AyeCode / invoicing

includes/invoice-functions.php

Indentation +12 added lines, -12 removed lines

@@ -67,7 +67,7 @@ 
  * Checks if the current user cna view an invoice receipt.
  */
 function wpinv_can_view_receipt( $invoice ) {
-	return (bool) apply_filters( 'wpinv_can_view_receipt', wpinv_user_can_view_invoice( $invoice ), $invoice );
+    return (bool) apply_filters( 'wpinv_can_view_receipt', wpinv_user_can_view_invoice( $invoice ), $invoice );
 }
 
 /**
@@ -1280,22 +1280,22 @@ 
  */
 function getpaid_get_invoice_status_classes() {
 
-	return apply_filters(
-		'getpaid_get_invoice_status_classes',
-		array(
+    return apply_filters(
+        'getpaid_get_invoice_status_classes',
+        array(
             'wpi-quote-declined' => 'badge-danger',
             'wpi-failed'         => 'badge-danger',
-			'wpi-processing'     => 'badge-info',
-			'wpi-onhold'         => 'badge-warning',
-			'wpi-quote-accepted' => 'badge-success',
-			'publish'            => 'badge-success',
-			'wpi-renewal'        => 'badge-primary',
+            'wpi-processing'     => 'badge-info',
+            'wpi-onhold'         => 'badge-warning',
+            'wpi-quote-accepted' => 'badge-success',
+            'publish'            => 'badge-success',
+            'wpi-renewal'        => 'badge-primary',
             'wpi-cancelled'      => 'badge-secondary',
             'wpi-pending'        => 'badge-dark',
             'wpi-quote-pending'  => 'badge-dark',
             'wpi-refunded'       => 'badge-secondary',
-		)
-	);
+        )
+    );
 
 }
 
@@ -1309,7 +1309,7 @@ 
 function getpaid_get_invoice_tax_rate( $invoice, $item ) {
 
     $rates   = getpaid_get_item_tax_rates( $item, $invoice->get_country(), $invoice->get_state() );
-	$rates   = getpaid_filter_item_tax_rates( $item, $rates );
+    $rates   = getpaid_filter_item_tax_rates( $item, $rates );
     $rates   = wp_list_pluck( $rates, 'rate' );
 	
     return array_sum( $rates );

Spacing +359 added lines, -359 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Retrieves the current invoice.
@@ -14,15 +14,15 @@ 
 function getpaid_get_current_invoice_id() {
 
     // Ensure that we have an invoice key.
-    if ( empty( $_GET['invoice_key'] ) ) {
+    if (empty($_GET['invoice_key'])) {
         return 0;
     }
 
     // Retrieve an invoice using the key.
-    $invoice = new WPInv_Invoice( $_GET['invoice_key'] );
+    $invoice = new WPInv_Invoice($_GET['invoice_key']);
 
     // Compare the invoice key and the parsed key.
-    if ( $invoice->get_id() != 0 && $invoice->get_key() == $_GET['invoice_key'] ) {
+    if ($invoice->get_id() != 0 && $invoice->get_key() == $_GET['invoice_key']) {
         return $invoice->get_id();
     }
 
@@ -32,42 +32,42 @@ 
 /**
  * Checks if the current user cna view an invoice.
  */
-function wpinv_user_can_view_invoice( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_user_can_view_invoice($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
 
     // Abort if the invoice does not exist.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return false;
     }
 
     // Don't allow trash, draft status
-    if ( $invoice->is_draft() ) {
+    if ($invoice->is_draft()) {
         return false;
     }
 
     // If users are not required to login to check out, compare the invoice keys.
-    if ( ! wpinv_require_login_to_checkout() && isset( $_GET['invoice_key'] ) && trim( $_GET['invoice_key'] ) == $invoice->get_key() ) {
+    if (!wpinv_require_login_to_checkout() && isset($_GET['invoice_key']) && trim($_GET['invoice_key']) == $invoice->get_key()) {
         return true;
     }
 
     // Always enable for admins..
-    if ( wpinv_current_user_can_manage_invoicing() || current_user_can( 'view_invoices', $invoice->get_id() ) ) { // Admin user
+    if (wpinv_current_user_can_manage_invoicing() || current_user_can('view_invoices', $invoice->get_id())) { // Admin user
         return true;
     }
 
     // Else, ensure that this is their invoice.
-    if ( is_user_logged_in() && $invoice->get_user_id() == get_current_user_id() ) {
+    if (is_user_logged_in() && $invoice->get_user_id() == get_current_user_id()) {
         return true;
     }
 
-    return apply_filters( 'wpinv_current_user_can_view_invoice', false, $invoice );
+    return apply_filters('wpinv_current_user_can_view_invoice', false, $invoice);
 }
 
 /**
  * Checks if the current user cna view an invoice receipt.
  */
-function wpinv_can_view_receipt( $invoice ) {
-	return (bool) apply_filters( 'wpinv_can_view_receipt', wpinv_user_can_view_invoice( $invoice ), $invoice );
+function wpinv_can_view_receipt($invoice) {
+	return (bool) apply_filters('wpinv_can_view_receipt', wpinv_user_can_view_invoice($invoice), $invoice);
 }
 
 /**
@@ -77,16 +77,16 @@ 
  */
 function getpaid_get_invoice_post_types() {
     $post_types = array(
-        'wpi_quote'   => __( 'Quote', 'invoicing' ),
-        'wpi_invoice' => __( 'Invoice', 'invoicing' ),
+        'wpi_quote'   => __('Quote', 'invoicing'),
+        'wpi_invoice' => __('Invoice', 'invoicing'),
     );
 
     // Ensure the quotes addon is installed.
-    if ( ! defined( 'WPINV_QUOTES_VERSION' ) ) {
-        unset( $post_types['wpi_quote'] );
+    if (!defined('WPINV_QUOTES_VERSION')) {
+        unset($post_types['wpi_quote']);
     }
 
-    return apply_filters( 'getpaid_invoice_post_types', $post_types );
+    return apply_filters('getpaid_invoice_post_types', $post_types);
 }
 
 /**
@@ -95,8 +95,8 @@ 
  *
  * @param string $post_type The post type to check for.
  */
-function getpaid_is_invoice_post_type( $post_type ) {
-    return is_scalar( $post_type ) && ! empty( $post_type ) && array_key_exists( $post_type, getpaid_get_invoice_post_types() );
+function getpaid_is_invoice_post_type($post_type) {
+    return is_scalar($post_type) && !empty($post_type) && array_key_exists($post_type, getpaid_get_invoice_post_types());
 }
 
 /**
@@ -106,9 +106,9 @@ 
  * @param  bool  $wp_error       Whether to return false or WP_Error on failure.
  * @return int|WP_Error|WPInv_Invoice The value 0 or WP_Error on failure. The WPInv_Invoice object on success.
  */
-function wpinv_create_invoice( $data = array(), $deprecated = null, $wp_error = false ) {
-    $data[ 'invoice_id' ] = 0;
-    return wpinv_insert_invoice( $data, $wp_error );
+function wpinv_create_invoice($data = array(), $deprecated = null, $wp_error = false) {
+    $data['invoice_id'] = 0;
+    return wpinv_insert_invoice($data, $wp_error);
 }
 
 /**
@@ -118,36 +118,36 @@ 
  * @param  bool  $wp_error       Whether to return false or WP_Error on failure.
  * @return int|WP_Error|WPInv_Invoice The value 0 or WP_Error on failure. The WPInv_Invoice object on success.
  */
-function wpinv_update_invoice( $data = array(), $wp_error = false ) {
+function wpinv_update_invoice($data = array(), $wp_error = false) {
 
     // Backwards compatibility.
-    if ( ! empty( $data['ID'] ) ) {
+    if (!empty($data['ID'])) {
         $data['invoice_id'] = $data['ID'];
     }
 
     // Do we have an invoice id?
-    if ( empty( $data['invoice_id'] ) ) {
-        return $wp_error ? new WP_Error( 'invalid_invoice_id', __( 'Invalid invoice ID.', 'invoicing' ) ) : 0;
+    if (empty($data['invoice_id'])) {
+        return $wp_error ? new WP_Error('invalid_invoice_id', __('Invalid invoice ID.', 'invoicing')) : 0;
     }
 
     // Retrieve the invoice.
-    $invoice = wpinv_get_invoice( $data['invoice_id'] );
+    $invoice = wpinv_get_invoice($data['invoice_id']);
 
     // And abort if it does not exist.
-    if ( empty( $invoice ) ) {
-        return $wp_error ? new WP_Error( 'missing_invoice', __( 'Invoice not found.', 'invoicing' ) ) : 0;
+    if (empty($invoice)) {
+        return $wp_error ? new WP_Error('missing_invoice', __('Invoice not found.', 'invoicing')) : 0;
     }
 
     // Do not update totals for paid / refunded invoices.
-    if ( $invoice->is_paid() || $invoice->is_refunded() ) {
+    if ($invoice->is_paid() || $invoice->is_refunded()) {
 
-        if ( ! empty( $data['items'] ) || ! empty( $data['cart_details'] ) ) {
-            return $wp_error ? new WP_Error( 'paid_invoice', __( 'You can not update cart items for invoices that have already been paid for.', 'invoicing' ) ) : 0;
+        if (!empty($data['items']) || !empty($data['cart_details'])) {
+            return $wp_error ? new WP_Error('paid_invoice', __('You can not update cart items for invoices that have already been paid for.', 'invoicing')) : 0;
         }
 
     }
 
-    return wpinv_insert_invoice( $data, $wp_error );
+    return wpinv_insert_invoice($data, $wp_error);
 
 }
 
@@ -158,34 +158,34 @@ 
  * @param  bool  $wp_error       Whether to return false or WP_Error on failure.
  * @return int|WP_Error|WPInv_Invoice The value 0 or WP_Error on failure. The WPInv_Invoice object on success.
  */
-function wpinv_insert_invoice( $data = array(), $wp_error = false ) {
+function wpinv_insert_invoice($data = array(), $wp_error = false) {
 
     // Ensure that we have invoice data.
-    if ( empty( $data ) ) {
+    if (empty($data)) {
         return false;
     }
 
     // The invoice id will be provided when updating an invoice.
-    $data['invoice_id'] = ! empty( $data['invoice_id'] ) ? (int) $data['invoice_id'] : false;
+    $data['invoice_id'] = !empty($data['invoice_id']) ? (int) $data['invoice_id'] : false;
 
     // Retrieve the invoice.
-    $invoice = new WPInv_Invoice( $data['invoice_id'] );
+    $invoice = new WPInv_Invoice($data['invoice_id']);
 
     // Do we have an error?
-    if ( ! empty( $invoice->last_error ) ) {
-        return $wp_error ? new WP_Error( 'invalid_invoice_id', $invoice->last_error ) : 0;
+    if (!empty($invoice->last_error)) {
+        return $wp_error ? new WP_Error('invalid_invoice_id', $invoice->last_error) : 0;
     }
 
     // Backwards compatibility (billing address).
-    if ( ! empty( $data['user_info'] ) ) {
+    if (!empty($data['user_info'])) {
 
-        foreach ( $data['user_info'] as $key => $value ) {
+        foreach ($data['user_info'] as $key => $value) {
 
-            if ( $key == 'discounts' ) {
+            if ($key == 'discounts') {
                 $value = (array) $value;
-                $data[ 'discount_code' ] = empty( $value ) ? null : $value[0];
+                $data['discount_code'] = empty($value) ? null : $value[0];
             } else {
-                $data[ $key ] = $value;
+                $data[$key] = $value;
             }
 
         }
@@ -193,30 +193,30 @@ 
     }
 
     // Backwards compatibility.
-    if ( ! empty( $data['payment_details'] ) ) {
+    if (!empty($data['payment_details'])) {
 
-        foreach ( $data['payment_details'] as $key => $value ) {
-            $data[ $key ] = $value;
+        foreach ($data['payment_details'] as $key => $value) {
+            $data[$key] = $value;
         }
 
     }
 
     // Set up the owner of the invoice.
-    $user_id = ! empty( $data['user_id'] ) ? wpinv_clean( $data['user_id'] ) : get_current_user_id();
+    $user_id = !empty($data['user_id']) ? wpinv_clean($data['user_id']) : get_current_user_id();
 
