 	 * @param array $args
      */
-    public function send_customer_invoice( $args ) {
-		getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $args['invoice_id'] ), true );
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
+    public function send_customer_invoice($args) {
+		getpaid()->get('invoice_emails')->user_invoice(new WPInv_Invoice($args['invoice_id']), true);
+		wp_safe_redirect(remove_query_arg(array('getpaid-admin-action', 'getpaid-nonce', 'invoice_id')));
 		exit;
 	}
 
@@ -496,16 +496,16 @@ 
 	 * 
 	 * @param array $args
      */
-    public function send_customer_payment_reminder( $args ) {
-		$sent = getpaid()->get( 'invoice_emails' )->force_send_overdue_notice( new WPInv_Invoice( $args['invoice_id'] ) );
+    public function send_customer_payment_reminder($args) {
+		$sent = getpaid()->get('invoice_emails')->force_send_overdue_notice(new WPInv_Invoice($args['invoice_id']));
 
-		if ( $sent ) {
-			$this->show_success( __( 'Payment reminder was successfully sent to the customer', 'invoicing' ) );
+		if ($sent) {
+			$this->show_success(__('Payment reminder was successfully sent to the customer', 'invoicing'));
 		} else {
-			$this->show_error( __( 'Could not sent payment reminder to the customer', 'invoicing' ) );
+			$this->show_error(__('Could not sent payment reminder to the customer', 'invoicing'));
 		}
 
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce', 'invoice_id' ) ) );
+		wp_safe_redirect(remove_query_arg(array('getpaid-admin-action', 'getpaid-nonce', 'invoice_id')));
 		exit;
 	}
 
@@ -515,8 +515,8 @@ 
      */
     public function admin_reset_tax_rates() {
 
-		update_option( 'wpinv_tax_rates', wpinv_get_data( 'tax-rates' ) );
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+		update_option('wpinv_tax_rates', wpinv_get_data('tax-rates'));
+		wp_safe_redirect(remove_query_arg(array('getpaid-admin-action', 'getpaid-nonce')));
 		exit;
 
 	}
@@ -528,8 +528,8 @@ 
     public function admin_create_missing_pages() {
 		$installer = new GetPaid_Installer();
 		$installer->create_pages();
-		$this->show_success( __( 'GetPaid pages updated.', 'invoicing' ) );
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+		$this->show_success(__('GetPaid pages updated.', 'invoicing'));
+		wp_safe_redirect(remove_query_arg(array('getpaid-admin-action', 'getpaid-nonce')));
 		exit;
 	}
 
@@ -541,35 +541,35 @@ 
 		global $wpdb;
 		$installer = new GetPaid_Installer();
 
-		if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}wpinv_subscriptions'" ) != $wpdb->prefix . 'wpinv_subscriptions' ) {
+		if ($wpdb->get_var("SHOW TABLES LIKE '{$wpdb->prefix}wpinv_subscriptions'") != $wpdb->prefix . 'wpinv_subscriptions') {
 			$installer->create_subscriptions_table();
 
-			if ( $wpdb->last_error !== '' ) {
-				$this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
+			if ($wpdb->last_error !== '') {
+				$this->show_error(__('Your GetPaid tables have been updated:', 'invoicing') . ' ' . $wpdb->last_error);
 			}
 		}
 
-		if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoices'" ) != $wpdb->prefix . 'getpaid_invoices' ) {
+		if ($wpdb->get_var("SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoices'") != $wpdb->prefix . 'getpaid_invoices') {
 			$installer->create_invoices_table();
 
-			if ( $wpdb->last_error !== '' ) {
-				$this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
+			if ($wpdb->last_error !== '') {
+				$this->show_error(__('Your GetPaid tables have been updated:', 'invoicing') . ' ' . $wpdb->last_error);
 			}
 		}
 
-		if ( $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoice_items'" ) != $wpdb->prefix . 'getpaid_invoice_items' ) {
+		if ($wpdb->get_var("SHOW TABLES LIKE '{$wpdb->prefix}getpaid_invoice_items'") != $wpdb->prefix . 'getpaid_invoice_items') {
 			$installer->create_invoice_items_table();
 
