AyeCode / invoicing

templates/payment-forms-admin/previews/heading.php

Spacing +1 added lines, -1 removed lines

@@ -8,7 +8,7 @@
  */
 
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 ?>
 <component :is='form_element.level' v-html='form_element.text'></component>

templates/payment-forms/elements/file_upload.php

Indentation +10 added lines, -10 removed lines

@@ -21,20 +21,20 @@
 
 foreach ( $file_types as $file_type ) {
 
-	if ( isset( $all_types[ $file_type ] ) ) {
-		$types[]   = $all_types[ $file_type ];
-		$file_type = explode( '|', $file_type );
-
-		foreach ( $file_type as $type ) {
-			$type     = trim( $type );
-			$types[]  = ".$type";
-			$_types[] = $type;
-		}
+    if ( isset( $all_types[ $file_type ] ) ) {
+        $types[]   = $all_types[ $file_type ];
+        $file_type = explode( '|', $file_type );
+
+        foreach ( $file_type as $type ) {
+            $type     = trim( $type );
+            $types[]  = ".$type";
+            $_types[] = $type;
+        }
 }
 }
 
 if ( ! empty( $required ) ) {
-	$label .= "<span class='text-danger'> *</span>";
+    $label .= "<span class='text-danger'> *</span>";
 }
 
 ?>

Spacing +23 added lines, -23 removed lines

@@ -7,33 +7,33 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
-
-$label        = empty( $label ) ? '' : wp_kses_post( $label );
-$label_class  = sanitize_key( preg_replace( '/[^A-Za-z0-9_-]/', '-', $label ) );
-$id           = esc_attr( $id );
-$_id          = $id . uniqid( '_' );
-$max_file_num = empty( $max_file_num ) ? 1 : absint( $max_file_num );
-$file_types   = empty( $file_types ) ? array( 'jpg|jpeg|jpe', 'gif', 'png' ) : $file_types;
+defined('ABSPATH') || exit;
+
+$label        = empty($label) ? '' : wp_kses_post($label);
+$label_class  = sanitize_key(preg_replace('/[^A-Za-z0-9_-]/', '-', $label));
+$id           = esc_attr($id);
+$_id          = $id . uniqid('_');
+$max_file_num = empty($max_file_num) ? 1 : absint($max_file_num);
+$file_types   = empty($file_types) ? array('jpg|jpeg|jpe', 'gif', 'png') : $file_types;
 $all_types    = getpaid_get_allowed_mime_types();
 $types        = array();
 $_types       = array();
 
-foreach ( $file_types as $file_type ) {
+foreach ($file_types as $file_type) {
 
-	if ( isset( $all_types[ $file_type ] ) ) {
-		$types[]   = $all_types[ $file_type ];
-		$file_type = explode( '|', $file_type );
+	if (isset($all_types[$file_type])) {
+		$types[]   = $all_types[$file_type];
+		$file_type = explode('|', $file_type);
 
-		foreach ( $file_type as $type ) {
-			$type     = trim( $type );
+		foreach ($file_type as $type) {
+			$type     = trim($type);
 			$types[]  = ".$type";
 			$_types[] = $type;
 		}
 }
 }
 
-if ( ! empty( $required ) ) {
+if (!empty($required)) {
 	$label .= "<span class='text-danger'> *</span>";
 }
 
@@ -41,16 +41,16 @@ 
 
 <label><span v-html="form_element.label"></span></label>
 
-<div class="form-group mb-3 <?php echo esc_attr( $label_class ); ?>" data-name="<?php echo esc_attr( $id ); ?>" data-max="<?php echo esc_attr( $max_file_num ); ?>">
-	<label for="<?php echo esc_attr( $id ); ?>"><?php echo wp_kses_post( $label ); ?></label>
-	<input type="file" class="sr-only getpaid-files-input" id="<?php echo esc_attr( $id ); ?>" accept="<?php echo esc_attr( implode( ', ', $types ) ); ?>" data-extensions="<?php echo esc_attr( wp_json_encode( $_types ) ); ?>" <?php echo $max_file_num == 1 ? '' : 'multiple="multiple"'; ?>>
+<div class="form-group mb-3 <?php echo esc_attr($label_class); ?>" data-name="<?php echo esc_attr($id); ?>" data-max="<?php echo esc_attr($max_file_num); ?>">
+	<label for="<?php echo esc_attr($id); ?>"><?php echo wp_kses_post($label); ?></label>
+	<input type="file" class="sr-only getpaid-files-input" id="<?php echo esc_attr($id); ?>" accept="<?php echo esc_attr(implode(', ', $types)); ?>" data-extensions="<?php echo esc_attr(wp_json_encode($_types)); ?>" <?php echo $max_file_num == 1 ? '' : 'multiple="multiple"'; ?>>
 
-	<label for="<?php echo esc_attr( $id ); ?>" class="getpaid-file-upload-element d-flex w-100 flex-column align-items-center justify-content-center p-2 mb-2">
+	<label for="<?php echo esc_attr($id); ?>" class="getpaid-file-upload-element d-flex w-100 flex-column align-items-center justify-content-center p-2 mb-2">
 		<div class="h5 text-dark">
-			<?php echo esc_html( _n( 'Drag your file to this area or click to upload', 'Drag files to this area or click to upload', $max_file_num, 'invoicing' ) ); ?>
+			<?php echo esc_html(_n('Drag your file to this area or click to upload', 'Drag files to this area or click to upload', $max_file_num, 'invoicing')); ?>
 		</div>
-		<?php if ( ! empty( $description ) ) : ?>
-			<small class="form-text text-muted"><?php echo wp_kses_post( $description ); ?></small>
+		<?php if (!empty($description)) : ?>
+			<small class="form-text text-muted"><?php echo wp_kses_post($description); ?></small>
 		<?php endif; ?>
 	</label>
 
@@ -59,7 +59,7 @@ 
 	<div class="form-row row mb-3 d-none getpaid-progress-template">
 
 		<div class="overflow-hidden text-nowrap col-7 col-sm-4">
-			<a href="" class="close float-none" title="<?php esc_attr_e( 'Remove File', 'invoicing' ); ?>">&times;<span class="sr-only"><?php esc_html_e( 'Close', 'invoicing' ); ?></span></a>&nbsp;
+			<a href="" class="close float-none" title="<?php esc_attr_e('Remove File', 'invoicing'); ?>">&times;<span class="sr-only"><?php esc_html_e('Close', 'invoicing'); ?></span></a>&nbsp;
 			<i class="fa fa-file" aria-hidden="true"></i>&nbsp; <span class="getpaid-progress-file-name"></span>&nbsp;
 		</div>
 

templates/payment-forms/elements/items.php

Spacing +13 added lines, -13 removed lines

@@ -7,44 +7,44 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
-if ( empty( $form->get_items() ) ) {
+if (empty($form->get_items())) {
     return;
 }
 
-if ( ! empty( $GLOBALS['getpaid_force_checkbox'] ) ) {
+if (!empty($GLOBALS['getpaid_force_checkbox'])) {
     $items_type = 'checkbox';
 }
 
-if ( empty( $items_type ) ) {
+if (empty($items_type)) {
     $items_type = 'total';
 }
 
-do_action( 'getpaid_before_payment_form_items', $form );
+do_action('getpaid_before_payment_form_items', $form);
 
-switch ( $items_type ) {
+switch ($items_type) {
     case 'radio':
-        wpinv_get_template( 'payment-forms/variations/radio.php', compact( 'form', 'items_type' ) );
+        wpinv_get_template('payment-forms/variations/radio.php', compact('form', 'items_type'));
         break;
     case 'checkbox':
-        wpinv_get_template( 'payment-forms/variations/checkbox.php', compact( 'form', 'items_type' ) );
+        wpinv_get_template('payment-forms/variations/checkbox.php', compact('form', 'items_type'));
         break;
     case 'select':
-        wpinv_get_template( 'payment-forms/variations/select.php', compact( 'form', 'items_type' ) );
+        wpinv_get_template('payment-forms/variations/select.php', compact('form', 'items_type'));
         break;
 }
 
-do_action( 'getpaid_before_payment_form_cart', $form );
+do_action('getpaid_before_payment_form_cart', $form);
 
 // Display the cart totals.
-if ( ! empty( $hide_cart ) ) {
+if (!empty($hide_cart)) {
     echo '<div class="d-none">';
 }
 
 // Display the cart totals.
-wpinv_get_template( 'payment-forms/cart.php', compact( 'form', 'items_type' ) );
+wpinv_get_template('payment-forms/cart.php', compact('form', 'items_type'));
 
-if ( ! empty( $hide_cart ) ) {
+if (!empty($hide_cart)) {
     echo '</div>';
 }

templates/payment-forms/cart.php

Indentation +1 added lines, -1 removed lines

@@ -44,7 +44,7 @@
 
             // Display the item totals.
             foreach ( $form->get_items() as $item ) {
-			wpinv_get_template( 'payment-forms/cart-item.php', compact( 'form', 'item', 'columns' ) );
+            wpinv_get_template( 'payment-forms/cart-item.php', compact( 'form', 'item', 'columns' ) );
             }
 
             // Display the cart totals.

Spacing +17 added lines, -17 removed lines

@@ -7,34 +7,34 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Cart table columns.
 $columns = array(
-    'name'     => __( 'Item', 'invoicing' ),
-    'price'    => __( 'Price', 'invoicing' ),
-    'quantity' => __( 'Qty', 'invoicing' ),
-    'subtotal' => __( 'Subtotal', 'invoicing' ),
+    'name'     => __('Item', 'invoicing'),
+    'price'    => __('Price', 'invoicing'),
+    'quantity' => __('Qty', 'invoicing'),
+    'subtotal' => __('Subtotal', 'invoicing'),
 );
 
-if ( ! empty( $form->invoice ) ) {
-    $columns = getpaid_invoice_item_columns( $form->invoice );
+if (!empty($form->invoice)) {
+    $columns = getpaid_invoice_item_columns($form->invoice);
 }
 
-if ( isset( $columns['tax_rate'] ) ) {
-    unset( $columns['tax_rate'] );
+if (isset($columns['tax_rate'])) {
+    unset($columns['tax_rate']);
 }
 
-$columns = apply_filters( 'getpaid_payment_form_cart_table_columns', $columns, $form );
+$columns = apply_filters('getpaid_payment_form_cart_table_columns', $columns, $form);
 
 ?>
     <div class="getpaid-payment-form-items-cart border form-group mb-3">
 
         <div class="getpaid-payment-form-items-cart-header font-weight-bold bg-light border-bottom py-2 px-3">
             <div class="form-row row">
-                <?php foreach ( $columns as $key => $label ) : ?>
-                    <div class="<?php echo 'name' == $key ? 'col-6' : 'col'; ?> <?php echo ( in_array( $key, array( 'subtotal', 'quantity', 'tax_rate' ) ) ) ? 'd-none d-sm-block' : ''; ?> getpaid-form-cart-item-<?php echo esc_attr( $key ); ?>">
-                        <span><?php echo esc_html( $label ); ?></span>
+                <?php foreach ($columns as $key => $label) : ?>
+                    <div class="<?php echo 'name' == $key ? 'col-6' : 'col'; ?> <?php echo (in_array($key, array('subtotal', 'quantity', 'tax_rate'))) ? 'd-none d-sm-block' : ''; ?> getpaid-form-cart-item-<?php echo esc_attr($key); ?>">
+                        <span><?php echo esc_html($label); ?></span>
                     </div>
                 <?php endforeach; ?>
             </div>
@@ -43,16 +43,16 @@ 
         <?php
 
             // Display the item totals.
-            foreach ( $form->get_items() as $item ) {
-			wpinv_get_template( 'payment-forms/cart-item.php', compact( 'form', 'item', 'columns' ) );
+            foreach ($form->get_items() as $item) {
+			wpinv_get_template('payment-forms/cart-item.php', compact('form', 'item', 'columns'));
             }
 
             // Display the cart totals.
-            wpinv_get_template( 'payment-forms/cart-totals.php', compact( 'form' ) );
+            wpinv_get_template('payment-forms/cart-totals.php', compact('form'));
 
         ?>
     </div>
 
 <?php
 
-do_action( 'getpaid_after_payment_form_cart', $form );
+do_action('getpaid_after_payment_form_cart', $form);

templates/emails/invoice-items.php

Indentation +2 added lines, -2 removed lines

@@ -44,12 +44,12 @@
 
                 // Display the item totals.
                 foreach ( $invoice->get_items() as $item ) {
-				wpinv_get_template( 'emails/invoice-item.php', compact( 'invoice', 'item', 'columns' ) );
+                wpinv_get_template( 'emails/invoice-item.php', compact( 'invoice', 'item', 'columns' ) );
                 }
 
                 // Display the fee totals.
                 foreach ( $invoice->get_fees() as $fee ) {
-				wpinv_get_template( 'emails/fee-item.php', compact( 'invoice', 'fee', 'columns' ) );
+                wpinv_get_template( 'emails/fee-item.php', compact( 'invoice', 'fee', 'columns' ) );
                 }
 
             ?>

Spacing +12 added lines, -12 removed lines

@@ -8,18 +8,18 @@ 
  * @var WPInv_Invoice $invoice
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
-$column_count = count( $columns );
+$column_count = count($columns);
 ?>
 
-<?php do_action( 'wpinv_before_email_items', $invoice ); ?>
+<?php do_action('wpinv_before_email_items', $invoice); ?>
 
 
 <div id="wpinv-email-items">
 
     <h3 class="invoice-items-title">
-        <?php echo sprintf( esc_html__( '%s Items', 'invoicing' ), esc_html( ucfirst( $invoice->get_invoice_quote_type() ) ) ); ?>
+        <?php echo sprintf(esc_html__('%s Items', 'invoicing'), esc_html(ucfirst($invoice->get_invoice_quote_type()))); ?>
     </h3>
 
     <table class="table table-bordered table-hover">
@@ -28,9 +28,9 @@ 
 
             <tr class="wpinv_cart_header_row">
 
-                <?php foreach ( $columns as $key => $label ) : ?>
-                    <th class="<?php echo 'name' == $key ? 'text-left' : 'text-right'; ?> wpinv_cart_item_<?php echo esc_attr( $key ); ?>">
-                        <?php echo esc_html( $label ); ?>
+                <?php foreach ($columns as $key => $label) : ?>
+                    <th class="<?php echo 'name' == $key ? 'text-left' : 'text-right'; ?> wpinv_cart_item_<?php echo esc_attr($key); ?>">
+                        <?php echo esc_html($label); ?>
                     </th>
                 <?php endforeach; ?>
 
@@ -43,13 +43,13 @@ 
             <?php
 
                 // Display the item totals.
-                foreach ( $invoice->get_items() as $item ) {
-				wpinv_get_template( 'emails/invoice-item.php', compact( 'invoice', 'item', 'columns' ) );
+                foreach ($invoice->get_items() as $item) {
+				wpinv_get_template('emails/invoice-item.php', compact('invoice', 'item', 'columns'));
                 }
 
                 // Display the fee totals.
-                foreach ( $invoice->get_fees() as $fee ) {
-				wpinv_get_template( 'emails/fee-item.php', compact( 'invoice', 'fee', 'columns' ) );
+                foreach ($invoice->get_fees() as $fee) {
+				wpinv_get_template('emails/fee-item.php', compact('invoice', 'fee', 'columns'));
                 }
 