     // Make sure the user exists.
-    if ( ! get_userdata( $user_id ) ) {
-        return $wp_error ? new WP_Error( 'wpinv_invalid_user', __( 'There is no user with that ID.', 'invoicing' ) ) : 0;
+    if (!get_userdata($user_id)) {
+        return $wp_error ? new WP_Error('wpinv_invalid_user', __('There is no user with that ID.', 'invoicing')) : 0;
     }
 
-    $address = wpinv_get_user_address( $user_id );
+    $address = wpinv_get_user_address($user_id);
 
-    foreach ( $address as $key => $value ) {
+    foreach ($address as $key => $value) {
 
-        if ( $value == '' ) {
-            $address[ $key ] = null;
+        if ($value == '') {
+            $address[$key] = null;
         } else {
-            $address[ $key ] = wpinv_clean( $value );
+            $address[$key] = wpinv_clean($value);
         }
 
     }
@@ -227,103 +227,103 @@ 
         array(
 
             // Basic info.
-            'template'             => isset( $data['template'] ) ? wpinv_clean( $data['template'] ) : null,
-            'email_cc'             => isset( $data['email_cc'] ) ? wpinv_clean( $data['email_cc'] ) : null,
-            'date_created'         => isset( $data['created_date'] ) ? wpinv_clean( $data['created_date'] ) : null,
-            'due_date'             => isset( $data['due_date'] ) ? wpinv_clean( $data['due_date'] ) : null,
-            'date_completed'       => isset( $data['date_completed'] ) ? wpinv_clean( $data['date_completed'] ) : null,
-            'number'               => isset( $data['number'] ) ? wpinv_clean( $data['number'] ) : null,
-            'key'                  => isset( $data['key'] ) ? wpinv_clean( $data['key'] ) : null,
-            'status'               => isset( $data['status'] ) ? wpinv_clean( $data['status'] ) : null,
-            'post_type'            => isset( $data['post_type'] ) ? wpinv_clean( $data['post_type'] ) : null,
-            'user_ip'              => isset( $data['ip'] ) ? wpinv_clean( $data['ip'] ) : wpinv_get_ip(),
-            'parent_id'            => isset( $data['parent'] ) ? intval( $data['parent'] ) : null,
-            'mode'                 => isset( $data['mode'] ) ? wpinv_clean( $data['mode'] ) : null,
-            'description'          => isset( $data['description'] ) ? wp_kses_post( $data['description'] ) : null,
+            'template'             => isset($data['template']) ? wpinv_clean($data['template']) : null,
+            'email_cc'             => isset($data['email_cc']) ? wpinv_clean($data['email_cc']) : null,
+            'date_created'         => isset($data['created_date']) ? wpinv_clean($data['created_date']) : null,
+            'due_date'             => isset($data['due_date']) ? wpinv_clean($data['due_date']) : null,
+            'date_completed'       => isset($data['date_completed']) ? wpinv_clean($data['date_completed']) : null,
+            'number'               => isset($data['number']) ? wpinv_clean($data['number']) : null,
+            'key'                  => isset($data['key']) ? wpinv_clean($data['key']) : null,
+            'status'               => isset($data['status']) ? wpinv_clean($data['status']) : null,
+            'post_type'            => isset($data['post_type']) ? wpinv_clean($data['post_type']) : null,
+            'user_ip'              => isset($data['ip']) ? wpinv_clean($data['ip']) : wpinv_get_ip(),
+            'parent_id'            => isset($data['parent']) ? intval($data['parent']) : null,
+            'mode'                 => isset($data['mode']) ? wpinv_clean($data['mode']) : null,
+            'description'          => isset($data['description']) ? wp_kses_post($data['description']) : null,
 
             // Payment info.
-            'disable_taxes'        => ! empty( $data['disable_taxes'] ),
-            'currency'             => isset( $data['currency'] ) ? wpinv_clean( $data['currency'] ) : wpinv_get_currency(),
-            'gateway'              => isset( $data['gateway'] ) ? wpinv_clean( $data['gateway'] ) : null,
-            'transaction_id'       => isset( $data['transaction_id'] ) ? wpinv_clean( $data['transaction_id'] ) : null,
-            'discount_code'        => isset( $data['discount_code'] ) ? wpinv_clean( $data['discount_code'] ) : null,
-            'payment_form'         => isset( $data['payment_form'] ) ? intval( $data['payment_form'] ) : null,
-            'submission_id'        => isset( $data['submission_id'] ) ? wpinv_clean( $data['submission_id'] ) : null,
-            'subscription_id'      => isset( $data['subscription_id'] ) ? wpinv_clean( $data['subscription_id'] ) : null,
-            'is_viewed'            => isset( $data['is_viewed'] ) ? wpinv_clean( $data['is_viewed'] ) : null,
-            'fees'                 => isset( $data['fees'] ) ? wpinv_clean( $data['fees'] ) : null,
-            'discounts'            => isset( $data['discounts'] ) ? wpinv_clean( $data['discounts'] ) : null,
-            'taxes'                => isset( $data['taxes'] ) ? wpinv_clean( $data['taxes'] ) : null,
+            'disable_taxes'        => !empty($data['disable_taxes']),
+            'currency'             => isset($data['currency']) ? wpinv_clean($data['currency']) : wpinv_get_currency(),
+            'gateway'              => isset($data['gateway']) ? wpinv_clean($data['gateway']) : null,
+            'transaction_id'       => isset($data['transaction_id']) ? wpinv_clean($data['transaction_id']) : null,
+            'discount_code'        => isset($data['discount_code']) ? wpinv_clean($data['discount_code']) : null,
+            'payment_form'         => isset($data['payment_form']) ? intval($data['payment_form']) : null,
+            'submission_id'        => isset($data['submission_id']) ? wpinv_clean($data['submission_id']) : null,
+            'subscription_id'      => isset($data['subscription_id']) ? wpinv_clean($data['subscription_id']) : null,
+            'is_viewed'            => isset($data['is_viewed']) ? wpinv_clean($data['is_viewed']) : null,
+            'fees'                 => isset($data['fees']) ? wpinv_clean($data['fees']) : null,
+            'discounts'            => isset($data['discounts']) ? wpinv_clean($data['discounts']) : null,
+            'taxes'                => isset($data['taxes']) ? wpinv_clean($data['taxes']) : null,
 
 
             // Billing details.
             'user_id'              => $data['user_id'],
-            'first_name'           => isset( $data['first_name'] ) ? wpinv_clean( $data['first_name'] ) : $address['first_name'],
-            'last_name'            => isset( $data['last_name'] ) ? wpinv_clean( $data['last_name'] ) : $address['last_name'],
-            'address'              => isset( $data['address'] ) ? wpinv_clean( $data['address'] ) : $address['address'] ,
-            'vat_number'           => isset( $data['vat_number'] ) ? wpinv_clean( $data['vat_number'] ) : $address['vat_number'],
-            'company'              => isset( $data['company'] ) ? wpinv_clean( $data['company'] ) : $address['company'],
-            'zip'                  => isset( $data['zip'] ) ? wpinv_clean( $data['zip'] ) : $address['zip'],
-            'state'                => isset( $data['state'] ) ? wpinv_clean( $data['state'] ) : $address['state'],
-            'city'                 => isset( $data['city'] ) ? wpinv_clean( $data['city'] ) : $address['city'],
-            'country'              => isset( $data['country'] ) ? wpinv_clean( $data['country'] ) : $address['country'],
-            'phone'                => isset( $data['phone'] ) ? wpinv_clean( $data['phone'] ) : $address['phone'],
-            'address_confirmed'    => ! empty( $data['address_confirmed'] ),
+            'first_name'           => isset($data['first_name']) ? wpinv_clean($data['first_name']) : $address['first_name'],
+            'last_name'            => isset($data['last_name']) ? wpinv_clean($data['last_name']) : $address['last_name'],
+            'address'              => isset($data['address']) ? wpinv_clean($data['address']) : $address['address'],
+            'vat_number'           => isset($data['vat_number']) ? wpinv_clean($data['vat_number']) : $address['vat_number'],
+            'company'              => isset($data['company']) ? wpinv_clean($data['company']) : $address['company'],
+            'zip'                  => isset($data['zip']) ? wpinv_clean($data['zip']) : $address['zip'],
+            'state'                => isset($data['state']) ? wpinv_clean($data['state']) : $address['state'],
+            'city'                 => isset($data['city']) ? wpinv_clean($data['city']) : $address['city'],
+            'country'              => isset($data['country']) ? wpinv_clean($data['country']) : $address['country'],
+            'phone'                => isset($data['phone']) ? wpinv_clean($data['phone']) : $address['phone'],
+            'address_confirmed'    => !empty($data['address_confirmed']),
 
         )
 
     );
 
     // Backwards compatibililty.
-    if ( ! empty( $data['cart_details'] ) && is_array( $data['cart_details'] ) ) {
+    if (!empty($data['cart_details']) && is_array($data['cart_details'])) {
         $data['items'] = array();
 
-        foreach( $data['cart_details'] as $_item ) {
+        foreach ($data['cart_details'] as $_item) {
 
             // Ensure that we have an item id.
-            if ( empty(  $_item['id']  ) ) {
+            if (empty($_item['id'])) {
                 continue;
             }
 
             // Retrieve the item.
-            $item = new GetPaid_Form_Item(  $_item['id']  );
+            $item = new GetPaid_Form_Item($_item['id']);
 
             // Ensure that it is purchasable.
-            if ( ! $item->can_purchase() ) {
+            if (!$item->can_purchase()) {
                 continue;
             }
 
             // Set quantity.
-            if ( ! empty( $_item['quantity'] ) && is_numeric( $_item['quantity'] ) ) {
-                $item->set_quantity( $_item['quantity'] );
+            if (!empty($_item['quantity']) && is_numeric($_item['quantity'])) {
+                $item->set_quantity($_item['quantity']);
             }
 
             // Set price.
-            if ( isset( $_item['item_price'] ) ) {
-                $item->set_price( $_item['item_price'] );
+            if (isset($_item['item_price'])) {
+                $item->set_price($_item['item_price']);
             }
 
-            if ( isset( $_item['custom_price'] ) ) {
-                $item->set_price( $_item['custom_price'] );
+            if (isset($_item['custom_price'])) {
+                $item->set_price($_item['custom_price']);
             }
 
             // Set name.
-            if ( ! empty( $_item['name'] ) ) {
-                $item->set_name( $_item['name'] );
+            if (!empty($_item['name'])) {
+                $item->set_name($_item['name']);
             }
 
             // Set description.
-            if ( isset( $_item['description'] ) ) {
-                $item->set_custom_description( $_item['description'] );
+            if (isset($_item['description'])) {
+                $item->set_custom_description($_item['description']);
             }
 
             // Set meta.
-            if ( isset( $_item['meta'] ) && is_array( $_item['meta'] ) ) {
+            if (isset($_item['meta']) && is_array($_item['meta'])) {
 
-                $item->set_item_meta( $_item['meta'] );
+                $item->set_item_meta($_item['meta']);
 
-                if ( isset( $_item['meta']['description'] ) ) {
-                    $item->set_custom_description( $_item['meta']['description'] );
+                if (isset($_item['meta']['description'])) {
+                    $item->set_custom_description($_item['meta']['description']);
                 }
 
             }
@@ -334,14 +334,14 @@ 
     }
 
     // Add invoice items.
-    if ( ! empty( $data['items'] ) && is_array( $data['items'] ) ) {
+    if (!empty($data['items']) && is_array($data['items'])) {
 
-        $invoice->set_items( array() );
+        $invoice->set_items(array());
 
-        foreach ( $data['items'] as $item ) {
+        foreach ($data['items'] as $item) {
 
-            if ( is_object( $item ) && is_a( $item, 'GetPaid_Form_Item' ) && $item->can_purchase() ) {
-                $invoice->add_item( $item );
+            if (is_object($item) && is_a($item, 'GetPaid_Form_Item') && $item->can_purchase()) {
+                $invoice->add_item($item);
             }
 
         }
@@ -352,30 +352,30 @@ 
     $invoice->recalculate_total();
     $invoice->save();
 
-    if ( ! $invoice->get_id() ) {
-        return $wp_error ? new WP_Error( 'wpinv_insert_invoice_error', __( 'An error occured when saving your invoice.', 'invoicing' ) ) : 0;
+    if (!$invoice->get_id()) {
+        return $wp_error ? new WP_Error('wpinv_insert_invoice_error', __('An error occured when saving your invoice.', 'invoicing')) : 0;
     }
 
