AyeCode / invoicing

includes/payments/class-getpaid-payment-form-submission-refresh-prices.php

Indentation +270 added lines, -270 removed lines

@@ -12,304 +12,304 @@
  */
 class GetPaid_Payment_Form_Submission_Refresh_Prices {
 
-	/**
-	 * Contains the response for refreshing prices.
-	 * @var array
-	 */
-	public $response = array();
+    /**
+     * Contains the response for refreshing prices.
+     * @var array
+     */
+    public $response = array();
 
     /**
-	 * Class constructor
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function __construct( $submission ) {
-
-		$this->response = array(
-			'submission_id'                    => $submission->id,
+     * Class constructor
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function __construct( $submission ) {
+
+        $this->response = array(
+            'submission_id'                    => $submission->id,
             'has_recurring'                    => $submission->has_recurring,
-			'has_subscription_group'           => $submission->has_subscription_group(),
-			'has_multiple_subscription_groups' => $submission->has_multiple_subscription_groups(),
+            'has_subscription_group'           => $submission->has_subscription_group(),
+            'has_multiple_subscription_groups' => $submission->has_multiple_subscription_groups(),
             'is_free'                          => ! $submission->should_collect_payment_details(),
-		);
-
-		$payment_form = $submission->get_payment_form();
-		if ( ! empty( $payment_form->invoice ) ) {
-			$this->response['invoice'] = $payment_form->invoice->get_id();
-		}
-
-		$this->add_totals( $submission );
-		$this->add_texts( $submission );
-		$this->add_items( $submission );
-		$this->add_fees( $submission );
-		$this->add_discounts( $submission );
-		$this->add_taxes( $submission );
-		$this->add_gateways( $submission );
-		$this->add_data( $submission );
-
-	}
-
-	/**
-	 * Adds totals to a response for submission refresh prices.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function add_totals( $submission ) {
-
-		$this->response = array_merge(
-			$this->response,
-			array(
-
-				'totals'      => array(
-					'subtotal'  => $submission->format_amount( $submission->get_subtotal() ),
-					'discount'  => $submission->format_amount( $submission->get_discount() ),
-					'fees'      => $submission->format_amount( $submission->get_fee() ),
-					'tax'       => $submission->format_amount( $submission->get_tax() ),
-					'total'     => $submission->format_amount( $submission->get_total() ),
-					'raw_total' => html_entity_decode( sanitize_text_field( $submission->format_amount( $submission->get_total() ) ), ENT_QUOTES ),
-				),
-
-				'recurring'   => array(
-					'subtotal' => $submission->format_amount( $submission->get_recurring_subtotal() ),
-					'discount' => $submission->format_amount( $submission->get_recurring_discount() ),
-					'fees'     => $submission->format_amount( $submission->get_recurring_fee() ),
-					'tax'      => $submission->format_amount( $submission->get_recurring_tax() ),
-					'total'    => $submission->format_amount( $submission->get_recurring_total() ),
-				),
-
-				'initial_amt' => wpinv_round_amount( $submission->get_total(), null, true ),
-				'currency'    => $submission->get_currency(),
-
-			)
-		);
-
-	}
-
-	/**
-	 * Adds texts to a response for submission refresh prices.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function add_texts( $submission ) {
-
-		$payable = $submission->format_amount( $submission->get_total() );
-		$groups  = getpaid_get_subscription_groups( $submission );
-
-		if ( $submission->has_recurring && 2 > count( $groups ) ) {
-
-			$recurring = new WPInv_Item( $submission->has_recurring );
-			$period    = getpaid_get_subscription_period_label( $recurring->get_recurring_period( true ), $recurring->get_recurring_interval(), '' );
-			$main_item = reset( $groups );
-
-			if ( $submission->get_total() == $submission->get_recurring_total() ) {
-				$payable = "$payable / $period";
-			} elseif ( $main_item ) {
-
-				$main_item = reset( $main_item );
-
-				// Calculate the next renewal date.
-				$_period      = $main_item->get_recurring_period( true );
-				$_interval    = $main_item->get_recurring_interval();
-
-				// If the subscription item has a trial period...
-				if ( $main_item->has_free_trial() ) {
-					$_period   = $main_item->get_trial_period( true );
-					$_interval = $main_item->get_trial_interval();
-				}
-
-				$payable = sprintf(
-					__( '%1$s (renews at %2$s / %3$s)', 'invoicing' ),
-					$submission->format_amount( $submission->get_total() ),
-					$submission->format_amount( $submission->get_recurring_total() ),
-					$period
-				);
-
-				$payable .= sprintf(
-					'<small class="text-muted form-text">%s</small>',
-					sprintf(
-						__( 'First renewal on %s', 'invoicing' ),
-						getpaid_format_date( date( 'Y-m-d H:i:s', strtotime( "+$_interval $_period", current_time( 'timestamp' ) ) ) )
-					)
-				);
-
-			} else {
-				$payable = sprintf(
-					__( '%1$s (renews at %2$s / %3$s)', 'invoicing' ),
-					$submission->format_amount( $submission->get_total() ),
-					$submission->format_amount( $submission->get_recurring_total() ),
-					$period
-				);
-			}
-}
+        );
+
+        $payment_form = $submission->get_payment_form();
+        if ( ! empty( $payment_form->invoice ) ) {
+            $this->response['invoice'] = $payment_form->invoice->get_id();
+        }
+
+        $this->add_totals( $submission );
+        $this->add_texts( $submission );
+        $this->add_items( $submission );
+        $this->add_fees( $submission );
+        $this->add_discounts( $submission );
+        $this->add_taxes( $submission );
+        $this->add_gateways( $submission );
+        $this->add_data( $submission );
 
-		$texts = array(
-			'.getpaid-checkout-total-payable' => $payable,
-		);
+    }
+
+    /**
+     * Adds totals to a response for submission refresh prices.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function add_totals( $submission ) {
+
+        $this->response = array_merge(
+            $this->response,
+            array(
+
+                'totals'      => array(
+                    'subtotal'  => $submission->format_amount( $submission->get_subtotal() ),
+                    'discount'  => $submission->format_amount( $submission->get_discount() ),
+                    'fees'      => $submission->format_amount( $submission->get_fee() ),
+                    'tax'       => $submission->format_amount( $submission->get_tax() ),
+                    'total'     => $submission->format_amount( $submission->get_total() ),
+                    'raw_total' => html_entity_decode( sanitize_text_field( $submission->format_amount( $submission->get_total() ) ), ENT_QUOTES ),
+                ),
+
+                'recurring'   => array(
+                    'subtotal' => $submission->format_amount( $submission->get_recurring_subtotal() ),
+                    'discount' => $submission->format_amount( $submission->get_recurring_discount() ),
+                    'fees'     => $submission->format_amount( $submission->get_recurring_fee() ),
+                    'tax'      => $submission->format_amount( $submission->get_recurring_tax() ),
+                    'total'    => $submission->format_amount( $submission->get_recurring_total() ),
+                ),
+
+                'initial_amt' => wpinv_round_amount( $submission->get_total(), null, true ),
+                'currency'    => $submission->get_currency(),
+
+            )
+        );
+
+    }
+
+    /**
+     * Adds texts to a response for submission refresh prices.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function add_texts( $submission ) {
+
+        $payable = $submission->format_amount( $submission->get_total() );
+        $groups  = getpaid_get_subscription_groups( $submission );
+
+        if ( $submission->has_recurring && 2 > count( $groups ) ) {
+
+            $recurring = new WPInv_Item( $submission->has_recurring );
+            $period    = getpaid_get_subscription_period_label( $recurring->get_recurring_period( true ), $recurring->get_recurring_interval(), '' );
+            $main_item = reset( $groups );
+
+            if ( $submission->get_total() == $submission->get_recurring_total() ) {
+                $payable = "$payable / $period";
+            } elseif ( $main_item ) {
+
+                $main_item = reset( $main_item );
+
+                // Calculate the next renewal date.
+                $_period      = $main_item->get_recurring_period( true );
+                $_interval    = $main_item->get_recurring_interval();
+
+                // If the subscription item has a trial period...
+                if ( $main_item->has_free_trial() ) {
+                    $_period   = $main_item->get_trial_period( true );
+                    $_interval = $main_item->get_trial_interval();
+                }
+
+                $payable = sprintf(
+                    __( '%1$s (renews at %2$s / %3$s)', 'invoicing' ),
+                    $submission->format_amount( $submission->get_total() ),
+                    $submission->format_amount( $submission->get_recurring_total() ),
+                    $period
+                );
+
+                $payable .= sprintf(
+                    '<small class="text-muted form-text">%s</small>',
+                    sprintf(
+                        __( 'First renewal on %s', 'invoicing' ),
+                        getpaid_format_date( date( 'Y-m-d H:i:s', strtotime( "+$_interval $_period", current_time( 'timestamp' ) ) ) )
+                    )
+                );
+
+            } else {
+                $payable = sprintf(
+                    __( '%1$s (renews at %2$s / %3$s)', 'invoicing' ),
+                    $submission->format_amount( $submission->get_total() ),
+                    $submission->format_amount( $submission->get_recurring_total() ),
+                    $period
+                );
+            }
+}
 