             ?>
@@ -57,7 +57,7 @@ 
         </tbody>
 
         <tfoot>
-            <?php wpinv_get_template( 'emails/invoice-totals.php', compact( 'invoice', 'column_count' ) ); ?>
+            <?php wpinv_get_template('emails/invoice-totals.php', compact('invoice', 'column_count')); ?>
         </tfoot>
     
     </table>

templates/emails/wpinv-email-billing-details.php

Indentation +1 added lines, -1 removed lines

@@ -20,7 +20,7 @@
 <a href="<?php echo esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), self_admin_url( 'user-edit.php' ) ) ); ?>"><?php echo esc_html( $invoice->get_user_full_name() ); ?></a>
                     <?php
 } else {
-					echo esc_html( $invoice->get_user_full_name() ); }
+                    echo esc_html( $invoice->get_user_full_name() ); }
 ?>
 </td>
             </tr>

Spacing +21 added lines, -21 removed lines

@@ -1,51 +1,51 @@
 <?php
 // don't load directly
-if ( ! defined( 'ABSPATH' ) ) {
-    die( '-1' );
+if (!defined('ABSPATH')) {
+    die('-1');
 }
 
-do_action( 'wpinv_email_before_billing_details', $invoice ); ?>
+do_action('wpinv_email_before_billing_details', $invoice); ?>
 <div id="wpinv-email-billing">
-    <h3 class="wpinv-address-t"><?php echo esc_html( apply_filters( 'wpinv_email_billing_title', __( 'Billing Details', 'invoicing' ) ) ); ?></h3>
+    <h3 class="wpinv-address-t"><?php echo esc_html(apply_filters('wpinv_email_billing_title', __('Billing Details', 'invoicing'))); ?></h3>
 
     <table class="table table-bordered table-sm wpi-billing-details">
         <tbody>
-            <?php do_action( 'wpinv_email_billing_fields_first', $invoice ); ?>
+            <?php do_action('wpinv_email_billing_fields_first', $invoice); ?>
             <tr class="wpi-receipt-name">
-                <th class="text-left"><?php esc_html_e( 'Name', 'invoicing' ); ?></th>
+                <th class="text-left"><?php esc_html_e('Name', 'invoicing'); ?></th>
                 <td>
                 <?php
-                if ( $sent_to_admin && $invoice->get_user_id() ) {
+                if ($sent_to_admin && $invoice->get_user_id()) {
 ?>
-<a href="<?php echo esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), self_admin_url( 'user-edit.php' ) ) ); ?>"><?php echo esc_html( $invoice->get_user_full_name() ); ?></a>
+<a href="<?php echo esc_url(add_query_arg('user_id', $invoice->get_user_id(), self_admin_url('user-edit.php'))); ?>"><?php echo esc_html($invoice->get_user_full_name()); ?></a>
                     <?php
 } else {
-					echo esc_html( $invoice->get_user_full_name() ); }
+					echo esc_html($invoice->get_user_full_name()); }
 ?>
 </td>
             </tr>
             <tr class="wpi-receipt-email">
-                <th class="text-left"><?php esc_html_e( 'Email', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( sanitize_email( $invoice->get_email() ) ); ?></td>
+                <th class="text-left"><?php esc_html_e('Email', 'invoicing'); ?></th>
+                <td><?php echo esc_html(sanitize_email($invoice->get_email())); ?></td>
             </tr>
-            <?php if ( $invoice->get_company() ) { ?>
+            <?php if ($invoice->get_company()) { ?>
             <tr class="wpi-receipt-company">
-                <th class="text-left"><?php esc_html_e( 'Company', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( $invoice->get_company() ); ?></td>
+                <th class="text-left"><?php esc_html_e('Company', 'invoicing'); ?></th>
+                <td><?php echo esc_html($invoice->get_company()); ?></td>
             </tr>
             <?php } ?>
             <tr class="wpi-receipt-address">
-                <th class="text-left"><?php esc_html_e( 'Address', 'invoicing' ); ?></th>
-                <td><?php echo wp_kses_post( wpinv_get_invoice_address_markup( $invoice->get_user_info() ) ); ?></td>
+                <th class="text-left"><?php esc_html_e('Address', 'invoicing'); ?></th>
+                <td><?php echo wp_kses_post(wpinv_get_invoice_address_markup($invoice->get_user_info())); ?></td>
             </tr>
-            <?php if ( $invoice->get_phone() ) { ?>
+            <?php if ($invoice->get_phone()) { ?>
             <tr class="wpi-receipt-phone">
-                <th class="text-left"><?php esc_html_e( 'Phone', 'invoicing' ); ?></th>
-                <td><?php echo esc_html( $invoice->get_phone() ); ?></td>
+                <th class="text-left"><?php esc_html_e('Phone', 'invoicing'); ?></th>
+                <td><?php echo esc_html($invoice->get_phone()); ?></td>
             </tr>
             <?php } ?>
-            <?php do_action( 'wpinv_email_billing_fields_last', $invoice ); ?>
+            <?php do_action('wpinv_email_billing_fields_last', $invoice); ?>
         </tbody>
     </table>
 </div>
-<?php do_action( 'wpinv_email_after_billing_details', $invoice ); ?>
+<?php do_action('wpinv_email_after_billing_details', $invoice); ?>

includes/class-getpaid-post-types.php

Indentation +295 added lines, -295 removed lines

@@ -15,321 +15,321 @@
 class GetPaid_Post_Types {
 
     /**
-	 * Hook in methods.
-	 */
-	public function __construct() {
-		add_action( 'init', array( __CLASS__, 'register_post_types' ), 1 );
-		add_action( 'init', array( __CLASS__, 'register_post_status' ), 4 );
-		add_action( 'getpaid_flush_rewrite_rules', array( __CLASS__, 'flush_rewrite_rules' ) );
-		add_action( 'getpaid_after_register_post_types', array( __CLASS__, 'maybe_flush_rewrite_rules' ) );
-	}
+     * Hook in methods.
+     */
+    public function __construct() {
+        add_action( 'init', array( __CLASS__, 'register_post_types' ), 1 );
+        add_action( 'init', array( __CLASS__, 'register_post_status' ), 4 );
+        add_action( 'getpaid_flush_rewrite_rules', array( __CLASS__, 'flush_rewrite_rules' ) );
+        add_action( 'getpaid_after_register_post_types', array( __CLASS__, 'maybe_flush_rewrite_rules' ) );
+    }
 
-	/**
-	 * Register core post types.
-	 */
-	public static function register_post_types() {
+    /**
+     * Register core post types.
+     */
+    public static function register_post_types() {
 
-		if ( ! is_blog_installed() || post_type_exists( 'wpi_item' ) ) {
-			return;
-		}
+        if ( ! is_blog_installed() || post_type_exists( 'wpi_item' ) ) {
+            return;
+        }
 
-		$capabilities = wpinv_current_user_can_manage_invoicing();
+        $capabilities = wpinv_current_user_can_manage_invoicing();
 
-		// Fires before registering post types.
-		do_action( 'getpaid_register_post_types' );
+        // Fires before registering post types.
+        do_action( 'getpaid_register_post_types' );
 
-		// Register item post type.
-		register_post_type(
-			'wpi_item',
-			apply_filters(
-				'wpinv_register_post_type_invoice_item',
-				array(
-					'labels'            => array(
-						'name'               => _x( 'Items', 'post type general name', 'invoicing' ),
-						'singular_name'      => _x( 'Item', 'post type singular name', 'invoicing' ),
-						'menu_name'          => _x( 'Items', 'admin menu', 'invoicing' ),
-						'name_admin_bar'     => _x( 'Item', 'add new on admin bar', 'invoicing' ),
-						'add_new'            => _x( 'Add New', 'Item', 'invoicing' ),
-						'add_new_item'       => __( 'Add New Item', 'invoicing' ),
-						'new_item'           => __( 'New Item', 'invoicing' ),
-						'edit_item'          => __( 'Edit Item', 'invoicing' ),
-						'view_item'          => __( 'View Item', 'invoicing' ),
-						'all_items'          => __( 'Items', 'invoicing' ),
-						'search_items'       => __( 'Search items', 'invoicing' ),
-						'parent_item_colon'  => __( 'Parent item:', 'invoicing' ),
-						'not_found'          => __( 'No items found.', 'invoicing' ),
-						'not_found_in_trash' => __( 'No items found in trash.', 'invoicing' ),
-					),
-					'description'       => __( 'This is where you can add new invoice items.', 'invoicing' ),
-					'public'            => false,
-					'has_archive'       => false,
-					'_builtin'          => false,
-					'show_ui'           => true,
-					'show_in_menu'      => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
-					'show_in_nav_menus' => false,
-					'supports'          => array( 'title', 'excerpt', 'thumbnail' ),
-					'rewrite'           => false,
-					'query_var'         => false,
-					'map_meta_cap'      => true,
-					'show_in_admin_bar' => true,
-					'can_export'        => true,
-				)
-			)
-		);
+        // Register item post type.
+        register_post_type(
+            'wpi_item',
+            apply_filters(
+                'wpinv_register_post_type_invoice_item',
+                array(
+                    'labels'            => array(
+                        'name'               => _x( 'Items', 'post type general name', 'invoicing' ),
+                        'singular_name'      => _x( 'Item', 'post type singular name', 'invoicing' ),
+                        'menu_name'          => _x( 'Items', 'admin menu', 'invoicing' ),
+                        'name_admin_bar'     => _x( 'Item', 'add new on admin bar', 'invoicing' ),
+                        'add_new'            => _x( 'Add New', 'Item', 'invoicing' ),
+                        'add_new_item'       => __( 'Add New Item', 'invoicing' ),
+                        'new_item'           => __( 'New Item', 'invoicing' ),
+                        'edit_item'          => __( 'Edit Item', 'invoicing' ),
+                        'view_item'          => __( 'View Item', 'invoicing' ),
+                        'all_items'          => __( 'Items', 'invoicing' ),
+                        'search_items'       => __( 'Search items', 'invoicing' ),
+                        'parent_item_colon'  => __( 'Parent item:', 'invoicing' ),
+                        'not_found'          => __( 'No items found.', 'invoicing' ),
+                        'not_found_in_trash' => __( 'No items found in trash.', 'invoicing' ),
+                    ),
+                    'description'       => __( 'This is where you can add new invoice items.', 'invoicing' ),
+                    'public'            => false,
+                    'has_archive'       => false,
+                    '_builtin'          => false,
+                    'show_ui'           => true,
+                    'show_in_menu'      => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
+                    'show_in_nav_menus' => false,
+                    'supports'          => array( 'title', 'excerpt', 'thumbnail' ),
+                    'rewrite'           => false,
+                    'query_var'         => false,
+                    'map_meta_cap'      => true,
+                    'show_in_admin_bar' => true,
+                    'can_export'        => true,
+                )
+            )
+        );
 
-		// Register payment form post type.
-		register_post_type(
-			'wpi_payment_form',
-			apply_filters(
-				'wpinv_register_post_type_payment_form',
-				array(
-					'labels'            => array(
-						'name'               => _x( 'Payment Forms', 'post type general name', 'invoicing' ),
-						'singular_name'      => _x( 'Payment Form', 'post type singular name', 'invoicing' ),
-						'menu_name'          => _x( 'Payment Forms', 'admin menu', 'invoicing' ),
-						'name_admin_bar'     => _x( 'Payment Form', 'add new on admin bar', 'invoicing' ),
-						'add_new'            => _x( 'Add New', 'Payment Form', 'invoicing' ),
-						'add_new_item'       => __( 'Add New Payment Form', 'invoicing' ),
-						'new_item'           => __( 'New Payment Form', 'invoicing' ),
-						'edit_item'          => __( 'Edit Payment Form', 'invoicing' ),
-						'view_item'          => __( 'View Payment Form', 'invoicing' ),
-						'all_items'          => __( 'Payment Forms', 'invoicing' ),
-						'search_items'       => __( 'Search Payment Forms', 'invoicing' ),
-						'parent_item_colon'  => __( 'Parent Payment Forms:', 'invoicing' ),
-						'not_found'          => __( 'No payment forms found.', 'invoicing' ),
-						'not_found_in_trash' => __( 'No payment forms found in trash.', 'invoicing' ),
-					),
-					'description'       => __( 'Add new payment forms.', 'invoicing' ),
-					'public'            => false,
-					'show_ui'           => true,
-					'show_in_menu'      => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
-					'show_in_nav_menus' => false,
-					'query_var'         => false,
-					'rewrite'           => true,
-					'map_meta_cap'      => true,
-					'has_archive'       => false,
-					'hierarchical'      => false,
-					'menu_position'     => null,
-					'supports'          => array( 'title' ),
-					'menu_icon'         => 'dashicons-media-form',
-				)
-			)
-		);
+        // Register payment form post type.
+        register_post_type(
+            'wpi_payment_form',
+            apply_filters(
+                'wpinv_register_post_type_payment_form',
+                array(
+                    'labels'            => array(
+                        'name'               => _x( 'Payment Forms', 'post type general name', 'invoicing' ),
+                        'singular_name'      => _x( 'Payment Form', 'post type singular name', 'invoicing' ),
+                        'menu_name'          => _x( 'Payment Forms', 'admin menu', 'invoicing' ),
+                        'name_admin_bar'     => _x( 'Payment Form', 'add new on admin bar', 'invoicing' ),
+                        'add_new'            => _x( 'Add New', 'Payment Form', 'invoicing' ),
+                        'add_new_item'       => __( 'Add New Payment Form', 'invoicing' ),
+                        'new_item'           => __( 'New Payment Form', 'invoicing' ),
+                        'edit_item'          => __( 'Edit Payment Form', 'invoicing' ),
+                        'view_item'          => __( 'View Payment Form', 'invoicing' ),
+                        'all_items'          => __( 'Payment Forms', 'invoicing' ),
+                        'search_items'       => __( 'Search Payment Forms', 'invoicing' ),
+                        'parent_item_colon'  => __( 'Parent Payment Forms:', 'invoicing' ),
+                        'not_found'          => __( 'No payment forms found.', 'invoicing' ),
+                        'not_found_in_trash' => __( 'No payment forms found in trash.', 'invoicing' ),
+                    ),
+                    'description'       => __( 'Add new payment forms.', 'invoicing' ),
+                    'public'            => false,
+                    'show_ui'           => true,
+                    'show_in_menu'      => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
+                    'show_in_nav_menus' => false,
+                    'query_var'         => false,
+                    'rewrite'           => true,
+                    'map_meta_cap'      => true,
+                    'has_archive'       => false,
+                    'hierarchical'      => false,
+                    'menu_position'     => null,
+                    'supports'          => array( 'title' ),
+                    'menu_icon'         => 'dashicons-media-form',
+                )
+            )
+        );
 
