AyeCode / invoicing

includes/payments/class-getpaid-checkout.php

Indentation +256 added lines, -256 removed lines

@@ -12,180 +12,180 @@ 
  */
 class GetPaid_Checkout {
 
-	/**
-	 * @var GetPaid_Payment_Form_Submission
-	 */
-	protected $payment_form_submission;
-
-	/**
-	 * Class constructor.
-	 * 
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function __construct( $submission ) {
-		$this->payment_form_submission = $submission;
-	}
-
-	/**
-	 * Processes the checkout.
-	 *
-	 */
-	public function process_checkout() {
-
-		// Validate the submission.
-		$this->validate_submission();
-
-		// Prepare the invoice.
-		$items      = $this->get_submission_items();
-		$invoice    = $this->get_submission_invoice();
-		$invoice    = $this->process_submission_invoice( $invoice, $items );
-		$prepared   = $this->prepare_submission_data_for_saving();
-
-		$this->prepare_billing_info( $invoice );
-
-		$shipping   = $this->prepare_shipping_info( $invoice );
-
-		// Save the invoice.
-		$invoice->set_is_viewed( true );
-		$invoice->recalculate_total();
+    /**
+     * @var GetPaid_Payment_Form_Submission
+     */
+    protected $payment_form_submission;
+
+    /**
+     * Class constructor.
+     * 
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function __construct( $submission ) {
+        $this->payment_form_submission = $submission;
+    }
+
+    /**
+     * Processes the checkout.
+     *
+     */
+    public function process_checkout() {
+
+        // Validate the submission.
+        $this->validate_submission();
+
+        // Prepare the invoice.
+        $items      = $this->get_submission_items();
+        $invoice    = $this->get_submission_invoice();
+        $invoice    = $this->process_submission_invoice( $invoice, $items );
+        $prepared   = $this->prepare_submission_data_for_saving();
+
+        $this->prepare_billing_info( $invoice );
+
+        $shipping   = $this->prepare_shipping_info( $invoice );
+
+        // Save the invoice.
+        $invoice->set_is_viewed( true );
+        $invoice->recalculate_total();
         $invoice->save();
 
-		do_action( 'getpaid_checkout_invoice_updated', $invoice );
+        do_action( 'getpaid_checkout_invoice_updated', $invoice );
 
-		// Send to the gateway.
-		$this->post_process_submission( $invoice, $prepared, $shipping );
-	}
+        // Send to the gateway.
+        $this->post_process_submission( $invoice, $prepared, $shipping );
+    }
 
-	/**
-	 * Validates the submission.
-	 *
-	 */
-	protected function validate_submission() {
+    /**
+     * Validates the submission.
+     *
+     */
+    protected function validate_submission() {
 
-		$submission = $this->payment_form_submission;
-		$data       = $submission->get_data();
+        $submission = $this->payment_form_submission;
+        $data       = $submission->get_data();
 
-		// Do we have an error?
+        // Do we have an error?
         if ( ! empty( $submission->last_error ) ) {
-			wp_send_json_error( $submission->last_error );
+            wp_send_json_error( $submission->last_error );
         }
 
-		// We need a billing email.
+        // We need a billing email.
         if ( ! $submission->has_billing_email() ) {
             wp_send_json_error( __( 'Provide a valid billing email.', 'invoicing' ) );
-		}
+        }
 
-		// Non-recurring gateways should not be allowed to process recurring invoices.
-		if ( $submission->should_collect_payment_details() && $submission->has_recurring && ! wpinv_gateway_support_subscription( $data['wpi-gateway'] ) ) {
-			wp_send_json_error( __( 'The selected payment gateway does not support subscription payments.', 'invoicing' ) );
-		}
+        // Non-recurring gateways should not be allowed to process recurring invoices.
+        if ( $submission->should_collect_payment_details() && $submission->has_recurring && ! wpinv_gateway_support_subscription( $data['wpi-gateway'] ) ) {
+            wp_send_json_error( __( 'The selected payment gateway does not support subscription payments.', 'invoicing' ) );
+        }
 
-		// Ensure the gateway is active.
-		if ( $submission->should_collect_payment_details() && ! wpinv_is_gateway_active( $data['wpi-gateway'] ) ) {
-			wpinv_set_error( 'invalid_gateway', __( 'The selected payment gateway is not active', 'invoicing' ) );
-		}
+        // Ensure the gateway is active.
+        if ( $submission->should_collect_payment_details() && ! wpinv_is_gateway_active( $data['wpi-gateway'] ) ) {
+            wpinv_set_error( 'invalid_gateway', __( 'The selected payment gateway is not active', 'invoicing' ) );
+        }
 
-		// Clear any existing errors.
-		wpinv_clear_errors();
+        // Clear any existing errors.
+        wpinv_clear_errors();
 
-		// Allow themes and plugins to hook to errors
-		do_action( 'getpaid_checkout_error_checks', $submission );
+        // Allow themes and plugins to hook to errors
+        do_action( 'getpaid_checkout_error_checks', $submission );
 
-		// Do we have any errors?
+        // Do we have any errors?
         if ( wpinv_get_errors() ) {
             wp_send_json_error( getpaid_get_errors_html() );
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Retrieves submission items.
-	 *
-	 * @return GetPaid_Form_Item[]
-	 */
-	protected function get_submission_items() {
+    /**
+     * Retrieves submission items.
+     *
+     * @return GetPaid_Form_Item[]
+     */
+    protected function get_submission_items() {
 
-		$items = $this->payment_form_submission->get_items();
+        $items = $this->payment_form_submission->get_items();
 
         // Ensure that we have items.
         if ( empty( $items ) && ! $this->payment_form_submission->has_fees() ) {
             wp_send_json_error( __( 'Please provide at least one item or amount.', 'invoicing' ) );
-		}
-
-		return $items;
-	}
-
-	/**
-	 * Retrieves submission invoice.
-	 *
-	 * @return WPInv_Invoice
-	 */
-	protected function get_submission_invoice() {
-		$submission = $this->payment_form_submission;
-
-		if ( ! $submission->has_invoice() ) {
-			$invoice = new WPInv_Invoice();
-			$invoice->set_created_via( 'payment_form' );
-			return $invoice;
         }
 
-		$invoice = $submission->get_invoice();
+        return $items;
+    }
 
-		// Make sure that it is neither paid or refunded.
-		if ( $invoice->is_paid() || $invoice->is_refunded() ) {
-			wp_send_json_error( __( 'This invoice has already been paid for.', 'invoicing' ) );
-		}
+    /**
+     * Retrieves submission invoice.
+     *
+     * @return WPInv_Invoice
+     */
+    protected function get_submission_invoice() {
+        $submission = $this->payment_form_submission;
 
-		return $invoice;
-	}
+        if ( ! $submission->has_invoice() ) {
+            $invoice = new WPInv_Invoice();
+            $invoice->set_created_via( 'payment_form' );
+            return $invoice;
+        }
 
-	/**
-	 * Processes the submission invoice.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @param GetPaid_Form_Item[] $items
-	 * @return WPInv_Invoice
-	 */
-	protected function process_submission_invoice( $invoice, $items ) {
+        $invoice = $submission->get_invoice();
 
-		$submission = $this->payment_form_submission;
-		$data       = $submission->get_data();
+        // Make sure that it is neither paid or refunded.
+        if ( $invoice->is_paid() || $invoice->is_refunded() ) {
+            wp_send_json_error( __( 'This invoice has already been paid for.', 'invoicing' ) );
+        }
 
-		// Set-up the invoice details.
-		$invoice->set_email( sanitize_email( $submission->get_billing_email() ) );
-		$invoice->set_user_id( $this->get_submission_customer() );
-		$invoice->set_payment_form( absint( $submission->get_payment_form()->get_id() ) );
+        return $invoice;
+    }
+
+    /**
+     * Processes the submission invoice.
+     *
+     * @param WPInv_Invoice $invoice
+     * @param GetPaid_Form_Item[] $items
+     * @return WPInv_Invoice
+     */
+    protected function process_submission_invoice( $invoice, $items ) {
+
+        $submission = $this->payment_form_submission;
+        $data       = $submission->get_data();
+
+        // Set-up the invoice details.
+        $invoice->set_email( sanitize_email( $submission->get_billing_email() ) );
+        $invoice->set_user_id( $this->get_submission_customer() );
+        $invoice->set_payment_form( absint( $submission->get_payment_form()->get_id() ) );
         $invoice->set_items( $items );
         $invoice->set_fees( $submission->get_fees() );
         $invoice->set_taxes( $submission->get_taxes() );
-		$invoice->set_discounts( $submission->get_discounts() );
-		$invoice->set_gateway( $data['wpi-gateway'] );
+        $invoice->set_discounts( $submission->get_discounts() );
+        $invoice->set_gateway( $data['wpi-gateway'] );
 
-		$address_confirmed = $submission->get_field( 'confirm-address' );
-		$invoice->set_address_confirmed( ! empty( $address_confirmed ) );
+        $address_confirmed = $submission->get_field( 'confirm-address' );
+        $invoice->set_address_confirmed( ! empty( $address_confirmed ) );
 
-		if ( $submission->has_discount_code() ) {
+        if ( $submission->has_discount_code() ) {
             $invoice->set_discount_code( $submission->get_discount_code() );
-		}
-
-		getpaid_maybe_add_default_address( $invoice );
-		return $invoice;
-	}
-
-	/**
-	 * Retrieves the submission's customer.
-	 *
-	 * @return int The customer id.
-	 */
-	protected function get_submission_customer() {
-		$submission = $this->payment_form_submission;
-
-		// If this is an existing invoice...
-		if ( $submission->has_invoice() ) {
-			return $submission->get_invoice()->get_user_id();
-		}
-
-		// (Maybe) create the user.
+        }
+
+        getpaid_maybe_add_default_address( $invoice );
+        return $invoice;
+    }
+
+    /**
+     * Retrieves the submission's customer.
+     *
+     * @return int The customer id.
+     */
+    protected function get_submission_customer() {
+        $submission = $this->payment_form_submission;
+
+        // If this is an existing invoice...
+        if ( $submission->has_invoice() ) {
+            return $submission->get_invoice()->get_user_id();
+        }
+
+        // (Maybe) create the user.
         $user = get_current_user_id();
 
         if ( empty( $user ) ) {
@@ -195,11 +195,11 @@ 
         if ( empty( $user ) ) {
             $user = wpinv_create_user( $submission->get_billing_email() );
 
-			// (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 ), $user ) ) {
-				wp_send_new_user_notifications( $user, 'user' );
-			}
+            // (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 ), $user ) ) {
+                wp_send_new_user_notifications( $user, 'user' );
+            }
 
         }
 
@@ -209,31 +209,31 @@ 
 
         if ( is_numeric( $user ) ) {
             return $user;
-		}
+        }
 
-		return $user->ID;
+        return $user->ID;
 