-		foreach ( $submission->get_items() as $item ) {
-			$item_id                                               = $item->get_id();
-			$initial_price                                         = $submission->format_amount( $item->get_sub_total() - $item->item_discount );
-			$recurring_price                                       = $submission->format_amount( $item->get_recurring_sub_total() - $item->recurring_item_discount );
-			$texts[ ".item-$item_id .getpaid-form-item-price-desc" ] = getpaid_item_recurring_price_help_text( $item, $submission->get_currency(), $initial_price, $recurring_price );
-			$texts[ ".item-$item_id .getpaid-mobile-item-subtotal" ] = sprintf( __( 'Subtotal: %s', 'invoicing' ), $submission->format_amount( $item->get_sub_total() ) );
+        $texts = array(
+            '.getpaid-checkout-total-payable' => $payable,
+        );
 
-			if ( $item->get_quantity() == 1 ) {
-				$texts[ ".item-$item_id .getpaid-mobile-item-subtotal" ] = '';
-			}
+        foreach ( $submission->get_items() as $item ) {
+            $item_id                                               = $item->get_id();
+            $initial_price                                         = $submission->format_amount( $item->get_sub_total() - $item->item_discount );
+            $recurring_price                                       = $submission->format_amount( $item->get_recurring_sub_total() - $item->recurring_item_discount );
+            $texts[ ".item-$item_id .getpaid-form-item-price-desc" ] = getpaid_item_recurring_price_help_text( $item, $submission->get_currency(), $initial_price, $recurring_price );
+            $texts[ ".item-$item_id .getpaid-mobile-item-subtotal" ] = sprintf( __( 'Subtotal: %s', 'invoicing' ), $submission->format_amount( $item->get_sub_total() ) );
+
+            if ( $item->get_quantity() == 1 ) {
+                $texts[ ".item-$item_id .getpaid-mobile-item-subtotal" ] = '';
+            }
 }
 
-		$this->response = array_merge( $this->response, array( 'texts' => $texts ) );
+        $this->response = array_merge( $this->response, array( 'texts' => $texts ) );
 
-	}
+    }
 
-	/**
-	 * Adds items to a response for submission refresh prices.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function add_items( $submission ) {
+    /**
+     * Adds items to a response for submission refresh prices.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function add_items( $submission ) {
 
-		// Add items.
-		$items          = array();
-		$selected_items = array();
+        // Add items.
+        $items          = array();
+        $selected_items = array();
 
         foreach ( $submission->get_items() as $item ) {
-			$item_id           = $item->get_id();
-			$items[ "$item_id" ] = $submission->format_amount( $item->get_sub_total() );
-
-			$selected_items[ "$item_id" ] = array(
-				'quantity' => $item->get_quantity(),
-				'price'    => $submission->format_amount( $item->get_sub_total() ),
-			);
-		}
-
-		$this->response = array_merge(
-			$this->response,
-			array(
-				'items'          => $items,
-				'selected_items' => $selected_items,
-			)
-		);
-
-	}
-
-	/**
-	 * Adds fees to a response for submission refresh prices.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function add_fees( $submission ) {
-
-		$fees = array();
+            $item_id           = $item->get_id();
+            $items[ "$item_id" ] = $submission->format_amount( $item->get_sub_total() );
+
+            $selected_items[ "$item_id" ] = array(
+                'quantity' => $item->get_quantity(),
+                'price'    => $submission->format_amount( $item->get_sub_total() ),
+            );
+        }
+
+        $this->response = array_merge(
+            $this->response,
+            array(
+                'items'          => $items,
+                'selected_items' => $selected_items,
+            )
+        );
+
+    }
+
+    /**
+     * Adds fees to a response for submission refresh prices.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function add_fees( $submission ) {
+
+        $fees = array();
 
         foreach ( $submission->get_fees() as $name => $data ) {
-			$fees[ $name ] = $submission->format_amount( $data['initial_fee'] );
-		}
+            $fees[ $name ] = $submission->format_amount( $data['initial_fee'] );
+        }
 
-		$this->response = array_merge(
-			$this->response,
-			array( 'fees' => $fees )
-		);
+        $this->response = array_merge(
+            $this->response,
+            array( 'fees' => $fees )
+        );
 
-	}
+    }
 
-	/**
-	 * Adds discounts to a response for submission refresh prices.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function add_discounts( $submission ) {
+    /**
+     * Adds discounts to a response for submission refresh prices.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function add_discounts( $submission ) {
 
-		$discounts = array();
+        $discounts = array();
 
         foreach ( $submission->get_discounts() as $name => $data ) {
-			$discounts[ $name ] = $submission->format_amount( $data['initial_discount'] );
-		}
+            $discounts[ $name ] = $submission->format_amount( $data['initial_discount'] );
+        }
 
-		$this->response = array_merge(
-			$this->response,
-			array( 'discounts' => $discounts )
-		);
+        $this->response = array_merge(
+            $this->response,
+            array( 'discounts' => $discounts )
+        );
 
-	}
+    }
 
-	/**
-	 * Adds taxes to a response for submission refresh prices.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function add_taxes( $submission ) {
-
-		$taxes  = array();
-		$markup = '';
+    /**
+     * Adds taxes to a response for submission refresh prices.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function add_taxes( $submission ) {
+
+        $taxes  = array();
+        $markup = '';
         foreach ( $submission->get_taxes() as $name => $data ) {
-			$name          = sanitize_text_field( $name );
-			$amount        = $submission->format_amount( $data['initial_tax'] );
-			$taxes[ $name ]  = $amount;
-			$markup       .= "<small class='form-text'>$name : $amount</small>";
-		}
-
-		if ( wpinv_display_individual_tax_rates() && ! empty( $taxes ) ) {
-			$this->response['texts']['.getpaid-form-cart-totals-total-tax'] = $markup;
-		}
-
-		$this->response = array_merge(
-			$this->response,
-			array( 'taxes' => $taxes )
-		);
-
-	}
-
-	/**
-	 * Adds gateways to a response for submission refresh prices.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function add_gateways( $submission ) {
-
-		$gateways = array_keys( wpinv_get_enabled_payment_gateways() );
-
-		if ( $this->response['has_recurring'] ) {
-
-			foreach ( $gateways as $i => $gateway ) {
-
-				if (
-					! getpaid_payment_gateway_supports( $gateway, 'subscription' )
-					|| ( $this->response['has_subscription_group'] && ! getpaid_payment_gateway_supports( $gateway, 'single_subscription_group' ) )
-					|| ( $this->response['has_multiple_subscription_groups'] && ! getpaid_payment_gateway_supports( $gateway, 'multiple_subscription_groups' ) ) ) {
-					unset( $gateways[ $i ] );
-				}
+            $name          = sanitize_text_field( $name );
+            $amount        = $submission->format_amount( $data['initial_tax'] );
+            $taxes[ $name ]  = $amount;
+            $markup       .= "<small class='form-text'>$name : $amount</small>";
+        }
+
+        if ( wpinv_display_individual_tax_rates() && ! empty( $taxes ) ) {
+            $this->response['texts']['.getpaid-form-cart-totals-total-tax'] = $markup;
+        }
+
+        $this->response = array_merge(
+            $this->response,
+            array( 'taxes' => $taxes )
+        );
+
+    }
+
+    /**
+     * Adds gateways to a response for submission refresh prices.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function add_gateways( $submission ) {
+
+        $gateways = array_keys( wpinv_get_enabled_payment_gateways() );
+
+        if ( $this->response['has_recurring'] ) {
+
+            foreach ( $gateways as $i => $gateway ) {
+
+                if (
+                    ! getpaid_payment_gateway_supports( $gateway, 'subscription' )
+                    || ( $this->response['has_subscription_group'] && ! getpaid_payment_gateway_supports( $gateway, 'single_subscription_group' ) )
+                    || ( $this->response['has_multiple_subscription_groups'] && ! getpaid_payment_gateway_supports( $gateway, 'multiple_subscription_groups' ) ) ) {
+                    unset( $gateways[ $i ] );
+                }
 }
 }
 
-		$gateways = apply_filters( 'getpaid_submission_gateways', $gateways, $submission );
-		$this->response = array_merge(
-			$this->response,
-			array( 'gateways' => $gateways )
-		);
-
-	}
-
-	/**
-	 * Adds data to a response for submission refresh prices.
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function add_data( $submission ) {
-
-		$this->response = array_merge(
-			$this->response,
-			array(
-				'js_data' => apply_filters(
-					'getpaid_submission_js_data',
-					array(
-						'is_recurring' => $this->response['has_recurring'],
-					),
-					$submission
-				),
-			)
-		);
-
-	}
+        $gateways = apply_filters( 'getpaid_submission_gateways', $gateways, $submission );
+        $this->response = array_merge(
+            $this->response,
+            array( 'gateways' => $gateways )
+        );
+
+    }
+
+    /**
+     * Adds data to a response for submission refresh prices.
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function add_data( $submission ) {
+
+        $this->response = array_merge(
+            $this->response,
+            array(
+                'js_data' => apply_filters(
+                    'getpaid_submission_js_data',
+                    array(
+                        'is_recurring' => $this->response['has_recurring'],
+                    ),
+                    $submission
+                ),
+            )
+        );
+
+    }
 