-			if ( $wpdb->last_error !== '' ) {
-				$this->show_error( __( 'Your GetPaid tables have been updated:', 'invoicing' ) . ' ' . $wpdb->last_error );
+			if ($wpdb->last_error !== '') {
+				$this->show_error(__('Your GetPaid tables have been updated:', 'invoicing') . ' ' . $wpdb->last_error);
 			}
 		}
 
-		if ( ! $this->has_notices() ) {
-			$this->show_success( __( 'Your GetPaid tables have been updated.', 'invoicing' ) );
+		if (!$this->has_notices()) {
+			$this->show_success(__('Your GetPaid tables have been updated.', 'invoicing'));
 		}
 
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+		wp_safe_redirect(remove_query_arg(array('getpaid-admin-action', 'getpaid-nonce')));
 		exit;
 	}
 
@@ -584,10 +584,10 @@ 
 		$installer->migrate_old_invoices();
 
 		// Show an admin message.
-		$this->show_success( __( 'Your invoices have been migrated.', 'invoicing' ) );
+		$this->show_success(__('Your invoices have been migrated.', 'invoicing'));
 
 		// Redirect the admin.
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+		wp_safe_redirect(remove_query_arg(array('getpaid-admin-action', 'getpaid-nonce')));
 		exit;
 
 	}
@@ -599,18 +599,18 @@ 
     public function admin_download_customers() {
 		global $wpdb;
 
-		$output = fopen( 'php://output', 'w' ) or die( __( 'Unsupported server', 'invoicing' ) );
+		$output = fopen('php://output', 'w') or die(__('Unsupported server', 'invoicing'));
 
-		header( "Content-Type:text/csv" );
-		header( "Content-Disposition:attachment;filename=customers.csv" );
+		header("Content-Type:text/csv");
+		header("Content-Disposition:attachment;filename=customers.csv");
 
 		$post_types = '';
 
-		foreach ( array_keys( getpaid_get_invoice_post_types() ) as $post_type ) {
-			$post_types .= $wpdb->prepare( "post_type=%s OR ", $post_type );
+		foreach (array_keys(getpaid_get_invoice_post_types()) as $post_type) {
+			$post_types .= $wpdb->prepare("post_type=%s OR ", $post_type);
 		}
 
-		$post_types = rtrim( $post_types, ' OR' );
+		$post_types = rtrim($post_types, ' OR');
 
 		$customers = $wpdb->get_col(
 			$wpdb->prepare(
@@ -619,58 +619,58 @@ 
 		);
 
 		$columns = array(
-			'name'     => __( 'Name', 'invoicing' ),
-			'email'    => __( 'Email', 'invoicing' ),
-			'country'  => __( 'Country', 'invoicing' ),
-			'state'    => __( 'State', 'invoicing' ),
-			'city'     => __( 'City', 'invoicing' ),
-			'zip'      => __( 'ZIP', 'invoicing' ),
-			'address'  => __( 'Address', 'invoicing' ),
-			'phone'    => __( 'Phone', 'invoicing' ),
-			'company'  => __( 'Company', 'invoicing' ),
-			'company_id'  => __( 'Company ID', 'invoicing' ),
-			'invoices' => __( 'Invoices', 'invoicing' ),
-			'total_raw' => __( 'Total Spend', 'invoicing' ),
-			'signup'   => __( 'Date created', 'invoicing' ),
+			'name'     => __('Name', 'invoicing'),
+			'email'    => __('Email', 'invoicing'),
+			'country'  => __('Country', 'invoicing'),
+			'state'    => __('State', 'invoicing'),
+			'city'     => __('City', 'invoicing'),
+			'zip'      => __('ZIP', 'invoicing'),
+			'address'  => __('Address', 'invoicing'),
+			'phone'    => __('Phone', 'invoicing'),
+			'company'  => __('Company', 'invoicing'),
+			'company_id'  => __('Company ID', 'invoicing'),
+			'invoices' => __('Invoices', 'invoicing'),
+			'total_raw' => __('Total Spend', 'invoicing'),
+			'signup'   => __('Date created', 'invoicing'),
 		);
 
 		// Output the csv column headers.
-		fputcsv( $output, array_values( $columns ) );
+		fputcsv($output, array_values($columns));
 