-	}
+    }
 
-	/**
+    /**
      * Prepares submission data for saving to the database.
      *
-	 * @return array
+     * @return array
      */
     public function prepare_submission_data_for_saving() {
 
-		$submission = $this->payment_form_submission;
+        $submission = $this->payment_form_submission;
 
-		// Prepared submission details.
+        // Prepared submission details.
         $prepared = array();
 
         // Raw submission details.
-		$data     = $submission->get_data();
+        $data     = $submission->get_data();
 
-		// Loop through the submitted details.
+        // Loop through the submitted details.
         foreach ( $submission->get_payment_form()->get_elements() as $field ) {
 
-			// Skip premade fields.
+            // Skip premade fields.
             if ( ! empty( $field['premade'] ) || $field['type'] == 'address' ) {
                 continue;
             }
@@ -251,176 +251,176 @@ 
                     $label = $field['label'];
                 }
 
-				$prepared[ wpinv_clean( $label ) ] = wp_kses_post( $data[ $field['id'] ] );
+                $prepared[ wpinv_clean( $label ) ] = wp_kses_post( $data[ $field['id'] ] );
 
             }
 
-		}
+        }
 
-		return $prepared;
+        return $prepared;
 
-	}
+    }
 
-	/**
+    /**
      * Retrieves address details.
      *
-	 * @return array
-	 * @param WPInv_Invoice $invoice
-	 * @param string $type
+     * @return array
+     * @param WPInv_Invoice $invoice
+     * @param string $type
      */
     public function prepare_address_details( $invoice, $type = 'billing' ) {
 
-		$data     = $this->payment_form_submission->get_data();
-		$type     = sanitize_key( $type );
-		$address  = array();
-		$prepared = array();
+        $data     = $this->payment_form_submission->get_data();
+        $type     = sanitize_key( $type );
+        $address  = array();
+        $prepared = array();
 
-		if ( ! empty( $data[ $type ] ) ) {
-			$address = $data[ $type ];
-		}
+        if ( ! empty( $data[ $type ] ) ) {
+            $address = $data[ $type ];
+        }
 
-		// Clean address details.
-		foreach ( $address as $key => $value ) {
-			$key             = sanitize_key( $key );
-			$key             = str_replace( 'wpinv_', '', $key );
-			$value           = wpinv_clean( $value );
-			$prepared[ $key] = apply_filters( "getpaid_checkout_{$type}_address_$key", $value, $this->payment_form_submission, $invoice );
-		}
+        // Clean address details.
+        foreach ( $address as $key => $value ) {
+            $key             = sanitize_key( $key );
+            $key             = str_replace( 'wpinv_', '', $key );
+            $value           = wpinv_clean( $value );
+            $prepared[ $key] = apply_filters( "getpaid_checkout_{$type}_address_$key", $value, $this->payment_form_submission, $invoice );
+        }
 
-		// Filter address details.
-		$prepared = apply_filters( "getpaid_checkout_{$type}_address", $prepared, $this->payment_form_submission, $invoice );
+        // Filter address details.
+        $prepared = apply_filters( "getpaid_checkout_{$type}_address", $prepared, $this->payment_form_submission, $invoice );
 
-		// Remove non-whitelisted values.
-		return array_filter( $prepared, 'getpaid_is_address_field_whitelisted', ARRAY_FILTER_USE_KEY );
+        // Remove non-whitelisted values.
+        return array_filter( $prepared, 'getpaid_is_address_field_whitelisted', ARRAY_FILTER_USE_KEY );
 
-	}
+    }
 
-	/**
+    /**
      * Prepares the billing details.
      *
-	 * @return array
-	 * @param WPInv_Invoice $invoice
+     * @return array
+     * @param WPInv_Invoice $invoice
      */
     protected function prepare_billing_info( &$invoice ) {
 
-		$billing_address = $this->prepare_address_details( $invoice, 'billing' );
+        $billing_address = $this->prepare_address_details( $invoice, 'billing' );
 
-		// Update the invoice with the billing details.
-		$invoice->set_props( $billing_address );
+        // Update the invoice with the billing details.
+        $invoice->set_props( $billing_address );
 
-	}
+    }
 
-	/**
+    /**
      * Prepares the shipping details.
      *
-	 * @return array
-	 * @param WPInv_Invoice $invoice
+     * @return array
+     * @param WPInv_Invoice $invoice
      */
     protected function prepare_shipping_info( $invoice ) {
 
-		$data = $this->payment_form_submission->get_data();
+        $data = $this->payment_form_submission->get_data();
 
-		if ( empty( $data['same-shipping-address'] ) ) {
-			return $this->prepare_address_details( $invoice, 'shipping' );
-		}
+        if ( empty( $data['same-shipping-address'] ) ) {
+            return $this->prepare_address_details( $invoice, 'shipping' );
+        }
 
-		return $this->prepare_address_details( $invoice, 'billing' );
+        return $this->prepare_address_details( $invoice, 'billing' );
 
-	}
+    }
 
-	/**
-	 * Confirms the submission is valid and send users to the gateway.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 * @param array $prepared_payment_form_data
-	 * @param array $shipping
-	 */
-	protected function post_process_submission( $invoice, $prepared_payment_form_data, $shipping ) {
+    /**
+     * Confirms the submission is valid and send users to the gateway.
+     *
+     * @param WPInv_Invoice $invoice
+     * @param array $prepared_payment_form_data
+     * @param array $shipping
+     */
+    protected function post_process_submission( $invoice, $prepared_payment_form_data, $shipping ) {
 
-		// Ensure the invoice exists.
+        // Ensure the invoice exists.
         if ( ! $invoice->exists() ) {
             wp_send_json_error( __( 'An error occured while saving your invoice. Please try again.', 'invoicing' ) );
         }
 
-		// Save payment form data.
-		$prepared_payment_form_data = apply_filters( 'getpaid_prepared_payment_form_data', $prepared_payment_form_data, $invoice );
+        // Save payment form data.
+        $prepared_payment_form_data = apply_filters( 'getpaid_prepared_payment_form_data', $prepared_payment_form_data, $invoice );
         if ( ! empty( $prepared_payment_form_data ) ) {
             update_post_meta( $invoice->get_id(), 'payment_form_data', $prepared_payment_form_data );
-		}
+        }
 
-		// Save payment form data.
+        // Save payment form data.
         if ( ! empty( $shipping ) ) {
             update_post_meta( $invoice->get_id(), 'shipping_address', $shipping );
-		}
+        }
 
-		// Backwards compatibility.
+        // Backwards compatibility.
         add_filter( 'wp_redirect', array( $this, 'send_redirect_response' ) );
 
-		$this->process_payment( $invoice );
+        $this->process_payment( $invoice );
 
         // If we are here, there was an error.
-		wpinv_send_back_to_checkout( $invoice );
+        wpinv_send_back_to_checkout( $invoice );
 
-	}
+    }
 
-	/**
-	 * Processes the actual payment.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	protected function process_payment( $invoice ) {
+    /**
+     * Processes the actual payment.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    protected function process_payment( $invoice ) {
 
-		// Clear any checkout errors.
-		wpinv_clear_errors();
+        // Clear any checkout errors.
+        wpinv_clear_errors();
 
-		// No need to send free invoices to the gateway.
-		if ( $invoice->is_free() ) {
-			$this->process_free_payment( $invoice );
-		}
+        // No need to send free invoices to the gateway.
+        if ( $invoice->is_free() ) {
+            $this->process_free_payment( $invoice );
+        }
 
-		$submission = $this->payment_form_submission;
+        $submission = $this->payment_form_submission;
 
-		// Fires before sending to the gateway.
-		do_action( 'getpaid_checkout_before_gateway', $invoice, $submission );
+        // Fires before sending to the gateway.
+        do_action( 'getpaid_checkout_before_gateway', $invoice, $submission );
 
-		// Allow the sumission data to be modified before it is sent to the gateway.
-		$submission_data    = $submission->get_data();
-		$submission_gateway = apply_filters( 'getpaid_gateway_submission_gateway', $invoice->get_gateway(), $submission, $invoice );
-		$submission_data    = apply_filters( 'getpaid_gateway_submission_data', $submission_data, $submission, $invoice );
+        // Allow the sumission data to be modified before it is sent to the gateway.
+        $submission_data    = $submission->get_data();
+        $submission_gateway = apply_filters( 'getpaid_gateway_submission_gateway', $invoice->get_gateway(), $submission, $invoice );
+        $submission_data    = apply_filters( 'getpaid_gateway_submission_data', $submission_data, $submission, $invoice );
 
-		// Validate the currency.
-		if ( ! apply_filters( "getpaid_gateway_{$submission_gateway}_is_valid_for_currency", true, $invoice->get_currency() ) ) {
-			wpinv_set_error( 'invalid_currency', __( 'The chosen payment gateway does not support this currency', 'invoicing' ) );
-		}
+        // Validate the currency.
+        if ( ! apply_filters( "getpaid_gateway_{$submission_gateway}_is_valid_for_currency", true, $invoice->get_currency() ) ) {
+            wpinv_set_error( 'invalid_currency', __( 'The chosen payment gateway does not support this currency', 'invoicing' ) );
+        }
 
-		// Check to see if we have any errors.
-		if ( wpinv_get_errors() ) {
-			wpinv_send_back_to_checkout( $invoice );
-		}
+        // Check to see if we have any errors.
+        if ( wpinv_get_errors() ) {
+            wpinv_send_back_to_checkout( $invoice );
+        }
 
-		// Send info to the gateway for payment processing
-		do_action( "getpaid_gateway_$submission_gateway", $invoice, $submission_data, $submission );
+        // Send info to the gateway for payment processing
+        do_action( "getpaid_gateway_$submission_gateway", $invoice, $submission_data, $submission );
 
-		// Backwards compatibility.
-		wpinv_send_to_gateway( $submission_gateway, $invoice );
+        // Backwards compatibility.
+        wpinv_send_to_gateway( $submission_gateway, $invoice );
 
-	}
+    }
 
-	/**
-	 * Marks the invoice as paid in case the checkout is free.
-	 *
-	 * @param WPInv_Invoice $invoice
-	 */
-	protected function process_free_payment( $invoice ) {
+    /**
+     * Marks the invoice as paid in case the checkout is free.
+     *
+     * @param WPInv_Invoice $invoice
+     */
+    protected function process_free_payment( $invoice ) {
 
-		$invoice->set_gateway( 'none' );
-		$invoice->add_note( __( "This is a free invoice and won't be sent to the payment gateway", 'invoicing' ), false, false, true );
-		$invoice->mark_paid();
-		wpinv_send_to_success_page( array( 'invoice_key' => $invoice->get_key() ) );
+        $invoice->set_gateway( 'none' );
+        $invoice->add_note( __( "This is a free invoice and won't be sent to the payment gateway", 'invoicing' ), false, false, true );
+        $invoice->mark_paid();
+        wpinv_send_to_success_page( array( 'invoice_key' => $invoice->get_key() ) );
 