 }

includes/payments/class-getpaid-payment-form-submission-items.php

Indentation +83 added lines, -83 removed lines

@@ -12,48 +12,48 @@ 
  */
 class GetPaid_Payment_Form_Submission_Items {
 
-	/**
-	 * Submission items.
-	 * @var GetPaid_Form_Item[]
-	 */
-	public $items = array();
+    /**
+     * Submission items.
+     * @var GetPaid_Form_Item[]
+     */
+    public $items = array();
 
     /**
-	 * Class constructor
-	 *
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function __construct( $submission ) {
-
-		$data         = $submission->get_data();
-		$payment_form = $submission->get_payment_form();
-		$invoice      = $submission->get_invoice();
-
-		// Prepare the selected items.
-		$selected_items = array();
-		if ( ! empty( $data['getpaid-items'] ) ) {
-			$selected_items = wpinv_clean( $data['getpaid-items'] );
-
-			if ( ! empty( $invoice ) && $submission->is_initial_fetch() ) {
-				foreach ( $invoice->get_items() as $invoice_item ) {
-					if ( isset( $selected_items[ $invoice_item->get_id() ] ) ) {
-						$selected_items[ $invoice_item->get_id() ]['quantity'] = $invoice_item->get_quantity();
-						$selected_items[ $invoice_item->get_id() ]['price']    = $invoice_item->get_price();
-					}
-				}
-			}
-		}
-
-		// (Maybe) set form items.
-		if ( isset( $data['getpaid-form-items'] ) ) {
-
-			// Confirm items key.
-			$form_items = wpinv_clean( $data['getpaid-form-items'] );
-			if ( ! isset( $data['getpaid-form-items-key'] ) || md5( NONCE_KEY . AUTH_KEY . $form_items ) !== $data['getpaid-form-items-key'] ) {
-				throw new Exception( __( 'We could not validate the form items. Please reload the page and try again.', 'invoicing' ) );
-			}
-
-			$items    = array();
+     * Class constructor
+     *
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function __construct( $submission ) {
+
+        $data         = $submission->get_data();
+        $payment_form = $submission->get_payment_form();
+        $invoice      = $submission->get_invoice();
+
+        // Prepare the selected items.
+        $selected_items = array();
+        if ( ! empty( $data['getpaid-items'] ) ) {
+            $selected_items = wpinv_clean( $data['getpaid-items'] );
+
+            if ( ! empty( $invoice ) && $submission->is_initial_fetch() ) {
+                foreach ( $invoice->get_items() as $invoice_item ) {
+                    if ( isset( $selected_items[ $invoice_item->get_id() ] ) ) {
+                        $selected_items[ $invoice_item->get_id() ]['quantity'] = $invoice_item->get_quantity();
+                        $selected_items[ $invoice_item->get_id() ]['price']    = $invoice_item->get_price();
+                    }
+                }
+            }
+        }
+
+        // (Maybe) set form items.
+        if ( isset( $data['getpaid-form-items'] ) ) {
+
+            // Confirm items key.
+            $form_items = wpinv_clean( $data['getpaid-form-items'] );
+            if ( ! isset( $data['getpaid-form-items-key'] ) || md5( NONCE_KEY . AUTH_KEY . $form_items ) !== $data['getpaid-form-items-key'] ) {
+                throw new Exception( __( 'We could not validate the form items. Please reload the page and try again.', 'invoicing' ) );
+            }
+
+            $items    = array();
             $item_ids = array();
 
             foreach ( getpaid_convert_items_to_array( $form_items ) as $item_id => $qty ) {
@@ -79,61 +79,61 @@ 
                         $items[]    = $item;
                     }
                 }
-			}
+            }
 
             $payment_form->set_items( $items );
 
-		}
-
-		// Process each individual item.
-		foreach ( $payment_form->get_items() as $item ) {
-			$this->process_item( $item, $selected_items, $submission );
-		}
-
-	}
-
-	/**
-	 * Process a single item.
-	 *
-	 * @param GetPaid_Form_Item $item
-	 * @param array $selected_items
-	 * @param GetPaid_Payment_Form_Submission $submission
-	 */
-	public function process_item( $item, $selected_items, $submission ) {
+        }
 
-		// Abort if this is an optional item and it has not been selected.
-		if ( ! $item->is_required() && ! isset( $selected_items[ $item->get_id() ] ) ) {
-			return;
-		}
+        // Process each individual item.
+        foreach ( $payment_form->get_items() as $item ) {
+            $this->process_item( $item, $selected_items, $submission );
+        }
 
-		// (maybe) let customers change the quantities and prices.
-		if ( isset( $selected_items[ $item->get_id() ] ) ) {
+    }
 
-			// Maybe change the quantities.
-			if ( $item->allows_quantities() ) {
-				$item->set_quantity( (float) $selected_items[ $item->get_id() ]['quantity'] );
-			}
+    /**
+     * Process a single item.
+     *
+     * @param GetPaid_Form_Item $item
+     * @param array $selected_items
+     * @param GetPaid_Payment_Form_Submission $submission
+     */
+    public function process_item( $item, $selected_items, $submission ) {
+
+        // Abort if this is an optional item and it has not been selected.
+        if ( ! $item->is_required() && ! isset( $selected_items[ $item->get_id() ] ) ) {
+            return;
+        }
+
+        // (maybe) let customers change the quantities and prices.
+        if ( isset( $selected_items[ $item->get_id() ] ) ) {
+
+            // Maybe change the quantities.
+            if ( $item->allows_quantities() ) {
+                $item->set_quantity( (float) $selected_items[ $item->get_id() ]['quantity'] );
+            }
 
-			// Maybe change the price.
-			if ( $item->user_can_set_their_price() ) {
-				$price = (float) wpinv_sanitize_amount( $selected_items[ $item->get_id() ]['price'] );
+            // Maybe change the price.
+            if ( $item->user_can_set_their_price() ) {
+                $price = (float) wpinv_sanitize_amount( $selected_items[ $item->get_id() ]['price'] );
 
-				if ( $item->get_minimum_price() > $price ) {
-					throw new Exception( sprintf( __( 'The minimum allowed amount is %s', 'invoicing' ), getpaid_unstandardize_amount( $item->get_minimum_price() ) ) );
-				}
+                if ( $item->get_minimum_price() > $price ) {
+                    throw new Exception( sprintf( __( 'The minimum allowed amount is %s', 'invoicing' ), getpaid_unstandardize_amount( $item->get_minimum_price() ) ) );
+                }
 
-				$item->set_price( $price );
+                $item->set_price( $price );
 
-			}
-		}
+            }
+        }
 
-		if ( 0 == $item->get_quantity() ) {
-			return;
-		}
+        if ( 0 == $item->get_quantity() ) {
+            return;
+        }
 
-		// Save the item.
-		$this->items[] = apply_filters( 'getpaid_payment_form_submission_processed_item', $item, $submission );
+        // Save the item.
+        $this->items[] = apply_filters( 'getpaid_payment_form_submission_processed_item', $item, $submission );
 
-	}
+    }
 
 }

includes/payments/class-getpaid-payment-form-submission.php

Indentation +878 added lines, -878 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -10,199 +10,199 @@ 
 class GetPaid_Payment_Form_Submission {
 
     /**
-	 * Submission ID
-	 *
-	 * @var string
-	 */
-	public $id = null;
-
-	/**
-	 * The raw submission data.
-	 *
-	 * @var array
-	 */
-	protected $data = null;
-
-	/**
-	 * Submission totals
-	 *
-	 * @var array
-	 */
-	protected $totals = array(
-
-		'subtotal' => array(
-			'initial'   => 0,
-			'recurring' => 0,
-		),
-
-		'discount' => array(
-			'initial'   => 0,
-			'recurring' => 0,
-		),
-
-		'fees'     => array(
-			'initial'   => 0,
-			'recurring' => 0,
-		),
-
-		'taxes'    => array(
-			'initial'   => 0,
-			'recurring' => 0,
-		),
-
-		'shipping' => array(
-			'initial'   => 0,
-			'recurring' => 0,
-		),
-
-	);
-
-	/**
-	 * Sets the associated payment form.
-	 *
-	 * @var GetPaid_Payment_Form
-	 */
+     * Submission ID
+     *
+     * @var string
+     */
+    public $id = null;
+
+    /**
+     * The raw submission data.
+     *
+     * @var array
+     */
+    protected $data = null;
+
+    /**
+     * Submission totals
+     *
+     * @var array
+     */
+    protected $totals = array(
+
+        'subtotal' => array(
+            'initial'   => 0,
+            'recurring' => 0,
+        ),
+
+        'discount' => array(
+            'initial'   => 0,
+            'recurring' => 0,
+        ),
+
+        'fees'     => array(
+            'initial'   => 0,
+            'recurring' => 0,
+        ),
+
+        'taxes'    => array(
+            'initial'   => 0,
+            'recurring' => 0,
+        ),
+
+        'shipping' => array(
+            'initial'   => 0,
+            'recurring' => 0,
+        ),
+
+    );
+
+    /**
+     * Sets the associated payment form.
+     *
+     * @var GetPaid_Payment_Form
+     */
     protected $payment_form = null;
 