     // Add private note.
-    if ( ! empty( $data['private_note'] ) ) {
-        $invoice->add_note( $data['private_note'] );
+    if (!empty($data['private_note'])) {
+        $invoice->add_note($data['private_note']);
     }
 
     // User notes.
-    if ( !empty( $data['user_note'] ) ) {
-        $invoice->add_note( $data['user_note'], true );
+    if (!empty($data['user_note'])) {
+        $invoice->add_note($data['user_note'], true);
     }
 
     // Created via.
-    if ( isset( $data['created_via'] ) ) {
-        update_post_meta( $invoice->get_id(), 'wpinv_created_via', $data['created_via'] );
+    if (isset($data['created_via'])) {
+        update_post_meta($invoice->get_id(), 'wpinv_created_via', $data['created_via']);
     }
 
     // Backwards compatiblity.
-    if ( $invoice->is_quote() ) {
+    if ($invoice->is_quote()) {
 
-        if ( isset( $data['valid_until'] ) ) {
-            update_post_meta( $invoice->get_id(), 'wpinv_quote_valid_until', $data['valid_until'] );
+        if (isset($data['valid_until'])) {
+            update_post_meta($invoice->get_id(), 'wpinv_quote_valid_until', $data['valid_until']);
         }
 
     }
@@ -390,18 +390,18 @@ 
  * @param $bool $deprecated
  * @return WPInv_Invoice|null
  */
-function wpinv_get_invoice( $invoice = 0, $deprecated = false ) {
+function wpinv_get_invoice($invoice = 0, $deprecated = false) {
 
     // If we are retrieving the invoice from the cart...
-    if ( $deprecated && empty( $invoice ) ) {
+    if ($deprecated && empty($invoice)) {
         $invoice = (int) getpaid_get_current_invoice_id();
     }
 
     // Retrieve the invoice.
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Check if it exists.
-    if ( $invoice->get_id() != 0 ) {
+    if ($invoice->get_id() != 0) {
         return $invoice;
     }
 
@@ -414,15 +414,15 @@ 
  * @param array $args Args to search for.
  * @return WPInv_Invoice[]|int[]|object
  */
-function wpinv_get_invoices( $args ) {
+function wpinv_get_invoices($args) {
 
     // Prepare args.
     $args = wp_parse_args(
         $args,
         array(
-            'status'   => array_keys( wpinv_get_invoice_statuses() ),
+            'status'   => array_keys(wpinv_get_invoice_statuses()),
             'type'     => 'wpi_invoice',
-            'limit'    => get_option( 'posts_per_page' ),
+            'limit'    => get_option('posts_per_page'),
             'return'   => 'objects',
         )
     );
@@ -440,24 +440,24 @@ 
         'post__in'       => 'include',
     );
 
-    foreach ( $map_legacy as $to => $from ) {
-        if ( isset( $args[ $from ] ) ) {
-            $args[ $to ] = $args[ $from ];
-            unset( $args[ $from ] );
+    foreach ($map_legacy as $to => $from) {
+        if (isset($args[$from])) {
+            $args[$to] = $args[$from];
+            unset($args[$from]);
         }
     }
 
     // Backwards compatibility.
-    if ( ! empty( $args['email'] ) && empty( $args['user'] ) ) {
+    if (!empty($args['email']) && empty($args['user'])) {
         $args['user'] = $args['email'];
-        unset( $args['email'] );
+        unset($args['email']);
     }
 
     // Handle cases where the user is set as an email.
-    if ( ! empty( $args['author'] ) && is_email( $args['author'] ) ) {
-        $user = get_user_by( 'email', $args['user'] );
+    if (!empty($args['author']) && is_email($args['author'])) {
+        $user = get_user_by('email', $args['user']);
 
-        if ( $user ) {
+        if ($user) {
             $args['author'] = $user->user_email;
         }
 
@@ -468,31 +468,31 @@ 
 
     // Show all posts.
     $paginate = true;
-    if ( isset( $args['paginate'] ) ) {
+    if (isset($args['paginate'])) {
 
         $paginate = $args['paginate'];
-        $args['no_found_rows'] = empty( $args['paginate'] );
-        unset( $args['paginate'] );
+        $args['no_found_rows'] = empty($args['paginate']);
+        unset($args['paginate']);
 
     }
 
     // Whether to return objects or fields.
     $return = $args['return'];
-    unset( $args['return'] );
+    unset($args['return']);
 
     // Get invoices.
-    $invoices = new WP_Query( apply_filters( 'wpinv_get_invoices_args', $args ) );
+    $invoices = new WP_Query(apply_filters('wpinv_get_invoices_args', $args));
 
     // Prepare the results.
-    if ( 'objects' === $return ) {
-        $results = array_map( 'wpinv_get_invoice', $invoices->posts );
-    } elseif ( 'self' === $return ) {
+    if ('objects' === $return) {
+        $results = array_map('wpinv_get_invoice', $invoices->posts);
+    } elseif ('self' === $return) {
         return $invoices;
     } else {
         $results = $invoices->posts;
     }
 
-    if ( $paginate ) {
+    if ($paginate) {
         return (object) array(
             'invoices'      => $results,
             'total'         => $invoices->found_posts,
@@ -510,8 +510,8 @@ 
  * @param string $transaction_id The transaction id to check.
  * @return int Invoice id on success or 0 on failure
  */
-function wpinv_get_id_by_transaction_id( $transaction_id ) {
-    return WPInv_Invoice::get_invoice_id_by_field( $transaction_id, 'transaction_id' );
+function wpinv_get_id_by_transaction_id($transaction_id) {
+    return WPInv_Invoice::get_invoice_id_by_field($transaction_id, 'transaction_id');
 }
 
 /**
@@ -520,8 +520,8 @@ 
  * @param string $invoice_number The invoice number to check.
  * @return int Invoice id on success or 0 on failure
  */
-function wpinv_get_id_by_invoice_number( $invoice_number ) {
-    return WPInv_Invoice::get_invoice_id_by_field( $invoice_number, 'number' );
+function wpinv_get_id_by_invoice_number($invoice_number) {
+    return WPInv_Invoice::get_invoice_id_by_field($invoice_number, 'number');
 }
 
 /**
@@ -530,8 +530,8 @@ 
  * @param string $invoice_key The invoice key to check.
  * @return int Invoice id on success or 0 on failure
  */
-function wpinv_get_invoice_id_by_key( $invoice_key ) {
-    return WPInv_Invoice::get_invoice_id_by_field( $invoice_key, 'key' );
+function wpinv_get_invoice_id_by_key($invoice_key) {
+    return WPInv_Invoice::get_invoice_id_by_field($invoice_key, 'key');
 }
 
 /**
@@ -541,19 +541,19 @@ 
  * @param string $type Optionally filter by type i.e customer|system
  * @return array|null
  */
-function wpinv_get_invoice_notes( $invoice = 0, $type = '' ) {
+function wpinv_get_invoice_notes($invoice = 0, $type = '') {
 
     // Prepare the invoice.
-    $invoice = wpinv_get_invoice( $invoice );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice);
+    if (empty($invoice)) {
         return NULL;
     }
 
     // Fetch notes.
-    $notes = getpaid_notes()->get_invoice_notes( $invoice->get_id(), $type );
+    $notes = getpaid_notes()->get_invoice_notes($invoice->get_id(), $type);
 
     // Filter the notes.
-    return apply_filters( 'wpinv_invoice_notes', $notes, $invoice->get_id(), $type );
+    return apply_filters('wpinv_invoice_notes', $notes, $invoice->get_id(), $type);
 }
 
 /**
@@ -561,10 +561,10 @@ 
  *
  * @param string $post_type
  */
-function wpinv_get_user_invoices_columns( $post_type = 'wpi_invoice' ) {
+function wpinv_get_user_invoices_columns($post_type = 'wpi_invoice') {
 
-    $label   = getpaid_get_post_type_label( $post_type, false );
-    $label   = empty( $label ) ? __( 'Invoice', 'invoicing' ) : sanitize_text_field( $label );
+    $label   = getpaid_get_post_type_label($post_type, false);
+    $label   = empty($label) ? __('Invoice', 'invoicing') : sanitize_text_field($label);
     $columns = array(
 
             'invoice-number'  => array(
@@ -573,22 +573,22 @@ 
             ),
 
             'created-date'    => array(
-                'title' => __( 'Created Date', 'invoicing' ),
+                'title' => __('Created Date', 'invoicing'),
                 'class' => 'text-left'
             ),
 
             'payment-date'    => array(
-                'title' => __( 'Payment Date', 'invoicing' ),
+                'title' => __('Payment Date', 'invoicing'),
                 'class' => 'text-left'
             ),
 
             'invoice-status'  => array(
-                'title' => __( 'Status', 'invoicing' ),
+                'title' => __('Status', 'invoicing'),
                 'class' => 'text-center'
             ),
 
             'invoice-total'   => array(
-                'title' => __( 'Total', 'invoicing' ),
+                'title' => __('Total', 'invoicing'),
                 'class' => 'text-right'
             ),
 
@@ -599,7 +599,7 @@ 
 
         );
 
-    return apply_filters( 'wpinv_user_invoices_columns', $columns, $post_type );
+    return apply_filters('wpinv_user_invoices_columns', $columns, $post_type);
 }
 
 /**
@@ -609,59 +609,59 @@ 
 
     // Find the invoice.
     $invoice_id = getpaid_get_current_invoice_id();
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // Abort if non was found.
-    if ( empty( $invoice_id ) || $invoice->is_draft() ) {
+    if (empty($invoice_id) || $invoice->is_draft()) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'We could not find your invoice', 'invoicing' ),
+                'content' => __('We could not find your invoice', 'invoicing'),
             )
         );
 
     }
 
     // Can the user view this invoice?
-    if ( ! wpinv_can_view_receipt( $invoice_id ) ) {
+    if (!wpinv_can_view_receipt($invoice_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'You are not allowed to view this receipt', 'invoicing' ),
+                'content' => __('You are not allowed to view this receipt', 'invoicing'),
             )
         );
 
     }
 
     // Load the template.
-    return wpinv_get_template_html( 'invoice-receipt.php', compact( 'invoice' ) );
+    return wpinv_get_template_html('invoice-receipt.php', compact('invoice'));
 
 }
 
 /**
  * Displays the invoice history.
  */
-function getpaid_invoice_history( $user_id = 0, $post_type = 'wpi_invoice' ) {
+function getpaid_invoice_history($user_id = 0, $post_type = 'wpi_invoice') {
 
     // Ensure that we have a user id.
-    if ( empty( $user_id ) || ! is_numeric( $user_id ) ) {
+    if (empty($user_id) || !is_numeric($user_id)) {
         $user_id = get_current_user_id();
     }
 
-    $label = getpaid_get_post_type_label( $post_type );
-    $label = empty( $label ) ? __( 'Invoices', 'invoicing' ) : sanitize_text_field( $label );
+    $label = getpaid_get_post_type_label($post_type);
+    $label = empty($label) ? __('Invoices', 'invoicing') : sanitize_text_field($label);
 
     // View user id.
-    if ( empty( $user_id ) ) {
+    if (empty($user_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
                 'content' => sprintf(
-                    __( 'You must be logged in to view your %s.', 'invoicing' ),
-                    strtolower( $label )
+                    __('You must be logged in to view your %s.', 'invoicing'),
+                    strtolower($label)
                 )
             )
         );
@@ -672,23 +672,23 @@ 
     $invoices = wpinv_get_invoices(
 
         array(
-            'page'      => ( get_query_var( 'paged' ) ) ? absint( get_query_var( 'paged' ) ) : 1,
+            'page'      => (get_query_var('paged')) ? absint(get_query_var('paged')) : 1,
             'user'      => $user_id,
             'paginate'  => true,
             'type'      => $post_type,
-            'status'    => array_keys( wpinv_get_invoice_statuses( false, false, $post_type ) ),
+            'status'    => array_keys(wpinv_get_invoice_statuses(false, false, $post_type)),
         )
 
     );
 
-    if ( empty( $invoices->total ) ) {
+    if (empty($invoices->total)) {
 
         return aui()->alert(
             array(
                 'type'    => 'info',
                 'content' => sprintf(
-                    __( 'No %s found.', 'invoicing' ),
-                    strtolower( $label )
+                    __('No %s found.', 'invoicing'),
+                    strtolower($label)
                 )
             )
         );
@@ -696,38 +696,38 @@ 
     }
 