-		// Register invoice post type.
-		register_post_type(
-			'wpi_invoice',
-			apply_filters(
-				'wpinv_register_post_type_invoice',
-				array(
-					'labels'              => array(
-						'name'                  => __( 'Invoices', 'invoicing' ),
-						'singular_name'         => __( 'Invoice', 'invoicing' ),
-						'all_items'             => __( 'Invoices', 'invoicing' ),
-						'menu_name'             => _x( 'Invoices', 'Admin menu name', 'invoicing' ),
-						'add_new'               => __( 'Add New', 'invoicing' ),
-						'add_new_item'          => __( 'Add new invoice', 'invoicing' ),
-						'edit'                  => __( 'Edit', 'invoicing' ),
-						'edit_item'             => __( 'Edit invoice', 'invoicing' ),
-						'new_item'              => __( 'New invoice', 'invoicing' ),
-						'view_item'             => __( 'View invoice', 'invoicing' ),
-						'view_items'            => __( 'View Invoices', 'invoicing' ),
-						'search_items'          => __( 'Search invoices', 'invoicing' ),
-						'not_found'             => __( 'No invoices found', 'invoicing' ),
-						'not_found_in_trash'    => __( 'No invoices found in trash', 'invoicing' ),
-						'parent'                => __( 'Parent invoice', 'invoicing' ),
-						'featured_image'        => __( 'Invoice image', 'invoicing' ),
-						'set_featured_image'    => __( 'Set invoice image', 'invoicing' ),
-						'remove_featured_image' => __( 'Remove invoice image', 'invoicing' ),
-						'use_featured_image'    => __( 'Use as invoice image', 'invoicing' ),
-						'insert_into_item'      => __( 'Insert into invoice', 'invoicing' ),
-						'uploaded_to_this_item' => __( 'Uploaded to this invoice', 'invoicing' ),
-						'filter_items_list'     => __( 'Filter invoices', 'invoicing' ),
-						'items_list_navigation' => __( 'Invoices navigation', 'invoicing' ),
-						'items_list'            => __( 'Invoices list', 'invoicing' ),
-					),
-					'description'         => __( 'This is where invoices are stored.', 'invoicing' ),
-					'public'              => true,
-					'has_archive'         => false,
-					'publicly_queryable'  => true,
-        			'exclude_from_search' => true,
-        			'show_ui'             => true,
-					'show_in_menu'        => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
-					'show_in_nav_menus'   => false,
-					'supports'            => array( 'title', 'author', 'excerpt' ),
-					'rewrite'             => array(
-						'slug'       => 'invoice',
-						'with_front' => false,
-					),
-					'query_var'           => false,
-					'map_meta_cap'        => true,
-					'show_in_admin_bar'   => true,
-					'can_export'          => true,
-					'hierarchical'        => false,
-					'menu_position'       => null,
-					'menu_icon'           => 'dashicons-media-spreadsheet',
-				)
-			)
-		);
+        // Register invoice post type.
+        register_post_type(
+            'wpi_invoice',
+            apply_filters(
+                'wpinv_register_post_type_invoice',
+                array(
+                    'labels'              => array(
+                        'name'                  => __( 'Invoices', 'invoicing' ),
+                        'singular_name'         => __( 'Invoice', 'invoicing' ),
+                        'all_items'             => __( 'Invoices', 'invoicing' ),
+                        'menu_name'             => _x( 'Invoices', 'Admin menu name', 'invoicing' ),
+                        'add_new'               => __( 'Add New', 'invoicing' ),
+                        'add_new_item'          => __( 'Add new invoice', 'invoicing' ),
+                        'edit'                  => __( 'Edit', 'invoicing' ),
+                        'edit_item'             => __( 'Edit invoice', 'invoicing' ),
+                        'new_item'              => __( 'New invoice', 'invoicing' ),
+                        'view_item'             => __( 'View invoice', 'invoicing' ),
+                        'view_items'            => __( 'View Invoices', 'invoicing' ),
+                        'search_items'          => __( 'Search invoices', 'invoicing' ),
+                        'not_found'             => __( 'No invoices found', 'invoicing' ),
+                        'not_found_in_trash'    => __( 'No invoices found in trash', 'invoicing' ),
+                        'parent'                => __( 'Parent invoice', 'invoicing' ),
+                        'featured_image'        => __( 'Invoice image', 'invoicing' ),
+                        'set_featured_image'    => __( 'Set invoice image', 'invoicing' ),
+                        'remove_featured_image' => __( 'Remove invoice image', 'invoicing' ),
+                        'use_featured_image'    => __( 'Use as invoice image', 'invoicing' ),
+                        'insert_into_item'      => __( 'Insert into invoice', 'invoicing' ),
+                        'uploaded_to_this_item' => __( 'Uploaded to this invoice', 'invoicing' ),
+                        'filter_items_list'     => __( 'Filter invoices', 'invoicing' ),
+                        'items_list_navigation' => __( 'Invoices navigation', 'invoicing' ),
+                        'items_list'            => __( 'Invoices list', 'invoicing' ),
+                    ),
+                    'description'         => __( 'This is where invoices are stored.', 'invoicing' ),
+                    'public'              => true,
+                    'has_archive'         => false,
+                    'publicly_queryable'  => true,
+                    'exclude_from_search' => true,
+                    'show_ui'             => true,
+                    'show_in_menu'        => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
+                    'show_in_nav_menus'   => false,
+                    'supports'            => array( 'title', 'author', 'excerpt' ),
+                    'rewrite'             => array(
+                        'slug'       => 'invoice',
+                        'with_front' => false,
+                    ),
+                    'query_var'           => false,
+                    'map_meta_cap'        => true,
+                    'show_in_admin_bar'   => true,
+                    'can_export'          => true,
+                    'hierarchical'        => false,
+                    'menu_position'       => null,
+                    'menu_icon'           => 'dashicons-media-spreadsheet',
+                )
+            )
+        );
 
-		// Register discount post type.
-		register_post_type(
-			'wpi_discount',
-			apply_filters(
-				'wpinv_register_post_type_discount',
-				array(
-					'labels'              => array(
-						'name'                  => __( 'Discounts', 'invoicing' ),
-						'singular_name'         => __( 'Discount', 'invoicing' ),
-						'all_items'             => __( 'Discounts', 'invoicing' ),
-						'menu_name'             => _x( 'Discounts', 'Admin menu name', 'invoicing' ),
-						'add_new'               => __( 'Add New', 'invoicing' ),
-						'add_new_item'          => __( 'Add new discount', 'invoicing' ),
-						'edit'                  => __( 'Edit', 'invoicing' ),
-						'edit_item'             => __( 'Edit discount', 'invoicing' ),
-						'new_item'              => __( 'New discount', 'invoicing' ),
-						'view_item'             => __( 'View discount', 'invoicing' ),
-						'view_items'            => __( 'View Discounts', 'invoicing' ),
-						'search_items'          => __( 'Search discounts', 'invoicing' ),
-						'not_found'             => __( 'No discounts found', 'invoicing' ),
-						'not_found_in_trash'    => __( 'No discounts found in trash', 'invoicing' ),
-						'parent'                => __( 'Parent discount', 'invoicing' ),
-						'featured_image'        => __( 'Discount image', 'invoicing' ),
-						'set_featured_image'    => __( 'Set discount image', 'invoicing' ),
-						'remove_featured_image' => __( 'Remove discount image', 'invoicing' ),
-						'use_featured_image'    => __( 'Use as discount image', 'invoicing' ),
-						'insert_into_item'      => __( 'Insert into discount', 'invoicing' ),
-						'uploaded_to_this_item' => __( 'Uploaded to this discount', 'invoicing' ),
-						'filter_items_list'     => __( 'Filter discounts', 'invoicing' ),
-						'items_list_navigation' => __( 'Discount navigation', 'invoicing' ),
-						'items_list'            => __( 'Discounts list', 'invoicing' ),
-					),
-					'description'         => __( 'This is where you can add new discounts that users can use in invoices.', 'invoicing' ),
-					'public'              => false,
-					'can_export'          => true,
-					'_builtin'            => false,
-					'publicly_queryable'  => false,
-					'exclude_from_search' => true,
-					'show_ui'             => true,
-					'show_in_menu'        => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
-					'query_var'           => false,
-					'rewrite'             => false,
-					'map_meta_cap'        => true,
-					'has_archive'         => false,
-					'hierarchical'        => false,
-					'supports'            => array( 'title', 'excerpt' ),
-					'show_in_nav_menus'   => false,
-					'show_in_admin_bar'   => true,
-					'menu_position'       => null,
-				)
-			)
-		);
+        // Register discount post type.
+        register_post_type(
+            'wpi_discount',
+            apply_filters(
+                'wpinv_register_post_type_discount',
+                array(
+                    'labels'              => array(
+                        'name'                  => __( 'Discounts', 'invoicing' ),
+                        'singular_name'         => __( 'Discount', 'invoicing' ),
+                        'all_items'             => __( 'Discounts', 'invoicing' ),
+                        'menu_name'             => _x( 'Discounts', 'Admin menu name', 'invoicing' ),
+                        'add_new'               => __( 'Add New', 'invoicing' ),
+                        'add_new_item'          => __( 'Add new discount', 'invoicing' ),
+                        'edit'                  => __( 'Edit', 'invoicing' ),
+                        'edit_item'             => __( 'Edit discount', 'invoicing' ),
+                        'new_item'              => __( 'New discount', 'invoicing' ),
+                        'view_item'             => __( 'View discount', 'invoicing' ),
+                        'view_items'            => __( 'View Discounts', 'invoicing' ),
+                        'search_items'          => __( 'Search discounts', 'invoicing' ),
+                        'not_found'             => __( 'No discounts found', 'invoicing' ),
+                        'not_found_in_trash'    => __( 'No discounts found in trash', 'invoicing' ),
+                        'parent'                => __( 'Parent discount', 'invoicing' ),
+                        'featured_image'        => __( 'Discount image', 'invoicing' ),
+                        'set_featured_image'    => __( 'Set discount image', 'invoicing' ),
+                        'remove_featured_image' => __( 'Remove discount image', 'invoicing' ),
+                        'use_featured_image'    => __( 'Use as discount image', 'invoicing' ),
+                        'insert_into_item'      => __( 'Insert into discount', 'invoicing' ),
+                        'uploaded_to_this_item' => __( 'Uploaded to this discount', 'invoicing' ),
+                        'filter_items_list'     => __( 'Filter discounts', 'invoicing' ),
+                        'items_list_navigation' => __( 'Discount navigation', 'invoicing' ),
+                        'items_list'            => __( 'Discounts list', 'invoicing' ),
+                    ),
+                    'description'         => __( 'This is where you can add new discounts that users can use in invoices.', 'invoicing' ),
+                    'public'              => false,
+                    'can_export'          => true,
+                    '_builtin'            => false,
+                    'publicly_queryable'  => false,
+                    'exclude_from_search' => true,
+                    'show_ui'             => true,
+                    'show_in_menu'        => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
+                    'query_var'           => false,
+                    'rewrite'             => false,
+                    'map_meta_cap'        => true,
+                    'has_archive'         => false,
+                    'hierarchical'        => false,
+                    'supports'            => array( 'title', 'excerpt' ),
+                    'show_in_nav_menus'   => false,
+                    'show_in_admin_bar'   => true,
+                    'menu_position'       => null,
+                )
+            )
+        );
 
-		do_action( 'getpaid_after_register_post_types' );
-	}
+        do_action( 'getpaid_after_register_post_types' );
+    }
 
-	/**
-	 * Register our custom post statuses.
-	 */
-	public static function register_post_status() {
+    /**
+     * Register our custom post statuses.
+     */
+    public static function register_post_status() {
 
-		$invoice_statuses = apply_filters(
-			'getpaid_register_invoice_post_statuses',
-			array(
+        $invoice_statuses = apply_filters(
+            'getpaid_register_invoice_post_statuses',
+            array(
 
-				'wpi-pending'    => array(
-					'label'                     => _x( 'Pending Payment', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Pending Payment <span class="count">(%s)</span>', 'Pending Payment <span class="count">(%s)</span>', 'invoicing' ),
-				),
+                'wpi-pending'    => array(
+                    'label'                     => _x( 'Pending Payment', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Pending Payment <span class="count">(%s)</span>', 'Pending Payment <span class="count">(%s)</span>', 'invoicing' ),
+                ),
 
-				'wpi-processing' => array(
-					'label'                     => _x( 'Processing', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Processing <span class="count">(%s)</span>', 'Processing <span class="count">(%s)</span>', 'invoicing' ),
-				),
+                'wpi-processing' => array(
+                    'label'                     => _x( 'Processing', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Processing <span class="count">(%s)</span>', 'Processing <span class="count">(%s)</span>', 'invoicing' ),
+                ),
 
-				'wpi-onhold'     => array(
-					'label'                     => _x( 'On Hold', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'On Hold <span class="count">(%s)</span>', 'On Hold <span class="count">(%s)</span>', 'invoicing' ),
-				),
+                'wpi-onhold'     => array(
+                    'label'                     => _x( 'On Hold', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'On Hold <span class="count">(%s)</span>', 'On Hold <span class="count">(%s)</span>', 'invoicing' ),
+                ),
 
-				'wpi-cancelled'  => array(
-					'label'                     => _x( 'Cancelled', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Cancelled <span class="count">(%s)</span>', 'Cancelled <span class="count">(%s)</span>', 'invoicing' ),
-				),
+                'wpi-cancelled'  => array(
+                    'label'                     => _x( 'Cancelled', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Cancelled <span class="count">(%s)</span>', 'Cancelled <span class="count">(%s)</span>', 'invoicing' ),
+                ),
 
-				'wpi-refunded'   => array(
-					'label'                     => _x( 'Refunded', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Refunded <span class="count">(%s)</span>', 'Refunded <span class="count">(%s)</span>', 'invoicing' ),
-				),
+                'wpi-refunded'   => array(
+                    'label'                     => _x( 'Refunded', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Refunded <span class="count">(%s)</span>', 'Refunded <span class="count">(%s)</span>', 'invoicing' ),
+                ),
 
-				'wpi-failed'     => array(
-					'label'                     => _x( 'Failed', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Failed <span class="count">(%s)</span>', 'Failed <span class="count">(%s)</span>', 'invoicing' ),
-				),
+                'wpi-failed'     => array(
+                    'label'                     => _x( 'Failed', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Failed <span class="count">(%s)</span>', 'Failed <span class="count">(%s)</span>', 'invoicing' ),
+                ),
 
-				'wpi-renewal'    => array(
-					'label'                     => _x( 'Renewal', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Renewal <span class="count">(%s)</span>', 'Renewal <span class="count">(%s)</span>', 'invoicing' ),
-				),
-			)
-		);
+                'wpi-renewal'    => array(
+                    'label'                     => _x( 'Renewal', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Renewal <span class="count">(%s)</span>', 'Renewal <span class="count">(%s)</span>', 'invoicing' ),
+                ),
+            )
+        );
 
-		foreach ( $invoice_statuses as $invoice_statuse => $args ) {
-			register_post_status( $invoice_statuse, $args );
-		}
-	}
+        foreach ( $invoice_statuses as $invoice_statuse => $args ) {
+            register_post_status( $invoice_statuse, $args );
+        }
+    }
 
-	/**
-	 * Flush rewrite rules.
-	 */
-	public static function flush_rewrite_rules() {
-		flush_rewrite_rules();
-	}
+    /**
+     * Flush rewrite rules.
+     */
+    public static function flush_rewrite_rules() {
+        flush_rewrite_rules();
+    }
 
-	/**
-	 * Flush rules to prevent 404.
-	 *
-	 */
-	public static function maybe_flush_rewrite_rules() {
-		if ( ! get_option( 'getpaid_flushed_rewrite_rules' ) ) {
-			update_option( 'getpaid_flushed_rewrite_rules', '1' );
-			self::flush_rewrite_rules();
-		}
-	}
+    /**
+     * Flush rules to prevent 404.
+     *
+     */
+    public static function maybe_flush_rewrite_rules() {
+        if ( ! get_option( 'getpaid_flushed_rewrite_rules' ) ) {
+            update_option( 'getpaid_flushed_rewrite_rules', '1' );
+            self::flush_rewrite_rules();
+        }
+    }
 