     /**
-	 * The country for the submission.
-	 *
-	 * @var string
-	 */
-	public $country = null;
-
-    /**
-	 * The state for the submission.
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	public $state = null;
-
-	/**
-	 * The invoice associated with the submission.
-	 *
-	 * @var WPInv_Invoice
-	 */
-	protected $invoice = null;
-
-	/**
-	 * The recurring item for the submission.
-	 *
-	 * @var int
-	 */
-	public $has_recurring = 0;
-
-	/**
-	 * An array of fees for the submission.
-	 *
-	 * @var array
-	 */
-	protected $fees = array();
-
-	/**
-	 * An array of discounts for the submission.
-	 *
-	 * @var array
-	 */
-	protected $discounts = array();
-
-	/**
-	 * An array of taxes for the submission.
-	 *
-	 * @var array
-	 */
-	protected $taxes = array();
-
-	/**
-	 * An array of items for the submission.
-	 *
-	 * @var GetPaid_Form_Item[]
-	 */
-	protected $items = array();
-
-	/**
-	 * The last error.
-	 *
-	 * @var string
-	 */
-	public $last_error = null;
-
-	/**
-	 * The last error code.
-	 *
-	 * @var string
-	 */
-	public $last_error_code = null;
-
-    /**
-	 * Class constructor.
-	 *
-	 */
-	public function __construct() {
-
-		// Set the state and country to the default state and country.
-		$this->country = wpinv_default_billing_country();
-		$this->state   = wpinv_get_default_state();
-
-		// Do we have an actual submission?
-		if ( isset( $_POST['getpaid_payment_form_submission'] ) ) {
-			$this->load_data( wp_kses_post_deep( wp_unslash( $_POST ) ) );
-		}
-
-	}
-
-	/**
-	 * Loads submission data.
-	 *
-	 * @param array $data
-	 */
-	public function load_data( $data ) {
-
-		// Allow plugins to filter the data.
-		$data       = apply_filters( 'getpaid_submission_data', $data, $this );
-
-		// Cache it...
-		$this->data = $data;
-
-		// Then generate a unique id from the data.
-		$this->id   = md5( wp_json_encode( $data ) );
-
-		// Finally, process the submission.
-		try {
-
-			// Each process is passed an instance of the class (with reference)
-			// and should throw an Exception whenever it encounters one.
-			$processors = apply_filters(
-				'getpaid_payment_form_submission_processors',
-				array(
-					array( $this, 'process_payment_form' ),
-					array( $this, 'process_invoice' ),
-					array( $this, 'process_fees' ),
-					array( $this, 'process_items' ),
-					array( $this, 'process_discount' ),
-					array( $this, 'process_taxes' ),
-				),
-				$this
-			);
-
-			foreach ( $processors as $processor ) {
-				call_user_func_array( $processor, array( &$this ) );
-			}
-		} catch ( GetPaid_Payment_Exception $e ) {
-			$this->last_error      = $e->getMessage();
-			$this->last_error_code = $e->getErrorCode();
-		} catch ( Exception $e ) {
-			$this->last_error      = $e->getMessage();
-			$this->last_error_code = $e->getCode();
-		}
-
-		// Fired when we are done processing a submission.
-		do_action_ref_array( 'getpaid_process_submission', array( &$this ) );
-
-	}
-
-	/*
+     * The country for the submission.
+     *
+     * @var string
+     */
+    public $country = null;
+
+    /**
+     * The state for the submission.
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    public $state = null;
+
+    /**
+     * The invoice associated with the submission.
+     *
+     * @var WPInv_Invoice
+     */
+    protected $invoice = null;
+
+    /**
+     * The recurring item for the submission.
+     *
+     * @var int
+     */
+    public $has_recurring = 0;
+
+    /**
+     * An array of fees for the submission.
+     *
+     * @var array
+     */
+    protected $fees = array();
+
+    /**
+     * An array of discounts for the submission.
+     *
+     * @var array
+     */
+    protected $discounts = array();
+
+    /**
+     * An array of taxes for the submission.
+     *
+     * @var array
+     */
+    protected $taxes = array();
+
+    /**
+     * An array of items for the submission.
+     *
+     * @var GetPaid_Form_Item[]
+     */
+    protected $items = array();
+
+    /**
+     * The last error.
+     *
+     * @var string
+     */
+    public $last_error = null;
+
+    /**
+     * The last error code.
+     *
+     * @var string
+     */
+    public $last_error_code = null;
+
+    /**
+     * Class constructor.
+     *
+     */
+    public function __construct() {
+
+        // Set the state and country to the default state and country.
+        $this->country = wpinv_default_billing_country();
+        $this->state   = wpinv_get_default_state();
+
+        // Do we have an actual submission?
+        if ( isset( $_POST['getpaid_payment_form_submission'] ) ) {
+            $this->load_data( wp_kses_post_deep( wp_unslash( $_POST ) ) );
+        }
+
+    }
+
+    /**
+     * Loads submission data.
+     *
+     * @param array $data
+     */
+    public function load_data( $data ) {
+
+        // Allow plugins to filter the data.
+        $data       = apply_filters( 'getpaid_submission_data', $data, $this );
+
+        // Cache it...
+        $this->data = $data;
+
+        // Then generate a unique id from the data.
+        $this->id   = md5( wp_json_encode( $data ) );
+
+        // Finally, process the submission.
+        try {
+
+            // Each process is passed an instance of the class (with reference)
+            // and should throw an Exception whenever it encounters one.
+            $processors = apply_filters(
+                'getpaid_payment_form_submission_processors',
+                array(
+                    array( $this, 'process_payment_form' ),
+                    array( $this, 'process_invoice' ),
+                    array( $this, 'process_fees' ),
+                    array( $this, 'process_items' ),
+                    array( $this, 'process_discount' ),
+                    array( $this, 'process_taxes' ),
+                ),
+                $this
+            );
+
+            foreach ( $processors as $processor ) {
+                call_user_func_array( $processor, array( &$this ) );
+            }
+        } catch ( GetPaid_Payment_Exception $e ) {
+            $this->last_error      = $e->getMessage();
+            $this->last_error_code = $e->getErrorCode();
+        } catch ( Exception $e ) {
+            $this->last_error      = $e->getMessage();
+            $this->last_error_code = $e->getCode();
+        }
+
+        // Fired when we are done processing a submission.
+        do_action_ref_array( 'getpaid_process_submission', array( &$this ) );
+
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Payment Forms.
 	|--------------------------------------------------------------------------
@@ -211,39 +211,39 @@ 
 	| submission has an active payment form etc.
     */
 
-	/**
-	 * Prepares the submission's payment form.
-	 *
-	 * @since 1.0.19
-	 */
-	public function process_payment_form() {
+    /**
+     * Prepares the submission's payment form.
+     *
+     * @since 1.0.19
+     */
+    public function process_payment_form() {
 
-		// Every submission needs an active payment form.
-		if ( empty( $this->data['form_id'] ) ) {
-			throw new Exception( __( 'Missing payment form', 'invoicing' ) );
-		}
+        // Every submission needs an active payment form.
+        if ( empty( $this->data['form_id'] ) ) {
+            throw new Exception( __( 'Missing payment form', 'invoicing' ) );
+        }
 
-		// Fetch the payment form.
-		$this->payment_form = new GetPaid_Payment_Form( $this->data['form_id'] );
+        // Fetch the payment form.
+        $this->payment_form = new GetPaid_Payment_Form( $this->data['form_id'] );
 
-		if ( ! $this->payment_form->is_active() ) {
-			throw new Exception( __( 'Payment form not active', 'invoicing' ) );
-		}
+        if ( ! $this->payment_form->is_active() ) {
+            throw new Exception( __( 'Payment form not active', 'invoicing' ) );
+        }
 
-		do_action_ref_array( 'getpaid_submissions_process_payment_form', array( &$this ) );
-	}
+        do_action_ref_array( 'getpaid_submissions_process_payment_form', array( &$this ) );
+    }
 
     /**
-	 * Returns the payment form.
-	 *
-	 * @since 1.0.19
-	 * @return GetPaid_Payment_Form
-	 */
-	public function get_payment_form() {
-		return $this->payment_form;
-	}
+     * Returns the payment form.
+     *
+     * @since 1.0.19
+     * @return GetPaid_Payment_Form
+     */
+    public function get_payment_form() {
+        return $this->payment_form;
+    }
 
-	/*
+    /*
 	|--------------------------------------------------------------------------
 	| Invoices.
 	|--------------------------------------------------------------------------
@@ -252,95 +252,95 @@ 
 	| might be for an existing invoice.
 	*/
 