-	}
+    }
 
-	/**
+    /**
      * Sends a redrect response to payment details.
      *
      */

includes/admin/views/wizard-header.php

Indentation +4 added lines, -4 removed lines

@@ -20,13 +20,13 @@
 			<title><?php esc_html_e( 'GetPaid &rsaquo; Setup Wizard', 'invoicing' ); ?></title>
 			<?php
                 getpaid_admin()->enqeue_scripts();
-				wp_enqueue_style( 'font-awesome', 'https://use.fontawesome.com/releases/v5.13.0/css/all.css', array(), 'v5.13.0' );
-				wp_print_styles( 'select2' );
+                wp_enqueue_style( 'font-awesome', 'https://use.fontawesome.com/releases/v5.13.0/css/all.css', array(), 'v5.13.0' );
+                wp_print_styles( 'select2' );
                 wp_print_scripts( 'select2' );
-				wp_print_scripts( 'wpinv-admin-script' );
+                wp_print_scripts( 'wpinv-admin-script' );
                 do_action( 'admin_print_styles' );
                 do_action( 'admin_head' );
-			?>
+            ?>
 			<style>
 				body, p{
 					font-size: 16px;

includes/admin/class-getpaid-admin-setup-wizard.php

Indentation +382 added lines, -382 removed lines

@@ -17,394 +17,394 @@
  */
 class GetPaid_Admin_Setup_Wizard {
 
-	/**
-	 * @var string Current Step
-	 */
-	protected $step = '';
-
-	/**
-	 * @var string|false Previous Step
-	 */
-	protected $previous_step = '';
-
-	/**
-	 * @var string|false Next Step
-	 */
-	protected $next_step = '';
-
-	/**
-	 * @var array All available steps for the setup wizard 
-	 */
-	protected $steps = array();
-
-	/**
-	 * Class constructor.
-	 *
-	 * @since 2.4.0
-	 */
-	public function __construct() {
-
-		if ( apply_filters( 'getpaid_enable_setup_wizard', true ) && wpinv_current_user_can_manage_invoicing() ) {
-			add_action( 'admin_menu', array( $this, 'add_menu' ) );
-			add_action( 'current_screen', array( $this, 'setup_wizard' ) );
-		}
-
-	}
-
-	/**
-	 * Add admin menus/screens.
-	 *
-	 * @since 2.4.0
-	 */
-	public function add_menu() {
-		add_dashboard_page( '', '', wpinv_get_capability(), 'gp-setup', '' );
-	}
-
-	/**
-	 * Sets up the setup wizard.
-	 *
-	 * @since 2.4.0
-	 */
-	public function setup_wizard() {
-
-		if ( isset( $_GET['page'] ) && 'gp-setup' === $_GET['page'] ) {
-			$this->setup_globals();
-			$this->maybe_save_current_step();
-			$this->display_wizard();
-			exit;
-		}
-
-	}
-
-	/**
-	 * Sets up class variables.
-	 *
-	 * @since 2.4.0
-	 */
-	protected function setup_globals() {
-		$this->steps         = $this->get_setup_steps();
-		$this->step          = $this->get_current_step();
-		$this->previous_step = $this->get_previous_step();
-		$this->next_step     = $this->get_next_step();
-	}
-
-	/**
-	 * Saves the current step.
-	 *
-	 * @since 2.4.0
-	 */
-	protected function maybe_save_current_step() {
-		if ( ! empty( $_POST['save_step'] ) && is_callable( $this->steps[ $this->step ]['handler'] ) ) {
-			call_user_func( $this->steps[ $this->step ]['handler'], $this );
-		}
-	}
-
-	/**
-	 * Returns the setup steps.
-	 *
-	 * @since 2.4.0
-	 * @return array
-	 */
-	protected function get_setup_steps() {
-
-		$steps = array(
-
-			'introduction'     => array(
-				'name'    => __( 'Introduction', 'invoicing' ),
-				'view'    => array( $this, 'setup_introduction' ),
-				'handler' => '',
-			),
-
-			'business_details'             => array(
-				'name'    => __( "Business Details", 'invoicing' ),
-				'view'    => array( $this, 'setup_business' ),
-				'handler' => array( $this, 'setup_business_save' ),
-			),
-
-			'currency' => array(
-				'name'    => __( 'Currency', 'invoicing' ),
-				'view'    => array( $this, 'setup_currency' ),
-				'handler' => array( $this, 'setup_currency_save' ),
-			),
-
-			'payments'        => array(
-				'name'    => __( 'Payment Gateways', 'invoicing' ),
-				'view'    => array( $this, 'setup_payments' ),
-				'handler' => array( $this, 'setup_payments_save' ),
-			),
-
-			'recommend'          => array(
-				'name'    => __( 'Recommend', 'invoicing' ),
-				'view'    => array( $this, 'setup_recommend' ),
-				'handler' => array( $this, 'setup_recommend_save' ),
-			),
-
-			'next_steps'       => array(
-				'name'    => __( 'Get Paid', 'invoicing' ),
-				'view'    => array( $this, 'setup_ready' ),
-				'handler' => '',
-			),
-
-		);
-
-		return apply_filters( 'getpaid_setup_wizard_steps', $steps );
-
-	}
-
-	/**
-	 * Returns the current step.
-	 *
-	 * @since 2.4.0
-	 * @return string
-	 */
-	protected function get_current_step() {
-		$step = isset( $_GET['step'] ) ? sanitize_key( $_GET['step'] ) : '';
-		return ! empty( $step ) && in_array( $step, array_keys( $this->steps ) ) ? $step : current( array_keys( $this->steps ) );
-	}
-
-	/**
-	 * Returns the previous step.
-	 *
-	 * @since 2.4.0
-	 * @return string|false
-	 */
-	protected function get_previous_step() {
-
-		$previous = false;
-		$current  = $this->step;
-		foreach ( array_keys( $this->steps ) as $step ) {
-			if ( $current === $step ) {
-				return $previous;
-			}
-
-			$previous = $step;
-		}
-
-		return false;
-	}
-
-	/**
-	 * Returns the next step.
-	 *
-	 * @since 2.4.0
-	 * @return string|false
-	 */
-	protected function get_next_step() {
-
-		$on_current = false;
-		$current    = $this->step;
-		foreach ( array_keys( $this->steps ) as $step ) {
-
-			if ( $on_current ) {
-				return $step;
-			}
-
-			if ( $current === $step ) {
-				return $on_current = true;
-			}
-
-		}
-
-		return false;
-	}
-
-	/**
-	 * Displays the setup wizard.
-	 *
-	 * @since 2.4.0
-	 */
-	public function display_wizard() {
-		$this->display_header();
-		$this->display_current_step();
-		$this->display_footer();
-	}
-
-	/**
-	 * Displays the Wizard Header.
-	 *
-	 * @since 2.0.0
-	 */
-	public function display_header() {
-		$steps     = $this->steps;
-		$current   = $this->step;
-		$next_step = $this->next_step;
-		array_shift( $steps );
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-header.php';
-	}
-
-	/**
-	 * Displays the content for the current step.
-	 *
-	 * @since 2.4.0
-	 */
-	public function display_current_step() {
-		?>
+    /**
+     * @var string Current Step
+     */
+    protected $step = '';
+
+    /**
+     * @var string|false Previous Step
+     */
+    protected $previous_step = '';
+
+    /**
+     * @var string|false Next Step
+     */
+    protected $next_step = '';
+
+    /**
+     * @var array All available steps for the setup wizard 
+     */
+    protected $steps = array();
+
+    /**
+     * Class constructor.
+     *
+     * @since 2.4.0
+     */
+    public function __construct() {
+
+        if ( apply_filters( 'getpaid_enable_setup_wizard', true ) && wpinv_current_user_can_manage_invoicing() ) {
+            add_action( 'admin_menu', array( $this, 'add_menu' ) );
+            add_action( 'current_screen', array( $this, 'setup_wizard' ) );
+        }
+
+    }
+
+    /**
+     * Add admin menus/screens.
+     *
+     * @since 2.4.0
+     */
+    public function add_menu() {
+        add_dashboard_page( '', '', wpinv_get_capability(), 'gp-setup', '' );
+    }
+
+    /**
+     * Sets up the setup wizard.
+     *
+     * @since 2.4.0
+     */
+    public function setup_wizard() {
+
+        if ( isset( $_GET['page'] ) && 'gp-setup' === $_GET['page'] ) {
+            $this->setup_globals();
+            $this->maybe_save_current_step();
+            $this->display_wizard();
+            exit;
+        }
+
+    }
+
+    /**
+     * Sets up class variables.
+     *
+     * @since 2.4.0
+     */
+    protected function setup_globals() {
+        $this->steps         = $this->get_setup_steps();
+        $this->step          = $this->get_current_step();
+        $this->previous_step = $this->get_previous_step();
+        $this->next_step     = $this->get_next_step();
+    }
+
+    /**
+     * Saves the current step.
+     *
+     * @since 2.4.0
+     */
+    protected function maybe_save_current_step() {
+        if ( ! empty( $_POST['save_step'] ) && is_callable( $this->steps[ $this->step ]['handler'] ) ) {
+            call_user_func( $this->steps[ $this->step ]['handler'], $this );
+        }
+    }
+
+    /**
+     * Returns the setup steps.
+     *
+     * @since 2.4.0
+     * @return array
+     */
+    protected function get_setup_steps() {
+
+        $steps = array(
+
+            'introduction'     => array(
+                'name'    => __( 'Introduction', 'invoicing' ),
+                'view'    => array( $this, 'setup_introduction' ),
+                'handler' => '',
+            ),
+
+            'business_details'             => array(
+                'name'    => __( "Business Details", 'invoicing' ),
+                'view'    => array( $this, 'setup_business' ),
+                'handler' => array( $this, 'setup_business_save' ),
+            ),
+
+            'currency' => array(
+                'name'    => __( 'Currency', 'invoicing' ),
+                'view'    => array( $this, 'setup_currency' ),
+                'handler' => array( $this, 'setup_currency_save' ),
+            ),
+
+            'payments'        => array(
+                'name'    => __( 'Payment Gateways', 'invoicing' ),
+                'view'    => array( $this, 'setup_payments' ),
+                'handler' => array( $this, 'setup_payments_save' ),
+            ),
+
+            'recommend'          => array(
+                'name'    => __( 'Recommend', 'invoicing' ),
+                'view'    => array( $this, 'setup_recommend' ),
+                'handler' => array( $this, 'setup_recommend_save' ),
+            ),
+
+            'next_steps'       => array(
+                'name'    => __( 'Get Paid', 'invoicing' ),
+                'view'    => array( $this, 'setup_ready' ),
+                'handler' => '',
+            ),
+
+        );
+
+        return apply_filters( 'getpaid_setup_wizard_steps', $steps );
+
+    }
+
+    /**
+     * Returns the current step.
+     *
+     * @since 2.4.0
+     * @return string
+     */
+    protected function get_current_step() {
+        $step = isset( $_GET['step'] ) ? sanitize_key( $_GET['step'] ) : '';
+        return ! empty( $step ) && in_array( $step, array_keys( $this->steps ) ) ? $step : current( array_keys( $this->steps ) );
+    }
+
+    /**
+     * Returns the previous step.
+     *
+     * @since 2.4.0
+     * @return string|false
+     */
+    protected function get_previous_step() {
+
+        $previous = false;
+        $current  = $this->step;
+        foreach ( array_keys( $this->steps ) as $step ) {
+            if ( $current === $step ) {
+                return $previous;
+            }