     // Load the template.
-    return wpinv_get_template_html( 'invoice-history.php', compact( 'invoices', 'post_type' ) );
+    return wpinv_get_template_html('invoice-history.php', compact('invoices', 'post_type'));
 
 }
 
 /**
  * Formats an invoice number given an invoice type.
  */
-function wpinv_format_invoice_number( $number, $type = '' ) {
+function wpinv_format_invoice_number($number, $type = '') {
 
     // Allow other plugins to overide this.
-    $check = apply_filters( 'wpinv_pre_format_invoice_number', null, $number, $type );
-    if ( null !== $check ) {
+    $check = apply_filters('wpinv_pre_format_invoice_number', null, $number, $type);
+    if (null !== $check) {
         return $check;
     }
 
     // Ensure that we have a numeric number.
-    if ( ! is_numeric( $number ) ) {
+    if (!is_numeric($number)) {
         return $number;
     }
 
     // Format the number.
-    $padd             = absint( (int) wpinv_get_option( 'invoice_number_padd', 5 ) );
-    $prefix           = sanitize_text_field( (string) wpinv_get_option( 'invoice_number_prefix', 'INV-' ) );
-    $prefix           = sanitize_text_field( apply_filters( 'getpaid_invoice_type_prefix', $prefix, $type ) );
-    $postfix          = sanitize_text_field( (string) wpinv_get_option( 'invoice_number_postfix' ) );
-    $postfix          = sanitize_text_field( apply_filters( 'getpaid_invoice_type_postfix', $postfix, $type ) );
-    $formatted_number = zeroise( absint( $number ), $padd );
+    $padd             = absint((int) wpinv_get_option('invoice_number_padd', 5));
+    $prefix           = sanitize_text_field((string) wpinv_get_option('invoice_number_prefix', 'INV-'));
+    $prefix           = sanitize_text_field(apply_filters('getpaid_invoice_type_prefix', $prefix, $type));
+    $postfix          = sanitize_text_field((string) wpinv_get_option('invoice_number_postfix'));
+    $postfix          = sanitize_text_field(apply_filters('getpaid_invoice_type_postfix', $postfix, $type));
+    $formatted_number = zeroise(absint($number), $padd);
 
     // Add the prefix and post fix.
     $formatted_number = $prefix . $formatted_number . $postfix;
 
-    return apply_filters( 'wpinv_format_invoice_number', $formatted_number, $number, $prefix, $postfix, $padd );
+    return apply_filters('wpinv_format_invoice_number', $formatted_number, $number, $prefix, $postfix, $padd);
 }
 
 /**
@@ -736,58 +736,58 @@ 
  * @param string $type.
  * @return int|null|bool
  */
-function wpinv_get_next_invoice_number( $type = '' ) {
+function wpinv_get_next_invoice_number($type = '') {
 
     // Allow plugins to overide this.
-    $check = apply_filters( 'wpinv_get_pre_next_invoice_number', null, $type );
-    if ( null !== $check ) {
+    $check = apply_filters('wpinv_get_pre_next_invoice_number', null, $type);
+    if (null !== $check) {
         return $check;
     }
 
     // Ensure sequential invoice numbers is active.
-    if ( ! wpinv_sequential_number_active() ) {
+    if (!wpinv_sequential_number_active()) {
         return false;
     }
 
     // Retrieve the current number and the start number.
-    $number = (int) get_option( 'wpinv_last_invoice_number', 0 );
-    $start  = absint( (int) wpinv_get_option( 'invoice_sequence_start', 1 ) );
+    $number = (int) get_option('wpinv_last_invoice_number', 0);
+    $start  = absint((int) wpinv_get_option('invoice_sequence_start', 1));
 
     // Ensure that we are starting at a positive integer.
-    $start  = max( $start, 1 );
+    $start  = max($start, 1);
 
     // If this is the first invoice, use the start number.
-    $number = max( $start, $number );
+    $number = max($start, $number);
 
     // Format the invoice number.
-    $formatted_number = wpinv_format_invoice_number( $number, $type );
+    $formatted_number = wpinv_format_invoice_number($number, $type);
 
     // Ensure that this number is unique.
-    $invoice_id = WPInv_Invoice::get_invoice_id_by_field( $formatted_number, 'number' );
+    $invoice_id = WPInv_Invoice::get_invoice_id_by_field($formatted_number, 'number');
 
     // We found a match. Nice.
-    if ( empty( $invoice_id ) ) {
-        update_option( 'wpinv_last_invoice_number', $number );
-        return apply_filters( 'wpinv_get_next_invoice_number', $number );
+    if (empty($invoice_id)) {
+        update_option('wpinv_last_invoice_number', $number);
+        return apply_filters('wpinv_get_next_invoice_number', $number);
     }
 
-    update_option( 'wpinv_last_invoice_number', $number + 1 );
-    return wpinv_get_next_invoice_number( $type );
+    update_option('wpinv_last_invoice_number', $number + 1);
+    return wpinv_get_next_invoice_number($type);
 
 }
 
 /**
  * The prefix used for invoice paths.
  */
-function wpinv_post_name_prefix( $post_type = 'wpi_invoice' ) {
-    return apply_filters( 'wpinv_post_name_prefix', 'inv-', $post_type );
+function wpinv_post_name_prefix($post_type = 'wpi_invoice') {
+    return apply_filters('wpinv_post_name_prefix', 'inv-', $post_type);
 }
 
-function wpinv_generate_post_name( $post_ID ) {
-    $prefix = wpinv_post_name_prefix( get_post_type( $post_ID ) );
-    $post_name = sanitize_title( $prefix . $post_ID );
+function wpinv_generate_post_name($post_ID) {
+    $prefix = wpinv_post_name_prefix(get_post_type($post_ID));
+    $post_name = sanitize_title($prefix . $post_ID);
 
-    return apply_filters( 'wpinv_generate_post_name', $post_name, $post_ID, $prefix );
+    return apply_filters('wpinv_generate_post_name', $post_name, $post_ID, $prefix);
 }
 
 /**
@@ -795,8 +795,8 @@ 
  *
  * @param int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object.
  */
-function wpinv_is_invoice_viewed( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_is_invoice_viewed($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return (bool) $invoice->get_is_viewed();
 }
 
@@ -805,17 +805,17 @@ 
  *
  * @param int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object.
  */
-function getpaid_maybe_mark_invoice_as_viewed( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function getpaid_maybe_mark_invoice_as_viewed($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
 
-    if ( get_current_user_id() == $invoice->get_user_id() && ! $invoice->get_is_viewed() ) {
-        $invoice->set_is_viewed( true );
+    if (get_current_user_id() == $invoice->get_user_id() && !$invoice->get_is_viewed()) {
+        $invoice->set_is_viewed(true);
         $invoice->save();
     }
 
 }
-add_action( 'wpinv_invoice_print_before_display', 'getpaid_maybe_mark_invoice_as_viewed' );
-add_action( 'wpinv_before_receipt', 'getpaid_maybe_mark_invoice_as_viewed' );
+add_action('wpinv_invoice_print_before_display', 'getpaid_maybe_mark_invoice_as_viewed');
+add_action('wpinv_before_receipt', 'getpaid_maybe_mark_invoice_as_viewed');
 
 /**
  * Processes an invoice refund.
@@ -824,27 +824,27 @@ 
  * @param array $status_transition
  * @todo: descrease customer/store earnings
  */
-function getpaid_maybe_process_refund( $invoice, $status_transition ) {
+function getpaid_maybe_process_refund($invoice, $status_transition) {
 
-    if ( empty( $status_transition['from'] ) || ! in_array( $status_transition['from'], array( 'publish', 'wpi-processing', 'wpi-renewal' ) ) ) {
+    if (empty($status_transition['from']) || !in_array($status_transition['from'], array('publish', 'wpi-processing', 'wpi-renewal'))) {
         return;
     }
 
     $discount_code = $invoice->get_discount_code();
-    if ( ! empty( $discount_code ) ) {
-        $discount = wpinv_get_discount_obj( $discount_code );
+    if (!empty($discount_code)) {
+        $discount = wpinv_get_discount_obj($discount_code);
 
-        if ( $discount->exists() ) {
+        if ($discount->exists()) {
             $discount->increase_usage( -1 );
         }
 
     }
 
-    do_action( 'wpinv_pre_refund_invoice', $invoice, $invoice->get_id() );
-    do_action( 'wpinv_refund_invoice', $invoice, $invoice->get_id() );
-    do_action( 'wpinv_post_refund_invoice', $invoice, $invoice->get_id() );
+    do_action('wpinv_pre_refund_invoice', $invoice, $invoice->get_id());
+    do_action('wpinv_refund_invoice', $invoice, $invoice->get_id());
+    do_action('wpinv_post_refund_invoice', $invoice, $invoice->get_id());
 }
-add_action( 'getpaid_invoice_status_wpi-refunded', 'getpaid_maybe_process_refund', 10, 2 );
+add_action('getpaid_invoice_status_wpi-refunded', 'getpaid_maybe_process_refund', 10, 2);
 
 
 /**
@@ -852,49 +852,49 @@ 
  *
  * @param int $invoice_id
  */
-function getpaid_process_invoice_payment( $invoice_id ) {
+function getpaid_process_invoice_payment($invoice_id) {
 
     // Fetch the invoice.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // We only want to do this once.
-    if ( 1 ==  get_post_meta( $invoice->get_id(), 'wpinv_processed_payment', true ) ) {
+    if (1 == get_post_meta($invoice->get_id(), 'wpinv_processed_payment', true)) {
         return;
     }
 
-    update_post_meta( $invoice->get_id(), 'wpinv_processed_payment', 1 );
+    update_post_meta($invoice->get_id(), 'wpinv_processed_payment', 1);
 
     // Fires when processing a payment.
-    do_action( 'getpaid_process_payment', $invoice );
+    do_action('getpaid_process_payment', $invoice);
 
     // Fire an action for each invoice item.
-    foreach( $invoice->get_items() as $item ) {
-        do_action( 'getpaid_process_item_payment', $item, $invoice );
+    foreach ($invoice->get_items() as $item) {
+        do_action('getpaid_process_item_payment', $item, $invoice);
     }
 
     // Increase discount usage.
     $discount_code = $invoice->get_discount_code();
-    if ( ! empty( $discount_code ) && ! $invoice->is_renewal() ) {
-        $discount = wpinv_get_discount_obj( $discount_code );
+    if (!empty($discount_code) && !$invoice->is_renewal()) {
+        $discount = wpinv_get_discount_obj($discount_code);
 
-        if ( $discount->exists() ) {
+        if ($discount->exists()) {
             $discount->increase_usage();
         }
 
     }
 
     // Record reverse vat.
-    if ( 'invoice' == $invoice->get_type() && wpinv_use_taxes() && ! $invoice->get_disable_taxes() ) {
+    if ('invoice' == $invoice->get_type() && wpinv_use_taxes() && !$invoice->get_disable_taxes()) {
 
         $taxes = $invoice->get_total_tax();
-        if ( empty( $taxes ) && GetPaid_Payment_Form_Submission_Taxes::is_eu_transaction( $invoice->get_country() ) ) {
-            $invoice->add_note( __( 'VAT was reverse charged', 'invoicing' ), false, false, true );
+        if (empty($taxes) && GetPaid_Payment_Form_Submission_Taxes::is_eu_transaction($invoice->get_country())) {
+            $invoice->add_note(__('VAT was reverse charged', 'invoicing'), false, false, true);
         }
 
     }
 
 }
-add_action( 'getpaid_invoice_payment_status_changed', 'getpaid_process_invoice_payment' );
+add_action('getpaid_invoice_payment_status_changed', 'getpaid_process_invoice_payment');
 
 /**
  * Returns an array of invoice item columns
@@ -902,13 +902,13 @@ 
  * @param int|WPInv_Invoice $invoice
  * @return array
  */
-function getpaid_invoice_item_columns( $invoice ) {
+function getpaid_invoice_item_columns($invoice) {
 
     // Prepare the invoice.
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Abort if there is no invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return array();
     }
 