-	/**
-	 * Prepares the submission's invoice.
-	 *
-	 * @since 1.0.19
-	 */
-	public function process_invoice() {
-
-		// Abort if there is no invoice.
-		if ( empty( $this->data['invoice_id'] ) ) {
-
-			// Check if we are resuming a payment.
-			if ( empty( $this->data['maybe_use_invoice'] ) ) {
-				return;
-			}
-
-			$invoice = wpinv_get_invoice( $this->data['maybe_use_invoice'] );
-			if ( empty( $invoice ) || ! $invoice->has_status( 'draft, auto-draft, wpi-pending' ) ) {
-				return;
-			}
-		}
-
-		// If the submission is for an existing invoice, ensure that it exists
-		// and that it is not paid for.
-		if ( empty( $invoice ) ) {
-			$invoice = wpinv_get_invoice( $this->data['invoice_id'] );
-		}
+    /**
+     * Prepares the submission's invoice.
+     *
+     * @since 1.0.19
+     */
+    public function process_invoice() {
+
+        // Abort if there is no invoice.
+        if ( empty( $this->data['invoice_id'] ) ) {
+
+            // Check if we are resuming a payment.
+            if ( empty( $this->data['maybe_use_invoice'] ) ) {
+                return;
+            }
+
+            $invoice = wpinv_get_invoice( $this->data['maybe_use_invoice'] );
+            if ( empty( $invoice ) || ! $invoice->has_status( 'draft, auto-draft, wpi-pending' ) ) {
+                return;
+            }
+        }
+
+        // If the submission is for an existing invoice, ensure that it exists
+        // and that it is not paid for.
+        if ( empty( $invoice ) ) {
+            $invoice = wpinv_get_invoice( $this->data['invoice_id'] );
+        }
 
         if ( empty( $invoice ) ) {
-			throw new Exception( __( 'Invalid invoice', 'invoicing' ) );
-		}
-
-		if ( $invoice->is_paid() ) {
-			throw new Exception( __( 'This invoice is already paid for.', 'invoicing' ) );
-		}
-
-		$this->payment_form->invoice = $invoice;
-		if ( ! $this->payment_form->is_default() ) {
-
-			$items    = array();
-			$item_ids = array();
-
-			foreach ( $invoice->get_items() as $item ) {
-				if ( ! in_array( $item->get_id(), $item_ids ) ) {
-					$item_ids[] = $item->get_id();
-					$items[]    = $item;
-				}
-			}
-
-			foreach ( $this->payment_form->get_items() as $item ) {
-				if ( ! in_array( $item->get_id(), $item_ids ) ) {
-					$item_ids[] = $item->get_id();
-					$items[]    = $item;
-				}
-			}
-
-			$this->payment_form->set_items( $items );
-
-		} else {
-			$this->payment_form->set_items( $invoice->get_items() );
-		}
-
-		$this->country = $invoice->get_country();
-		$this->state   = $invoice->get_state();
-		$this->invoice = $invoice;
-
-		do_action_ref_array( 'getpaid_submissions_process_invoice', array( &$this ) );
-	}
-
-	/**
-	 * Returns the associated invoice.
-	 *
-	 * @since 1.0.19
-	 * @return WPInv_Invoice
-	 */
-	public function get_invoice() {
-		return $this->invoice;
-	}
-
-	/**
-	 * Checks whether there is an invoice associated with this submission.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function has_invoice() {
-		return ! empty( $this->invoice );
-	}
-
-	/*
+            throw new Exception( __( 'Invalid invoice', 'invoicing' ) );
+        }
+
+        if ( $invoice->is_paid() ) {
+            throw new Exception( __( 'This invoice is already paid for.', 'invoicing' ) );
+        }
+
+        $this->payment_form->invoice = $invoice;
+        if ( ! $this->payment_form->is_default() ) {
+
+            $items    = array();
+            $item_ids = array();
+
+            foreach ( $invoice->get_items() as $item ) {
+                if ( ! in_array( $item->get_id(), $item_ids ) ) {
+                    $item_ids[] = $item->get_id();
+                    $items[]    = $item;
+                }
+            }
+
+            foreach ( $this->payment_form->get_items() as $item ) {
+                if ( ! in_array( $item->get_id(), $item_ids ) ) {
+                    $item_ids[] = $item->get_id();
+                    $items[]    = $item;
+                }
+            }
+
+            $this->payment_form->set_items( $items );
+
+        } else {
+            $this->payment_form->set_items( $invoice->get_items() );
+        }
+
+        $this->country = $invoice->get_country();
+        $this->state   = $invoice->get_state();
+        $this->invoice = $invoice;
+
+        do_action_ref_array( 'getpaid_submissions_process_invoice', array( &$this ) );
+    }
+
+    /**
+     * Returns the associated invoice.
+     *
+     * @since 1.0.19
+     * @return WPInv_Invoice
+     */
+    public function get_invoice() {
+        return $this->invoice;
+    }
+
+    /**
+     * Checks whether there is an invoice associated with this submission.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function has_invoice() {
+        return ! empty( $this->invoice );
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Items.
 	|--------------------------------------------------------------------------
@@ -349,129 +349,129 @@ 
 	| recurring item. But can have an unlimited number of non-recurring items.
 	*/
 
-	/**
-	 * Prepares the submission's items.
-	 *
-	 * @since 1.0.19
-	 */
-	public function process_items() {
-
-		$processor = new GetPaid_Payment_Form_Submission_Items( $this );
-
-		foreach ( $processor->items as $item ) {
-			$this->add_item( $item );
-		}
-
-		do_action_ref_array( 'getpaid_submissions_process_items', array( &$this ) );
-	}
-
-	/**
-	 * Adds an item to the submission.
-	 *
-	 * @since 1.0.19
-	 * @param GetPaid_Form_Item $item
-	 */
-	public function add_item( $item ) {
-
-		// Make sure that it is available for purchase.
-		if ( ! $item->can_purchase() || isset( $this->items[ $item->get_id() ] ) ) {
-			return;
-		}
-
-		// Each submission can only contain one recurring item.
-		if ( $item->is_recurring() ) {
-			$this->has_recurring = $item->get_id();
-		}
-
-		// Update the items and totals.
-		$this->items[ $item->get_id() ]         = $item;
-		$this->totals['subtotal']['initial']   += $item->get_sub_total();
-		$this->totals['subtotal']['recurring'] += $item->get_recurring_sub_total();
-
-	}
-
-	/**
-	 * Removes a specific item.
-	 *
-	 * You should not call this method after the discounts and taxes
-	 * have been calculated.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_item( $item_id ) {
-
-		if ( isset( $this->items[ $item_id ] ) ) {
-			$this->totals['subtotal']['initial']   -= $this->items[ $item_id ]->get_sub_total();
-			$this->totals['subtotal']['recurring'] -= $this->items[ $item_id ]->get_recurring_sub_total();
-
-			if ( $this->items[ $item_id ]->is_recurring() ) {
-				$this->has_recurring = 0;
-			}
-
-			unset( $this->items[ $item_id ] );
-		}
-
-	}
-
-	/**
-	 * Returns the subtotal.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_subtotal() {
-
-		if ( wpinv_prices_include_tax() ) {
-			return $this->totals['subtotal']['initial'] - $this->totals['taxes']['initial'];
-		}
-
-		return $this->totals['subtotal']['initial'];
-	}
-
-	/**
-	 * Returns the recurring subtotal.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_recurring_subtotal() {
-
-		if ( wpinv_prices_include_tax() ) {
-			return $this->totals['subtotal']['recurring'] - $this->totals['taxes']['recurring'];
-		}
-
-		return $this->totals['subtotal']['recurring'];
-	}
-
-	/**
-	 * Returns all items.
-	 *
-	 * @since 1.0.19
-	 * @return GetPaid_Form_Item[]
-	 */
-	public function get_items() {
-		return $this->items;
-	}
-
-	/**
-	 * Checks if there's a single subscription group in the submission.
-	 *
-	 * @since 2.3.0
-	 * @return bool
-	 */
-	public function has_subscription_group() {
-		return $this->has_recurring && getpaid_should_group_subscriptions( $this ) && 1 == count( getpaid_get_subscription_groups( $this ) );
-	}
-
-	/**
-	 * Checks if there are multipe subscription groups in the submission.
-	 *
-	 * @since 2.3.0
-	 * @return bool
-	 */
-	public function has_multiple_subscription_groups() {
-		return $this->has_recurring && 1 < count( getpaid_get_subscription_groups( $this ) );
-	}
-
-	/*
+    /**
+     * Prepares the submission's items.
+     *
+     * @since 1.0.19
+     */
+    public function process_items() {
+
+        $processor = new GetPaid_Payment_Form_Submission_Items( $this );
+
+        foreach ( $processor->items as $item ) {
+            $this->add_item( $item );
+        }
+
+        do_action_ref_array( 'getpaid_submissions_process_items', array( &$this ) );
+    }
+
+    /**
+     * Adds an item to the submission.
+     *
+     * @since 1.0.19
+     * @param GetPaid_Form_Item $item
+     */
+    public function add_item( $item ) {
+
+        // Make sure that it is available for purchase.
+        if ( ! $item->can_purchase() || isset( $this->items[ $item->get_id() ] ) ) {
+            return;
+        }
+
+        // Each submission can only contain one recurring item.
+        if ( $item->is_recurring() ) {
+            $this->has_recurring = $item->get_id();
+        }
+
+        // Update the items and totals.
+        $this->items[ $item->get_id() ]         = $item;
+        $this->totals['subtotal']['initial']   += $item->get_sub_total();
+        $this->totals['subtotal']['recurring'] += $item->get_recurring_sub_total();
+
+    }
+
+    /**
+     * Removes a specific item.
+     *
+     * You should not call this method after the discounts and taxes
+     * have been calculated.
+     *
+     * @since 1.0.19
+     */
+    public function remove_item( $item_id ) {
+
+        if ( isset( $this->items[ $item_id ] ) ) {
+            $this->totals['subtotal']['initial']   -= $this->items[ $item_id ]->get_sub_total();
+            $this->totals['subtotal']['recurring'] -= $this->items[ $item_id ]->get_recurring_sub_total();
+
+            if ( $this->items[ $item_id ]->is_recurring() ) {
+                $this->has_recurring = 0;
+            }
+
+            unset( $this->items[ $item_id ] );
+        }
+
+    }
+
+    /**
+     * Returns the subtotal.
+     *
+     * @since 1.0.19
+     */
+    public function get_subtotal() {
+
+        if ( wpinv_prices_include_tax() ) {
+            return $this->totals['subtotal']['initial'] - $this->totals['taxes']['initial'];
+        }
+
+        return $this->totals['subtotal']['initial'];
+    }
+
+    /**
+     * Returns the recurring subtotal.
+     *
+     * @since 1.0.19
+     */
+    public function get_recurring_subtotal() {
+
+        if ( wpinv_prices_include_tax() ) {
+            return $this->totals['subtotal']['recurring'] - $this->totals['taxes']['recurring'];
+        }
+
+        return $this->totals['subtotal']['recurring'];
+    }
+
+    /**
+     * Returns all items.
+     *
+     * @since 1.0.19
+     * @return GetPaid_Form_Item[]
+     */
+    public function get_items() {
+        return $this->items;
+    }
+
+    /**
+     * Checks if there's a single subscription group in the submission.
+     *
+     * @since 2.3.0
+     * @return bool
+     */
+    public function has_subscription_group() {
+        return $this->has_recurring && getpaid_should_group_subscriptions( $this ) && 1 == count( getpaid_get_subscription_groups( $this ) );
+    }
+
+    /**
+     * Checks if there are multipe subscription groups in the submission.
+     *
+     * @since 2.3.0
+     * @return bool
+     */
+    public function has_multiple_subscription_groups() {
+        return $this->has_recurring && 1 < count( getpaid_get_subscription_groups( $this ) );
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Taxes
 	|--------------------------------------------------------------------------
@@ -480,128 +480,128 @@ 
 	| or only one-time.
     */
 