 		// Loop through
 		$table = new WPInv_Customers_Table();
-		foreach ( $customers as $customer_id ) {
+		foreach ($customers as $customer_id) {
 
-			$user = get_user_by( 'id', $customer_id );
+			$user = get_user_by('id', $customer_id);
 			$row  = array();
-			if ( empty( $user ) ) {
+			if (empty($user)) {
 				continue;
 			}
 
-			foreach ( array_keys( $columns ) as $column ) {
+			foreach (array_keys($columns) as $column) {
 
 				$method = 'column_' . $column;
 
-				if ( 'name' == $column ) {
-					$value = esc_html( $user->display_name );
-				} else if( 'email' == $column ) {
-					$value = sanitize_email( $user->user_email );
-				} else if ( is_callable( array( $table, $method ) ) ) {
-					$value = strip_tags( $table->$method( $user ) );
+				if ('name' == $column) {
+					$value = esc_html($user->display_name);
+				} else if ('email' == $column) {
+					$value = sanitize_email($user->user_email);
+				} else if (is_callable(array($table, $method))) {
+					$value = strip_tags($table->$method($user));
 				}
 
-				if ( empty( $value ) ) {
-					$value = esc_html( get_user_meta( $user->ID, '_wpinv_' . $column, true ) );
+				if (empty($value)) {
+					$value = esc_html(get_user_meta($user->ID, '_wpinv_' . $column, true));
 				}
 
 				$row[] = $value;
 
 			}
 
-			fputcsv( $output, $row );
+			fputcsv($output, $row);
 		}
 
-		fclose( $output );
+		fclose($output);
 		exit;
 
 	}
@@ -680,29 +680,29 @@ 
 	 *
 	 * @param array $data
      */
-    public function admin_install_plugin( $data ) {
+    public function admin_install_plugin($data) {
 
-		if ( ! empty( $data['plugins'] ) ) {
+		if (!empty($data['plugins'])) {
 			include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
 			wp_cache_flush();
 
-			foreach ( $data['plugins'] as $slug => $file ) {
-				$plugin_zip = esc_url( 'https://downloads.wordpress.org/plugin/' . $slug . '.latest-stable.zip' );
-				$upgrader   = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
-				$installed  = $upgrader->install( $plugin_zip );
+			foreach ($data['plugins'] as $slug => $file) {
+				$plugin_zip = esc_url('https://downloads.wordpress.org/plugin/' . $slug . '.latest-stable.zip');
+				$upgrader   = new Plugin_Upgrader(new Automatic_Upgrader_Skin());
+				$installed  = $upgrader->install($plugin_zip);
 
-				if ( ! is_wp_error( $installed ) && $installed ) {
-					activate_plugin( $file, '', false, true );
+				if (!is_wp_error($installed) && $installed) {
+					activate_plugin($file, '', false, true);
 				} else {
-					wpinv_error_log( $upgrader->skin->get_upgrade_messages(), false );
+					wpinv_error_log($upgrader->skin->get_upgrade_messages(), false);
 				}
 
 			}
 
 		}
 
-		$redirect = isset( $data['redirect'] ) ? esc_url_raw( $data['redirect'] ) : admin_url( 'plugins.php' );
-		wp_safe_redirect( $redirect );
+		$redirect = isset($data['redirect']) ? esc_url_raw($data['redirect']) : admin_url('plugins.php');
+		wp_safe_redirect($redirect);
 		exit;
 
 	}
@@ -712,42 +712,42 @@ 
 	 *
 	 * @param array $data
      */
-    public function admin_connect_gateway( $data ) {
+    public function admin_connect_gateway($data) {
 
-		if ( ! empty( $data['plugin'] ) ) {
+		if (!empty($data['plugin'])) {
 
-			$gateway     = sanitize_key( $data['plugin'] );
-			$connect_url = apply_filters( "getpaid_get_{$gateway}_connect_url", false, $data );
+			$gateway     = sanitize_key($data['plugin']);
+			$connect_url = apply_filters("getpaid_get_{$gateway}_connect_url", false, $data);
 
-			if ( ! empty( $connect_url ) ) {
-				wp_redirect( $connect_url );
+			if (!empty($connect_url)) {
+				wp_redirect($connect_url);
 				exit;
 			}
 