+
+            $previous = $step;
+        }
+
+        return false;
+    }
+
+    /**
+     * Returns the next step.
+     *
+     * @since 2.4.0
+     * @return string|false
+     */
+    protected function get_next_step() {
+
+        $on_current = false;
+        $current    = $this->step;
+        foreach ( array_keys( $this->steps ) as $step ) {
+
+            if ( $on_current ) {
+                return $step;
+            }
+
+            if ( $current === $step ) {
+                return $on_current = true;
+            }
+
+        }
+
+        return false;
+    }
+
+    /**
+     * Displays the setup wizard.
+     *
+     * @since 2.4.0
+     */
+    public function display_wizard() {
+        $this->display_header();
+        $this->display_current_step();
+        $this->display_footer();
+    }
+
+    /**
+     * Displays the Wizard Header.
+     *
+     * @since 2.0.0
+     */
+    public function display_header() {
+        $steps     = $this->steps;
+        $current   = $this->step;
+        $next_step = $this->next_step;
+        array_shift( $steps );
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-header.php';
+    }
+
+    /**
+     * Displays the content for the current step.
+     *
+     * @since 2.4.0
+     */
+    public function display_current_step() {
+        ?>
 			<div class="gp-setup-content rowx mw-100 text-center mb-3">
 				<div class="col-12 col-md-5 m-auto">
 					<?php call_user_func( $this->steps[ $this->step ]['view'], $this ); ?>
 				</div>
 			</div>
 		<?php
-	}
-
-	/**
-	 * Setup Wizard Footer.
-	 *
-	 * @since 2.4.0
-	 */
-	public function display_footer() {
-		echo '</body></html>';
-	}
-
-	/**
-	 * Introduction step.
-	 *
-	 * @since 2.0.0
-	 */
-	public function setup_introduction() {
-		$next_url = $this->get_next_step_link();
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-introduction.php';
-	}
-
-	/**
-	 * Get the URL for the next step's screen.
-	 *
-	 * @param string step   slug (default: current step)
-	 *
-	 * @return string       URL for next step if a next step exists.
-	 *                      Admin URL if it's the last step.
-	 *                      Empty string on failure.
-	 * @since 3.0.0
-	 */
-	public function get_next_step_link( $step = '' ) {
-		if ( ! $step ) {
-			$step = $this->step;
-		}
-
-		$keys = array_keys( $this->steps );
-		if ( end( $keys ) === $step ) {
-			return admin_url();
-		}
-
-		$step_index = array_search( $step, $keys );
-		if ( false === $step_index ) {
-			return '';
-		}
-
-		return remove_query_arg('settings-updated', add_query_arg( 'step', $keys[ $step_index + 1 ] ));
-	}
-
-	/**
-	 * Setup maps api.
-	 *
-	 * @since 2.0.0
-	 */
-	public function setup_business() {
-		$next_url = $this->get_next_step_link();
-		$wizard   = $this;
-		$page     = 'wpinv_settings_general_main';
-		$section  = 'wpinv_settings_general_main';
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-settings.php';
-	}
-
-	/**
-	 * Default Location settings.
-	 *
-	 * @since 2.0.0
-	 */
-	public function setup_currency() {
-		$next_url = $this->get_next_step_link();
-		$wizard   = $this;
-		$page     = 'wpinv_settings_general_currency_section';
-		$section  = 'wpinv_settings_general_currency_section';
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-settings.php';
-	}
-
-	/**
-	 * Installation of recommended plugins.
-	 *
-	 * @since 1.0.0
-	 */
-	public function setup_recommend() {
-		$next_url            = $this->get_next_step_link();
-		$recommended_plugins = self::get_recommend_wp_plugins();
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-plugins.php';
-	}
-
-	/**
-	 * A list of recommended wp.org plugins.
-	 * @return array
-	 */
-	public static function get_recommend_wp_plugins(){
-		return array(
-			'ayecode-connect' => array(
-				'file'   => 'ayecode-connect/ayecode-connect.php',
-				'url'    => 'https://wordpress.org/plugins/ayecode-connect/',
-				'slug'   => 'ayecode-connect',
-				'name'   => 'AyeCode Connect',
-				'desc'   => __( 'Documentation and Support from within your WordPress admin.', 'geodirectory' ),
-			),
-			'invoicing-quotes' => array(
-				'file'   => 'invoicing-quotes/wpinv-quote.php',
-				'url'    => 'https://wordpress.org/plugins/invoicing-quotes/',
-				'slug'   => 'invoicing-quotes',
-				'name'   => 'Customer Quotes',
-				'desc'   => __('Create & Send Quotes to Customers and have them accept and pay.','geodirectory'),
-			),
-			'userswp'    => array(
-				'file'   => 'userswp/userswp.php',
-				'url'    => 'https://wordpress.org/plugins/userswp/',
-				'slug'   => 'userswp',
-				'name'   => 'UsersWP',
-				'desc'   => __('Frontend user login and registration as well as slick profile pages.','geodirectory'),
-			),
-		);
-	}
-
-	/**
-	 * Dummy data save.
-	 *
-	 * This is done via ajax so we just pass onto the next step.
-	 *
-	 * @since 2.0.0
-	 */
-	public function setup_recommend_save() {
-		check_admin_referer( 'gp-setup' );
-		wp_redirect( esc_url_raw( $this->get_next_step_link() ) );
-		exit;
-	}
-
-	/**
-	 * Dummy Data setup.
-	 *
-	 * @since 2.4.0
-	 */
-	public function setup_payments() {
-		$next_url = $this->get_next_step_link();
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-gateways.php';
-	}
-
-	/**
-	 * Dummy data save.
-	 *
-	 * This is done via ajax so we just pass onto the next step.
-	 *
-	 * @since 2.0.0
-	 */
-	public function setup_payments_save() {
-		check_admin_referer( 'gp-setup' );
-		wp_redirect( esc_url_raw( $this->get_next_step_link() ) );
-		exit;
-	}
-
-	/**
-	 * Final step.
-	 *
-	 * @since 2.0.0
-	 */
-	public function setup_ready() {
-		include plugin_dir_path( __FILE__ ) . 'views/wizard-thank-you.php';
-	}
+    }
+
+    /**
+     * Setup Wizard Footer.
+     *
+     * @since 2.4.0
+     */
+    public function display_footer() {
+        echo '</body></html>';
+    }
+
+    /**
+     * Introduction step.
+     *
+     * @since 2.0.0
+     */
+    public function setup_introduction() {
+        $next_url = $this->get_next_step_link();
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-introduction.php';
+    }
+
+    /**
+     * Get the URL for the next step's screen.
+     *
+     * @param string step   slug (default: current step)
+     *
+     * @return string       URL for next step if a next step exists.
+     *                      Admin URL if it's the last step.
+     *                      Empty string on failure.
+     * @since 3.0.0
+     */
+    public function get_next_step_link( $step = '' ) {
+        if ( ! $step ) {
+            $step = $this->step;
+        }
+
+        $keys = array_keys( $this->steps );
+        if ( end( $keys ) === $step ) {
+            return admin_url();
+        }
+
+        $step_index = array_search( $step, $keys );
+        if ( false === $step_index ) {
+            return '';
+        }
+
+        return remove_query_arg('settings-updated', add_query_arg( 'step', $keys[ $step_index + 1 ] ));
+    }
+
+    /**
+     * Setup maps api.
+     *
+     * @since 2.0.0
+     */
+    public function setup_business() {
+        $next_url = $this->get_next_step_link();
+        $wizard   = $this;
+        $page     = 'wpinv_settings_general_main';
+        $section  = 'wpinv_settings_general_main';
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-settings.php';
+    }
+
+    /**
+     * Default Location settings.
+     *
+     * @since 2.0.0
+     */
+    public function setup_currency() {
+        $next_url = $this->get_next_step_link();
+        $wizard   = $this;
+        $page     = 'wpinv_settings_general_currency_section';
+        $section  = 'wpinv_settings_general_currency_section';
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-settings.php';
+    }
+
+    /**
+     * Installation of recommended plugins.
+     *
+     * @since 1.0.0
+     */
+    public function setup_recommend() {
+        $next_url            = $this->get_next_step_link();
+        $recommended_plugins = self::get_recommend_wp_plugins();
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-plugins.php';
+    }
+
+    /**
+     * A list of recommended wp.org plugins.
+     * @return array
+     */
+    public static function get_recommend_wp_plugins(){
+        return array(
+            'ayecode-connect' => array(
+                'file'   => 'ayecode-connect/ayecode-connect.php',
+                'url'    => 'https://wordpress.org/plugins/ayecode-connect/',
+                'slug'   => 'ayecode-connect',
+                'name'   => 'AyeCode Connect',
+                'desc'   => __( 'Documentation and Support from within your WordPress admin.', 'geodirectory' ),
+            ),
+            'invoicing-quotes' => array(
+                'file'   => 'invoicing-quotes/wpinv-quote.php',
+                'url'    => 'https://wordpress.org/plugins/invoicing-quotes/',
+                'slug'   => 'invoicing-quotes',
+                'name'   => 'Customer Quotes',
+                'desc'   => __('Create & Send Quotes to Customers and have them accept and pay.','geodirectory'),
+            ),
+            'userswp'    => array(
+                'file'   => 'userswp/userswp.php',
+                'url'    => 'https://wordpress.org/plugins/userswp/',
+                'slug'   => 'userswp',
+                'name'   => 'UsersWP',
+                'desc'   => __('Frontend user login and registration as well as slick profile pages.','geodirectory'),
+            ),
+        );
+    }
+
+    /**
+     * Dummy data save.
+     *
+     * This is done via ajax so we just pass onto the next step.
+     *
+     * @since 2.0.0
+     */
+    public function setup_recommend_save() {
+        check_admin_referer( 'gp-setup' );
+        wp_redirect( esc_url_raw( $this->get_next_step_link() ) );
+        exit;
+    }
+
+    /**
+     * Dummy Data setup.
+     *
+     * @since 2.4.0
+     */
+    public function setup_payments() {
+        $next_url = $this->get_next_step_link();
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-gateways.php';
+    }
+
+    /**
+     * Dummy data save.
+     *
+     * This is done via ajax so we just pass onto the next step.
+     *
+     * @since 2.0.0
+     */
+    public function setup_payments_save() {
+        check_admin_referer( 'gp-setup' );
+        wp_redirect( esc_url_raw( $this->get_next_step_link() ) );
+        exit;
+    }
+
+    /**
+     * Final step.
+     *
+     * @since 2.0.0
+     */
+    public function setup_ready() {
+        include plugin_dir_path( __FILE__ ) . 'views/wizard-thank-you.php';
+    }
 