-	/**
-	 * Prepares the submission's taxes.
-	 *
-	 * @since 1.0.19
-	 */
-	public function process_taxes() {
-
-		// Abort if we're not using taxes.
-		if ( ! $this->use_taxes() ) {
-			return;
-		}
-
-		// If a custom country && state has been passed in, use it to calculate taxes.
-		$country = $this->get_field( 'wpinv_country', 'billing' );
-		if ( ! empty( $country ) ) {
-			$this->country = $country;
-		}
-
-		$state = $this->get_field( 'wpinv_state', 'billing' );
-		if ( ! empty( $state ) ) {
-			$this->state = $state;
-		}
-
-		// Confirm if the provided country and the ip country are similar.
-		$address_confirmed = $this->get_field( 'confirm-address' );
-		if ( isset( $_POST['billing']['country'] ) && wpinv_should_validate_vat_number() && getpaid_get_ip_country() != $this->country && empty( $address_confirmed ) ) {
-			throw new Exception( __( 'The country of your current location must be the same as the country of your billing location or you must confirm the billing address is your home country.', 'invoicing' ) );
-		}
-
-		// Abort if the country is not taxable.
-		if ( ! wpinv_is_country_taxable( $this->country ) ) {
-			return;
-		}
-
-		$processor = new GetPaid_Payment_Form_Submission_Taxes( $this );
-
-		foreach ( $processor->taxes as $tax ) {
-			$this->add_tax( $tax );
-		}
-
-		do_action_ref_array( 'getpaid_submissions_process_taxes', array( &$this ) );
-	}
-
-	/**
-	 * Adds a tax to the submission.
-	 *
-	 * @param array $tax An array of tax details. name, initial_tax, and recurring_tax are required.
-	 * @since 1.0.19
-	 */
-	public function add_tax( $tax ) {
-
-		if ( wpinv_round_tax_per_tax_rate() ) {
-			$tax['initial_tax']   = wpinv_round_amount( $tax['initial_tax'] );
-			$tax['recurring_tax'] = wpinv_round_amount( $tax['recurring_tax'] );
-		}
-
-		$this->taxes[ $tax['name'] ]         = $tax;
-		$this->totals['taxes']['initial']   += wpinv_sanitize_amount( $tax['initial_tax'] );
-		$this->totals['taxes']['recurring'] += wpinv_sanitize_amount( $tax['recurring_tax'] );
-
-	}
-
-	/**
-	 * Removes a specific tax.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_tax( $tax_name ) {
-
-		if ( isset( $this->taxes[ $tax_name ] ) ) {
-			$this->totals['taxes']['initial']   -= $this->taxes[ $tax_name ]['initial_tax'];
-			$this->totals['taxes']['recurring'] -= $this->taxes[ $tax_name ]['recurring_tax'];
-			unset( $this->taxes[ $tax_name ] );
-		}
-
-	}
-
-	/**
-	 * Whether or not we'll use taxes for the submission.
-	 *
-	 * @since 1.0.19
-	 */
-	public function use_taxes() {
-
-		$use_taxes = wpinv_use_taxes();
-
-		if ( $this->has_invoice() && ! $this->invoice->is_taxable() ) {
-			$use_taxes = false;
-		}
-
-		return apply_filters( 'getpaid_submission_use_taxes', $use_taxes, $this );
-
-	}
-
-	/**
-	 * Returns the tax.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_tax() {
-		return $this->totals['taxes']['initial'];
-	}
-
-	/**
-	 * Returns the recurring tax.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_recurring_tax() {
-		return $this->totals['taxes']['recurring'];
-	}
-
-	/**
-	 * Returns all taxes.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_taxes() {
-		return $this->taxes;
-	}
-
-	/*
+    /**
+     * Prepares the submission's taxes.
+     *
+     * @since 1.0.19
+     */
+    public function process_taxes() {
+
+        // Abort if we're not using taxes.
+        if ( ! $this->use_taxes() ) {
+            return;
+        }
+
+        // If a custom country && state has been passed in, use it to calculate taxes.
+        $country = $this->get_field( 'wpinv_country', 'billing' );
+        if ( ! empty( $country ) ) {
+            $this->country = $country;
+        }
+
+        $state = $this->get_field( 'wpinv_state', 'billing' );
+        if ( ! empty( $state ) ) {
+            $this->state = $state;
+        }
+
+        // Confirm if the provided country and the ip country are similar.
+        $address_confirmed = $this->get_field( 'confirm-address' );
+        if ( isset( $_POST['billing']['country'] ) && wpinv_should_validate_vat_number() && getpaid_get_ip_country() != $this->country && empty( $address_confirmed ) ) {
+            throw new Exception( __( 'The country of your current location must be the same as the country of your billing location or you must confirm the billing address is your home country.', 'invoicing' ) );
+        }
+
+        // Abort if the country is not taxable.
+        if ( ! wpinv_is_country_taxable( $this->country ) ) {
+            return;
+        }
+
+        $processor = new GetPaid_Payment_Form_Submission_Taxes( $this );
+
+        foreach ( $processor->taxes as $tax ) {
+            $this->add_tax( $tax );
+        }
+
+        do_action_ref_array( 'getpaid_submissions_process_taxes', array( &$this ) );
+    }
+
+    /**
+     * Adds a tax to the submission.
+     *
+     * @param array $tax An array of tax details. name, initial_tax, and recurring_tax are required.
+     * @since 1.0.19
+     */
+    public function add_tax( $tax ) {
+
+        if ( wpinv_round_tax_per_tax_rate() ) {
+            $tax['initial_tax']   = wpinv_round_amount( $tax['initial_tax'] );
+            $tax['recurring_tax'] = wpinv_round_amount( $tax['recurring_tax'] );
+        }
+
+        $this->taxes[ $tax['name'] ]         = $tax;
+        $this->totals['taxes']['initial']   += wpinv_sanitize_amount( $tax['initial_tax'] );
+        $this->totals['taxes']['recurring'] += wpinv_sanitize_amount( $tax['recurring_tax'] );
+
+    }
+
+    /**
+     * Removes a specific tax.
+     *
+     * @since 1.0.19
+     */
+    public function remove_tax( $tax_name ) {
+
+        if ( isset( $this->taxes[ $tax_name ] ) ) {
+            $this->totals['taxes']['initial']   -= $this->taxes[ $tax_name ]['initial_tax'];
+            $this->totals['taxes']['recurring'] -= $this->taxes[ $tax_name ]['recurring_tax'];
+            unset( $this->taxes[ $tax_name ] );
+        }
+
+    }
+
+    /**
+     * Whether or not we'll use taxes for the submission.
+     *
+     * @since 1.0.19
+     */
+    public function use_taxes() {
+
+        $use_taxes = wpinv_use_taxes();
+
+        if ( $this->has_invoice() && ! $this->invoice->is_taxable() ) {
+            $use_taxes = false;
+        }
+
+        return apply_filters( 'getpaid_submission_use_taxes', $use_taxes, $this );
+
+    }
+
+    /**
+     * Returns the tax.
+     *
+     * @since 1.0.19
+     */
+    public function get_tax() {
+        return $this->totals['taxes']['initial'];
+    }
+
+    /**
+     * Returns the recurring tax.
+     *
+     * @since 1.0.19
+     */
+    public function get_recurring_tax() {
+        return $this->totals['taxes']['recurring'];
+    }
+
+    /**
+     * Returns all taxes.
+     *
+     * @since 1.0.19
+     */
+    public function get_taxes() {
+        return $this->taxes;
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Discounts
 	|--------------------------------------------------------------------------
@@ -610,99 +610,99 @@ 
 	| or only one-time. They also do not have to come from a discount code.
     */
 