 }

Spacing +110 added lines, -110 removed lines

@@ -6,7 +6,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Post types Class
@@ -18,10 +18,10 @@ 
 	 * Hook in methods.
 	 */
 	public function __construct() {
-		add_action( 'init', array( __CLASS__, 'register_post_types' ), 1 );
-		add_action( 'init', array( __CLASS__, 'register_post_status' ), 4 );
-		add_action( 'getpaid_flush_rewrite_rules', array( __CLASS__, 'flush_rewrite_rules' ) );
-		add_action( 'getpaid_after_register_post_types', array( __CLASS__, 'maybe_flush_rewrite_rules' ) );
+		add_action('init', array(__CLASS__, 'register_post_types'), 1);
+		add_action('init', array(__CLASS__, 'register_post_status'), 4);
+		add_action('getpaid_flush_rewrite_rules', array(__CLASS__, 'flush_rewrite_rules'));
+		add_action('getpaid_after_register_post_types', array(__CLASS__, 'maybe_flush_rewrite_rules'));
 	}
 
 	/**
@@ -29,14 +29,14 @@ 
 	 */
 	public static function register_post_types() {
 
-		if ( ! is_blog_installed() || post_type_exists( 'wpi_item' ) ) {
+		if (!is_blog_installed() || post_type_exists('wpi_item')) {
 			return;
 		}
 
 		$capabilities = wpinv_current_user_can_manage_invoicing();
 
 		// Fires before registering post types.
-		do_action( 'getpaid_register_post_types' );
+		do_action('getpaid_register_post_types');
 
 		// Register item post type.
 		register_post_type(
@@ -45,29 +45,29 @@ 
 				'wpinv_register_post_type_invoice_item',
 				array(
 					'labels'            => array(
-						'name'               => _x( 'Items', 'post type general name', 'invoicing' ),
-						'singular_name'      => _x( 'Item', 'post type singular name', 'invoicing' ),
-						'menu_name'          => _x( 'Items', 'admin menu', 'invoicing' ),
-						'name_admin_bar'     => _x( 'Item', 'add new on admin bar', 'invoicing' ),
-						'add_new'            => _x( 'Add New', 'Item', 'invoicing' ),
-						'add_new_item'       => __( 'Add New Item', 'invoicing' ),
-						'new_item'           => __( 'New Item', 'invoicing' ),
-						'edit_item'          => __( 'Edit Item', 'invoicing' ),
-						'view_item'          => __( 'View Item', 'invoicing' ),
-						'all_items'          => __( 'Items', 'invoicing' ),
-						'search_items'       => __( 'Search items', 'invoicing' ),
-						'parent_item_colon'  => __( 'Parent item:', 'invoicing' ),
-						'not_found'          => __( 'No items found.', 'invoicing' ),
-						'not_found_in_trash' => __( 'No items found in trash.', 'invoicing' ),
+						'name'               => _x('Items', 'post type general name', 'invoicing'),
+						'singular_name'      => _x('Item', 'post type singular name', 'invoicing'),
+						'menu_name'          => _x('Items', 'admin menu', 'invoicing'),
+						'name_admin_bar'     => _x('Item', 'add new on admin bar', 'invoicing'),
+						'add_new'            => _x('Add New', 'Item', 'invoicing'),
+						'add_new_item'       => __('Add New Item', 'invoicing'),
+						'new_item'           => __('New Item', 'invoicing'),
+						'edit_item'          => __('Edit Item', 'invoicing'),
+						'view_item'          => __('View Item', 'invoicing'),
+						'all_items'          => __('Items', 'invoicing'),
+						'search_items'       => __('Search items', 'invoicing'),
+						'parent_item_colon'  => __('Parent item:', 'invoicing'),
+						'not_found'          => __('No items found.', 'invoicing'),
+						'not_found_in_trash' => __('No items found in trash.', 'invoicing'),
 					),
-					'description'       => __( 'This is where you can add new invoice items.', 'invoicing' ),
+					'description'       => __('This is where you can add new invoice items.', 'invoicing'),
 					'public'            => false,
 					'has_archive'       => false,
 					'_builtin'          => false,
 					'show_ui'           => true,
 					'show_in_menu'      => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
 					'show_in_nav_menus' => false,
-					'supports'          => array( 'title', 'excerpt', 'thumbnail' ),
+					'supports'          => array('title', 'excerpt', 'thumbnail'),
 					'rewrite'           => false,
 					'query_var'         => false,
 					'map_meta_cap'      => true,
@@ -84,22 +84,22 @@ 
 				'wpinv_register_post_type_payment_form',
 				array(
 					'labels'            => array(
-						'name'               => _x( 'Payment Forms', 'post type general name', 'invoicing' ),
-						'singular_name'      => _x( 'Payment Form', 'post type singular name', 'invoicing' ),
-						'menu_name'          => _x( 'Payment Forms', 'admin menu', 'invoicing' ),
-						'name_admin_bar'     => _x( 'Payment Form', 'add new on admin bar', 'invoicing' ),
-						'add_new'            => _x( 'Add New', 'Payment Form', 'invoicing' ),
-						'add_new_item'       => __( 'Add New Payment Form', 'invoicing' ),
-						'new_item'           => __( 'New Payment Form', 'invoicing' ),
-						'edit_item'          => __( 'Edit Payment Form', 'invoicing' ),
-						'view_item'          => __( 'View Payment Form', 'invoicing' ),
-						'all_items'          => __( 'Payment Forms', 'invoicing' ),
-						'search_items'       => __( 'Search Payment Forms', 'invoicing' ),
-						'parent_item_colon'  => __( 'Parent Payment Forms:', 'invoicing' ),
-						'not_found'          => __( 'No payment forms found.', 'invoicing' ),
-						'not_found_in_trash' => __( 'No payment forms found in trash.', 'invoicing' ),
+						'name'               => _x('Payment Forms', 'post type general name', 'invoicing'),
+						'singular_name'      => _x('Payment Form', 'post type singular name', 'invoicing'),
+						'menu_name'          => _x('Payment Forms', 'admin menu', 'invoicing'),
+						'name_admin_bar'     => _x('Payment Form', 'add new on admin bar', 'invoicing'),
+						'add_new'            => _x('Add New', 'Payment Form', 'invoicing'),
+						'add_new_item'       => __('Add New Payment Form', 'invoicing'),
+						'new_item'           => __('New Payment Form', 'invoicing'),
+						'edit_item'          => __('Edit Payment Form', 'invoicing'),
+						'view_item'          => __('View Payment Form', 'invoicing'),
+						'all_items'          => __('Payment Forms', 'invoicing'),
+						'search_items'       => __('Search Payment Forms', 'invoicing'),
+						'parent_item_colon'  => __('Parent Payment Forms:', 'invoicing'),
+						'not_found'          => __('No payment forms found.', 'invoicing'),
+						'not_found_in_trash' => __('No payment forms found in trash.', 'invoicing'),
 					),
-					'description'       => __( 'Add new payment forms.', 'invoicing' ),
+					'description'       => __('Add new payment forms.', 'invoicing'),
 					'public'            => false,
 					'show_ui'           => true,
 					'show_in_menu'      => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
@@ -110,7 +110,7 @@ 
 					'has_archive'       => false,
 					'hierarchical'      => false,
 					'menu_position'     => null,
-					'supports'          => array( 'title' ),
+					'supports'          => array('title'),
 					'menu_icon'         => 'dashicons-media-form',
 				)
 			)
@@ -123,32 +123,32 @@ 
 				'wpinv_register_post_type_invoice',
 				array(
 					'labels'              => array(
-						'name'                  => __( 'Invoices', 'invoicing' ),
-						'singular_name'         => __( 'Invoice', 'invoicing' ),
-						'all_items'             => __( 'Invoices', 'invoicing' ),
-						'menu_name'             => _x( 'Invoices', 'Admin menu name', 'invoicing' ),
-						'add_new'               => __( 'Add New', 'invoicing' ),
-						'add_new_item'          => __( 'Add new invoice', 'invoicing' ),
-						'edit'                  => __( 'Edit', 'invoicing' ),
-						'edit_item'             => __( 'Edit invoice', 'invoicing' ),
-						'new_item'              => __( 'New invoice', 'invoicing' ),
-						'view_item'             => __( 'View invoice', 'invoicing' ),
-						'view_items'            => __( 'View Invoices', 'invoicing' ),
-						'search_items'          => __( 'Search invoices', 'invoicing' ),
-						'not_found'             => __( 'No invoices found', 'invoicing' ),
-						'not_found_in_trash'    => __( 'No invoices found in trash', 'invoicing' ),
-						'parent'                => __( 'Parent invoice', 'invoicing' ),
-						'featured_image'        => __( 'Invoice image', 'invoicing' ),
-						'set_featured_image'    => __( 'Set invoice image', 'invoicing' ),
-						'remove_featured_image' => __( 'Remove invoice image', 'invoicing' ),
-						'use_featured_image'    => __( 'Use as invoice image', 'invoicing' ),
-						'insert_into_item'      => __( 'Insert into invoice', 'invoicing' ),
-						'uploaded_to_this_item' => __( 'Uploaded to this invoice', 'invoicing' ),
-						'filter_items_list'     => __( 'Filter invoices', 'invoicing' ),
-						'items_list_navigation' => __( 'Invoices navigation', 'invoicing' ),
-						'items_list'            => __( 'Invoices list', 'invoicing' ),
+						'name'                  => __('Invoices', 'invoicing'),
+						'singular_name'         => __('Invoice', 'invoicing'),
+						'all_items'             => __('Invoices', 'invoicing'),
+						'menu_name'             => _x('Invoices', 'Admin menu name', 'invoicing'),
+						'add_new'               => __('Add New', 'invoicing'),
+						'add_new_item'          => __('Add new invoice', 'invoicing'),
+						'edit'                  => __('Edit', 'invoicing'),
+						'edit_item'             => __('Edit invoice', 'invoicing'),
+						'new_item'              => __('New invoice', 'invoicing'),
+						'view_item'             => __('View invoice', 'invoicing'),
+						'view_items'            => __('View Invoices', 'invoicing'),
+						'search_items'          => __('Search invoices', 'invoicing'),
+						'not_found'             => __('No invoices found', 'invoicing'),
+						'not_found_in_trash'    => __('No invoices found in trash', 'invoicing'),
+						'parent'                => __('Parent invoice', 'invoicing'),
+						'featured_image'        => __('Invoice image', 'invoicing'),
+						'set_featured_image'    => __('Set invoice image', 'invoicing'),
+						'remove_featured_image' => __('Remove invoice image', 'invoicing'),
+						'use_featured_image'    => __('Use as invoice image', 'invoicing'),
+						'insert_into_item'      => __('Insert into invoice', 'invoicing'),
+						'uploaded_to_this_item' => __('Uploaded to this invoice', 'invoicing'),
+						'filter_items_list'     => __('Filter invoices', 'invoicing'),
+						'items_list_navigation' => __('Invoices navigation', 'invoicing'),
+						'items_list'            => __('Invoices list', 'invoicing'),
 					),
-					'description'         => __( 'This is where invoices are stored.', 'invoicing' ),
+					'description'         => __('This is where invoices are stored.', 'invoicing'),
 					'public'              => true,
 					'has_archive'         => false,
 					'publicly_queryable'  => true,
@@ -156,7 +156,7 @@ 
         			'show_ui'             => true,
 					'show_in_menu'        => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
 					'show_in_nav_menus'   => false,
-					'supports'            => array( 'title', 'author', 'excerpt' ),
+					'supports'            => array('title', 'author', 'excerpt'),
 					'rewrite'             => array(
 						'slug'       => 'invoice',
 						'with_front' => false,
@@ -179,32 +179,32 @@ 
 				'wpinv_register_post_type_discount',
 				array(
 					'labels'              => array(
-						'name'                  => __( 'Discounts', 'invoicing' ),
-						'singular_name'         => __( 'Discount', 'invoicing' ),
-						'all_items'             => __( 'Discounts', 'invoicing' ),
-						'menu_name'             => _x( 'Discounts', 'Admin menu name', 'invoicing' ),
-						'add_new'               => __( 'Add New', 'invoicing' ),
-						'add_new_item'          => __( 'Add new discount', 'invoicing' ),
-						'edit'                  => __( 'Edit', 'invoicing' ),
-						'edit_item'             => __( 'Edit discount', 'invoicing' ),
-						'new_item'              => __( 'New discount', 'invoicing' ),
-						'view_item'             => __( 'View discount', 'invoicing' ),
-						'view_items'            => __( 'View Discounts', 'invoicing' ),
-						'search_items'          => __( 'Search discounts', 'invoicing' ),
-						'not_found'             => __( 'No discounts found', 'invoicing' ),
-						'not_found_in_trash'    => __( 'No discounts found in trash', 'invoicing' ),
-						'parent'                => __( 'Parent discount', 'invoicing' ),
-						'featured_image'        => __( 'Discount image', 'invoicing' ),
-						'set_featured_image'    => __( 'Set discount image', 'invoicing' ),
-						'remove_featured_image' => __( 'Remove discount image', 'invoicing' ),
-						'use_featured_image'    => __( 'Use as discount image', 'invoicing' ),
-						'insert_into_item'      => __( 'Insert into discount', 'invoicing' ),
-						'uploaded_to_this_item' => __( 'Uploaded to this discount', 'invoicing' ),
-						'filter_items_list'     => __( 'Filter discounts', 'invoicing' ),
-						'items_list_navigation' => __( 'Discount navigation', 'invoicing' ),
-						'items_list'            => __( 'Discounts list', 'invoicing' ),
+						'name'                  => __('Discounts', 'invoicing'),
+						'singular_name'         => __('Discount', 'invoicing'),
+						'all_items'             => __('Discounts', 'invoicing'),
+						'menu_name'             => _x('Discounts', 'Admin menu name', 'invoicing'),
+						'add_new'               => __('Add New', 'invoicing'),
+						'add_new_item'          => __('Add new discount', 'invoicing'),
+						'edit'                  => __('Edit', 'invoicing'),
+						'edit_item'             => __('Edit discount', 'invoicing'),
+						'new_item'              => __('New discount', 'invoicing'),
+						'view_item'             => __('View discount', 'invoicing'),
+						'view_items'            => __('View Discounts', 'invoicing'),
+						'search_items'          => __('Search discounts', 'invoicing'),
+						'not_found'             => __('No discounts found', 'invoicing'),
+						'not_found_in_trash'    => __('No discounts found in trash', 'invoicing'),
+						'parent'                => __('Parent discount', 'invoicing'),
+						'featured_image'        => __('Discount image', 'invoicing'),
+						'set_featured_image'    => __('Set discount image', 'invoicing'),
+						'remove_featured_image' => __('Remove discount image', 'invoicing'),
+						'use_featured_image'    => __('Use as discount image', 'invoicing'),
+						'insert_into_item'      => __('Insert into discount', 'invoicing'),
+						'uploaded_to_this_item' => __('Uploaded to this discount', 'invoicing'),
+						'filter_items_list'     => __('Filter discounts', 'invoicing'),
+						'items_list_navigation' => __('Discount navigation', 'invoicing'),
+						'items_list'            => __('Discounts list', 'invoicing'),
 					),
-					'description'         => __( 'This is where you can add new discounts that users can use in invoices.', 'invoicing' ),
+					'description'         => __('This is where you can add new discounts that users can use in invoices.', 'invoicing'),
 					'public'              => false,
 					'can_export'          => true,
 					'_builtin'            => false,
@@ -217,7 +217,7 @@ 
 					'map_meta_cap'        => true,
 					'has_archive'         => false,
 					'hierarchical'        => false,
-					'supports'            => array( 'title', 'excerpt' ),
+					'supports'            => array('title', 'excerpt'),
 					'show_in_nav_menus'   => false,
 					'show_in_admin_bar'   => true,
 					'menu_position'       => null,
@@ -225,7 +225,7 @@ 
 			)
 		);
 