@@ -916,57 +916,57 @@ 
     $columns = apply_filters(
         'getpaid_invoice_item_columns',
         array(
-            'name'     => __( 'Item', 'invoicing' ),
-            'price'    => __( 'Price', 'invoicing' ),
-            'tax_rate' => __( 'Tax Rate', 'invoicing' ),
-            'quantity' => __( 'Quantity', 'invoicing' ),
-            'subtotal' => __( 'Item Subtotal', 'invoicing' ),
+            'name'     => __('Item', 'invoicing'),
+            'price'    => __('Price', 'invoicing'),
+            'tax_rate' => __('Tax Rate', 'invoicing'),
+            'quantity' => __('Quantity', 'invoicing'),
+            'subtotal' => __('Item Subtotal', 'invoicing'),
         ),
         $invoice
     );
 
     // Quantities.
-    if ( isset( $columns[ 'quantity' ] ) ) {
+    if (isset($columns['quantity'])) {
 
-        if ( 'hours' == $invoice->get_template() ) {
-            $columns[ 'quantity' ] = __( 'Hours', 'invoicing' );
+        if ('hours' == $invoice->get_template()) {
+            $columns['quantity'] = __('Hours', 'invoicing');
         }
 
-        if ( ! wpinv_item_quantities_enabled() || 'amount' == $invoice->get_template() ) {
-            unset( $columns[ 'quantity' ] );
+        if (!wpinv_item_quantities_enabled() || 'amount' == $invoice->get_template()) {
+            unset($columns['quantity']);
         }
 
     }
 
 
     // Price.
-    if ( isset( $columns[ 'price' ] ) ) {
+    if (isset($columns['price'])) {
 
-        if ( 'amount' == $invoice->get_template() ) {
-            $columns[ 'price' ] = __( 'Amount', 'invoicing' );
+        if ('amount' == $invoice->get_template()) {
+            $columns['price'] = __('Amount', 'invoicing');
         }
 
-        if ( 'hours' == $invoice->get_template() ) {
-            $columns[ 'price' ] = __( 'Rate', 'invoicing' );
+        if ('hours' == $invoice->get_template()) {
+            $columns['price'] = __('Rate', 'invoicing');
         }
 
     }
 
 
     // Sub total.
-    if ( isset( $columns[ 'subtotal' ] ) ) {
+    if (isset($columns['subtotal'])) {
 
-        if ( 'amount' == $invoice->get_template() ) {
-            unset( $columns[ 'subtotal' ] );
+        if ('amount' == $invoice->get_template()) {
+            unset($columns['subtotal']);
         }
 
     }
 
     // Tax rates.
-    if ( isset( $columns[ 'tax_rate' ] ) ) {
+    if (isset($columns['tax_rate'])) {
 
-        if ( 0 == $invoice->get_tax() ) {
-            unset( $columns[ 'tax_rate' ] );
+        if (0 == $invoice->get_tax()) {
+            unset($columns['tax_rate']);
         }
 
     }
@@ -980,38 +980,38 @@ 
  * @param int|WPInv_Invoice $invoice
  * @return array
  */
-function getpaid_invoice_totals_rows( $invoice ) {
+function getpaid_invoice_totals_rows($invoice) {
 
     // Prepare the invoice.
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Abort if there is no invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return array();
     }
 
     $totals = apply_filters(
         'getpaid_invoice_totals_rows',
         array(
-            'subtotal' => __( 'Subtotal', 'invoicing' ),
-            'tax'      => __( 'Tax', 'invoicing' ),
-            'fee'      => __( 'Fee', 'invoicing' ),
-            'discount' => __( 'Discount', 'invoicing' ),
-            'total'    => __( 'Total', 'invoicing' ),
+            'subtotal' => __('Subtotal', 'invoicing'),
+            'tax'      => __('Tax', 'invoicing'),
+            'fee'      => __('Fee', 'invoicing'),
+            'discount' => __('Discount', 'invoicing'),
+            'total'    => __('Total', 'invoicing'),
         ),
         $invoice
     );
 
-    if ( ( $invoice->get_disable_taxes() || ! wpinv_use_taxes() ) && isset( $totals['tax'] ) ) {
-        unset( $totals['tax'] );
+    if (($invoice->get_disable_taxes() || !wpinv_use_taxes()) && isset($totals['tax'])) {
+        unset($totals['tax']);
     }
 
-    if ( 0 == $invoice->get_total_fees() && isset( $totals['fee'] ) ) {
-        unset( $totals['fee'] );
+    if (0 == $invoice->get_total_fees() && isset($totals['fee'])) {
+        unset($totals['fee']);
     }
 
-    if ( 0 == $invoice->get_total_discount() && isset( $totals['discount'] ) ) {
-        unset( $totals['discount'] );
+    if (0 == $invoice->get_total_discount() && isset($totals['discount'])) {
+        unset($totals['discount']);
     }
 
     return $totals;
@@ -1022,47 +1022,47 @@ 
  *
  * @param WPInv_Invoice $invoice
  */
-function getpaid_new_invoice( $invoice ) {
+function getpaid_new_invoice($invoice) {
 
-    if ( ! $invoice->get_status() ) {
+    if (!$invoice->get_status()) {
         return;
     }
 
     // Add an invoice created note.
     $invoice->add_note(
         sprintf(
-            __( '%s created with the status "%s".', 'invoicing' ),
-            ucfirst( $invoice->get_invoice_quote_type() ),
-            wpinv_status_nicename( $invoice->get_status(), $invoice  )
+            __('%s created with the status "%s".', 'invoicing'),
+            ucfirst($invoice->get_invoice_quote_type()),
+            wpinv_status_nicename($invoice->get_status(), $invoice)
         )
     );
 
 }
-add_action( 'getpaid_new_invoice', 'getpaid_new_invoice' );
+add_action('getpaid_new_invoice', 'getpaid_new_invoice');
 
 /**
  * This function updates invoice caches.
  *
  * @param WPInv_Invoice $invoice
  */
-function getpaid_update_invoice_caches( $invoice ) {
+function getpaid_update_invoice_caches($invoice) {
 
     // Cache invoice number.
-    wp_cache_set( $invoice->get_number(), $invoice->get_id(), "getpaid_invoice_numbers_to_invoice_ids" );
+    wp_cache_set($invoice->get_number(), $invoice->get_id(), "getpaid_invoice_numbers_to_invoice_ids");
 
     // Cache invoice key.
-    wp_cache_set( $invoice->get_key(), $invoice->get_id(), "getpaid_invoice_keys_to_invoice_ids" );
+    wp_cache_set($invoice->get_key(), $invoice->get_id(), "getpaid_invoice_keys_to_invoice_ids");
 
     // (Maybe) cache transaction id.
     $transaction_id = $invoice->get_transaction_id();
 
-    if ( ! empty( $transaction_id ) ) {
-        wp_cache_set( $transaction_id, $invoice->get_id(), "getpaid_invoice_transaction_ids_to_invoice_ids" );
+    if (!empty($transaction_id)) {
+        wp_cache_set($transaction_id, $invoice->get_id(), "getpaid_invoice_transaction_ids_to_invoice_ids");
     }
 
 }
-add_action( 'getpaid_new_invoice', 'getpaid_update_invoice_caches', 5 );
-add_action( 'getpaid_update_invoice', 'getpaid_update_invoice_caches', 5 );
+add_action('getpaid_new_invoice', 'getpaid_update_invoice_caches', 5);
+add_action('getpaid_update_invoice', 'getpaid_update_invoice_caches', 5);
 
 /**
  * Duplicates an invoice.
@@ -1072,7 +1072,7 @@ 
  * @param  WPInv_Invoice $old_invoice The invoice to duplicate
  * @return WPInv_Invoice The new invoice.
  */
-function getpaid_duplicate_invoice( $old_invoice ) {
+function getpaid_duplicate_invoice($old_invoice) {
 
     // Create the new invoice.
     $invoice = new WPInv_Invoice();
@@ -1133,121 +1133,121 @@ 
  * @param WPInv_Invoice $invoice
  * @return array
  */
-function getpaid_get_invoice_meta( $invoice ) {
+function getpaid_get_invoice_meta($invoice) {
 
     // Load the invoice meta.
     $meta = array(
 
         'number' => array(
             'label' => sprintf(
-                __( '%s Number', 'invoicing' ),
-                ucfirst( $invoice->get_invoice_quote_type() )
+                __('%s Number', 'invoicing'),
+                ucfirst($invoice->get_invoice_quote_type())
             ),
-            'value' => sanitize_text_field( $invoice->get_number() ),
+            'value' => sanitize_text_field($invoice->get_number()),
         ),
 
         'status' => array(
             'label' => sprintf(
-                __( '%s Status', 'invoicing' ),
-                ucfirst( $invoice->get_invoice_quote_type() )
+                __('%s Status', 'invoicing'),
+                ucfirst($invoice->get_invoice_quote_type())
             ),
             'value' => $invoice->get_status_label_html(),
         ),
 
         'date' => array(
             'label' => sprintf(
-                __( '%s Date', 'invoicing' ),
-                ucfirst( $invoice->get_invoice_quote_type() )
+                __('%s Date', 'invoicing'),
+                ucfirst($invoice->get_invoice_quote_type())
             ),
-            'value' => getpaid_format_date( $invoice->get_created_date() ),
+            'value' => getpaid_format_date($invoice->get_created_date()),
         ),
 
         'date_paid' => array(
-            'label' => __( 'Paid On', 'invoicing' ),
-            'value' => getpaid_format_date( $invoice->get_completed_date() ),
+            'label' => __('Paid On', 'invoicing'),
+            'value' => getpaid_format_date($invoice->get_completed_date()),
         ),
 
         'gateway'   => array(
-            'label' => __( 'Payment Method', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_gateway_title() ),
+            'label' => __('Payment Method', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_gateway_title()),
         ),
 
         'transaction_id' => array(
-            'label' => __( 'Transaction ID', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_transaction_id() ),
+            'label' => __('Transaction ID', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_transaction_id()),
         ),
 
         'due_date'  => array(
-            'label' => __( 'Due Date', 'invoicing' ),
-            'value' => getpaid_format_date( $invoice->get_due_date() ),
+            'label' => __('Due Date', 'invoicing'),
+            'value' => getpaid_format_date($invoice->get_due_date()),
         ),
 
         'vat_number' => array(
-            'label' => __( 'VAT Number', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_vat_number() ),
+            'label' => __('VAT Number', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_vat_number()),
         ),
 
     );
 
     // If it is not paid, remove the date of payment.
-    if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) {
-        unset( $meta[ 'date_paid' ] );
-        unset( $meta[ 'transaction_id' ] );
+    if (!$invoice->is_paid() && !$invoice->is_refunded()) {
+        unset($meta['date_paid']);
+        unset($meta['transaction_id']);
     }
 
-    if ( ! $invoice->is_paid() || 'none' == $invoice->get_gateway() ) {
-        unset( $meta[ 'gateway' ] );
+    if (!$invoice->is_paid() || 'none' == $invoice->get_gateway()) {
+        unset($meta['gateway']);
     }
 
     // Only display the due date if due dates are enabled.
-    if ( ! $invoice->needs_payment() || ! wpinv_get_option( 'overdue_active' ) ) {
-        unset( $meta[ 'due_date' ] );
+    if (!$invoice->needs_payment() || !wpinv_get_option('overdue_active')) {
+        unset($meta['due_date']);
     }
 
     // Only display the vat number if taxes are enabled.
-    if ( ! wpinv_use_taxes() ) {
-        unset( $meta[ 'vat_number' ] );
+    if (!wpinv_use_taxes()) {
+        unset($meta['vat_number']);
     }
 
     // Link to the parent invoice.
-    if ( $invoice->get_parent_id() > 0 ) {
+    if ($invoice->get_parent_id() > 0) {
 
-        $meta[ 'parent' ] = array(
+        $meta['parent'] = array(
 
             'label' => sprintf(
-                __( 'Parent %s', 'invoicing' ),
-                ucfirst( $invoice->get_invoice_quote_type() )
+                __('Parent %s', 'invoicing'),
+                ucfirst($invoice->get_invoice_quote_type())
             ),
 
-            'value' => wpinv_invoice_link( $invoice->get_parent_id() ),
+            'value' => wpinv_invoice_link($invoice->get_parent_id()),
 
         );
 