 }
 

includes/admin/class-getpaid-admin.php

Indentation +506 added lines, -506 removed lines

@@ -14,88 +14,88 @@ 
 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' ) );
         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_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_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_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;
-			}
-		}
+        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_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() {
+     * 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.
@@ -116,54 +116,54 @@ 
         }
 
         // 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(),
@@ -183,118 +183,118 @@ 
             '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.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' ),  $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' ),  $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(),
             )
         );
 
@@ -303,20 +303,20 @@ 
     }
 
     /**
-	 * 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' ) ) {
@@ -325,59 +325,59 @@ 
 
         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(){
 
         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( 'admin.php?page=wpinv-settings&tab=general' ) );
         exit;
 
-	}
+    }
 
     /**
      * Fires an admin action after verifying that a user can fire them.
@@ -391,416 +391,416 @@ 
 
     }
 
-	/**
+    /**
      * Sends a payment reminder to a customer.
-	 * 
-	 * @param array $args
+     * 
+     * @param array $args
      */
     public function send_customer_invoice( $args ) {
-		$sent = getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $args['invoice_id'] ), true );
+        $sent = getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $args['invoice_id'] ), true );
 
-		if ( $sent ) {
-			$this->show_success( __( 'Invoice was successfully sent to the customer', 'invoicing' ) );
-		} else {
-			$this->show_error( __( 'Could not send the invoice to the customer', 'invoicing' ) );
-		}
+        if ( $sent ) {
+            $this->show_success( __( 'Invoice was successfully sent to the customer', 'invoicing' ) );
+        } else {
+            $this->show_error( __( 'Could not send the invoice 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;
+    }
 
-	/**
+    /**
      * 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' ),
-			'invoices' => __( 'Invoices', 'invoicing' ),
-			'total'    => __( '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' ),
+            'invoices' => __( 'Invoices', 'invoicing' ),
+            'total'    => __( '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 = sanitize_text_field( $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 = sanitize_text_field( $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 = sanitize_text_field( get_user_meta( $user->ID, '_wpinv_' . $column, true ) );
-				}
+                if ( empty( $value ) ) {
+                    $value = sanitize_text_field( 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( 'wp-admin/plugins.php' );
-		wp_safe_redirect( $redirect );
-		exit;
+        $redirect = isset( $data['redirect'] ) ? esc_url_raw( $data['redirect'] ) : admin_url( 'wp-admin/plugins.php' );
+        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;
+            }
 
-		}
+        }
 
-	}
+    }
 
 }

includes/admin/admin-pages.php

Indentation +6 added lines, -6 removed lines

@@ -57,8 +57,8 @@ 
             'getpaid-nonce',
             'getpaid-nonce'
         );
-		$anchor = __( 'Deactivate', 'invoicing' );
-		$title  = esc_attr__( 'Are you sure you want to deactivate this discount?', 'invoicing' );
+        $anchor = __( 'Deactivate', 'invoicing' );
+        $title  = esc_attr__( 'Are you sure you want to deactivate this discount?', 'invoicing' );
         $row_actions['deactivate'] = "<a href='$url' onclick='return confirm(\"$title\")'>$anchor</a>";
 
     } else if( in_array( strtolower( $discount->post_status ),  array( 'pending', 'draft' ) ) ) {
@@ -73,8 +73,8 @@ 
             'getpaid-nonce',
             'getpaid-nonce'
         );
-		$anchor = __( 'Activate', 'invoicing' );
-		$title  = esc_attr__( 'Are you sure you want to activate this discount?', 'invoicing' );
+        $anchor = __( 'Activate', 'invoicing' );
+        $title  = esc_attr__( 'Are you sure you want to activate this discount?', 'invoicing' );
         $row_actions['activate'] = "<a href='$url' onclick='return confirm(\"$title\")'>$anchor</a>";
 
     }
@@ -91,8 +91,8 @@ 
             'getpaid-nonce'
         )
     );
-	$anchor = __( 'Delete', 'invoicing' );
-	$title  = esc_attr__( 'Are you sure you want to delete this discount?', 'invoicing' );
+    $anchor = __( 'Delete', 'invoicing' );
+    $title  = esc_attr__( 'Are you sure you want to delete this discount?', 'invoicing' );
     $row_actions['delete'] = "<a href='$url' onclick='return confirm(\"$title\")'>$anchor</a>";
 
     $row_actions = apply_filters( 'wpinv_discount_row_actions', $row_actions, $discount );

includes/admin/register-settings.php

Indentation +296 added lines, -296 removed lines

@@ -195,13 +195,13 @@ 
     $name       = isset( $option['name'] ) ? $option['name'] : '';
     $cb         = "wpinv_{$option['type']}_callback";
     $section    = "wpinv_settings_{$tab}_$section";
-	$is_wizzard = is_admin() && isset( $_GET['page'] ) && 'gp-setup' == $_GET['page'];
+    $is_wizzard = is_admin() && isset( $_GET['page'] ) && 'gp-setup' == $_GET['page'];
 
-	if ( isset( $option['desc'] ) && ( ! $is_wizzard && ! empty( $option['help-tip'] ) ) ) {
-		$tip   = wpinv_clean( $option['desc'] );
-		$name .= "<span class='dashicons dashicons-editor-help wpi-help-tip' title='$tip'></span>";
-		unset( $option['desc'] );
-	}
+    if ( isset( $option['desc'] ) && ( ! $is_wizzard && ! empty( $option['help-tip'] ) ) ) {
+        $tip   = wpinv_clean( $option['desc'] );
+        $name .= "<span class='dashicons dashicons-editor-help wpi-help-tip' title='$tip'></span>";
+        unset( $option['desc'] );
+    }
 
     // Loop through all tabs.
     add_settings_field(
@@ -228,9 +228,9 @@ 
             'faux'        => isset( $option['faux'] )        ? $option['faux']        : false,
             'onchange'    => isset( $option['onchange'] )   ? $option['onchange']     : '',
             'custom'      => isset( $option['custom'] )     ? $option['custom']       : '',
-			'default_content' => isset( $option['default_content'] )     ? $option['default_content']       : '',
-			'class'       => isset( $option['class'] )     ? $option['class']         : '',
-			'style'       => isset( $option['style'] )     ? $option['style']         : '',
+            'default_content' => isset( $option['default_content'] )     ? $option['default_content']       : '',
+            'class'       => isset( $option['class'] )     ? $option['class']         : '',
+            'style'       => isset( $option['style'] )     ? $option['style']         : '',
             'cols'        => isset( $option['cols'] ) && (int) $option['cols'] > 0 ? (int) $option['cols'] : 50,
             'rows'        => isset( $option['rows'] ) && (int) $option['rows'] > 0 ? (int) $option['rows'] : 5,
         )
@@ -244,7 +244,7 @@ 
  * @return array
  */
 function wpinv_get_registered_settings() {
-	return array_filter( apply_filters( 'wpinv_registered_settings', wpinv_get_data( 'admin-settings' ) ) );
+    return array_filter( apply_filters( 'wpinv_registered_settings', wpinv_get_data( 'admin-settings' ) ) );
 }
 
 /**
@@ -263,11 +263,11 @@ 
  */
 function wpinv_settings_sanitize( $input = array() ) {
 
-	$wpinv_options = wpinv_get_options();
-	$raw_referrer  = wp_get_raw_referer();
+    $wpinv_options = wpinv_get_options();
+    $raw_referrer  = wp_get_raw_referer();
 
     if ( empty( $raw_referrer ) ) {
-		return array_merge( $wpinv_options, $input );
+        return array_merge( $wpinv_options, $input );
     }
 
     wp_parse_str( $raw_referrer, $referrer );
@@ -292,10 +292,10 @@ 
         }
 
         // General filter
-		$input[ $key ] = apply_filters( 'wpinv_settings_sanitize', $input[ $key ], $key );
+        $input[ $key ] = apply_filters( 'wpinv_settings_sanitize', $input[ $key ], $key );
 
-		// Key specific filter.
-		$input[ $key ] = apply_filters( "wpinv_settings_sanitize_$key", $input[ $key ] );
+        // Key specific filter.
+        $input[ $key ] = apply_filters( "wpinv_settings_sanitize_$key", $input[ $key ] );
     }
 
     // Loop through the whitelist and unset any that are empty for the tab being saved
@@ -338,14 +338,14 @@ 
 
     foreach ( $new_rates as $rate ) {
 
-		$rate['rate']    = wpinv_sanitize_amount( $rate['rate'] );
-		$rate['name']    = sanitize_text_field( $rate['name'] );
-		$rate['state']   = sanitize_text_field( $rate['state'] );
-		$rate['country'] = sanitize_text_field( $rate['country'] );
-		$rate['global']  = empty( $rate['state'] );
-		$tax_rates[]     = $rate;
+        $rate['rate']    = wpinv_sanitize_amount( $rate['rate'] );
+        $rate['name']    = sanitize_text_field( $rate['name'] );
+        $rate['state']   = sanitize_text_field( $rate['state'] );
+        $rate['country'] = sanitize_text_field( $rate['country'] );
+        $rate['global']  = empty( $rate['state'] );
+        $tax_rates[]     = $rate;
 
-	}
+    }
 
     update_option( 'wpinv_tax_rates', $tax_rates );
 
@@ -358,11 +358,11 @@ 
     $tabs['general']  = __( 'General', 'invoicing' );
     $tabs['gateways'] = __( 'Payment Gateways', 'invoicing' );
     $tabs['taxes']    = __( 'Taxes', 'invoicing' );
-	$tabs['emails']   = __( 'Emails', 'invoicing' );
+    $tabs['emails']   = __( 'Emails', 'invoicing' );
 
-	if ( count( getpaid_get_integration_settings() ) > 0 ) {
-		$tabs['integrations'] = __( 'Integrations', 'invoicing' );
-	}
+    if ( count( getpaid_get_integration_settings() ) > 0 ) {
+        $tabs['integrations'] = __( 'Integrations', 'invoicing' );
+    }
 