-		do_action( 'getpaid_after_register_post_types' );
+		do_action('getpaid_after_register_post_types');
 	}
 
 	/**
@@ -238,79 +238,79 @@ 
 			array(
 
 				'wpi-pending'    => array(
-					'label'                     => _x( 'Pending Payment', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Pending Payment', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Pending Payment <span class="count">(%s)</span>', 'Pending Payment <span class="count">(%s)</span>', 'invoicing' ),
+        			'label_count'               => _n_noop('Pending Payment <span class="count">(%s)</span>', 'Pending Payment <span class="count">(%s)</span>', 'invoicing'),
 				),
 
 				'wpi-processing' => array(
-					'label'                     => _x( 'Processing', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Processing', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Processing <span class="count">(%s)</span>', 'Processing <span class="count">(%s)</span>', 'invoicing' ),
+        			'label_count'               => _n_noop('Processing <span class="count">(%s)</span>', 'Processing <span class="count">(%s)</span>', 'invoicing'),
 				),
 
 				'wpi-onhold'     => array(
-					'label'                     => _x( 'On Hold', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('On Hold', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'On Hold <span class="count">(%s)</span>', 'On Hold <span class="count">(%s)</span>', 'invoicing' ),
+        			'label_count'               => _n_noop('On Hold <span class="count">(%s)</span>', 'On Hold <span class="count">(%s)</span>', 'invoicing'),
 				),
 
 				'wpi-cancelled'  => array(
-					'label'                     => _x( 'Cancelled', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Cancelled', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Cancelled <span class="count">(%s)</span>', 'Cancelled <span class="count">(%s)</span>', 'invoicing' ),
+        			'label_count'               => _n_noop('Cancelled <span class="count">(%s)</span>', 'Cancelled <span class="count">(%s)</span>', 'invoicing'),
 				),
 
 				'wpi-refunded'   => array(
-					'label'                     => _x( 'Refunded', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Refunded', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Refunded <span class="count">(%s)</span>', 'Refunded <span class="count">(%s)</span>', 'invoicing' ),
+        			'label_count'               => _n_noop('Refunded <span class="count">(%s)</span>', 'Refunded <span class="count">(%s)</span>', 'invoicing'),
 				),
 
 				'wpi-failed'     => array(
-					'label'                     => _x( 'Failed', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Failed', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Failed <span class="count">(%s)</span>', 'Failed <span class="count">(%s)</span>', 'invoicing' ),
+        			'label_count'               => _n_noop('Failed <span class="count">(%s)</span>', 'Failed <span class="count">(%s)</span>', 'invoicing'),
 				),
 
 				'wpi-renewal'    => array(
-					'label'                     => _x( 'Renewal', 'Invoice status', 'invoicing' ),
+					'label'                     => _x('Renewal', 'Invoice status', 'invoicing'),
         			'public'                    => true,
         			'exclude_from_search'       => true,
         			'show_in_admin_all_list'    => true,
 					'show_in_admin_status_list' => true,
 					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Renewal <span class="count">(%s)</span>', 'Renewal <span class="count">(%s)</span>', 'invoicing' ),
+        			'label_count'               => _n_noop('Renewal <span class="count">(%s)</span>', 'Renewal <span class="count">(%s)</span>', 'invoicing'),
 				),
 			)
 		);
 
-		foreach ( $invoice_statuses as $invoice_statuse => $args ) {
-			register_post_status( $invoice_statuse, $args );
+		foreach ($invoice_statuses as $invoice_statuse => $args) {
+			register_post_status($invoice_statuse, $args);
 		}
 	}
 
@@ -326,8 +326,8 @@ 
 	 *
 	 */
 	public static function maybe_flush_rewrite_rules() {
-		if ( ! get_option( 'getpaid_flushed_rewrite_rules' ) ) {
-			update_option( 'getpaid_flushed_rewrite_rules', '1' );
+		if (!get_option('getpaid_flushed_rewrite_rules')) {
+			update_option('getpaid_flushed_rewrite_rules', '1');
 			self::flush_rewrite_rules();
 		}
 	}

includes/data-stores/class-getpaid-payment-form-data-store.php

Indentation +169 added lines, -169 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -14,179 +14,179 @@ 
  */
 class GetPaid_Payment_Form_Data_Store extends GetPaid_Data_Store_WP {
 
-	/**
-	 * Data stored in meta keys, but not considered "meta" for a form.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $internal_meta_keys = array(
-		'wpinv_form_elements',
-		'wpinv_form_items',
-		'wpinv_form_earned',
-		'wpinv_form_refunded',
-		'wpinv_form_cancelled',
-		'wpinv_form_failed',
-	);
-
-	/**
-	 * A map of meta keys to data props.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $meta_key_to_props = array(
-		'wpinv_form_elements'  => 'elements',
-		'wpinv_form_items'     => 'items',
-		'wpinv_form_earned'    => 'earned',
-		'wpinv_form_refunded'  => 'refunded',
-		'wpinv_form_cancelled' => 'cancelled',
-		'wpinv_form_failed'    => 'failed',
-	);
-
-	/*
+    /**
+     * Data stored in meta keys, but not considered "meta" for a form.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $internal_meta_keys = array(
+        'wpinv_form_elements',
+        'wpinv_form_items',
+        'wpinv_form_earned',
+        'wpinv_form_refunded',
+        'wpinv_form_cancelled',
+        'wpinv_form_failed',
+    );
+
+    /**
+     * A map of meta keys to data props.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $meta_key_to_props = array(
+        'wpinv_form_elements'  => 'elements',
+        'wpinv_form_items'     => 'items',
+        'wpinv_form_earned'    => 'earned',
+        'wpinv_form_refunded'  => 'refunded',
+        'wpinv_form_cancelled' => 'cancelled',
+        'wpinv_form_failed'    => 'failed',
+    );
+
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Method to create a new form in the database.
-	 *
-	 * @param GetPaid_Payment_Form $form Form object.
-	 */
-	public function create( &$form ) {
-		$form->set_version( WPINV_VERSION );
-		$form->set_date_created( current_time( 'mysql' ) );
-
-		// Create a new post.
-		$id = wp_insert_post(
-			apply_filters(
-				'getpaid_new_payment_form_data',
-				array(
-					'post_date'   => $form->get_date_created( 'edit' ),
-					'post_type'   => 'wpi_payment_form',
-					'post_status' => $this->get_post_status( $form ),
-					'ping_status' => 'closed',
-					'post_author' => $form->get_author( 'edit' ),
-					'post_title'  => $form->get_name( 'edit' ),
-				)
-			),
-			true
-		);
-
-		if ( $id && ! is_wp_error( $id ) ) {
-			$form->set_id( $id );
-			$this->update_post_meta( $form );
-			$form->save_meta_data();
-			$form->apply_changes();
-			$this->clear_caches( $form );
-			do_action( 'getpaid_create_payment_form', $form );
-			return true;
-		}
-
-		if ( is_wp_error( $id ) ) {
-			$form->last_error = $id->get_error_message();
-		}
-
-		return false;
-	}
-
-	/**
-	 * Method to read a form from the database.
-	 *
-	 * @param GetPaid_Payment_Form $form Form object.
-	 *
-	 */
-	public function read( &$form ) {
-
-		$form->set_defaults();
-		$form_object = get_post( $form->get_id() );
-
-		if ( ! $form->get_id() || ! $form_object || $form_object->post_type != 'wpi_payment_form' ) {
-			$form->last_error = __( 'Invalid form.', 'invoicing' );
-			$form->set_id( 0 );
-			return false;
-		}
-
-		$form->set_props(
-			array(
-				'date_created'  => 0 < $form_object->post_date ? $form_object->post_date : null,
-				'date_modified' => 0 < $form_object->post_modified ? $form_object->post_modified : null,
-				'status'        => $form_object->post_status,
-				'name'          => $form_object->post_title,
-				'author'        => $form_object->post_author,
-			)
-		);
-
-		$this->read_object_data( $form, $form_object );
-		$form->read_meta_data();
-		$form->set_object_read( true );
-		do_action( 'getpaid_read_payment_form', $form );
-
-	}
-
-	/**
-	 * Method to update a form in the database.
-	 *
-	 * @param GetPaid_Payment_Form $form Form object.
-	 */
-	public function update( &$form ) {
-		$form->save_meta_data();
-		$form->set_version( WPINV_VERSION );
-
-		if ( null === $form->get_date_created( 'edit' ) ) {
-			$form->set_date_created( current_time( 'mysql' ) );
-		}
-
-		// Grab the current status so we can compare.
-		$previous_status = get_post_status( $form->get_id() );
-
-		$changes = $form->get_changes();
-
-		// Only update the post when the post data changes.
-		if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'name', 'author' ), array_keys( $changes ) ) ) {
-			$post_data = array(
-				'post_date'     => $form->get_date_created( 'edit' ),
-				'post_status'   => $form->get_status( 'edit' ),
-				'post_title'    => $form->get_name( 'edit' ),
-				'post_author'   => $form->get_author( 'edit' ),
-				'post_modified' => $form->get_date_modified( 'edit' ),
-			);
-
-			/**
-			 * When updating this object, to prevent infinite loops, use $wpdb
-			 * to update data, since wp_update_post spawns more calls to the
-			 * save_post action.
-			 *
-			 * This ensures hooks are fired by either WP itself (admin screen save),
-			 * or an update purely from CRUD.
-			 */
-			if ( doing_action( 'save_post' ) ) {
-				$GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $form->get_id() ) );
-				clean_post_cache( $form->get_id() );
-			} else {
-				wp_update_post( array_merge( array( 'ID' => $form->get_id() ), $post_data ) );
-			}
-			$form->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
-		}
-		$this->update_post_meta( $form );
-		$form->apply_changes();
-		$this->clear_caches( $form );
-
-		// Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
-		$new_status = $form->get_status( 'edit' );
-
-		if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
-			do_action( 'getpaid_new_payment_form', $form );
-		} else {
-			do_action( 'getpaid_update_payment_form', $form );
-		}
-
-	}
-
-	/*
+    /**
+     * Method to create a new form in the database.
+     *
+     * @param GetPaid_Payment_Form $form Form object.
+     */
+    public function create( &$form ) {
+        $form->set_version( WPINV_VERSION );
+        $form->set_date_created( current_time( 'mysql' ) );
+
+        // Create a new post.
+        $id = wp_insert_post(
+            apply_filters(
+                'getpaid_new_payment_form_data',
+                array(
+                    'post_date'   => $form->get_date_created( 'edit' ),
+                    'post_type'   => 'wpi_payment_form',
+                    'post_status' => $this->get_post_status( $form ),
+                    'ping_status' => 'closed',
+                    'post_author' => $form->get_author( 'edit' ),
+                    'post_title'  => $form->get_name( 'edit' ),
+                )
+            ),
+            true
+        );
+
+        if ( $id && ! is_wp_error( $id ) ) {
+            $form->set_id( $id );
+            $this->update_post_meta( $form );
+            $form->save_meta_data();
+            $form->apply_changes();
+            $this->clear_caches( $form );
+            do_action( 'getpaid_create_payment_form', $form );
+            return true;
+        }
+
+        if ( is_wp_error( $id ) ) {
+            $form->last_error = $id->get_error_message();
+        }
+
+        return false;
+    }
+
+    /**
+     * Method to read a form from the database.
+     *
+     * @param GetPaid_Payment_Form $form Form object.
+     *
+     */
+    public function read( &$form ) {
+
+        $form->set_defaults();
+        $form_object = get_post( $form->get_id() );
+
+        if ( ! $form->get_id() || ! $form_object || $form_object->post_type != 'wpi_payment_form' ) {
+            $form->last_error = __( 'Invalid form.', 'invoicing' );
+            $form->set_id( 0 );
+            return false;
+        }
+
+        $form->set_props(
+            array(
+                'date_created'  => 0 < $form_object->post_date ? $form_object->post_date : null,
+                'date_modified' => 0 < $form_object->post_modified ? $form_object->post_modified : null,
+                'status'        => $form_object->post_status,
+                'name'          => $form_object->post_title,
+                'author'        => $form_object->post_author,
+            )
+        );
+
+        $this->read_object_data( $form, $form_object );
+        $form->read_meta_data();
+        $form->set_object_read( true );
+        do_action( 'getpaid_read_payment_form', $form );
+
+    }
+
+    /**
+     * Method to update a form in the database.
+     *
+     * @param GetPaid_Payment_Form $form Form object.
+     */
+    public function update( &$form ) {
+        $form->save_meta_data();
+        $form->set_version( WPINV_VERSION );
+
+        if ( null === $form->get_date_created( 'edit' ) ) {
+            $form->set_date_created( current_time( 'mysql' ) );
+        }
+
+        // Grab the current status so we can compare.
+        $previous_status = get_post_status( $form->get_id() );
+
+        $changes = $form->get_changes();
+
+        // Only update the post when the post data changes.
+        if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'name', 'author' ), array_keys( $changes ) ) ) {
+            $post_data = array(
+                'post_date'     => $form->get_date_created( 'edit' ),
+                'post_status'   => $form->get_status( 'edit' ),
+                'post_title'    => $form->get_name( 'edit' ),
+                'post_author'   => $form->get_author( 'edit' ),
+                'post_modified' => $form->get_date_modified( 'edit' ),
+            );
+
+            /**
+             * When updating this object, to prevent infinite loops, use $wpdb
+             * to update data, since wp_update_post spawns more calls to the
+             * save_post action.
+             *
+             * This ensures hooks are fired by either WP itself (admin screen save),
+             * or an update purely from CRUD.
+             */
+            if ( doing_action( 'save_post' ) ) {
+                $GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $form->get_id() ) );
+                clean_post_cache( $form->get_id() );
+            } else {
+                wp_update_post( array_merge( array( 'ID' => $form->get_id() ), $post_data ) );
+            }
+            $form->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
+        }
+        $this->update_post_meta( $form );
+        $form->apply_changes();
+        $this->clear_caches( $form );
+
+        // Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
+        $new_status = $form->get_status( 'edit' );
+
+        if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
+            do_action( 'getpaid_new_payment_form', $form );
+        } else {
+            do_action( 'getpaid_update_payment_form', $form );
+        }
+
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Additional Methods
 	|--------------------------------------------------------------------------

Spacing +44 added lines, -44 removed lines

@@ -3,7 +3,7 @@ 
  * GetPaid_Payment_Form_Data_Store class file.
  *
  */
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -56,37 +56,37 @@ 
 	 *
 	 * @param GetPaid_Payment_Form $form Form object.
 	 */
-	public function create( &$form ) {
-		$form->set_version( WPINV_VERSION );
-		$form->set_date_created( current_time( 'mysql' ) );
+	public function create(&$form) {
+		$form->set_version(WPINV_VERSION);
+		$form->set_date_created(current_time('mysql'));
 