     }
 
     
-    if ( $invoice->is_recurring() ) {
+    if ($invoice->is_recurring()) {
 
-        $subscription = getpaid_get_invoice_subscriptions( $invoice );
-        if ( ! empty ( $subscription ) && ! is_array( $subscription ) && $subscription->exists() ) {
+        $subscription = getpaid_get_invoice_subscriptions($invoice);
+        if (!empty ($subscription) && !is_array($subscription) && $subscription->exists()) {
 
             // Display the renewal date.
-            if ( $subscription->is_active() && 'cancelled' != $subscription->get_status() ) {
+            if ($subscription->is_active() && 'cancelled' != $subscription->get_status()) {
 
-                $meta[ 'renewal_date' ] = array(
-                    'label' => __( 'Renews On', 'invoicing' ),
-                    'value' => getpaid_format_date( $subscription->get_expiration() ),
+                $meta['renewal_date'] = array(
+                    'label' => __('Renews On', 'invoicing'),
+                    'value' => getpaid_format_date($subscription->get_expiration()),
                 );
 
             }
 
-            if ( $invoice->is_parent() ) {
+            if ($invoice->is_parent()) {
 
                 // Display the recurring amount.
-                $meta[ 'recurring_total' ] = array(
+                $meta['recurring_total'] = array(
 
-                    'label' => __( 'Recurring Amount', 'invoicing' ),
-                    'value' => wpinv_price( $subscription->get_recurring_amount(), $invoice->get_currency() ),
+                    'label' => __('Recurring Amount', 'invoicing'),
+                    'value' => wpinv_price($subscription->get_recurring_amount(), $invoice->get_currency()),
 
                 );
 
@@ -1257,15 +1257,15 @@ 
     }
 
     // Add the invoice total to the meta.
-    $meta[ 'invoice_total' ] = array(
+    $meta['invoice_total'] = array(
 
-        'label' => __( 'Total Amount', 'invoicing' ),
-        'value' => wpinv_price( $invoice->get_total(), $invoice->get_currency() ),
+        'label' => __('Total Amount', 'invoicing'),
+        'value' => wpinv_price($invoice->get_total(), $invoice->get_currency()),
 
     );
 
     // Provide a way for third party plugins to filter the meta.
-    $meta = apply_filters( 'getpaid_invoice_meta_data', $meta, $invoice );
+    $meta = apply_filters('getpaid_invoice_meta_data', $meta, $invoice);
 
     return $meta;
 
@@ -1304,12 +1304,12 @@ 
  * @param GetPaid_Form_Item $item
  * @return float
  */
-function getpaid_get_invoice_tax_rate( $invoice, $item ) {
+function getpaid_get_invoice_tax_rate($invoice, $item) {
 
-    $rates   = getpaid_get_item_tax_rates( $item, $invoice->get_country(), $invoice->get_state() );
-	$rates   = getpaid_filter_item_tax_rates( $item, $rates );
-    $rates   = wp_list_pluck( $rates, 'rate' );
+    $rates   = getpaid_get_item_tax_rates($item, $invoice->get_country(), $invoice->get_state());
+	$rates = getpaid_filter_item_tax_rates($item, $rates);
+    $rates   = wp_list_pluck($rates, 'rate');
 
-    return array_sum( $rates );
+    return array_sum($rates);
 
 }

templates/payment-forms-admin/edit/date.php

Spacing +7 added lines, -7 removed lines

@@ -7,36 +7,36 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Field Label', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Field Label', 'invoicing'); ?></span>
         <input v-model='active_form_element.label' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
+        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
     </label>
 </div>
 
 <div class='form-group form-check'>
     <input :id="active_form_element.id + '_edit'" v-model='active_form_element.required' type='checkbox' class='form-check-input' />
-    <label class='form-check-label' :for="active_form_element.id + '_edit'"><?php esc_html_e( 'Is this field required?', 'invoicing' ); ?></label>
+    <label class='form-check-label' :for="active_form_element.id + '_edit'"><?php esc_html_e('Is this field required?', 'invoicing'); ?></label>
 </div>
 
 <hr class='featurette-divider mt-4'>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Email Merge Tag', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Email Merge Tag', 'invoicing'); ?></span>
         <input :value='active_form_element.label | formatMergeTag' class='form-control bg-white' type="text" readonly onclick="this.select()" />
-        <span class="form-text text-muted"><?php esc_html_e( 'You can use this merge tag in notification emails', 'invoicing' ); ?></span>
+        <span class="form-text text-muted"><?php esc_html_e('You can use this merge tag in notification emails', 'invoicing'); ?></span>
     </label>
 </div>
 

templates/payment-forms-admin/edit/email.php

Spacing +8 added lines, -8 removed lines

@@ -7,43 +7,43 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Field Label', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Field Label', 'invoicing'); ?></span>
         <input v-model='active_form_element.label' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Placeholder text', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Placeholder text', 'invoicing'); ?></span>
         <input v-model='active_form_element.placeholder' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
+        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
     </label>
 </div>
 
 <div class='form-group form-check'>
     <input :id="active_form_element.id + '_edit'" v-model='active_form_element.required' type='checkbox' class='form-check-input' />
-    <label class='form-check-label' :for="active_form_element.id + '_edit'"><?php esc_html_e( 'Is this field required?', 'invoicing' ); ?></label>
+    <label class='form-check-label' :for="active_form_element.id + '_edit'"><?php esc_html_e('Is this field required?', 'invoicing'); ?></label>
 </div>
 
 <hr class='featurette-divider mt-4'>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Email Merge Tag', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Email Merge Tag', 'invoicing'); ?></span>
         <input :value='active_form_element.label | formatMergeTag' class='form-control bg-white' type="text" readonly onclick="this.select()" />
-        <span class="form-text text-muted"><?php esc_html_e( 'You can use this merge tag in notification emails', 'invoicing' ); ?></span>
+        <span class="form-text text-muted"><?php esc_html_e('You can use this merge tag in notification emails', 'invoicing'); ?></span>
     </label>
 </div>
 

templates/payment-forms-admin/edit/select.php

Spacing +10 added lines, -10 removed lines

@@ -7,49 +7,49 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Field Label', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Field Label', 'invoicing'); ?></span>
         <input v-model='active_form_element.label' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Placeholder text', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Placeholder text', 'invoicing'); ?></span>
         <input v-model='active_form_element.placeholder' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
+        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
     </label>
 </div>
 
 <div class='form-group form-check'>
     <input :id="active_form_element.id + '_edit'" v-model='active_form_element.required' type='checkbox' class='form-check-input' />
-    <label class='form-check-label' :for="active_form_element.id + '_edit'"><?php esc_html_e( 'Is this field required?', 'invoicing' ); ?></label>
+    <label class='form-check-label' :for="active_form_element.id + '_edit'"><?php esc_html_e('Is this field required?', 'invoicing'); ?></label>
 </div>
 
 <hr class='featurette-divider mt-4'>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Email Merge Tag', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Email Merge Tag', 'invoicing'); ?></span>
         <input :value='active_form_element.label | formatMergeTag' class='form-control bg-white' type="text" readonly onclick="this.select()" />
-        <span class="form-text text-muted"><?php esc_html_e( 'You can use this merge tag in notification emails', 'invoicing' ); ?></span>
+        <span class="form-text text-muted"><?php esc_html_e('You can use this merge tag in notification emails', 'invoicing'); ?></span>
     </label>
 </div>
 
 <hr class='featurette-divider mt-4'>
 
-<h5><?php esc_html_e( 'Available Options', 'invoicing' ); ?></h5>
+<h5><?php esc_html_e('Available Options', 'invoicing'); ?></h5>
 
 <div class='form-group input-group' v-for='(option, index) in active_form_element.options'>
     <input type='text' class='form-control' v-model='active_form_element.options[index]'>
@@ -59,5 +59,5 @@ 
 </div>
 
 <div class='form-group'>
-    <button class='button button-secondary' type='button' @click.prevent='active_form_element.options.push("")'><?php esc_html_e( 'Add Option', 'invoicing' ); ?></button>
+    <button class='button button-secondary' type='button' @click.prevent='active_form_element.options.push("")'><?php esc_html_e('Add Option', 'invoicing'); ?></button>
 </div>

templates/payment-forms-admin/edit/price_select.php

Spacing +16 added lines, -16 removed lines

@@ -7,53 +7,53 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <small class='form-text text-muted mb-2'>
-    <?php esc_html_e( 'This amount will be added to the total amount for this form', 'invoicing' ); ?>
+    <?php esc_html_e('This amount will be added to the total amount for this form', 'invoicing'); ?>
 </small>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Field Label', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Field Label', 'invoicing'); ?></span>
         <input v-model='active_form_element.label' class='form-control' />
     </label>
 </div>
 
 <div class='form-group' v-if="active_form_element.select_type=='select'">
     <label class="d-block">
-        <span><?php esc_html_e( 'Placeholder text', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Placeholder text', 'invoicing'); ?></span>
         <input v-model='active_form_element.placeholder' class='form-control' />
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Select Type', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Select Type', 'invoicing'); ?></span>
         <select class='form-control custom-select' v-model='active_form_element.select_type'>
-            <option value='select'><?php esc_html_e( 'Dropdown', 'invoicing' ) ?></option>
-            <option value='checkboxes'><?php esc_html_e( 'Checkboxes', 'invoicing' ) ?></option>
-            <option value='radios'><?php esc_html_e( 'Radio Buttons', 'invoicing' ) ?></option>
-            <option value='buttons'><?php esc_html_e( 'Buttons', 'invoicing' ) ?></option>
-            <option value='circles'><?php esc_html_e( 'Circles', 'invoicing' ) ?></option>
+            <option value='select'><?php esc_html_e('Dropdown', 'invoicing') ?></option>
+            <option value='checkboxes'><?php esc_html_e('Checkboxes', 'invoicing') ?></option>
+            <option value='radios'><?php esc_html_e('Radio Buttons', 'invoicing') ?></option>
+            <option value='buttons'><?php esc_html_e('Buttons', 'invoicing') ?></option>
+            <option value='circles'><?php esc_html_e('Circles', 'invoicing') ?></option>
         </select>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Options', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Options', 'invoicing'); ?></span>
         <textarea placeholder='Basic|10,Pro|99,Business|199' v-model='active_form_element.options' class='form-control' rows='3'></textarea>
-        <small class='form-text text-muted mb-2'><?php esc_html_e( 'Use commas to separate options and pipes to separate a label and its price. Do not include a currency symbol in the price.', 'invoicing' ); ?></small>
+        <small class='form-text text-muted mb-2'><?php esc_html_e('Use commas to separate options and pipes to separate a label and its price. Do not include a currency symbol in the price.', 'invoicing'); ?></small>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
+        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
     </label>
 </div>
 
@@ -61,9 +61,9 @@ 
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Email Merge Tag', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Email Merge Tag', 'invoicing'); ?></span>
         <input :value='active_form_element.label | formatMergeTag' class='form-control bg-white' type="text" readonly onclick="this.select()" />
-        <span class="form-text text-muted"><?php esc_html_e( 'You can use this merge tag in notification emails', 'invoicing' ); ?></span>
+        <span class="form-text text-muted"><?php esc_html_e('You can use this merge tag in notification emails', 'invoicing'); ?></span>
     </label>
 </div>
 

templates/payment-forms-admin/edit/price_input.php

Spacing +10 added lines, -10 removed lines

@@ -7,46 +7,46 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <small class='form-text text-muted mb-2'>
-    <?php esc_html_e( 'The amount that users add to this field will be added to the total amount for this form', 'invoicing' ); ?>
+    <?php esc_html_e('The amount that users add to this field will be added to the total amount for this form', 'invoicing'); ?>
 </small>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Field Label', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Field Label', 'invoicing'); ?></span>
         <input v-model='active_form_element.label' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Default Amount', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Default Amount', 'invoicing'); ?></span>
         <input v-model='active_form_element.value' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Minimum Amount', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Minimum Amount', 'invoicing'); ?></span>
         <input v-model='active_form_element.minimum' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Placeholder text', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Placeholder text', 'invoicing'); ?></span>
         <input v-model='active_form_element.placeholder' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
+        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
     </label>
 </div>
 