     $tabs['privacy']  = __( 'Privacy', 'invoicing' );
     $tabs['misc']     = __( 'Misc', 'invoicing' );
@@ -401,14 +401,14 @@ 
         ) ),
         'taxes' => apply_filters( 'wpinv_settings_sections_taxes', array(
             'main'  => __( 'Tax Settings', 'invoicing' ),
-			'rates' => __( 'Tax Rates', 'invoicing' ),
-			'vat'   => __( 'EU VAT Settings', 'invoicing' )
+            'rates' => __( 'Tax Rates', 'invoicing' ),
+            'vat'   => __( 'EU VAT Settings', 'invoicing' )
         ) ),
         'emails' => apply_filters( 'wpinv_settings_sections_emails', array(
             'main' => __( 'Email Settings', 'invoicing' ),
-		) ),
+        ) ),
 
-		'integrations' => wp_list_pluck( getpaid_get_integration_settings(), 'label', 'id' ),
+        'integrations' => wp_list_pluck( getpaid_get_integration_settings(), 'label', 'id' ),
 
         'privacy' => apply_filters( 'wpinv_settings_sections_privacy', array(
             'main' => __( 'Privacy policy', 'invoicing' ),
@@ -428,48 +428,48 @@ 
 }
 
 function wpinv_get_pages( $with_slug = false, $default_label = NULL ) {
-	$pages_options = array();
+    $pages_options = array();
 
-	if( $default_label !== NULL && $default_label !== false ) {
-		$pages_options = array( '' => $default_label ); // Blank option
-	}
+    if( $default_label !== NULL && $default_label !== false ) {
+        $pages_options = array( '' => $default_label ); // Blank option
+    }
 
-	$pages = get_pages();
-	if ( $pages ) {
-		foreach ( $pages as $page ) {
-			$title = $with_slug ? $page->post_title . ' (' . $page->post_name . ')' : $page->post_title;
+    $pages = get_pages();
+    if ( $pages ) {
+        foreach ( $pages as $page ) {
+            $title = $with_slug ? $page->post_title . ' (' . $page->post_name . ')' : $page->post_title;
             $pages_options[ $page->ID ] = $title;
-		}
-	}
+        }
+    }
 
-	return $pages_options;
+    return $pages_options;
 }
 
 function wpinv_header_callback( $args ) {
-	if ( !empty( $args['desc'] ) ) {
+    if ( !empty( $args['desc'] ) ) {
         echo $args['desc'];
     }
 }
 
 function wpinv_hidden_callback( $args ) {
 
-	$std     = isset( $args['std'] ) ? $args['std'] : '';
-	$value   = wpinv_get_option( $args['id'], $std );
+    $std     = isset( $args['std'] ) ? $args['std'] : '';
+    $value   = wpinv_get_option( $args['id'], $std );
 
-	if ( isset( $args['set_value'] ) ) {
-		$value = $args['set_value'];
-	}
+    if ( isset( $args['set_value'] ) ) {
+        $value = $args['set_value'];
+    }
 
-	if ( isset( $args['faux'] ) && true === $args['faux'] ) {
-		$args['readonly'] = true;
-		$name  = '';
-	} else {
-		$name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
-	}
+    if ( isset( $args['faux'] ) && true === $args['faux'] ) {
+        $args['readonly'] = true;
+        $name  = '';
+    } else {
+        $name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
+    }
 
-	$html = '<input type="hidden" id="wpinv_settings[' . wpinv_sanitize_key( $args['id'] ) . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '" />';
+    $html = '<input type="hidden" id="wpinv_settings[' . wpinv_sanitize_key( $args['id'] ) . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '" />';
     
-	echo $html;
+    echo $html;
 }
 
 /**
@@ -477,12 +477,12 @@ 
  */
 function wpinv_checkbox_callback( $args ) {
 
-	$std = isset( $args['std'] ) ? $args['std'] : '';
-	$std = wpinv_get_option( $args['id'], $std );
-	$id  = esc_attr( $args['id'] );
+    $std = isset( $args['std'] ) ? $args['std'] : '';
+    $std = wpinv_get_option( $args['id'], $std );
+    $id  = esc_attr( $args['id'] );
 
-	getpaid_hidden_field( "wpinv_settings[$id]", '0' );
-	?>
+    getpaid_hidden_field( "wpinv_settings[$id]", '0' );
+    ?>
 		<fieldset>
 			<label>
 				<input id="wpinv-settings-<?php echo $id; ?>" name="wpinv_settings[<?php echo $id; ?>]" <?php checked( empty( $std ), false ); ?> value="1" type="checkbox">
@@ -494,75 +494,75 @@ 
 
 function wpinv_multicheck_callback( $args ) {
 
-	$sanitize_id = wpinv_sanitize_key( $args['id'] );
-	$class = !empty( $args['class'] ) ? ' ' . esc_attr( $args['class'] ) : '';
+    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $class = !empty( $args['class'] ) ? ' ' . esc_attr( $args['class'] ) : '';
 
-	if ( ! empty( $args['options'] ) ) {
+    if ( ! empty( $args['options'] ) ) {
 
-		$std     = isset( $args['std'] ) ? $args['std'] : array();
-		$value   = wpinv_get_option( $args['id'], $std );
+        $std     = isset( $args['std'] ) ? $args['std'] : array();
+        $value   = wpinv_get_option( $args['id'], $std );
 
-		echo '<div class="wpi-mcheck-rows wpi-mcheck-' . $sanitize_id . $class . '">';
+        echo '<div class="wpi-mcheck-rows wpi-mcheck-' . $sanitize_id . $class . '">';
         foreach( $args['options'] as $key => $option ):
-			$sanitize_key = wpinv_sanitize_key( $key );
-			if ( in_array( $sanitize_key, $value ) ) { 
-				$enabled = $sanitize_key;
-			} else { 
-				$enabled = NULL; 
-			}
-			echo '<div class="wpi-mcheck-row"><input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $sanitize_key ) . '" ' . checked( $sanitize_key, $enabled, false ) . '/>&nbsp;';
-			echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . wp_kses_post( $option ) . '</label></div>';
-		endforeach;
-		echo '</div>';
-		echo '<p class="description">' . $args['desc'] . '</p>';
-	}
+            $sanitize_key = wpinv_sanitize_key( $key );
+            if ( in_array( $sanitize_key, $value ) ) { 
+                $enabled = $sanitize_key;
+            } else { 
+                $enabled = NULL; 
+            }
+            echo '<div class="wpi-mcheck-row"><input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $sanitize_key ) . '" ' . checked( $sanitize_key, $enabled, false ) . '/>&nbsp;';
+            echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . wp_kses_post( $option ) . '</label></div>';
+        endforeach;
+        echo '</div>';
+        echo '<p class="description">' . $args['desc'] . '</p>';
+    }
 }
 
 function wpinv_payment_icons_callback( $args ) {
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
-	$value   = wpinv_get_option( $args['id'], false);
+    $value   = wpinv_get_option( $args['id'], false);
 
-	if ( ! empty( $args['options'] ) ) {
-		foreach( $args['options'] as $key => $option ) {
+    if ( ! empty( $args['options'] ) ) {
+        foreach( $args['options'] as $key => $option ) {
             $sanitize_key = wpinv_sanitize_key( $key );
             
-			if( empty( $value ) ) {
-				$enabled = $option;
-			} else {
-				$enabled = NULL;
-			}
-
-			echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" style="margin-right:10px;line-height:16px;height:16px;display:inline-block;">';
-
-				echo '<input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $option ) . '" ' . checked( $option, $enabled, false ) . '/>&nbsp;';
-
-				if ( wpinv_string_is_image_url( $key ) ) {
-					echo '<img class="payment-icon" src="' . esc_url( $key ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
-				} else {
-					$card = strtolower( str_replace( ' ', '', $option ) );
-
-					if ( has_filter( 'wpinv_accepted_payment_' . $card . '_image' ) ) {
-						$image = apply_filters( 'wpinv_accepted_payment_' . $card . '_image', '' );
-					} else {
-						$image       = wpinv_locate_template( 'images' . DIRECTORY_SEPARATOR . 'icons' . DIRECTORY_SEPARATOR . $card . '.gif', false );
-						$content_dir = WP_CONTENT_DIR;
-
-						if ( function_exists( 'wp_normalize_path' ) ) {
-							// Replaces backslashes with forward slashes for Windows systems
-							$image = wp_normalize_path( $image );
-							$content_dir = wp_normalize_path( $content_dir );
-						}
-
-						$image = str_replace( $content_dir, content_url(), $image );
-					}
-
-					echo '<img class="payment-icon" src="' . esc_url( $image ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
-				}
-			echo $option . '</label>';
-		}
-		echo '<p class="description" style="margin-top:16px;">' . wp_kses_post( $args['desc'] ) . '</p>';
-	}
+            if( empty( $value ) ) {
+                $enabled = $option;
+            } else {
+                $enabled = NULL;
+            }
+
+            echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" style="margin-right:10px;line-height:16px;height:16px;display:inline-block;">';
+
+                echo '<input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $option ) . '" ' . checked( $option, $enabled, false ) . '/>&nbsp;';
+
+                if ( wpinv_string_is_image_url( $key ) ) {
+                    echo '<img class="payment-icon" src="' . esc_url( $key ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
+                } else {
+                    $card = strtolower( str_replace( ' ', '', $option ) );
+
+                    if ( has_filter( 'wpinv_accepted_payment_' . $card . '_image' ) ) {
+                        $image = apply_filters( 'wpinv_accepted_payment_' . $card . '_image', '' );
+                    } else {
+                        $image       = wpinv_locate_template( 'images' . DIRECTORY_SEPARATOR . 'icons' . DIRECTORY_SEPARATOR . $card . '.gif', false );
+                        $content_dir = WP_CONTENT_DIR;
+
+                        if ( function_exists( 'wp_normalize_path' ) ) {
+                            // Replaces backslashes with forward slashes for Windows systems
+                            $image = wp_normalize_path( $image );
+                            $content_dir = wp_normalize_path( $content_dir );
+                        }
+
+                        $image = str_replace( $content_dir, content_url(), $image );
+                    }
+
+                    echo '<img class="payment-icon" src="' . esc_url( $image ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
+                }
+            echo $option . '</label>';
+        }
+        echo '<p class="description" style="margin-top:16px;">' . wp_kses_post( $args['desc'] ) . '</p>';
+    }
 }
 
 /**
@@ -570,9 +570,9 @@ 
  */
 function wpinv_radio_callback( $args ) {
 
-	$std = isset( $args['std'] ) ? $args['std'] : '';
-	$std = wpinv_get_option( $args['id'], $std );
-	?>
+    $std = isset( $args['std'] ) ? $args['std'] : '';
+    $std = wpinv_get_option( $args['id'], $std );
+    ?>
 		<fieldset>
 			<ul id="wpinv-settings-<?php echo esc_attr( $args['id'] ); ?>" style="margin-top: 0;">
 				<?php foreach( $args['options'] as $key => $option ) : ?>
@@ -586,7 +586,7 @@ 
 			</ul>
 		</fieldset>
 	<?php
-	getpaid_settings_description_callback( $args );
+    getpaid_settings_description_callback( $args );
 }
 