 		// Create a new post.
 		$id = wp_insert_post(
 			apply_filters(
 				'getpaid_new_payment_form_data',
 				array(
-					'post_date'   => $form->get_date_created( 'edit' ),
+					'post_date'   => $form->get_date_created('edit'),
 					'post_type'   => 'wpi_payment_form',
-					'post_status' => $this->get_post_status( $form ),
+					'post_status' => $this->get_post_status($form),
 					'ping_status' => 'closed',
-					'post_author' => $form->get_author( 'edit' ),
-					'post_title'  => $form->get_name( 'edit' ),
+					'post_author' => $form->get_author('edit'),
+					'post_title'  => $form->get_name('edit'),
 				)
 			),
 			true
 		);
 
-		if ( $id && ! is_wp_error( $id ) ) {
-			$form->set_id( $id );
-			$this->update_post_meta( $form );
+		if ($id && !is_wp_error($id)) {
+			$form->set_id($id);
+			$this->update_post_meta($form);
 			$form->save_meta_data();
 			$form->apply_changes();
-			$this->clear_caches( $form );
-			do_action( 'getpaid_create_payment_form', $form );
+			$this->clear_caches($form);
+			do_action('getpaid_create_payment_form', $form);
 			return true;
 		}
 
-		if ( is_wp_error( $id ) ) {
+		if (is_wp_error($id)) {
 			$form->last_error = $id->get_error_message();
 		}
 
@@ -99,14 +99,14 @@ 
 	 * @param GetPaid_Payment_Form $form Form object.
 	 *
 	 */
-	public function read( &$form ) {
+	public function read(&$form) {
 
 		$form->set_defaults();
-		$form_object = get_post( $form->get_id() );
+		$form_object = get_post($form->get_id());
 
-		if ( ! $form->get_id() || ! $form_object || $form_object->post_type != 'wpi_payment_form' ) {
-			$form->last_error = __( 'Invalid form.', 'invoicing' );
-			$form->set_id( 0 );
+		if (!$form->get_id() || !$form_object || $form_object->post_type != 'wpi_payment_form') {
+			$form->last_error = __('Invalid form.', 'invoicing');
+			$form->set_id(0);
 			return false;
 		}
 
@@ -120,10 +120,10 @@ 
 			)
 		);
 
-		$this->read_object_data( $form, $form_object );
+		$this->read_object_data($form, $form_object);
 		$form->read_meta_data();
-		$form->set_object_read( true );
-		do_action( 'getpaid_read_payment_form', $form );
+		$form->set_object_read(true);
+		do_action('getpaid_read_payment_form', $form);
 
 	}
 
@@ -132,27 +132,27 @@ 
 	 *
 	 * @param GetPaid_Payment_Form $form Form object.
 	 */
-	public function update( &$form ) {
+	public function update(&$form) {
 		$form->save_meta_data();
-		$form->set_version( WPINV_VERSION );
+		$form->set_version(WPINV_VERSION);
 
-		if ( null === $form->get_date_created( 'edit' ) ) {
-			$form->set_date_created( current_time( 'mysql' ) );
+		if (null === $form->get_date_created('edit')) {
+			$form->set_date_created(current_time('mysql'));
 		}
 
 		// Grab the current status so we can compare.
-		$previous_status = get_post_status( $form->get_id() );
+		$previous_status = get_post_status($form->get_id());
 
 		$changes = $form->get_changes();
 
 		// Only update the post when the post data changes.
-		if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'name', 'author' ), array_keys( $changes ) ) ) {
+		if (array_intersect(array('date_created', 'date_modified', 'status', 'name', 'author'), array_keys($changes))) {
 			$post_data = array(
-				'post_date'     => $form->get_date_created( 'edit' ),
-				'post_status'   => $form->get_status( 'edit' ),
-				'post_title'    => $form->get_name( 'edit' ),
-				'post_author'   => $form->get_author( 'edit' ),
-				'post_modified' => $form->get_date_modified( 'edit' ),
+				'post_date'     => $form->get_date_created('edit'),
+				'post_status'   => $form->get_status('edit'),
+				'post_title'    => $form->get_name('edit'),
+				'post_author'   => $form->get_author('edit'),
+				'post_modified' => $form->get_date_modified('edit'),
 			);
 
 			/**
@@ -163,25 +163,25 @@ 
 			 * This ensures hooks are fired by either WP itself (admin screen save),
 			 * or an update purely from CRUD.
 			 */
-			if ( doing_action( 'save_post' ) ) {
-				$GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $form->get_id() ) );
-				clean_post_cache( $form->get_id() );
+			if (doing_action('save_post')) {
+				$GLOBALS['wpdb']->update($GLOBALS['wpdb']->posts, $post_data, array('ID' => $form->get_id()));
+				clean_post_cache($form->get_id());
 			} else {
-				wp_update_post( array_merge( array( 'ID' => $form->get_id() ), $post_data ) );
+				wp_update_post(array_merge(array('ID' => $form->get_id()), $post_data));
 			}
-			$form->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
+			$form->read_meta_data(true); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
 		}
-		$this->update_post_meta( $form );
+		$this->update_post_meta($form);
 		$form->apply_changes();
-		$this->clear_caches( $form );
+		$this->clear_caches($form);
 
 		// Fire a hook depending on the status - this should be considered a creation if it was previously draft status.
-		$new_status = $form->get_status( 'edit' );
+		$new_status = $form->get_status('edit');
 
-		if ( $new_status !== $previous_status && in_array( $previous_status, array( 'new', 'auto-draft', 'draft' ), true ) ) {
-			do_action( 'getpaid_new_payment_form', $form );
+		if ($new_status !== $previous_status && in_array($previous_status, array('new', 'auto-draft', 'draft'), true)) {
+			do_action('getpaid_new_payment_form', $form);
 		} else {
-			do_action( 'getpaid_update_payment_form', $form );
+			do_action('getpaid_update_payment_form', $form);
 		}
 
 	}

includes/data-stores/class-getpaid-data.php

Indentation +857 added lines, -857 removed lines

@@ -9,7 +9,7 @@ 
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -21,356 +21,356 @@ 
  */
 abstract class GetPaid_Data {
 
-	/**
-	 * ID for this object.
-	 *
-	 * @since 1.0.19
-	 * @var int
-	 */
-	protected $id = 0;
-
-	/**
-	 * Core data for this object. Name value pairs (name + default value).
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $data = array();
-
-	/**
-	 * Core data changes for this object.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $changes = array();
-
-	/**
-	 * This is false until the object is read from the DB.
-	 *
-	 * @since 1.0.19
-	 * @var bool
-	 */
-	protected $object_read = false;
-
-	/**
-	 * This is the name of this object type.
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	protected $object_type = 'data';
-
-	/**
-	 * Extra data for this object. Name value pairs (name + default value).
-	 * Used as a standard way for sub classes (like item types) to add
-	 * additional information to an inherited class.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $extra_data = array();
-
-	/**
-	 * Set to _data on construct so we can track and reset data if needed.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $default_data = array();
-
-	/**
-	 * Contains a reference to the data store for this class.
-	 *
-	 * @since 1.0.19
-	 * @var GetPaid_Data_Store
-	 */
-	protected $data_store;
-
-	/**
-	 * Stores meta in cache for future reads.
-	 * A group must be set to to enable caching.
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	protected $cache_group = '';
-
-	/**
-	 * Stores the last error.
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	public $last_error = '';
-
-	/**
-	 * Stores additional meta data.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $meta_data = null;
-
-	/**
-	 * Default constructor.
-	 *
-	 * @param int|object|array|string $read ID to load from the DB (optional) or already queried data.
-	 */
-	public function __construct( $read = 0 ) {
-		$this->data         = array_merge( $this->data, $this->extra_data );
-		$this->default_data = $this->data;
-	}
-
-	/**
-	 * Only store the object ID to avoid serializing the data object instance.
-	 *
-	 * @return array
-	 */
-	public function __sleep() {
-		return array( 'id' );
-	}
-
-	/**
-	 * Re-run the constructor with the object ID.
-	 *
-	 * If the object no longer exists, remove the ID.
-	 */
-	public function __wakeup() {
-		$this->__construct( absint( $this->id ) );
-
-		if ( ! empty( $this->last_error ) ) {
-			$this->set_id( 0 );
-		}
-
-	}
-
-	/**
-	 * When the object is cloned, make sure meta is duplicated correctly.
-	 *
-	 * @since 1.0.19
-	 */
-	public function __clone() {
-		$this->maybe_read_meta_data();
-		if ( ! empty( $this->meta_data ) ) {
-			foreach ( $this->meta_data as $array_key => $meta ) {
-				$this->meta_data[ $array_key ] = clone $meta;
-				if ( ! empty( $meta->id ) ) {
-					$this->meta_data[ $array_key ]->id = null;
-				}
-			}
-		}
-	}
-
-	/**
-	 * Get the data store.
-	 *
-	 * @since  1.0.19
-	 * @return object
-	 */
-	public function get_data_store() {
-		return $this->data_store;
-	}
-
-	/**
-	 * Get the object type.
-	 *
-	 * @since  1.0.19
-	 * @return string
-	 */
-	public function get_object_type() {
-		return $this->object_type;
-	}
-
-	/**
-	 * Returns the unique ID for this object.
-	 *
-	 * @since  1.0.19
-	 * @return int
-	 */
-	public function get_id() {
-		return $this->id;
-	}
-
-	/**
-	 * Get form status.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
-    }
-
-	/**
-	 * Delete an object, set the ID to 0, and return result.
-	 *
-	 * @since  1.0.19
-	 * @param  bool $force_delete Should the data be deleted permanently.
-	 * @return bool result
-	 */
-	public function delete( $force_delete = false ) {
-		if ( $this->data_store && $this->exists() ) {
-			$this->data_store->delete( $this, array( 'force_delete' => $force_delete ) );
-			$this->set_id( 0 );
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Save should create or update based on object existence.
-	 *
-	 * @since  1.0.19
-	 * @return int
-	 */
-	public function save() {
-		if ( ! $this->data_store ) {
-			return $this->get_id();
-		}
-
-		/**
-		 * Trigger action before saving to the DB. Allows you to adjust object props before save.
-		 *
-		 * @param GetPaid_Data          $this The object being saved.
-		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
-		 */
-		do_action( 'getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store );
-
-		if ( $this->get_id() ) {
-			$this->data_store->update( $this );
-		} else {
-			$this->data_store->create( $this );
-		}
-
-		/**
-		 * Trigger action after saving to the DB.
-		 *
-		 * @param GetPaid_Data          $this The object being saved.
-		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
-		 */
-		do_action( 'getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store );
-
-		return $this->get_id();
-	}
-
-	/**
-	 * Change data to JSON format.
-	 *
-	 * @since  1.0.19
-	 * @return string Data in JSON format.
-	 */
-	public function __toString() {
-		return wp_json_encode( $this->get_data() );
-	}
-
-	/**
-	 * Returns all data for this object.
-	 *
-	 * @since  1.0.19
-	 * @return array
-	 */
-	public function get_data() {
-		return array_merge( array( 'id' => $this->get_id() ), $this->data, array( 'meta_data' => $this->get_meta_data() ) );
-	}
-
-	/**
-	 * Returns array of expected data keys for this object.
-	 *
-	 * @since   1.0.19
-	 * @return array
-	 */
-	public function get_data_keys() {
-		return array_keys( $this->data );
-	}
-
-	/**
-	 * Returns all "extra" data keys for an object (for sub objects like item types).
-	 *
-	 * @since  1.0.19
-	 * @return array
-	 */
-	public function get_extra_data_keys() {
-		return array_keys( $this->extra_data );
-	}
-
-	/**
-	 * Filter null meta values from array.
-	 *
-	 * @since  1.0.19
-	 * @param mixed $meta Meta value to check.
-	 * @return bool
-	 */
-	protected function filter_null_meta( $meta ) {
-		return ! is_null( $meta->value );
-	}
-
-	/**
-	 * Get All Meta Data.
-	 *
-	 * @since 1.0.19
-	 * @return array of objects.
-	 */
-	public function get_meta_data() {
-		$this->maybe_read_meta_data();
-		return array_values( array_filter( $this->meta_data, array( $this, 'filter_null_meta' ) ) );
-	}
-
-	/**
-	 * Check if the key is an internal one.
-	 *
-	 * @since  1.0.19
-	 * @param  string $key Key to check.
-	 * @return bool   true if it's an internal key, false otherwise
-	 */
-	protected function is_internal_meta_key( $key ) {
-		$internal_meta_key = ! empty( $key ) && $this->data_store && in_array( $key, $this->data_store->get_internal_meta_keys(), true );
-
-		if ( ! $internal_meta_key ) {
-			return false;
-		}
-
-		$has_setter_or_getter = is_callable( array( $this, 'set_' . $key ) ) || is_callable( array( $this, 'get_' . $key ) );
-
-		if ( ! $has_setter_or_getter ) {
-			return false;
-		}
-
-		/* translators: %s: $key Key to check */
-		getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
-
-		return true;
-	}
-
-	/**
-	 * Magic method for setting data fields.
-	 *
-	 * This method does not update custom fields in the database.
-	 *
-	 * @since 1.0.19
-	 * @access public
-	 *
-	 */
-	public function __set( $key, $value ) {
-
-		if ( 'id' == strtolower( $key ) ) {
-			return $this->set_id( $value );
-		}
-
-		if ( method_exists( $this, "set_$key" ) ) {
-
-			/* translators: %s: $key Key to set */
-			getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
-
-			call_user_func( array( $this, "set_$key" ), $value );
-		} else {
-			$this->set_prop( $key, $value );
-		}
-
-	}
-
-	/**
+    /**
+     * ID for this object.
+     *
+     * @since 1.0.19
+     * @var int
+     */
+    protected $id = 0;
+
+    /**
+     * Core data for this object. Name value pairs (name + default value).
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $data = array();
+
+    /**
+     * Core data changes for this object.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $changes = array();
+
+    /**
+     * This is false until the object is read from the DB.
+     *
+     * @since 1.0.19
+     * @var bool
+     */
+    protected $object_read = false;
+
+    /**
+     * This is the name of this object type.
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    protected $object_type = 'data';
+
+    /**
+     * Extra data for this object. Name value pairs (name + default value).
+     * Used as a standard way for sub classes (like item types) to add
+     * additional information to an inherited class.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $extra_data = array();
+
+    /**
+     * Set to _data on construct so we can track and reset data if needed.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $default_data = array();
+
+    /**
+     * Contains a reference to the data store for this class.
+     *
+     * @since 1.0.19
+     * @var GetPaid_Data_Store
+     */
+    protected $data_store;
+
+    /**
+     * Stores meta in cache for future reads.
+     * A group must be set to to enable caching.
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    protected $cache_group = '';
+
+    /**
+     * Stores the last error.
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    public $last_error = '';
+
+    /**
+     * Stores additional meta data.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $meta_data = null;
+
+    /**
+     * Default constructor.
+     *
+     * @param int|object|array|string $read ID to load from the DB (optional) or already queried data.
+     */
+    public function __construct( $read = 0 ) {
+        $this->data         = array_merge( $this->data, $this->extra_data );
+        $this->default_data = $this->data;
+    }
+
+    /**
+     * Only store the object ID to avoid serializing the data object instance.
+     *
+     * @return array
+     */
+    public function __sleep() {
+        return array( 'id' );
+    }
+
+    /**
+     * Re-run the constructor with the object ID.
+     *
+     * If the object no longer exists, remove the ID.
+     */
+    public function __wakeup() {
+        $this->__construct( absint( $this->id ) );
+
+        if ( ! empty( $this->last_error ) ) {
+            $this->set_id( 0 );
+        }
+
+    }
+
+    /**
+     * When the object is cloned, make sure meta is duplicated correctly.
+     *
+     * @since 1.0.19
+     */
+    public function __clone() {
+        $this->maybe_read_meta_data();
+        if ( ! empty( $this->meta_data ) ) {
+            foreach ( $this->meta_data as $array_key => $meta ) {
+                $this->meta_data[ $array_key ] = clone $meta;
+                if ( ! empty( $meta->id ) ) {
+                    $this->meta_data[ $array_key ]->id = null;
+                }
+            }
+        }
+    }
+
+    /**
+     * Get the data store.
+     *
+     * @since  1.0.19
+     * @return object
+     */
+    public function get_data_store() {
+        return $this->data_store;
+    }
+
+    /**
+     * Get the object type.
+     *
+     * @since  1.0.19
+     * @return string
+     */
+    public function get_object_type() {
+        return $this->object_type;
+    }
+
+    /**
+     * Returns the unique ID for this object.
+     *
+     * @since  1.0.19
+     * @return int
+     */
+    public function get_id() {
+        return $this->id;
+    }
+
+    /**
+     * Get form status.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_status( $context = 'view' ) {
+        return $this->get_prop( 'status', $context );
+    }
+
+    /**
+     * Delete an object, set the ID to 0, and return result.
+     *
+     * @since  1.0.19
+     * @param  bool $force_delete Should the data be deleted permanently.
+     * @return bool result
+     */
+    public function delete( $force_delete = false ) {
+        if ( $this->data_store && $this->exists() ) {
+            $this->data_store->delete( $this, array( 'force_delete' => $force_delete ) );
+            $this->set_id( 0 );
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Save should create or update based on object existence.
+     *
+     * @since  1.0.19
+     * @return int
+     */
+    public function save() {
+        if ( ! $this->data_store ) {
+            return $this->get_id();
+        }
+
+        /**
+         * Trigger action before saving to the DB. Allows you to adjust object props before save.
+         *
+         * @param GetPaid_Data          $this The object being saved.
+         * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
+         */
+        do_action( 'getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store );
+
+        if ( $this->get_id() ) {
+            $this->data_store->update( $this );
+        } else {
+            $this->data_store->create( $this );
+        }
+
+        /**
+         * Trigger action after saving to the DB.
+         *
+         * @param GetPaid_Data          $this The object being saved.
+         * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
+         */
+        do_action( 'getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store );
+
+        return $this->get_id();
+    }
+
+    /**
+     * Change data to JSON format.
+     *
+     * @since  1.0.19
+     * @return string Data in JSON format.
+     */
+    public function __toString() {
+        return wp_json_encode( $this->get_data() );
+    }
+
+    /**
+     * Returns all data for this object.
+     *
+     * @since  1.0.19
+     * @return array
+     */
+    public function get_data() {
+        return array_merge( array( 'id' => $this->get_id() ), $this->data, array( 'meta_data' => $this->get_meta_data() ) );
+    }
+
+    /**
+     * Returns array of expected data keys for this object.
+     *
+     * @since   1.0.19
+     * @return array
+     */
+    public function get_data_keys() {
+        return array_keys( $this->data );
+    }
+
+    /**
+     * Returns all "extra" data keys for an object (for sub objects like item types).
+     *
+     * @since  1.0.19
+     * @return array
+     */
+    public function get_extra_data_keys() {
+        return array_keys( $this->extra_data );
+    }
+
+    /**
+     * Filter null meta values from array.
+     *
+     * @since  1.0.19
+     * @param mixed $meta Meta value to check.
+     * @return bool
+     */
+    protected function filter_null_meta( $meta ) {
+        return ! is_null( $meta->value );
+    }
+
+    /**
+     * Get All Meta Data.
+     *
+     * @since 1.0.19
+     * @return array of objects.
+     */
+    public function get_meta_data() {
+        $this->maybe_read_meta_data();
+        return array_values( array_filter( $this->meta_data, array( $this, 'filter_null_meta' ) ) );
+    }
+
+    /**
+     * Check if the key is an internal one.
+     *
+     * @since  1.0.19
+     * @param  string $key Key to check.
+     * @return bool   true if it's an internal key, false otherwise
+     */
+    protected function is_internal_meta_key( $key ) {
+        $internal_meta_key = ! empty( $key ) && $this->data_store && in_array( $key, $this->data_store->get_internal_meta_keys(), true );
+
+        if ( ! $internal_meta_key ) {
+            return false;
+        }
+
+        $has_setter_or_getter = is_callable( array( $this, 'set_' . $key ) ) || is_callable( array( $this, 'get_' . $key ) );
+
+        if ( ! $has_setter_or_getter ) {
+            return false;
+        }
+
+        /* translators: %s: $key Key to check */
+        getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
+
+        return true;
+    }
+
+    /**
+     * Magic method for setting data fields.
+     *
+     * This method does not update custom fields in the database.
+     *
+     * @since 1.0.19
+     * @access public
+     *
+     */
+    public function __set( $key, $value ) {
+
+        if ( 'id' == strtolower( $key ) ) {
+            return $this->set_id( $value );
+        }
+
+        if ( method_exists( $this, "set_$key" ) ) {
+
+            /* translators: %s: $key Key to set */
+            getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
+
+            call_user_func( array( $this, "set_$key" ), $value );
+        } else {
+            $this->set_prop( $key, $value );
+        }
+
+    }
+
+    /**
      * Margic method for retrieving a property.
      */
     public function __get( $key ) {
@@ -378,10 +378,10 @@ 
         // Check if we have a helper method for that.
         if ( method_exists( $this, 'get_' . $key ) ) {
 