@@ -54,9 +54,9 @@ 
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Email Merge Tag', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Email Merge Tag', 'invoicing'); ?></span>
         <input :value='active_form_element.label | formatMergeTag' class='form-control bg-white' type="text" readonly onclick="this.select()" />
-        <span class="form-text text-muted"><?php esc_html_e( 'You can use this merge tag in notification emails', 'invoicing' ); ?></span>
+        <span class="form-text text-muted"><?php esc_html_e('You can use this merge tag in notification emails', 'invoicing'); ?></span>
     </label>
 </div>
 

templates/payment-forms-admin/edit/radio.php

Spacing +9 added lines, -9 removed lines

@@ -7,42 +7,42 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Field Label', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Field Label', 'invoicing'); ?></span>
         <input v-model='active_form_element.label' class='form-control' type="text"/>
     </label>
 </div>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Help Text', 'invoicing' ); ?></span>
-        <textarea placeholder='<?php esc_attr_e( 'Add some help text for this field', 'invoicing' ); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
+        <span><?php esc_html_e('Help Text', 'invoicing'); ?></span>
+        <textarea placeholder='<?php esc_attr_e('Add some help text for this field', 'invoicing'); ?>' v-model='active_form_element.description' class='form-control' rows='3'></textarea>
     </label>
 </div>
 
 <div class='form-group form-check'>
     <input :id="active_form_element.id + '_edit'" v-model='active_form_element.required' type='checkbox' class='form-check-input' />
-    <label class='form-check-label' :for="active_form_element.id + '_edit'"><?php esc_html_e( 'Is this field required?', 'invoicing' ); ?></label>
+    <label class='form-check-label' :for="active_form_element.id + '_edit'"><?php esc_html_e('Is this field required?', 'invoicing'); ?></label>
 </div>
 
 <hr class='featurette-divider mt-4'>
 
 <div class='form-group'>
     <label class="d-block">
-        <span><?php esc_html_e( 'Email Merge Tag', 'invoicing' ); ?></span>
+        <span><?php esc_html_e('Email Merge Tag', 'invoicing'); ?></span>
         <input :value='active_form_element.label | formatMergeTag' class='form-control bg-white' type="text" readonly onclick="this.select()" />
-        <span class="form-text text-muted"><?php esc_html_e( 'You can use this merge tag in notification emails', 'invoicing' ); ?></span>
+        <span class="form-text text-muted"><?php esc_html_e('You can use this merge tag in notification emails', 'invoicing'); ?></span>
     </label>
 </div>
 
 <hr class='featurette-divider mt-4'>
 
-<h5><?php esc_html_e( 'Available Options', 'invoicing' ); ?></h5>
+<h5><?php esc_html_e('Available Options', 'invoicing'); ?></h5>
 
 <div class='form-group input-group' v-for='(option, index) in active_form_element.options'>
     <input type='text' class='form-control' v-model='active_form_element.options[index]'>
@@ -52,5 +52,5 @@ 
 </div>
 
 <div class='form-group'>
-    <button class='button button-secondary' type='button' @click.prevent='active_form_element.options.push("")'><?php esc_html_e( 'Add Option', 'invoicing' ); ?></button>
+    <button class='button button-secondary' type='button' @click.prevent='active_form_element.options.push("")'><?php esc_html_e('Add Option', 'invoicing'); ?></button>
 </div>

includes/admin/meta-boxes/class-getpaid-meta-box-payment-form.php

Indentation +15 added lines, -15 removed lines

@@ -7,7 +7,7 @@ 
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
-	exit; // Exit if accessed directly
+    exit; // Exit if accessed directly
 }
 
 /**
@@ -16,10 +16,10 @@ 
 class GetPaid_Meta_Box_Payment_Form {
 
     /**
-	 * Output the metabox.
-	 *
-	 * @param WP_Post $post
-	 */
+     * Output the metabox.
+     *
+     * @param WP_Post $post
+     */
     public static function output( $post ) {
         ?>
         <style>
@@ -102,11 +102,11 @@ 
     }
 
     /**
-	 * Save meta box data.
-	 *
-	 * @param int $post_id
-	 */
-	public static function save( $post_id ) {
+     * Save meta box data.
+     *
+     * @param int $post_id
+     */
+    public static function save( $post_id ) {
 
         // Prepare the form.
         $form = new GetPaid_Payment_Form( $post_id );
@@ -137,11 +137,11 @@ 
     }
 
     /**
-	 * Converts an array fo form items to objects.
-	 *
-	 * @param array $items
-	 */
-	public static function item_to_objects( $items ) {
+     * Converts an array fo form items to objects.
+     *
+     * @param array $items
+     */
+    public static function item_to_objects( $items ) {
 
         $objects = array();
 

Spacing +29 added lines, -29 removed lines

@@ -6,7 +6,7 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit; // Exit if accessed directly
 }
 
@@ -20,7 +20,7 @@ 
 	 *
 	 * @param WP_Post $post
 	 */
-    public static function output( $post ) {
+    public static function output($post) {
         ?>
         <style>
             .wpinv-form-builder-edit-field-wrapper label.d-block > span:first-child{
@@ -33,7 +33,7 @@ 
                 <div class="col-sm-4">
 
                     <!-- Builder tabs -->
-                    <button class="button button-primary" v-if="active_tab!='new_item'" @click.prevent="active_tab='new_item'"><?php _e( 'Go Back', 'invoicing' ); ?></button>
+                    <button class="button button-primary" v-if="active_tab!='new_item'" @click.prevent="active_tab='new_item'"><?php _e('Go Back', 'invoicing'); ?></button>
 
                     <!-- Builder tab content -->
                     <div class="mt-4">
@@ -41,7 +41,7 @@ 
                         <!-- Available builder elements -->
                         <div class="wpinv-form-builder-tab-pane" v-if="active_tab=='new_item'">
                             <div class="wpinv-form-builder-add-field-types">
-                                <small class='form-text text-muted'><?php _e( 'Add an element by dragging it to the payment form.', 'invoicing' ); ?></small>
+                                <small class='form-text text-muted'><?php _e('Add an element by dragging it to the payment form.', 'invoicing'); ?></small>
                                 <draggable class="section mt-2" style="display: flex; flex-flow: wrap; justify-content: space-between;" v-model="elements" :group="{ name: 'fields', pull: 'clone', put: false }" :sort="false" :clone="addDraggedField" tag="ul" filter=".wpinv-undraggable">
                                     <li v-for="element in elements" class= "wpinv-payment-form-left-fields-field" @click.prevent="addField(element)" :class="{ 'd-none': element.defaults.premade }">
                                         <button class="button btn text-dark">
@@ -56,18 +56,18 @@ 
                         <!-- Edit an element -->
                         <div class="wpinv-form-builder-tab-pane" v-if="active_tab=='edit_item'" style="font-size: 14px;">
                             <div class="wpinv-form-builder-edit-field-wrapper">
-                                <?php do_action( 'wpinv_payment_form_edit_element_template', 'active_form_element', $post ); ?>
-                                <?php do_action( 'getpaid_payment_form_edit_element_template', $post ); ?>
+                                <?php do_action('wpinv_payment_form_edit_element_template', 'active_form_element', $post); ?>
+                                <?php do_action('getpaid_payment_form_edit_element_template', $post); ?>
                                 <div class='form-group'>
-                                    <label :for="active_form_element.id + '_grid_width'"><?php esc_html_e( 'Width', 'invoicing' ) ?></label>
+                                    <label :for="active_form_element.id + '_grid_width'"><?php esc_html_e('Width', 'invoicing') ?></label>
                                     <select class='form-control custom-select' :id="active_form_element.id + '_grid_width'" v-model='gridWidth'>
-                                        <option value='full'><?php esc_html_e( 'Full Width', 'invoicing' ); ?></option>
-                                        <option value='half'><?php esc_html_e( 'Half Width', 'invoicing' ); ?></option>
-                                        <option value='third'><?php esc_html_e( '1/3 Width', 'invoicing' ); ?></option>
+                                        <option value='full'><?php esc_html_e('Full Width', 'invoicing'); ?></option>
+                                        <option value='half'><?php esc_html_e('Half Width', 'invoicing'); ?></option>
+                                        <option value='third'><?php esc_html_e('1/3 Width', 'invoicing'); ?></option>
                                     </select>
                                 </div>
                                 <div>
-                                    <button type="button" class="button button-link button-link-delete" @click.prevent="removeField(active_form_element)" v-show="! active_form_element.premade"><?php _e( 'Delete Element', 'invoicing' ); ?></button>
+                                    <button type="button" class="button button-link button-link-delete" @click.prevent="removeField(active_form_element)" v-show="! active_form_element.premade"><?php _e('Delete Element', 'invoicing'); ?></button>
                                 </div>
                             </div>
                         </div>
@@ -76,15 +76,15 @@ 
 
                 </div>
                 <div class="col-sm-8 border-left">
-                    <small class='form-text text-muted' v-if='form_elements.length'><?php _e( 'Click on any element to edit or delete it.', 'invoicing' ); ?></small>
-                    <p class='form-text text-muted' v-if='! form_elements.length'><?php _e( 'This form is empty. Add new elements by dragging them from the right.', 'invoicing' ); ?></p>
+                    <small class='form-text text-muted' v-if='form_elements.length'><?php _e('Click on any element to edit or delete it.', 'invoicing'); ?></small>
+                    <p class='form-text text-muted' v-if='! form_elements.length'><?php _e('This form is empty. Add new elements by dragging them from the right.', 'invoicing'); ?></p>
 
                     <div class="container-fluid">
                         <draggable class="section row" v-model="form_elements" @add="highlightLastDroppedField" group="fields" tag="div" style="min-height: 100%; font-size: 14px;">
                             <div v-for="form_element in form_elements" class="wpinv-form-builder-element-preview" :class="[{ active: active_form_element==form_element &&  active_tab=='edit_item' }, form_element.type, grid_class( form_element ) ]" @click="active_tab = 'edit_item'; active_form_element = form_element">
                                 <div class="wpinv-form-builder-element-preview-inner">
                                     <div class="wpinv-payment-form-field-preview-overlay"></div>
-                                    <?php do_action( 'wpinv_payment_form_render_element_template', 'form_element', $post ); ?>
+                                    <?php do_action('wpinv_payment_form_render_element_template', 'form_element', $post); ?>
                                 </div>
                             </div>
                         </draggable>
@@ -98,7 +98,7 @@ 
         </div>
         <?php
 
-        wp_nonce_field( 'getpaid_meta_nonce', 'getpaid_meta_nonce' );
+        wp_nonce_field('getpaid_meta_nonce', 'getpaid_meta_nonce');
     }
 
     /**
@@ -106,33 +106,33 @@ 
 	 *
 	 * @param int $post_id
 	 */
-	public static function save( $post_id ) {
+	public static function save($post_id) {
 
         // Prepare the form.
-        $form = new GetPaid_Payment_Form( $post_id );
+        $form = new GetPaid_Payment_Form($post_id);
 
         // Fetch form items.
-        $form_items = json_decode( wp_unslash( $_POST['wpinv_form_items'] ), true );
+        $form_items = json_decode(wp_unslash($_POST['wpinv_form_items']), true);
 
         // Ensure that we have an array...
-        if ( empty( $form_items ) ) {
+        if (empty($form_items)) {
             $form_items = array();
         }
 
         // Add it to the form.
-        $form->set_items( self::item_to_objects( $form_items ) );
+        $form->set_items(self::item_to_objects($form_items));
 
         // Save form elements.
-        $form_elements = json_decode( wp_unslash( $_POST['wpinv_form_elements'] ), true );
-        if ( empty( $form_elements ) ) {
+        $form_elements = json_decode(wp_unslash($_POST['wpinv_form_elements']), true);
+        if (empty($form_elements)) {
             $form_elements = array();
         }
 
-        $form->set_elements( $form_elements );
+        $form->set_elements($form_elements);
 
         // Persist data to the datastore.
         $form->save();
-        do_action( 'getpaid_payment_form_metabox_save', $post_id, $form );
+        do_action('getpaid_payment_form_metabox_save', $post_id, $form);
 
     }
 
@@ -141,14 +141,14 @@ 
 	 *
 	 * @param array $items
 	 */
-	public static function item_to_objects( $items ) {
+	public static function item_to_objects($items) {
 
         $objects = array();
 
-        foreach ( $items as $item ) {
-            $_item = new GetPaid_Form_Item( $item['id'] );
-            $_item->set_allow_quantities( (bool) $item['allow_quantities'] );
-            $_item->set_is_required( (bool) $item['required'] );
+        foreach ($items as $item) {
+            $_item = new GetPaid_Form_Item($item['id']);
+            $_item->set_allow_quantities((bool) $item['allow_quantities']);
+            $_item->set_is_required((bool) $item['required']);
             $objects[] = $_item;
         }
 

includes/payments/class-getpaid-checkout.php

Indentation +251 added lines, -251 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' ) );
+        }
+
+        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 ) {
 