-	/**
-	 * Prepares the submission's discount.
-	 *
-	 * @since 1.0.19
-	 */
-	public function process_discount() {
-
-		$initial_total    = $this->get_subtotal() + $this->get_fee() + $this->get_tax();
-		$recurring_total  = $this->get_recurring_subtotal() + $this->get_recurring_fee() + $this->get_recurring_tax();
-		$processor        = new GetPaid_Payment_Form_Submission_Discount( $this, $initial_total, $recurring_total );
-
-		foreach ( $processor->discounts as $discount ) {
-			$this->add_discount( $discount );
-		}
-
-		do_action_ref_array( 'getpaid_submissions_process_discounts', array( &$this ) );
-	}
-
-	/**
-	 * Adds a discount to the submission.
-	 *
-	 * @param array $discount An array of discount details. name, initial_discount, and recurring_discount are required. Include discount_code if the discount is from a discount code.
-	 * @since 1.0.19
-	 */
-	public function add_discount( $discount ) {
-		$this->discounts[ $discount['name'] ]   = $discount;
-		$this->totals['discount']['initial']   += wpinv_sanitize_amount( $discount['initial_discount'] );
-		$this->totals['discount']['recurring'] += wpinv_sanitize_amount( $discount['recurring_discount'] );
-	}
-
-	/**
-	 * Removes a discount from the submission.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_discount( $name ) {
-
-		if ( isset( $this->discounts[ $name ] ) ) {
-			$this->totals['discount']['initial']   -= $this->discounts[ $name ]['initial_discount'];
-			$this->totals['discount']['recurring'] -= $this->discounts[ $name ]['recurring_discount'];
-			unset( $this->discounts[ $name ] );
-		}
-
-	}
-
-	/**
-	 * Checks whether there is a discount code associated with this submission.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function has_discount_code() {
-		return ! empty( $this->discounts['discount_code'] );
-	}
-
-	/**
-	 * Returns the discount code.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_discount_code() {
-		return $this->has_discount_code() ? $this->discounts['discount_code']['discount_code'] : '';
-	}
-
-	/**
-	 * Returns the discount.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_discount() {
-		return $this->totals['discount']['initial'];
-	}
-
-	/**
-	 * Returns the recurring discount.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_recurring_discount() {
-		return $this->totals['discount']['recurring'];
-	}
-
-	/**
-	 * Returns all discounts.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_discounts() {
-		return $this->discounts;
-	}
-
-	/*
+    /**
+     * Prepares the submission's discount.
+     *
+     * @since 1.0.19
+     */
+    public function process_discount() {
+
+        $initial_total    = $this->get_subtotal() + $this->get_fee() + $this->get_tax();
+        $recurring_total  = $this->get_recurring_subtotal() + $this->get_recurring_fee() + $this->get_recurring_tax();
+        $processor        = new GetPaid_Payment_Form_Submission_Discount( $this, $initial_total, $recurring_total );
+
+        foreach ( $processor->discounts as $discount ) {
+            $this->add_discount( $discount );
+        }
+
+        do_action_ref_array( 'getpaid_submissions_process_discounts', array( &$this ) );
+    }
+
+    /**
+     * Adds a discount to the submission.
+     *
+     * @param array $discount An array of discount details. name, initial_discount, and recurring_discount are required. Include discount_code if the discount is from a discount code.
+     * @since 1.0.19
+     */
+    public function add_discount( $discount ) {
+        $this->discounts[ $discount['name'] ]   = $discount;
+        $this->totals['discount']['initial']   += wpinv_sanitize_amount( $discount['initial_discount'] );
+        $this->totals['discount']['recurring'] += wpinv_sanitize_amount( $discount['recurring_discount'] );
+    }
+
+    /**
+     * Removes a discount from the submission.
+     *
+     * @since 1.0.19
+     */
+    public function remove_discount( $name ) {
+
+        if ( isset( $this->discounts[ $name ] ) ) {
+            $this->totals['discount']['initial']   -= $this->discounts[ $name ]['initial_discount'];
+            $this->totals['discount']['recurring'] -= $this->discounts[ $name ]['recurring_discount'];
+            unset( $this->discounts[ $name ] );
+        }
+
+    }
+
+    /**
+     * Checks whether there is a discount code associated with this submission.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function has_discount_code() {
+        return ! empty( $this->discounts['discount_code'] );
+    }
+
+    /**
+     * Returns the discount code.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_discount_code() {
+        return $this->has_discount_code() ? $this->discounts['discount_code']['discount_code'] : '';
+    }
+
+    /**
+     * Returns the discount.
+     *
+     * @since 1.0.19
+     */
+    public function get_discount() {
+        return $this->totals['discount']['initial'];
+    }
+
+    /**
+     * Returns the recurring discount.
+     *
+     * @since 1.0.19
+     */
+    public function get_recurring_discount() {
+        return $this->totals['discount']['recurring'];
+    }
+
+    /**
+     * Returns all discounts.
+     *
+     * @since 1.0.19
+     */
+    public function get_discounts() {
+        return $this->discounts;
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Fees
 	|--------------------------------------------------------------------------
@@ -712,100 +712,100 @@ 
 	| fees.
     */
 
-	/**
-	 * Prepares the submission's fees.
-	 *
-	 * @since 1.0.19
-	 */
-	public function process_fees() {
-
-		$fees_processor = new GetPaid_Payment_Form_Submission_Fees( $this );
-
-		foreach ( $fees_processor->fees as $fee ) {
-			$this->add_fee( $fee );
-		}
-
-		do_action_ref_array( 'getpaid_submissions_process_fees', array( &$this ) );
-	}
-
-	/**
-	 * Adds a fee to the submission.
-	 *
-	 * @param array $fee An array of fee details. name, initial_fee, and recurring_fee are required.
-	 * @since 1.0.19
-	 */
-	public function add_fee( $fee ) {
-
-		if ( $fee['name'] == 'shipping' ) {
-			$this->totals['shipping']['initial']   += wpinv_sanitize_amount( $fee['initial_fee'] );
-			$this->totals['shipping']['recurring'] += wpinv_sanitize_amount( $fee['recurring_fee'] );
-			return;
-		}
-
-		$this->fees[ $fee['name'] ]         = $fee;
-		$this->totals['fees']['initial']   += wpinv_sanitize_amount( $fee['initial_fee'] );
-		$this->totals['fees']['recurring'] += wpinv_sanitize_amount( $fee['recurring_fee'] );
-
-	}
-
-	/**
-	 * Removes a fee from the submission.
-	 *
-	 * @since 1.0.19
-	 */
-	public function remove_fee( $name ) {
-
-		if ( isset( $this->fees[ $name ] ) ) {
-			$this->totals['fees']['initial']   -= $this->fees[ $name ]['initial_fee'];
-			$this->totals['fees']['recurring'] -= $this->fees[ $name ]['recurring_fee'];
-			unset( $this->fees[ $name ] );
-		}
-
-		if ( 'shipping' == $name ) {
-			$this->totals['shipping']['initial']   = 0;
-			$this->totals['shipping']['recurring'] = 0;
-		}
-
-	}
-
-	/**
-	 * Returns the fees.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_fee() {
-		return $this->totals['fees']['initial'];
-	}
-
-	/**
-	 * Returns the recurring fees.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_recurring_fee() {
-		return $this->totals['fees']['recurring'];
-	}
-
-	/**
-	 * Returns all fees.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_fees() {
-		return $this->fees;
-	}
-
-	/**
-	 * Checks if there are any fees for the form.
-	 *
-	 * @return bool
-	 * @since 1.0.19
-	 */
-	public function has_fees() {
-		return count( $this->fees ) !== 0;
-	}
-
-	/*
+    /**
+     * Prepares the submission's fees.
+     *
+     * @since 1.0.19
+     */
+    public function process_fees() {
+
+        $fees_processor = new GetPaid_Payment_Form_Submission_Fees( $this );
+
+        foreach ( $fees_processor->fees as $fee ) {
+            $this->add_fee( $fee );
+        }
+
+        do_action_ref_array( 'getpaid_submissions_process_fees', array( &$this ) );
+    }
+
+    /**
+     * Adds a fee to the submission.
+     *
+     * @param array $fee An array of fee details. name, initial_fee, and recurring_fee are required.
+     * @since 1.0.19
+     */
+    public function add_fee( $fee ) {
+
+        if ( $fee['name'] == 'shipping' ) {
+            $this->totals['shipping']['initial']   += wpinv_sanitize_amount( $fee['initial_fee'] );
+            $this->totals['shipping']['recurring'] += wpinv_sanitize_amount( $fee['recurring_fee'] );
+            return;
+        }
+
+        $this->fees[ $fee['name'] ]         = $fee;
+        $this->totals['fees']['initial']   += wpinv_sanitize_amount( $fee['initial_fee'] );
+        $this->totals['fees']['recurring'] += wpinv_sanitize_amount( $fee['recurring_fee'] );
+
+    }
+
+    /**
+     * Removes a fee from the submission.
+     *
+     * @since 1.0.19
+     */
+    public function remove_fee( $name ) {
+
+        if ( isset( $this->fees[ $name ] ) ) {
+            $this->totals['fees']['initial']   -= $this->fees[ $name ]['initial_fee'];
+            $this->totals['fees']['recurring'] -= $this->fees[ $name ]['recurring_fee'];
+            unset( $this->fees[ $name ] );
+        }
+
+        if ( 'shipping' == $name ) {
+            $this->totals['shipping']['initial']   = 0;
+            $this->totals['shipping']['recurring'] = 0;
+        }
+
+    }
+
+    /**
+     * Returns the fees.
+     *
+     * @since 1.0.19
+     */
+    public function get_fee() {
+        return $this->totals['fees']['initial'];
+    }
+
+    /**
+     * Returns the recurring fees.
+     *
+     * @since 1.0.19
+     */
+    public function get_recurring_fee() {
+        return $this->totals['fees']['recurring'];
+    }
+
+    /**
+     * Returns all fees.
+     *
+     * @since 1.0.19
+     */
+    public function get_fees() {
+        return $this->fees;
+    }
+
+    /**
+     * Checks if there are any fees for the form.
+     *
+     * @return bool
+     * @since 1.0.19
+     */
+    public function has_fees() {
+        return count( $this->fees ) !== 0;
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| MISC
 	|--------------------------------------------------------------------------
@@ -813,147 +813,147 @@ 
 	| Extra submission functions.
     */
 