-			if ( 'post_type' != $key ) {
-				/* translators: %s: $key Key to set */
-				getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
-			}
+            if ( 'post_type' != $key ) {
+                /* translators: %s: $key Key to set */
+                getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
+            }
 
             return call_user_func( array( $this, 'get_' . $key ) );
         }
@@ -391,513 +391,513 @@ 
             return $this->post->$key;
         }
 
-		return $this->get_prop( $key );
-
-    }
-
-	/**
-	 * Get Meta Data by Key.
-	 *
-	 * @since  1.0.19
-	 * @param  string $key Meta Key.
-	 * @param  bool   $single return first found meta with key, or all with $key.
-	 * @param  string $context What the value is for. Valid values are view and edit.
-	 * @return mixed
-	 */
-	public function get_meta( $key = '', $single = true, $context = 'view' ) {
-
-		// Check if this is an internal meta key.
-		$_key = str_replace( '_wpinv', '', $key );
-		$_key = str_replace( 'wpinv', '', $_key );
-		if ( $this->is_internal_meta_key( $key ) ) {
-			$function = 'get_' . $_key;
-
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}();
-			}
-		}
-
-		// Read the meta data if not yet read.
-		$this->maybe_read_meta_data();
-		$meta_data  = $this->get_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $meta_data, 'key' ), $key, true );
-		$value      = $single ? '' : array();
-
-		if ( ! empty( $array_keys ) ) {
-			// We don't use the $this->meta_data property directly here because we don't want meta with a null value (i.e. meta which has been deleted via $this->delete_meta_data()).
-			if ( $single ) {
-				$value = $meta_data[ current( $array_keys ) ]->value;
-			} else {
-				$value = array_intersect_key( $meta_data, array_flip( $array_keys ) );
-			}
-		}
-
-		if ( 'view' === $context ) {
-			$value = apply_filters( $this->get_hook_prefix() . $key, $value, $this );
-		}
-
-		return $value;
-	}
-
-	/**
-	 * See if meta data exists, since get_meta always returns a '' or array().
-	 *
-	 * @since  1.0.19
-	 * @param  string $key Meta Key.
-	 * @return boolean
-	 */
-	public function meta_exists( $key = '' ) {
-		$this->maybe_read_meta_data();
-		$array_keys = wp_list_pluck( $this->get_meta_data(), 'key' );
-		return in_array( $key, $array_keys, true );
-	}
-
-	/**
-	 * Set all meta data from array.
-	 *
-	 * @since 1.0.19
-	 * @param array $data Key/Value pairs.
-	 */
-	public function set_meta_data( $data ) {
-		if ( ! empty( $data ) && is_array( $data ) ) {
-			$this->maybe_read_meta_data();
-			foreach ( $data as $meta ) {
-				$meta = (array) $meta;
-				if ( isset( $meta['key'], $meta['value'], $meta['id'] ) ) {
-					$this->meta_data[] = new GetPaid_Meta_Data(
-						array(
-							'id'    => $meta['id'],
-							'key'   => $meta['key'],
-							'value' => $meta['value'],
-						)
-					);
-				}
-			}
-		}
-	}
-
-	/**
-	 * Add meta data.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param string       $key Meta key.
-	 * @param string|array $value Meta value.
-	 * @param bool         $unique Should this be a unique key?.
-	 */
-	public function add_meta_data( $key, $value, $unique = false ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
-			$function = 'set_' . $key;
-
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
-			}
-		}
-
-		$this->maybe_read_meta_data();
-		if ( $unique ) {
-			$this->delete_meta_data( $key );
-		}
-		$this->meta_data[] = new GetPaid_Meta_Data(
-			array(
-				'key'   => $key,
-				'value' => $value,
-			)
-		);
-
-		$this->save();
-	}
-
-	/**
-	 * Update meta data by key or ID, if provided.
-	 *
-	 * @since  1.0.19
-	 *
-	 * @param  string       $key Meta key.
-	 * @param  string|array $value Meta value.
-	 * @param  int          $meta_id Meta ID.
-	 */
-	public function update_meta_data( $key, $value, $meta_id = 0 ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
-			$function = 'set_' . $key;
-
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
-			}
-		}
-
-		$this->maybe_read_meta_data();
-
-		$array_key = false;
-
-		if ( $meta_id ) {
-			$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), $meta_id, true );
-			$array_key  = $array_keys ? current( $array_keys ) : false;
-		} else {
-			// Find matches by key.
-			$matches = array();
-			foreach ( $this->meta_data as $meta_data_array_key => $meta ) {
-				if ( $meta->key === $key ) {
-					$matches[] = $meta_data_array_key;
-				}
-			}
-
-			if ( ! empty( $matches ) ) {
-				// Set matches to null so only one key gets the new value.
-				foreach ( $matches as $meta_data_array_key ) {
-					$this->meta_data[ $meta_data_array_key ]->value = null;
-				}
-				$array_key = current( $matches );
-			}
-		}
-
-		if ( false !== $array_key ) {
-			$meta        = $this->meta_data[ $array_key ];
-			$meta->key   = $key;
-			$meta->value = $value;
-		} else {
-			$this->add_meta_data( $key, $value, true );
-		}
-	}
-
-	/**
-	 * Delete meta data.
-	 *
-	 * @since 1.0.19
-	 * @param string $key Meta key.
-	 */
-	public function delete_meta_data( $key ) {
-		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'key' ), $key, true );
-
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
-			}
-		}
-	}
-
-	/**
-	 * Delete meta data.
-	 *
-	 * @since 1.0.19
-	 * @param int $mid Meta ID.
-	 */
-	public function delete_meta_data_by_mid( $mid ) {
-		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), (int) $mid, true );
-
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
-			}
-		}
-	}
-
-	/**
-	 * Read meta data if null.
-	 *
-	 * @since 1.0.19
-	 */
-	protected function maybe_read_meta_data() {
-		if ( is_null( $this->meta_data ) ) {
-			$this->read_meta_data();
-		}
-	}
-
-	/**
-	 * Read Meta Data from the database. Ignore any internal properties.
-	 * Uses it's own caches because get_metadata does not provide meta_ids.
-	 *
-	 * @since 1.0.19
-	 * @param bool $force_read True to force a new DB read (and update cache).
-	 */
-	public function read_meta_data( $force_read = false ) {
-
-		// Reset meta data.
-		$this->meta_data = array();
-
-		// Maybe abort early.
-		if ( ! $this->get_id() || ! $this->data_store ) {
-			return;
-		}
-
-		// Only read from cache if the cache key is set.
-		$cache_key = null;
-		if ( ! $force_read && ! empty( $this->cache_group ) ) {
-			$cache_key     = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
-			$raw_meta_data = wp_cache_get( $cache_key, $this->cache_group );
-		}
-
-		// Should we force read?
-		if ( empty( $raw_meta_data ) ) {
-			$raw_meta_data = $this->data_store->read_meta( $this );
-
-			if ( ! empty( $cache_key ) ) {
-				wp_cache_set( $cache_key, $raw_meta_data, $this->cache_group );
-			}
+        return $this->get_prop( $key );
+
+    }
+
+    /**
+     * Get Meta Data by Key.
+     *
+     * @since  1.0.19
+     * @param  string $key Meta Key.
+     * @param  bool   $single return first found meta with key, or all with $key.
+     * @param  string $context What the value is for. Valid values are view and edit.
+     * @return mixed
+     */
+    public function get_meta( $key = '', $single = true, $context = 'view' ) {
+
+        // Check if this is an internal meta key.
+        $_key = str_replace( '_wpinv', '', $key );
+        $_key = str_replace( 'wpinv', '', $_key );
+        if ( $this->is_internal_meta_key( $key ) ) {
+            $function = 'get_' . $_key;
+
+            if ( is_callable( array( $this, $function ) ) ) {
+                return $this->{$function}();
+            }
+        }
+
+        // Read the meta data if not yet read.
+        $this->maybe_read_meta_data();
+        $meta_data  = $this->get_meta_data();
+        $array_keys = array_keys( wp_list_pluck( $meta_data, 'key' ), $key, true );
+        $value      = $single ? '' : array();
+
+        if ( ! empty( $array_keys ) ) {
+            // We don't use the $this->meta_data property directly here because we don't want meta with a null value (i.e. meta which has been deleted via $this->delete_meta_data()).
+            if ( $single ) {
+                $value = $meta_data[ current( $array_keys ) ]->value;
+            } else {
+                $value = array_intersect_key( $meta_data, array_flip( $array_keys ) );
+            }
+        }
+
+        if ( 'view' === $context ) {
+            $value = apply_filters( $this->get_hook_prefix() . $key, $value, $this );
+        }
+
+        return $value;
+    }
+
+    /**
+     * See if meta data exists, since get_meta always returns a '' or array().
+     *
+     * @since  1.0.19
+     * @param  string $key Meta Key.
+     * @return boolean
+     */
+    public function meta_exists( $key = '' ) {
+        $this->maybe_read_meta_data();
+        $array_keys = wp_list_pluck( $this->get_meta_data(), 'key' );
+        return in_array( $key, $array_keys, true );
+    }
+
+    /**
+     * Set all meta data from array.
+     *
+     * @since 1.0.19
+     * @param array $data Key/Value pairs.
+     */
+    public function set_meta_data( $data ) {
+        if ( ! empty( $data ) && is_array( $data ) ) {
+            $this->maybe_read_meta_data();
+            foreach ( $data as $meta ) {
+                $meta = (array) $meta;
+                if ( isset( $meta['key'], $meta['value'], $meta['id'] ) ) {
+                    $this->meta_data[] = new GetPaid_Meta_Data(
+                        array(
+                            'id'    => $meta['id'],
+                            'key'   => $meta['key'],
+                            'value' => $meta['value'],
+                        )
+                    );
+                }
+            }
+        }
+    }
+
+    /**
+     * Add meta data.
+     *
+     * @since 1.0.19
+     *
+     * @param string       $key Meta key.
+     * @param string|array $value Meta value.
+     * @param bool         $unique Should this be a unique key?.
+     */
+    public function add_meta_data( $key, $value, $unique = false ) {
+        if ( $this->is_internal_meta_key( $key ) ) {
+            $function = 'set_' . $key;
+
+            if ( is_callable( array( $this, $function ) ) ) {
+                return $this->{$function}( $value );
+            }
+        }
+
+        $this->maybe_read_meta_data();
+        if ( $unique ) {
+            $this->delete_meta_data( $key );
+        }
+        $this->meta_data[] = new GetPaid_Meta_Data(
+            array(
+                'key'   => $key,
+                'value' => $value,
+            )
+        );
+
+        $this->save();
+    }
+
+    /**
+     * Update meta data by key or ID, if provided.
+     *
+     * @since  1.0.19
+     *
+     * @param  string       $key Meta key.
+     * @param  string|array $value Meta value.
+     * @param  int          $meta_id Meta ID.
+     */
+    public function update_meta_data( $key, $value, $meta_id = 0 ) {
+        if ( $this->is_internal_meta_key( $key ) ) {
+            $function = 'set_' . $key;
+
+            if ( is_callable( array( $this, $function ) ) ) {
+                return $this->{$function}( $value );
+            }
+        }
+
+        $this->maybe_read_meta_data();
+
+        $array_key = false;
+
+        if ( $meta_id ) {
+            $array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), $meta_id, true );
+            $array_key  = $array_keys ? current( $array_keys ) : false;
+        } else {
+            // Find matches by key.
+            $matches = array();
+            foreach ( $this->meta_data as $meta_data_array_key => $meta ) {
+                if ( $meta->key === $key ) {
+                    $matches[] = $meta_data_array_key;
+                }
+            }
+
+            if ( ! empty( $matches ) ) {
+                // Set matches to null so only one key gets the new value.
+                foreach ( $matches as $meta_data_array_key ) {
+                    $this->meta_data[ $meta_data_array_key ]->value = null;
+                }
+                $array_key = current( $matches );
+            }
+        }
+
+        if ( false !== $array_key ) {
+            $meta        = $this->meta_data[ $array_key ];
+            $meta->key   = $key;
+            $meta->value = $value;
+        } else {
+            $this->add_meta_data( $key, $value, true );
+        }
+    }
+
+    /**
+     * Delete meta data.
+     *
+     * @since 1.0.19
+     * @param string $key Meta key.
+     */
+    public function delete_meta_data( $key ) {
+        $this->maybe_read_meta_data();
+        $array_keys = array_keys( wp_list_pluck( $this->meta_data, 'key' ), $key, true );
+
+        if ( $array_keys ) {
+            foreach ( $array_keys as $array_key ) {
+                $this->meta_data[ $array_key ]->value = null;
+            }
+        }
+    }
+
+    /**
+     * Delete meta data.
+     *
+     * @since 1.0.19
+     * @param int $mid Meta ID.
+     */
+    public function delete_meta_data_by_mid( $mid ) {
+        $this->maybe_read_meta_data();
+        $array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), (int) $mid, true );
+
+        if ( $array_keys ) {
+            foreach ( $array_keys as $array_key ) {
+                $this->meta_data[ $array_key ]->value = null;
+            }
+        }
+    }
+
+    /**
+     * Read meta data if null.
+     *
+     * @since 1.0.19
+     */
+    protected function maybe_read_meta_data() {
+        if ( is_null( $this->meta_data ) ) {
+            $this->read_meta_data();
+        }
+    }
+
+    /**
+     * Read Meta Data from the database. Ignore any internal properties.
+     * Uses it's own caches because get_metadata does not provide meta_ids.
+     *
+     * @since 1.0.19
+     * @param bool $force_read True to force a new DB read (and update cache).
+     */
+    public function read_meta_data( $force_read = false ) {
+
+        // Reset meta data.
+        $this->meta_data = array();
+
+        // Maybe abort early.
+        if ( ! $this->get_id() || ! $this->data_store ) {
+            return;
+        }
+
+        // Only read from cache if the cache key is set.
+        $cache_key = null;
+        if ( ! $force_read && ! empty( $this->cache_group ) ) {
+            $cache_key     = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
+            $raw_meta_data = wp_cache_get( $cache_key, $this->cache_group );
+        }
+
+        // Should we force read?
+        if ( empty( $raw_meta_data ) ) {
+            $raw_meta_data = $this->data_store->read_meta( $this );
+
+            if ( ! empty( $cache_key ) ) {
+                wp_cache_set( $cache_key, $raw_meta_data, $this->cache_group );
+            }
 }
 