-			if ( 'stripe' == $data['plugin'] ) {
+			if ('stripe' == $data['plugin']) {
 				require_once ABSPATH . 'wp-admin/includes/plugin.php';
 				include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
 				wp_cache_flush();
 
-				if ( ! array_key_exists( 'getpaid-stripe-payments/getpaid-stripe-payments.php', get_plugins() ) ) {
-					$plugin_zip = esc_url( 'https://downloads.wordpress.org/plugin/getpaid-stripe-payments.latest-stable.zip' );
-					$upgrader   = new Plugin_Upgrader( new Automatic_Upgrader_Skin() );
-					$upgrader->install( $plugin_zip );
+				if (!array_key_exists('getpaid-stripe-payments/getpaid-stripe-payments.php', get_plugins())) {
+					$plugin_zip = esc_url('https://downloads.wordpress.org/plugin/getpaid-stripe-payments.latest-stable.zip');
+					$upgrader   = new Plugin_Upgrader(new Automatic_Upgrader_Skin());
+					$upgrader->install($plugin_zip);
 				}
 
-				activate_plugin( 'getpaid-stripe-payments/getpaid-stripe-payments.php', '', false, true );
+				activate_plugin('getpaid-stripe-payments/getpaid-stripe-payments.php', '', false, true);
 			}
 
-			$connect_url = apply_filters( "getpaid_get_{$gateway}_connect_url", false, $data );
-			if ( ! empty( $connect_url ) ) {
-				wp_redirect( $connect_url );
+			$connect_url = apply_filters("getpaid_get_{$gateway}_connect_url", false, $data);
+			if (!empty($connect_url)) {
+				wp_redirect($connect_url);
 				exit;
 			}
 
 		}
 
-		$redirect = isset( $data['redirect'] ) ? esc_url_raw( urldecode( $data['redirect'] ) ) : admin_url( 'admin.php?page=wpinv-settings&tab=gateways' );
-		wp_safe_redirect( $redirect );
+		$redirect = isset($data['redirect']) ? esc_url_raw(urldecode($data['redirect'])) : admin_url('admin.php?page=wpinv-settings&tab=gateways');
+		wp_safe_redirect($redirect);
 		exit;
 
 	}
@@ -761,36 +761,36 @@ 
 
 		// Fetch all invoices that have discount codes.
 		$table    = $wpdb->prefix . 'getpaid_invoices';
-		$invoices = $wpdb->get_col( "SELECT `post_id` FROM `$table` WHERE `discount` = 0 && `discount_code` <> ''" );
+		$invoices = $wpdb->get_col("SELECT `post_id` FROM `$table` WHERE `discount` = 0 && `discount_code` <> ''");
 
-		foreach ( $invoices as $invoice ) {
+		foreach ($invoices as $invoice) {
 
-			$invoice = new WPInv_Invoice( $invoice );
+			$invoice = new WPInv_Invoice($invoice);
 
-			if ( ! $invoice->exists() ) {
+			if (!$invoice->exists()) {
 				continue;
 			}
 
 			// Abort if the discount does not exist or does not apply here.
-			$discount = new WPInv_Discount( $invoice->get_discount_code() );
-			if ( ! $discount->exists() ) {
+			$discount = new WPInv_Discount($invoice->get_discount_code());
+			if (!$discount->exists()) {
 				continue;
 			}
 
-			$invoice->add_discount( getpaid_calculate_invoice_discount( $invoice, $discount ) );
+			$invoice->add_discount(getpaid_calculate_invoice_discount($invoice, $discount));
 			$invoice->recalculate_total();
 
-			if ( $invoice->get_total_discount() > 0 ) {
+			if ($invoice->get_total_discount() > 0) {
 				$invoice->save();
 			}
 
 		}
 
 		// Show an admin message.
-		$this->show_success( __( 'Discounts have been recalculated.', 'invoicing' ) );
+		$this->show_success(__('Discounts have been recalculated.', 'invoicing'));
 
 		// Redirect the admin.
-		wp_safe_redirect( remove_query_arg( array( 'getpaid-admin-action', 'getpaid-nonce' ) ) );
+		wp_safe_redirect(remove_query_arg(array('getpaid-admin-action', 'getpaid-nonce')));
 		exit;
 