-		// 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() ) );
+        $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 ) ) {
@@ -202,31 +202,31 @@ 
 
         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;
             }
@@ -244,176 +244,176 @@ 
                     $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.
      *
      */

Spacing +105 added lines, -105 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Main Checkout Class.
@@ -22,7 +22,7 @@ 
 	 * 
 	 * @param GetPaid_Payment_Form_Submission $submission
 	 */
-	public function __construct( $submission ) {
+	public function __construct($submission) {
 		$this->payment_form_submission = $submission;
 	}
 
@@ -38,22 +38,22 @@ 
 		// Prepare the invoice.
 		$items      = $this->get_submission_items();
 		$invoice    = $this->get_submission_invoice();
-		$invoice    = $this->process_submission_invoice( $invoice, $items );
+		$invoice    = $this->process_submission_invoice($invoice, $items);
 		$prepared   = $this->prepare_submission_data_for_saving();
 
-		$this->prepare_billing_info( $invoice );
+		$this->prepare_billing_info($invoice);
 
-		$shipping   = $this->prepare_shipping_info( $invoice );
+		$shipping = $this->prepare_shipping_info($invoice);
 
 		// Save the invoice.
-		$invoice->set_is_viewed( true );
+		$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 );
+		$this->post_process_submission($invoice, $prepared, $shipping);
 	}
 
 	/**
@@ -66,34 +66,34 @@ 
 		$data       = $submission->get_data();
 
 		// Do we have an error?
-        if ( ! empty( $submission->last_error ) ) {
-			wp_send_json_error( $submission->last_error );
+        if (!empty($submission->last_error)) {
+			wp_send_json_error($submission->last_error);
         }
 
 		// We need a billing email.
-        if ( ! $submission->has_billing_email() ) {
-            wp_send_json_error( __( 'Provide a valid billing email.', 'invoicing' ) );
+        if (!$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( $data['wpi-gateway'] ) ) {
-			wp_send_json_error( __( 'The selected payment gateway does not support subscription payments.', 'invoicing' ) );
+		if ($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( $data['wpi-gateway'] ) ) {
-			wpinv_set_error( 'invalid_gateway', __( 'The selected payment gateway is not active', 'invoicing' ) );
+		if ($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();
 
 		// Allow themes and plugins to hook to errors
-		do_action( 'getpaid_checkout_error_checks', $submission );
+		do_action('getpaid_checkout_error_checks', $submission);
 
 		// Do we have any errors?
-        if ( wpinv_get_errors() ) {
-            wp_send_json_error( getpaid_get_errors_html() );
+        if (wpinv_get_errors()) {
+            wp_send_json_error(getpaid_get_errors_html());
 		}
 
 	}
@@ -108,8 +108,8 @@ 
 		$items = $this->payment_form_submission->get_items();
 
         // Ensure that we have items.
-        if ( empty( $items ) && ! $this->payment_form_submission->has_fees() ) {
-            wp_send_json_error( __( 'Please provide at least one item or amount.', 'invoicing' ) );
+        if (empty($items) && !$this->payment_form_submission->has_fees()) {
+            wp_send_json_error(__('Please provide at least one item or amount.', 'invoicing'));
 		}
 
 		return $items;
@@ -123,17 +123,17 @@ 
 	protected function get_submission_invoice() {
 		$submission = $this->payment_form_submission;
 
-		if ( ! $submission->has_invoice() ) {
+		if (!$submission->has_invoice()) {
 			$invoice = new WPInv_Invoice();
-			$invoice->set_created_via( 'payment_form' );
+			$invoice->set_created_via('payment_form');
 			return $invoice;
         }
 
 		$invoice = $submission->get_invoice();
 
 		// Make sure that it is neither paid or refunded.
-		if ( $invoice->is_paid() || $invoice->is_refunded() ) {
-			wp_send_json_error( __( 'This invoice has already been paid for.', 'invoicing' ) );
+		if ($invoice->is_paid() || $invoice->is_refunded()) {
+			wp_send_json_error(__('This invoice has already been paid for.', 'invoicing'));
 		}
 
 		return $invoice;
@@ -146,29 +146,29 @@ 
 	 * @param GetPaid_Form_Item[] $items
 	 * @return WPInv_Invoice
 	 */
-	protected function process_submission_invoice( $invoice, $items ) {
+	protected function process_submission_invoice($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'] );
-
-		$address_confirmed = $submission->get_field( 'confirm-address' );
-		$invoice->set_address_confirmed( ! empty( $address_confirmed ) );
-
-		if ( $submission->has_discount_code() ) {
-            $invoice->set_discount_code( $submission->get_discount_code() );
+		$invoice->set_email(sanitize_email($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']);
+
+		$address_confirmed = $submission->get_field('confirm-address');
+		$invoice->set_address_confirmed(!empty($address_confirmed));
+
+		if ($submission->has_discount_code()) {
+            $invoice->set_discount_code($submission->get_discount_code());
 		}
 
-		getpaid_maybe_add_default_address( $invoice );
+		getpaid_maybe_add_default_address($invoice);
 		return $invoice;
 	}
 
@@ -181,26 +181,26 @@ 
 		$submission = $this->payment_form_submission;
 
 		// If this is an existing invoice...
-		if ( $submission->has_invoice() ) {
+		if ($submission->has_invoice()) {
 			return $submission->get_invoice()->get_user_id();
 		}
 
 		// (Maybe) create the user.
         $user = get_current_user_id();
 
-        if ( empty( $user ) ) {
-            $user = get_user_by( 'email', $submission->get_billing_email() );
+        if (empty($user)) {
+            $user = get_user_by('email', $submission->get_billing_email());
         }
 
-        if ( empty( $user ) ) {
-            $user = wpinv_create_user( $submission->get_billing_email() );
+        if (empty($user)) {
+            $user = wpinv_create_user($submission->get_billing_email());
         }
 
-        if ( is_wp_error( $user ) ) {
-            wp_send_json_error( $user->get_error_message() );
+        if (is_wp_error($user)) {
+            wp_send_json_error($user->get_error_message());
         }
 
-        if ( is_numeric( $user ) ) {
+        if (is_numeric($user)) {
             return $user;
 		}
 
@@ -221,30 +221,30 @@ 
         $prepared = array();
 
         // Raw submission details.
-		$data     = $submission->get_data();
+		$data = $submission->get_data();
 
 		// Loop through the submitted details.
-        foreach ( $submission->get_payment_form()->get_elements() as $field ) {
+        foreach ($submission->get_payment_form()->get_elements() as $field) {
 
 			// Skip premade fields.
-            if ( ! empty( $field['premade'] ) || $field['type'] == 'address' ) {
+            if (!empty($field['premade']) || $field['type'] == 'address') {
                 continue;
             }
 
             // If it is required and not set, abort.
-            if ( ! $submission->is_required_field_set( $field ) ) {
-                wp_send_json_error( __( 'Please fill all required fields.', 'invoicing' ) );
+            if (!$submission->is_required_field_set($field)) {
+                wp_send_json_error(__('Please fill all required fields.', 'invoicing'));
             }
 
             // Handle misc fields.
-            if ( isset( $data[ $field['id'] ] ) ) {
+            if (isset($data[$field['id']])) {
                 $label = $field['id'];
 
-                if ( isset( $field['label'] ) ) {
+                if (isset($field['label'])) {
                     $label = $field['label'];
                 }
 
-				$prepared[ wpinv_clean( $label ) ] = wp_kses_post( $data[ $field['id'] ] );
+				$prepared[wpinv_clean($label)] = wp_kses_post($data[$field['id']]);
 
             }
 
@@ -261,30 +261,30 @@ 
 	 * @param WPInv_Invoice $invoice
 	 * @param string $type
      */
-    public function prepare_address_details( $invoice, $type = 'billing' ) {
+    public function prepare_address_details($invoice, $type = 'billing') {
 
 		$data     = $this->payment_form_submission->get_data();
-		$type     = sanitize_key( $type );
+		$type     = sanitize_key($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, $invoice );
+		foreach ($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 );
+		$prepared = apply_filters("getpaid_checkout_{$type}_address", $prepared, $this->payment_form_submission, $invoice);
 
 		// Remove non-whitelisted values.
-		return array_filter( $prepared, 'getpaid_is_address_field_whitelisted', ARRAY_FILTER_USE_KEY );
+		return array_filter($prepared, 'getpaid_is_address_field_whitelisted', ARRAY_FILTER_USE_KEY);
 
 	}
 
@@ -294,12 +294,12 @@ 
 	 * @return array
 	 * @param WPInv_Invoice $invoice
      */
-    protected function prepare_billing_info( &$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 );
+		$invoice->set_props($billing_address);
 
 	}
 
@@ -309,15 +309,15 @@ 
 	 * @return array
 	 * @param WPInv_Invoice $invoice
      */
-    protected function prepare_shipping_info( $invoice ) {
+    protected function prepare_shipping_info($invoice) {
 
 		$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');
 
 	}
 
@@ -328,31 +328,31 @@ 
 	 * @param array $prepared_payment_form_data
 	 * @param array $shipping
 	 */
-	protected function post_process_submission( $invoice, $prepared_payment_form_data, $shipping ) {
+	protected function post_process_submission($invoice, $prepared_payment_form_data, $shipping) {
 
 		// Ensure the invoice exists.
-        if ( ! $invoice->exists() ) {
-            wp_send_json_error( __( 'An error occured while saving your invoice. Please try again.', 'invoicing' ) );
+        if (!$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 );
-        if ( ! empty( $prepared_payment_form_data ) ) {
-            update_post_meta( $invoice->get_id(), 'payment_form_data', $prepared_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.
-        if ( ! empty( $shipping ) ) {
-            update_post_meta( $invoice->get_id(), 'shipping_address', $shipping );
+        if (!empty($shipping)) {
+            update_post_meta($invoice->get_id(), 'shipping_address', $shipping);
 		}
 
 		// Backwards compatibility.
-        add_filter( 'wp_redirect', array( $this, 'send_redirect_response' ) );
+        add_filter('wp_redirect', array($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);
 
 	}
 
@@ -361,41 +361,41 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	protected function process_payment( $invoice ) {
+	protected function process_payment($invoice) {
 
 		// Clear any checkout errors.
 		wpinv_clear_errors();
 
 		// No need to send free invoices to the gateway.
-		if ( $invoice->is_free() ) {
-			$this->process_free_payment( $invoice );
+		if ($invoice->is_free()) {
+			$this->process_free_payment($invoice);
 		}
 
 		$submission = $this->payment_form_submission;
 
 		// Fires before sending to the gateway.
-		do_action( 'getpaid_checkout_before_gateway', $invoice, $submission );
+		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 );
+		$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, $invoice->get_currency() ) ) {
-			wpinv_set_error( 'invalid_currency', __( 'The chosen payment gateway does not support this currency', 'invoicing' ) );
+		if (!apply_filters("getpaid_gateway_{$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( $invoice );
+		if (wpinv_get_errors()) {
+			wpinv_send_back_to_checkout($invoice);
 		}
 
 		// Send info to the gateway for payment processing
-		do_action( "getpaid_gateway_$submission_gateway", $invoice, $submission_data, $submission );
+		do_action("getpaid_gateway_$submission_gateway", $invoice, $submission_data, $submission);
 
 		// Backwards compatibility.
-		wpinv_send_to_gateway( $submission_gateway, $invoice );
+		wpinv_send_to_gateway($submission_gateway, $invoice);
 
 	}
 
@@ -404,12 +404,12 @@ 
 	 *
 	 * @param WPInv_Invoice $invoice
 	 */
-	protected function process_free_payment( $invoice ) {
+	protected function process_free_payment($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->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() ) );
+		wpinv_send_to_success_page(array('invoice_key' => $invoice->get_key()));
 
 	}
 
@@ -417,9 +417,9 @@ 
      * Sends a redrect response to payment details.
      *
      */
-    public function send_redirect_response( $url ) {
-        $url = urlencode( $url );
-        wp_send_json_success( $url );
+    public function send_redirect_response($url) {
+        $url = urlencode($url);
+        wp_send_json_success($url);
     }
 
 }