 /**
@@ -594,10 +594,10 @@ 
  */
 function getpaid_settings_description_callback( $args ) {
 
-	if ( ! empty( $args['desc'] ) ) {
-		$description = wp_kses_post( $args['desc'] );
-		echo "<p class='description'>$description</p>";
-	}
+    if ( ! empty( $args['desc'] ) ) {
+        $description = wp_kses_post( $args['desc'] );
+        echo "<p class='description'>$description</p>";
+    }
 
 }
 
@@ -606,7 +606,7 @@ 
  */
 function wpinv_gateways_callback() {
 
-	?>
+    ?>
 		</td>
 	</tr>
 	<tr class="bsui">
@@ -620,22 +620,22 @@ 
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
     $class = !empty( $args['class'] ) ? ' ' . esc_attr( $args['class'] ) : '';
-	$std     = isset( $args['std'] ) ? $args['std'] : '';
-	$value   = wpinv_get_option( $args['id'], $std );
+    $std     = isset( $args['std'] ) ? $args['std'] : '';
+    $value   = wpinv_get_option( $args['id'], $std );
 
-	echo '<select name="wpinv_settings[' . $sanitize_id . ']"" id="wpinv_settings[' . $sanitize_id . ']" class="'.$class.'" >';
+    echo '<select name="wpinv_settings[' . $sanitize_id . ']"" id="wpinv_settings[' . $sanitize_id . ']" class="'.$class.'" >';
 
-	foreach ( $args['options'] as $key => $option ) :
-		if ( isset( $args['selected'] ) && $args['selected'] !== null && $args['selected'] !== false ) {
+    foreach ( $args['options'] as $key => $option ) :
+        if ( isset( $args['selected'] ) && $args['selected'] !== null && $args['selected'] !== false ) {
             $selected = selected( $key, $args['selected'], false );
         } else {
             $selected = selected( $key, $value, false );
         }
-		echo '<option value="' . wpinv_sanitize_key( $key ) . '"' . $selected . '>' . esc_html( $option['admin_label'] ) . '</option>';
-	endforeach;
+        echo '<option value="' . wpinv_sanitize_key( $key ) . '"' . $selected . '>' . esc_html( $option['admin_label'] ) . '</option>';
+    endforeach;
 
-	echo '</select>';
-	echo '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+    echo '</select>';
+    echo '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
 }
 
 /**
@@ -646,29 +646,29 @@ 
  */
 function wpinv_settings_attrs_helper( $args ) {
 
-	$value        = isset( $args['std'] ) ? $args['std'] : '';
-	$id           = esc_attr( $args['id'] );
-	$placeholder  = esc_attr( $args['placeholder'] );
+    $value        = isset( $args['std'] ) ? $args['std'] : '';
+    $id           = esc_attr( $args['id'] );
+    $placeholder  = esc_attr( $args['placeholder'] );
 
-	if ( ! empty( $args['faux'] ) ) {
-		$args['readonly'] = true;
-		$name             = '';
-	} else {
-		$value  = wpinv_get_option( $args['id'], $value );
-		$name   = "wpinv_settings[$id]";
-	}
+    if ( ! empty( $args['faux'] ) ) {
+        $args['readonly'] = true;
+        $name             = '';
+    } else {
+        $value  = wpinv_get_option( $args['id'], $value );
+        $name   = "wpinv_settings[$id]";
+    }
 
-	$value    = is_scalar( $value ) ? esc_attr( $value ) : '';
-	$class    = esc_attr( $args['class'] );
-	$style    = esc_attr( $args['style'] );
-	$readonly = empty( $args['readonly'] ) ? '' : 'readonly onclick="this.select()"';
+    $value    = is_scalar( $value ) ? esc_attr( $value ) : '';
+    $class    = esc_attr( $args['class'] );
+    $style    = esc_attr( $args['style'] );
+    $readonly = empty( $args['readonly'] ) ? '' : 'readonly onclick="this.select()"';
 
-	$onchange = '';
+    $onchange = '';
     if ( ! empty( $args['onchange'] ) ) {
         $onchange = ' onchange="' . esc_attr( $args['onchange'] ) . '"';
-	}
+    }
 
-	return "name='$name' id='wpinv-settings-$id' style='$style' value='$value' class='$class' placeholder='$placeholder' data-placeholder='$placeholder' $onchange $readonly";
+    return "name='$name' id='wpinv-settings-$id' style='$style' value='$value' class='$class' placeholder='$placeholder' data-placeholder='$placeholder' $onchange $readonly";
 }
 
 /**
@@ -676,11 +676,11 @@ 
  */
 function wpinv_text_callback( $args ) {
 
-	$desc = wp_kses_post( $args['desc'] );
-	$desc = empty( $desc ) ? '' : "<p class='description'>$desc</p>";
-	$attr = wpinv_settings_attrs_helper( $args );
+    $desc = wp_kses_post( $args['desc'] );
+    $desc = empty( $desc ) ? '' : "<p class='description'>$desc</p>";
+    $attr = wpinv_settings_attrs_helper( $args );
 
-	?>
+    ?>
 		<label style="width: 100%;">
 			<input type="text" <?php echo $attr; ?>>
 			<?php echo $desc; ?>
@@ -694,14 +694,14 @@ 
  */
 function wpinv_number_callback( $args ) {
 
-	$desc = wp_kses_post( $args['desc'] );
-	$desc = empty( $desc ) ? '' : "<p class='description'>$desc</p>";
-	$attr = wpinv_settings_attrs_helper( $args );
-	$max  = intval( $args['max'] );
-	$min  = intval( $args['min'] );
-	$step = floatval( $args['step'] );
+    $desc = wp_kses_post( $args['desc'] );
+    $desc = empty( $desc ) ? '' : "<p class='description'>$desc</p>";
+    $attr = wpinv_settings_attrs_helper( $args );
+    $max  = intval( $args['max'] );
+    $min  = intval( $args['min'] );
+    $step = floatval( $args['step'] );
 
-	?>
+    ?>
 		<label style="width: 100%;">
 			<input type="number" step="<?php echo $step; ?>" max="<?php echo $max; ?>" min="<?php echo $min; ?>" <?php echo $attr; ?>>
 			<?php echo $desc; ?>
@@ -713,36 +713,36 @@ 
 function wpinv_textarea_callback( $args ) {
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
-	$std     = isset( $args['std'] ) ? $args['std'] : '';
-	$value   = wpinv_get_option( $args['id'], $std );
+    $std     = isset( $args['std'] ) ? $args['std'] : '';
+    $value   = wpinv_get_option( $args['id'], $std );
 
     $size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
     $class = ( isset( $args['class'] ) && ! is_null( $args['class'] ) ) ? $args['class'] : 'large-text';
 
-	$html = '<textarea class="' . sanitize_html_class( $class ) . ' txtarea-' . sanitize_html_class( $size ) . ' wpi-' . esc_attr( sanitize_html_class( $sanitize_id ) ) . ' " cols="' . $args['cols'] . '" rows="' . $args['rows'] . '" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
-	$html .= '<br /><label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+    $html = '<textarea class="' . sanitize_html_class( $class ) . ' txtarea-' . sanitize_html_class( $size ) . ' wpi-' . esc_attr( sanitize_html_class( $sanitize_id ) ) . ' " cols="' . $args['cols'] . '" rows="' . $args['rows'] . '" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
+    $html .= '<br /><label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_password_callback( $args ) {
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
-	$std     = isset( $args['std'] ) ? $args['std'] : '';
-	$value   = wpinv_get_option( $args['id'], $std );
+    $std     = isset( $args['std'] ) ? $args['std'] : '';
+    $value   = wpinv_get_option( $args['id'], $std );
 
-	$size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html = '<input type="password" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '"/>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+    $size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
+    $html = '<input type="password" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '"/>';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_missing_callback($args) {
-	printf(
-		__( 'The callback function used for the %s setting is missing.', 'invoicing' ),
-		'<strong>' . $args['id'] . '</strong>'
-	);
+    printf(
+        __( 'The callback function used for the %s setting is missing.', 'invoicing' ),
+        '<strong>' . $args['id'] . '</strong>'
+    );
 }
 
 /**
@@ -750,14 +750,14 @@ 
  */
 function wpinv_select_callback( $args ) {
 
-	$desc   = wp_kses_post( $args['desc'] );
-	$desc   = empty( $desc ) ? '' : "<p class='description'>$desc</p>";
-	$attr   = wpinv_settings_attrs_helper( $args );
-	$value  = isset( $args['std'] ) ? $args['std'] : '';
-	$value  = wpinv_get_option( $args['id'], $value );
-	$rand   = uniqid( 'random_id' );
+    $desc   = wp_kses_post( $args['desc'] );
+    $desc   = empty( $desc ) ? '' : "<p class='description'>$desc</p>";
+    $attr   = wpinv_settings_attrs_helper( $args );
+    $value  = isset( $args['std'] ) ? $args['std'] : '';
+    $value  = wpinv_get_option( $args['id'], $value );
+    $rand   = uniqid( 'random_id' );
 
-	?>
+    ?>
 		<label style="width: 100%;">
 			<select <?php echo $attr; ?>>
 				<?php foreach ( $args['options'] as $option => $name ) : ?>
@@ -790,104 +790,104 @@ 
 function wpinv_color_select_callback( $args ) {
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
-	$std     = isset( $args['std'] ) ? $args['std'] : '';
-	$value   = wpinv_get_option( $args['id'], $std );
+    $std     = isset( $args['std'] ) ? $args['std'] : '';
+    $value   = wpinv_get_option( $args['id'], $std );
 
-	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"/>';
+    $html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"/>';
 
-	foreach ( $args['options'] as $option => $color ) {
-		$selected = selected( $option, $value, false );
-		$html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $color['label'] ) . '</option>';
-	}
+    foreach ( $args['options'] as $option => $color ) {
+        $selected = selected( $option, $value, false );
+        $html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $color['label'] ) . '</option>';
+    }
 
-	$html .= '</select>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+    $html .= '</select>';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_rich_editor_callback( $args ) {
-	global $wp_version;
+    global $wp_version;
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	$std     = isset( $args['std'] ) ? $args['std'] : '';
-	$value   = wpinv_get_option( $args['id'], $std );
+    $std     = isset( $args['std'] ) ? $args['std'] : '';
+    $value   = wpinv_get_option( $args['id'], $std );
 	
-	if ( ! empty( $args['allow_blank'] ) && empty( $value ) ) {
-		$value = $std;
-	}
+    if ( ! empty( $args['allow_blank'] ) && empty( $value ) ) {
+        $value = $std;
+    }
 
-	$rows = isset( $args['size'] ) ? $args['size'] : 20;
+    $rows = isset( $args['size'] ) ? $args['size'] : 20;
 