 	}
@@ -802,8 +802,8 @@ 
      * @return array
 	 */
 	public function get_notices() {
-		$notices = get_option( 'wpinv_admin_notices' );
-        return is_array( $notices ) ? $notices : array();
+		$notices = get_option('wpinv_admin_notices');
+        return is_array($notices) ? $notices : array();
 	}
 
 	/**
@@ -813,7 +813,7 @@ 
      * @return array
 	 */
 	public function has_notices() {
-		return count( $this->get_notices() ) > 0;
+		return count($this->get_notices()) > 0;
 	}
 
 	/**
@@ -823,7 +823,7 @@ 
 	 * @since       1.0.19
 	 */
 	public function clear_notices() {
-		delete_option( 'wpinv_admin_notices' );
+		delete_option('wpinv_admin_notices');
 	}
 
 	/**
@@ -832,16 +832,16 @@ 
 	 * @access      public
 	 * @since       1.0.19
 	 */
-	public function save_notice( $type, $message ) {
+	public function save_notice($type, $message) {
 		$notices = $this->get_notices();
 
-		if ( empty( $notices[ $type ] ) || ! is_array( $notices[ $type ]) ) {
-			$notices[ $type ] = array();
+		if (empty($notices[$type]) || !is_array($notices[$type])) {
+			$notices[$type] = array();
 		}
 
-		$notices[ $type ][] = $message;
+		$notices[$type][] = $message;
 
-		update_option( 'wpinv_admin_notices', $notices );
+		update_option('wpinv_admin_notices', $notices);
 	}
 
 	/**
@@ -851,8 +851,8 @@ 
 	 * @access      public
 	 * @since       1.0.19
 	 */
-	public function show_success( $msg ) {
-		$this->save_notice( 'success', $msg );
+	public function show_success($msg) {
+		$this->save_notice('success', $msg);
 	}
 
 	/**
@@ -862,8 +862,8 @@ 
 	 * @param       string $msg The message to qeue.
 	 * @since       1.0.19
 	 */
-	public function show_error( $msg ) {
-		$this->save_notice( 'error', $msg );
+	public function show_error($msg) {
+		$this->save_notice('error', $msg);
 	}
 
 	/**
@@ -873,8 +873,8 @@ 
 	 * @param       string $msg The message to qeue.
 	 * @since       1.0.19
 	 */
-	public function show_warning( $msg ) {
-		$this->save_notice( 'warning', $msg );
+	public function show_warning($msg) {
+		$this->save_notice('warning', $msg);
 	}
 
 	/**
@@ -884,8 +884,8 @@ 
 	 * @param       string $msg The message to qeue.
 	 * @since       1.0.19
 	 */
-	public function show_info( $msg ) {
-		$this->save_notice( 'info', $msg );
+	public function show_info($msg) {
+		$this->save_notice('info', $msg);
 	}
 
 	/**
@@ -899,30 +899,30 @@ 
         $notices = $this->get_notices();
         $this->clear_notices();
 
-		foreach ( $notices as $type => $messages ) {
+		foreach ($notices as $type => $messages) {
 
-			if ( ! is_array( $messages ) ) {
+			if (!is_array($messages)) {
 				continue;
 			}
 
-            $type  = sanitize_key( $type );
-			foreach ( $messages as $message ) {
-                $message = wp_kses_post( $message );
+            $type = sanitize_key($type);
+			foreach ($messages as $message) {
+                $message = wp_kses_post($message);
 				echo "<div class='notice notice-$type is-dismissible'><p>$message</p></div>";
             }
 
         }
 
-		foreach ( array( 'checkout_page', 'invoice_history_page', 'success_page', 'failure_page', 'invoice_subscription_page' ) as $page ) {
+		foreach (array('checkout_page', 'invoice_history_page', 'success_page', 'failure_page', 'invoice_subscription_page') as $page) {
 