-	/**
-	 * Returns the shipping amount.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_shipping() {
-		return $this->totals['shipping']['initial'];
-	}
-
-	/**
-	 * Returns the recurring shipping.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_recurring_shipping() {
-		return $this->totals['shipping']['recurring'];
-	}
-
-	/**
-	 * Checks if there are any shipping fees for the form.
-	 *
-	 * @return bool
-	 * @since 1.0.19
-	 */
-	public function has_shipping() {
-		return apply_filters( 'getpaid_payment_form_has_shipping', false, $this );
-	}
-
-	/**
-	 * Checks if this is the initial fetch.
-	 *
-	 * @return bool
-	 * @since 1.0.19
-	 */
-	public function is_initial_fetch() {
-		return empty( $this->data['initial_state'] );
-	}
-
-	/**
-	 * Returns the total amount to collect for this submission.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_total() {
-		$total = $this->get_subtotal() + $this->get_fee() + $this->get_tax() + $this->get_shipping() - $this->get_discount();
-		return max( $total, 0 );
-	}
-
-	/**
-	 * Returns the recurring total amount to collect for this submission.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_recurring_total() {
-		$total = $this->get_recurring_subtotal() + $this->get_recurring_fee() + $this->get_recurring_tax() + $this->get_recurring_shipping() - $this->get_recurring_discount();
-		return max( $total, 0 );
-	}
-
-	/**
-	 * Whether payment details should be collected for this submission.
-	 *
-	 * @since 1.0.19
-	 */
-	public function should_collect_payment_details() {
-		$initial   = $this->get_total();
-		$recurring = $this->get_recurring_total();
-
-		if ( $this->has_recurring == 0 ) {
-			$recurring = 0;
-		}
-
-		$collect = $initial > 0 || $recurring > 0;
-		return apply_filters( 'getpaid_submission_should_collect_payment_details', $collect, $this );
-	}
-
-	/**
-	 * Returns the billing email of the user.
-	 *
-	 * @since 1.0.19
-	 */
-	public function get_billing_email() {
-		return apply_filters( 'getpaid_get_submission_billing_email', $this->get_field( 'billing_email' ), $this );
-	}
-
-	/**
-	 * Checks if the submitter has a billing email.
-	 *
-	 * @since 1.0.19
-	 */
-	public function has_billing_email() {
-		$billing_email = $this->get_billing_email();
-		return ! empty( $billing_email ) && is_email( $billing_email );
-	}
-
-	/**
-	 * Returns the appropriate currency for the submission.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_currency() {
-		return $this->has_invoice() ? $this->invoice->get_currency() : wpinv_get_currency();
-    }
-
-    /**
-	 * Returns the raw submission data.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function get_data() {
-		return $this->data;
-	}
-
-	/**
-	 * Returns a field from the submission data
-	 *
-	 * @param string $field
-	 * @since 1.0.19
-	 * @return mixed|null
-	 */
-	public function get_field( $field, $sub_array_key = null ) {
-		return getpaid_get_array_field( $this->data, $field, $sub_array_key );
-	}
-
-	/**
-	 * Checks if a required field is set.
-	 *
-	 * @since 1.0.19
-	 */
-	public function is_required_field_set( $field ) {
-		return empty( $field['required'] ) || ! empty( $this->data[ $field['id'] ] );
-	}
-
-	/**
-	 * Formats an amount
-	 *
-	 * @since 1.0.19
-	 */
-	public function format_amount( $amount ) {
-		return wpinv_price( $amount, $this->get_currency() );
-	}
+    /**
+     * Returns the shipping amount.
+     *
+     * @since 1.0.19
+     */
+    public function get_shipping() {
+        return $this->totals['shipping']['initial'];
+    }
+
+    /**
+     * Returns the recurring shipping.
+     *
+     * @since 1.0.19
+     */
+    public function get_recurring_shipping() {
+        return $this->totals['shipping']['recurring'];
+    }
+
+    /**
+     * Checks if there are any shipping fees for the form.
+     *
+     * @return bool
+     * @since 1.0.19
+     */
+    public function has_shipping() {
+        return apply_filters( 'getpaid_payment_form_has_shipping', false, $this );
+    }
+
+    /**
+     * Checks if this is the initial fetch.
+     *
+     * @return bool
+     * @since 1.0.19
+     */
+    public function is_initial_fetch() {
+        return empty( $this->data['initial_state'] );
+    }
+
+    /**
+     * Returns the total amount to collect for this submission.
+     *
+     * @since 1.0.19
+     */
+    public function get_total() {
+        $total = $this->get_subtotal() + $this->get_fee() + $this->get_tax() + $this->get_shipping() - $this->get_discount();
+        return max( $total, 0 );
+    }
+
+    /**
+     * Returns the recurring total amount to collect for this submission.
+     *
+     * @since 1.0.19
+     */
+    public function get_recurring_total() {
+        $total = $this->get_recurring_subtotal() + $this->get_recurring_fee() + $this->get_recurring_tax() + $this->get_recurring_shipping() - $this->get_recurring_discount();
+        return max( $total, 0 );
+    }
+
+    /**
+     * Whether payment details should be collected for this submission.
+     *
+     * @since 1.0.19
+     */
+    public function should_collect_payment_details() {
+        $initial   = $this->get_total();
+        $recurring = $this->get_recurring_total();
+
+        if ( $this->has_recurring == 0 ) {
+            $recurring = 0;
+        }
+
+        $collect = $initial > 0 || $recurring > 0;
+        return apply_filters( 'getpaid_submission_should_collect_payment_details', $collect, $this );
+    }
+
+    /**
+     * Returns the billing email of the user.
+     *
+     * @since 1.0.19
+     */
+    public function get_billing_email() {
+        return apply_filters( 'getpaid_get_submission_billing_email', $this->get_field( 'billing_email' ), $this );
+    }
+
+    /**
+     * Checks if the submitter has a billing email.
+     *
+     * @since 1.0.19
+     */
+    public function has_billing_email() {
+        $billing_email = $this->get_billing_email();
+        return ! empty( $billing_email ) && is_email( $billing_email );
+    }
+
+    /**
+     * Returns the appropriate currency for the submission.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_currency() {
+        return $this->has_invoice() ? $this->invoice->get_currency() : wpinv_get_currency();
+    }
+
+    /**
+     * Returns the raw submission data.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function get_data() {
+        return $this->data;
+    }
+
+    /**
+     * Returns a field from the submission data
+     *
+     * @param string $field
+     * @since 1.0.19
+     * @return mixed|null
+     */
+    public function get_field( $field, $sub_array_key = null ) {
+        return getpaid_get_array_field( $this->data, $field, $sub_array_key );
+    }
+
+    /**
+     * Checks if a required field is set.
+     *
+     * @since 1.0.19
+     */
+    public function is_required_field_set( $field ) {
+        return empty( $field['required'] ) || ! empty( $this->data[ $field['id'] ] );
+    }
+
+    /**
+     * Formats an amount
+     *
+     * @since 1.0.19
+     */
+    public function format_amount( $amount ) {
+        return wpinv_price( $amount, $this->get_currency() );
+    }
 
 }