-	$html = '<div class="getpaid-settings-editor-input">';
-	if ( $wp_version >= 3.3 && function_exists( 'wp_editor' ) ) {
-		ob_start();
-		wp_editor( stripslashes( $value ), 'wpinv_settings_' . esc_attr( $args['id'] ), array( 'textarea_name' => 'wpinv_settings[' . esc_attr( $args['id'] ) . ']', 'textarea_rows' => absint( $rows ), 'media_buttons' => false ) );
-		$html .= ob_get_clean();
-	} else {
-		$html .= '<textarea class="large-text" rows="10" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" class="wpi-' . esc_attr( sanitize_html_class( $args['id'] ) ) . '">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
-	}
+    $html = '<div class="getpaid-settings-editor-input">';
+    if ( $wp_version >= 3.3 && function_exists( 'wp_editor' ) ) {
+        ob_start();
+        wp_editor( stripslashes( $value ), 'wpinv_settings_' . esc_attr( $args['id'] ), array( 'textarea_name' => 'wpinv_settings[' . esc_attr( $args['id'] ) . ']', 'textarea_rows' => absint( $rows ), 'media_buttons' => false ) );
+        $html .= ob_get_clean();
+    } else {
+        $html .= '<textarea class="large-text" rows="10" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" class="wpi-' . esc_attr( sanitize_html_class( $args['id'] ) ) . '">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
+    }
 
-	$html .= '</div><br/><label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+    $html .= '</div><br/><label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_upload_callback( $args ) {
     
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	$std     = isset( $args['std'] ) ? $args['std'] : '';
-	$value   = wpinv_get_option( $args['id'], $std );
+    $std     = isset( $args['std'] ) ? $args['std'] : '';
+    $value   = wpinv_get_option( $args['id'], $std );
 
-	$size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html = '<input type="text" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( stripslashes( $value ) ) . '"/>';
-	$html .= '<span>&nbsp;<input type="button" class="wpinv_settings_upload_button button-secondary" value="' . __( 'Upload File', 'invoicing' ) . '"/></span>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+    $size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
+    $html = '<input type="text" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( stripslashes( $value ) ) . '"/>';
+    $html .= '<span>&nbsp;<input type="button" class="wpinv_settings_upload_button button-secondary" value="' . __( 'Upload File', 'invoicing' ) . '"/></span>';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_color_callback( $args ) {
 
-	$std         = isset( $args['std'] ) ? $args['std'] : '';
-	$value       = wpinv_get_option( $args['id'], $std );
+    $std         = isset( $args['std'] ) ? $args['std'] : '';
+    $value       = wpinv_get_option( $args['id'], $std );
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	$html = '<input type="text" class="wpinv-color-picker" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '" data-default-color="' . esc_attr( $std ) . '" />';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+    $html = '<input type="text" class="wpinv-color-picker" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '" data-default-color="' . esc_attr( $std ) . '" />';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 function wpinv_country_states_callback($args) {
 
-	$std     = isset( $args['std'] ) ? $args['std'] : '';
-	$value   = wpinv_get_option( $args['id'], $std );
+    $std     = isset( $args['std'] ) ? $args['std'] : '';
+    $value   = wpinv_get_option( $args['id'], $std );
 
     $sanitize_id = wpinv_sanitize_key( $args['id'] );
 
-	if ( isset( $args['placeholder'] ) ) {
-		$placeholder = $args['placeholder'];
-	} else {
-		$placeholder = '';
-	}
+    if ( isset( $args['placeholder'] ) ) {
+        $placeholder = $args['placeholder'];
+    } else {
+        $placeholder = '';
+    }
 
-	$states = wpinv_get_country_states();
+    $states = wpinv_get_country_states();
 
-	$class = empty( $states ) ? ' class="wpinv-no-states"' : ' class="wpi_select2"';
-	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"' . $class . 'data-placeholder="' . esc_html( $placeholder ) . '"/>';
+    $class = empty( $states ) ? ' class="wpinv-no-states"' : ' class="wpi_select2"';
+    $html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"' . $class . 'data-placeholder="' . esc_html( $placeholder ) . '"/>';
 
-	foreach ( $states as $option => $name ) {
-		$selected = selected( $option, $value, false );
-		$html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $name ) . '</option>';
-	}
+    foreach ( $states as $option => $name ) {
+        $selected = selected( $option, $value, false );
+        $html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $name ) . '</option>';
+    }
 
-	$html .= '</select>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+    $html .= '</select>';
+    $html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
 
-	echo $html;
+    echo $html;
 }
 
 /**
@@ -895,7 +895,7 @@ 
  */
 function wpinv_tax_rates_callback() {
 	
-	?>
+    ?>
 		</td>
 	</tr>
 	<tr class="bsui">
@@ -910,17 +910,17 @@ 
  * Displays a tax rate' edit row.
  */
 function wpinv_tax_rate_callback( $tax_rate, $key, $echo = true ) {
-	ob_start();
+    ob_start();
 
-	$key                      = sanitize_key( $key );
-	$tax_rate['reduced_rate'] = empty( $tax_rate['reduced_rate'] ) ? 0 : $tax_rate['reduced_rate'];
-	include plugin_dir_path( __FILE__ ) . 'views/html-tax-rate-edit.php';
+    $key                      = sanitize_key( $key );
+    $tax_rate['reduced_rate'] = empty( $tax_rate['reduced_rate'] ) ? 0 : $tax_rate['reduced_rate'];
+    include plugin_dir_path( __FILE__ ) . 'views/html-tax-rate-edit.php';
 
-	if ( $echo ) {
-		echo ob_get_clean();
-	} else {
-		return ob_get_clean(); 
-	}
+    if ( $echo ) {
+        echo ob_get_clean();
+    } else {
+        return ob_get_clean(); 
+    }
 
 }
 
@@ -948,14 +948,14 @@ 
                 </td>
                 <td>
 					<a href="<?php
-						echo esc_url(
-							wp_nonce_url(
-								add_query_arg( 'getpaid-admin-action', 'create_missing_pages' ),
-								'getpaid-nonce',
-								'getpaid-nonce'
-							)
-						);
-					?>" class="button button-primary"><?php _e('Run', 'invoicing');?></a>
+                        echo esc_url(
+                            wp_nonce_url(
+                                add_query_arg( 'getpaid-admin-action', 'create_missing_pages' ),
+                                'getpaid-nonce',
+                                'getpaid-nonce'
+                            )
+                        );
+                    ?>" class="button button-primary"><?php _e('Run', 'invoicing');?></a>
                 </td>
             </tr>
 			<tr>
@@ -965,14 +965,14 @@ 
                 </td>
                 <td>
 					<a href="<?php
-						echo esc_url(
-							wp_nonce_url(
-								add_query_arg( 'getpaid-admin-action', 'create_missing_tables' ),
-								'getpaid-nonce',
-								'getpaid-nonce'
-							)
-						);
-					?>" class="button button-primary"><?php _e('Run', 'invoicing');?></a>
+                        echo esc_url(
+                            wp_nonce_url(
+                                add_query_arg( 'getpaid-admin-action', 'create_missing_tables' ),
+                                'getpaid-nonce',
+                                'getpaid-nonce'
+                            )
+                        );
+                    ?>" class="button button-primary"><?php _e('Run', 'invoicing');?></a>
                 </td>
             </tr>
 			<tr>
@@ -982,14 +982,14 @@ 
                 </td>
                 <td>
 					<a href="<?php
-						echo esc_url(
-							wp_nonce_url(
-								add_query_arg( 'getpaid-admin-action', 'migrate_old_invoices' ),
-								'getpaid-nonce',
-								'getpaid-nonce'
-							)
-						);
-					?>" class="button button-primary"><?php _e('Run', 'invoicing');?></a>
+                        echo esc_url(
+                            wp_nonce_url(
+                                add_query_arg( 'getpaid-admin-action', 'migrate_old_invoices' ),
+                                'getpaid-nonce',
+                                'getpaid-nonce'
+                            )
+                        );
+                    ?>" class="button button-primary"><?php _e('Run', 'invoicing');?></a>
                 </td>
             </tr>
 
@@ -1000,14 +1000,14 @@ 
                 </td>
                 <td>
 					<a href="<?php
-						echo esc_url(
-							wp_nonce_url(
-								add_query_arg( 'getpaid-admin-action', 'recalculate_discounts' ),
-								'getpaid-nonce',
-								'getpaid-nonce'
-							)
-						);
-					?>" class="button button-primary"><?php _e( 'Run', 'invoicing' );?></a>
+                        echo esc_url(
+                            wp_nonce_url(
+                                add_query_arg( 'getpaid-admin-action', 'recalculate_discounts' ),
+                                'getpaid-nonce',
+                                'getpaid-nonce'
+                            )
+                        );
+                    ?>" class="button button-primary"><?php _e( 'Run', 'invoicing' );?></a>
                 </td>
             </tr>
 
@@ -1021,19 +1021,19 @@ 
 
 
 function wpinv_descriptive_text_callback( $args ) {
-	echo wp_kses_post( $args['desc'] );
+    echo wp_kses_post( $args['desc'] );
 }
 
 function wpinv_raw_html_callback( $args ) {
-	echo $args['desc'];
+    echo $args['desc'];
 }
 
 function wpinv_hook_callback( $args ) {
-	do_action( 'wpinv_' . $args['id'], $args );
+    do_action( 'wpinv_' . $args['id'], $args );
 }
 
 function wpinv_set_settings_cap() {
-	return wpinv_get_capability();
+    return wpinv_get_capability();
 }
 add_filter( 'option_page_capability_wpinv_settings', 'wpinv_set_settings_cap' );
 
@@ -1057,15 +1057,15 @@ 
  */
 function wpinv_get_merge_tags_help_text( $subscription = false ) {
 
-	$url  = $subscription ? 'https://gist.github.com/picocodes/3d213982d57c34edf7a46fd3f0e8583e' : 'https://gist.github.com/picocodes/43bdc4d4bbba844534b2722e2af0b58f';
-	$link = sprintf(
-		'<strong><a href="%s" target="_blank">%s</a></strong>',
-		$url,
-		esc_html__( 'View available merge tags.', 'wpinv-quotes' )
-	);
+    $url  = $subscription ? 'https://gist.github.com/picocodes/3d213982d57c34edf7a46fd3f0e8583e' : 'https://gist.github.com/picocodes/43bdc4d4bbba844534b2722e2af0b58f';
+    $link = sprintf(
+        '<strong><a href="%s" target="_blank">%s</a></strong>',
+        $url,
+        esc_html__( 'View available merge tags.', 'wpinv-quotes' )
+    );
 
-	$description = esc_html__( 'The content of the email (Merge Tags and HTML are allowed).', 'invoicing' );
+    $description = esc_html__( 'The content of the email (Merge Tags and HTML are allowed).', 'invoicing' );
 
-	return "$description $link";
+    return "$description $link";
 
 }