-			if ( ! is_numeric( wpinv_get_option( $page, false ) ) ) {
-				$url     = wp_nonce_url(
-					add_query_arg( 'getpaid-admin-action', 'create_missing_pages' ),
+			if (!is_numeric(wpinv_get_option($page, false))) {
+				$url = wp_nonce_url(
+					add_query_arg('getpaid-admin-action', 'create_missing_pages'),
 					'getpaid-nonce',
 					'getpaid-nonce'
 				);
-				$message  = __( 'Some GetPaid pages are missing. To use GetPaid without any issues, click the button below to generate the missing pages.', 'invoicing' );
-				$message2 = __( 'Generate Pages', 'invoicing' );
+				$message  = __('Some GetPaid pages are missing. To use GetPaid without any issues, click the button below to generate the missing pages.', 'invoicing');
+				$message2 = __('Generate Pages', 'invoicing');
 				echo "<div class='notice notice-warning is-dismissible'><p>$message<br><br><a href='$url' class='button button-primary'>$message2</a></p></div>";
 				break;
 			}

invoicing.php

Indentation +4 added lines, -4 removed lines

@@ -19,16 +19,16 @@ 
 
 // Define constants.
 if ( ! defined( 'WPINV_PLUGIN_FILE' ) ) {
-	define( 'WPINV_PLUGIN_FILE', __FILE__ );
+    define( 'WPINV_PLUGIN_FILE', __FILE__ );
 }
 
 if ( ! defined( 'WPINV_VERSION' ) ) {
-	define( 'WPINV_VERSION', '2.6.0' );
+    define( 'WPINV_VERSION', '2.6.0' );
 }
 
 // Include the main Invoicing class.
 if ( ! class_exists( 'WPInv_Plugin', false ) ) {
-	require_once plugin_dir_path( WPINV_PLUGIN_FILE ) . 'includes/class-wpinv.php';
+    require_once plugin_dir_path( WPINV_PLUGIN_FILE ) . 'includes/class-wpinv.php';
 }
 
 /**
@@ -43,7 +43,7 @@ 
         $GLOBALS['invoicing'] = new WPInv_Plugin();
     }
 
-	return $GLOBALS['invoicing'];
+    return $GLOBALS['invoicing'];
 }
 
 /**

Spacing +11 added lines, -11 removed lines

@@ -15,20 +15,20 @@ 
  * @package GetPaid
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Define constants.
-if ( ! defined( 'WPINV_PLUGIN_FILE' ) ) {
-	define( 'WPINV_PLUGIN_FILE', __FILE__ );
+if (!defined('WPINV_PLUGIN_FILE')) {
+	define('WPINV_PLUGIN_FILE', __FILE__);
 }
 
-if ( ! defined( 'WPINV_VERSION' ) ) {
-	define( 'WPINV_VERSION', '2.6.0' );
+if (!defined('WPINV_VERSION')) {
+	define('WPINV_VERSION', '2.6.0');
 }
 
 // Include the main Invoicing class.
-if ( ! class_exists( 'WPInv_Plugin', false ) ) {
-	require_once plugin_dir_path( WPINV_PLUGIN_FILE ) . 'includes/class-wpinv.php';
+if (!class_exists('WPInv_Plugin', false)) {
+	require_once plugin_dir_path(WPINV_PLUGIN_FILE) . 'includes/class-wpinv.php';
 }
 
 /**
@@ -39,7 +39,7 @@ 
  */
 function getpaid() {
 
-    if ( empty( $GLOBALS['invoicing'] ) ) {
+    if (empty($GLOBALS['invoicing'])) {
         $GLOBALS['invoicing'] = new WPInv_Plugin();
     }
 
@@ -52,9 +52,9 @@ 
  * @since  2.0.8
  */
 function getpaid_deactivation_hook() {
-    update_option( 'wpinv_flush_permalinks', 1 );
+    update_option('wpinv_flush_permalinks', 1);
 }
-register_deactivation_hook( __FILE__, 'getpaid_deactivation_hook' );
+register_deactivation_hook(__FILE__, 'getpaid_deactivation_hook');
 
 /**
  * @deprecated
@@ -64,4 +64,4 @@ 
 }
 
 // Kickstart the plugin.
-add_action( 'plugins_loaded', 'getpaid', -100 );
+add_action('plugins_loaded', 'getpaid', -100);

vendor/ayecode/wp-ayecode-ui/ayecode-ui-loader.php

Indentation +18 added lines, -18 removed lines

@@ -7,40 +7,40 @@
  * Bail if we are not in WP.
  */
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
  * Set the version only if its the current newest while loading.
  */
 add_action('after_setup_theme', function () {
-	global $ayecode_ui_version,$ayecode_ui_file_key;
-	$this_version = "0.1.65";
-	if(empty($ayecode_ui_version) || version_compare($this_version , $ayecode_ui_version, '>')){
-		$ayecode_ui_version = $this_version ;
-		$ayecode_ui_file_key = wp_hash( __FILE__ );
-	}
+    global $ayecode_ui_version,$ayecode_ui_file_key;
+    $this_version = "0.1.65";
+    if(empty($ayecode_ui_version) || version_compare($this_version , $ayecode_ui_version, '>')){
+        $ayecode_ui_version = $this_version ;
+        $ayecode_ui_file_key = wp_hash( __FILE__ );
+    }
 },0);
 
 /**
  * Load this version of WP Bootstrap Settings only if the file hash is the current one.
  */
 add_action('after_setup_theme', function () {
-	global $ayecode_ui_file_key;
-	if($ayecode_ui_file_key && $ayecode_ui_file_key == wp_hash( __FILE__ )){
-		include_once( dirname( __FILE__ ) . '/includes/class-aui.php' );
-		include_once( dirname( __FILE__ ) . '/includes/ayecode-ui-settings.php' );
-	}
+    global $ayecode_ui_file_key;
+    if($ayecode_ui_file_key && $ayecode_ui_file_key == wp_hash( __FILE__ )){
+        include_once( dirname( __FILE__ ) . '/includes/class-aui.php' );
+        include_once( dirname( __FILE__ ) . '/includes/ayecode-ui-settings.php' );
+    }
 },1);
 
 /**
  * Add the function that calls the class.
  */
 if(!function_exists('aui')){
-	function aui(){
-		if(!class_exists("AUI",false)){
-			return false;
-		}
-		return AUI::instance();
-	}
+    function aui(){
+        if(!class_exists("AUI",false)){
+            return false;
+        }
+        return AUI::instance();
+    }
 }
\ No newline at end of file

Spacing +13 added lines, -13 removed lines

@@ -6,39 +6,39 @@
 /**
  * Bail if we are not in WP.
  */
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
 /**
  * Set the version only if its the current newest while loading.
  */
-add_action('after_setup_theme', function () {
-	global $ayecode_ui_version,$ayecode_ui_file_key;
+add_action('after_setup_theme', function() {
+	global $ayecode_ui_version, $ayecode_ui_file_key;
 	$this_version = "0.1.65";
-	if(empty($ayecode_ui_version) || version_compare($this_version , $ayecode_ui_version, '>')){
-		$ayecode_ui_version = $this_version ;
-		$ayecode_ui_file_key = wp_hash( __FILE__ );
+	if (empty($ayecode_ui_version) || version_compare($this_version, $ayecode_ui_version, '>')) {
+		$ayecode_ui_version = $this_version;
+		$ayecode_ui_file_key = wp_hash(__FILE__);
 	}
 },0);
 
 /**
  * Load this version of WP Bootstrap Settings only if the file hash is the current one.
  */
-add_action('after_setup_theme', function () {
+add_action('after_setup_theme', function() {
 	global $ayecode_ui_file_key;
-	if($ayecode_ui_file_key && $ayecode_ui_file_key == wp_hash( __FILE__ )){
-		include_once( dirname( __FILE__ ) . '/includes/class-aui.php' );
-		include_once( dirname( __FILE__ ) . '/includes/ayecode-ui-settings.php' );
+	if ($ayecode_ui_file_key && $ayecode_ui_file_key == wp_hash(__FILE__)) {
+		include_once(dirname(__FILE__) . '/includes/class-aui.php');
+		include_once(dirname(__FILE__) . '/includes/ayecode-ui-settings.php');
 	}
 },1);
 
 /**
  * Add the function that calls the class.
  */
-if(!function_exists('aui')){
-	function aui(){
-		if(!class_exists("AUI",false)){
+if (!function_exists('aui')) {
+	function aui() {
+		if (!class_exists("AUI", false)) {
 			return false;
 		}
 		return AUI::instance();