-		// Set meta data.
-		if ( is_array( $raw_meta_data ) ) {
-
-			foreach ( $raw_meta_data as $meta ) {
-				$this->meta_data[] = new GetPaid_Meta_Data(
-					array(
-						'id'    => (int) $meta->meta_id,
-						'key'   => $meta->meta_key,
-						'value' => maybe_unserialize( $meta->meta_value ),
-					)
-				);
-			}
+        // Set meta data.
+        if ( is_array( $raw_meta_data ) ) {
+
+            foreach ( $raw_meta_data as $meta ) {
+                $this->meta_data[] = new GetPaid_Meta_Data(
+                    array(
+                        'id'    => (int) $meta->meta_id,
+                        'key'   => $meta->meta_key,
+                        'value' => maybe_unserialize( $meta->meta_value ),
+                    )
+                );
+            }
 }
 
-	}
-
-	/**
-	 * Update Meta Data in the database.
-	 *
-	 * @since 1.0.19
-	 */
-	public function save_meta_data() {
-		if ( ! $this->data_store || is_null( $this->meta_data ) ) {
-			return;
-		}
-		foreach ( $this->meta_data as $array_key => $meta ) {
-			if ( is_null( $meta->value ) ) {
-				if ( ! empty( $meta->id ) ) {
-					$this->data_store->delete_meta( $this, $meta );
-					unset( $this->meta_data[ $array_key ] );
-				}
-			} elseif ( empty( $meta->id ) ) {
-				$meta->id = $this->data_store->add_meta( $this, $meta );
-				$meta->apply_changes();
-			} else {
-				if ( $meta->get_changes() ) {
-					$this->data_store->update_meta( $this, $meta );
-					$meta->apply_changes();
-				}
-			}
-		}
-		if ( ! empty( $this->cache_group ) ) {
-			$cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
-			wp_cache_delete( $cache_key, $this->cache_group );
-		}
-	}
-
-	/**
-	 * Set ID.
-	 *
-	 * @since 1.0.19
-	 * @param int $id ID.
-	 */
-	public function set_id( $id ) {
-		$this->id = absint( $id );
-	}
-
-	/**
-	 * Sets item status.
-	 *
-	 * @since 1.0.19
-	 * @param string $status New status.
-	 * @return array details of change.
-	 */
-	public function set_status( $status ) {
+    }
+
+    /**
+     * Update Meta Data in the database.
+     *
+     * @since 1.0.19
+     */
+    public function save_meta_data() {
+        if ( ! $this->data_store || is_null( $this->meta_data ) ) {
+            return;
+        }
+        foreach ( $this->meta_data as $array_key => $meta ) {
+            if ( is_null( $meta->value ) ) {
+                if ( ! empty( $meta->id ) ) {
+                    $this->data_store->delete_meta( $this, $meta );
+                    unset( $this->meta_data[ $array_key ] );
+                }
+            } elseif ( empty( $meta->id ) ) {
+                $meta->id = $this->data_store->add_meta( $this, $meta );
+                $meta->apply_changes();
+            } else {
+                if ( $meta->get_changes() ) {
+                    $this->data_store->update_meta( $this, $meta );
+                    $meta->apply_changes();
+                }
+            }
+        }
+        if ( ! empty( $this->cache_group ) ) {
+            $cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
+            wp_cache_delete( $cache_key, $this->cache_group );
+        }
+    }
+
+    /**
+     * Set ID.
+     *
+     * @since 1.0.19
+     * @param int $id ID.
+     */
+    public function set_id( $id ) {
+        $this->id = absint( $id );
+    }
+
+    /**
+     * Sets item status.
+     *
+     * @since 1.0.19
+     * @param string $status New status.
+     * @return array details of change.
+     */
+    public function set_status( $status ) {
         $old_status = $this->get_status();
 
-		$this->set_prop( 'status', $status );
-
-		return array(
-			'from' => $old_status,
-			'to'   => $status,
-		);
-    }
-
-	/**
-	 * Set all props to default values.
-	 *
-	 * @since 1.0.19
-	 */
-	public function set_defaults() {
-		$this->data    = $this->default_data;
-		$this->changes = array();
-		$this->set_object_read( false );
-	}
-
-	/**
-	 * Set object read property.
-	 *
-	 * @since 1.0.19
-	 * @param boolean $read Should read?.
-	 */
-	public function set_object_read( $read = true ) {
-		$this->object_read = (bool) $read;
-	}
-
-	/**
-	 * Get object read property.
-	 *
-	 * @since  1.0.19
-	 * @return boolean
-	 */
-	public function get_object_read() {
-		return (bool) $this->object_read;
-	}
-
-	/**
-	 * Set a collection of props in one go, collect any errors, and return the result.
-	 * Only sets using public methods.
-	 *
-	 * @since  1.0.19
-	 *
-	 * @param array  $props Key value pairs to set. Key is the prop and should map to a setter function name.
-	 * @param string $context In what context to run this.
-	 *
-	 * @return bool|WP_Error
-	 */
-	public function set_props( $props, $context = 'set' ) {
-		$errors = false;
-
-		$props = wp_unslash( $props );
-		foreach ( $props as $prop => $value ) {
-			try {
-				/**
-				 * Checks if the prop being set is allowed, and the value is not null.
-				 */
-				if ( is_null( $value ) || in_array( $prop, array( 'prop', 'date_prop', 'meta_data' ), true ) ) {
-					continue;
-				}
-				$setter = "set_$prop";
-
-				if ( is_callable( array( $this, $setter ) ) ) {
-					$this->{$setter}( $value );
-				}
-			} catch ( Exception $e ) {
-				if ( ! $errors ) {
-					$errors = new WP_Error();
-				}
-				$errors->add( $e->getCode(), $e->getMessage() );
-				$this->last_error = $e->getMessage();
-			}
-		}
-
-		return $errors && count( $errors->get_error_codes() ) ? $errors : true;
-	}
-
-	/**
-	 * Sets a prop for a setter method.
-	 *
-	 * This stores changes in a special array so we can track what needs saving
-	 * the the DB later.
-	 *
-	 * @since 1.0.19
-	 * @param string $prop Name of prop to set.
-	 * @param mixed  $value Value of the prop.
-	 */
-	protected function set_prop( $prop, $value ) {
-		if ( array_key_exists( $prop, $this->data ) ) {
-			if ( true === $this->object_read ) {
-				if ( $value !== $this->data[ $prop ] || array_key_exists( $prop, $this->changes ) ) {
-					$this->changes[ $prop ] = $value;
-				}
-			} else {
-				$this->data[ $prop ] = $value;
-			}
-		}
-	}
-
-	/**
-	 * Return data changes only.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function get_changes() {
-		return $this->changes;
-	}
-
-	/**
-	 * Merge changes with data and clear.
-	 *
-	 * @since 1.0.19
-	 */
-	public function apply_changes() {
-		$this->data    = array_replace( $this->data, $this->changes );
-		$this->changes = array();
-	}
-
-	/**
-	 * Prefix for action and filter hooks on data.
-	 *
-	 * @since  1.0.19
-	 * @return string
-	 */
-	protected function get_hook_prefix() {
-		return 'wpinv_get_' . $this->object_type . '_';
-	}
-
-	/**
-	 * Gets a prop for a getter method.
-	 *
-	 * Gets the value from either current pending changes, or the data itself.
-	 * Context controls what happens to the value before it's returned.
-	 *
-	 * @since  1.0.19
-	 * @param  string $prop Name of prop to get.
-	 * @param  string $context What the value is for. Valid values are view and edit.
-	 * @return mixed
-	 */
-	protected function get_prop( $prop, $context = 'view' ) {
-		$value = null;
-
-		if ( array_key_exists( $prop, $this->data ) ) {
-			$value = array_key_exists( $prop, $this->changes ) ? $this->changes[ $prop ] : $this->data[ $prop ];
-
-			if ( 'view' === $context ) {
-				$value = apply_filters( $this->get_hook_prefix() . $prop, $value, $this );
-			}
-		}
-
-		return $value;
-	}
-
-	/**
-	 * Sets a date prop whilst handling formatting and datetime objects.
-	 *
-	 * @since 1.0.19
-	 * @param string         $prop Name of prop to set.
-	 * @param string|integer $value Value of the prop.
-	 */
-	protected function set_date_prop( $prop, $value ) {
-
-		if ( empty( $value ) ) {
-			$this->set_prop( $prop, null );
-			return;
-		}
-		$this->set_prop( $prop, $value );
-
-	}
-
-	/**
-	 * When invalid data is found, throw an exception unless reading from the DB.
-	 *
-	 * @since 1.0.19
-	 * @param string $code             Error code.
-	 * @param string $message          Error message.
-	 */
-	protected function error( $code, $message ) {
-		$this->last_error = $message;
-	}
-
-	/**
-	 * Checks if the object is saved in the database
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function exists() {
-		$id = $this->get_id();
-		return ! empty( $id );
-	}
+        $this->set_prop( 'status', $status );
+
+        return array(
+            'from' => $old_status,
+            'to'   => $status,
+        );
+    }
+
+    /**
+     * Set all props to default values.
+     *
+     * @since 1.0.19
+     */
+    public function set_defaults() {
+        $this->data    = $this->default_data;
+        $this->changes = array();
+        $this->set_object_read( false );
+    }
+
+    /**
+     * Set object read property.
+     *
+     * @since 1.0.19
+     * @param boolean $read Should read?.
+     */
+    public function set_object_read( $read = true ) {
+        $this->object_read = (bool) $read;
+    }
+
+    /**
+     * Get object read property.
+     *
+     * @since  1.0.19
+     * @return boolean
+     */
+    public function get_object_read() {
+        return (bool) $this->object_read;
+    }
+
+    /**
+     * Set a collection of props in one go, collect any errors, and return the result.
+     * Only sets using public methods.
+     *
+     * @since  1.0.19
+     *
+     * @param array  $props Key value pairs to set. Key is the prop and should map to a setter function name.
+     * @param string $context In what context to run this.
+     *
+     * @return bool|WP_Error
+     */
+    public function set_props( $props, $context = 'set' ) {
+        $errors = false;
+
+        $props = wp_unslash( $props );
+        foreach ( $props as $prop => $value ) {
+            try {
+                /**
+                 * Checks if the prop being set is allowed, and the value is not null.
+                 */
+                if ( is_null( $value ) || in_array( $prop, array( 'prop', 'date_prop', 'meta_data' ), true ) ) {
+                    continue;
+                }
+                $setter = "set_$prop";
+
+                if ( is_callable( array( $this, $setter ) ) ) {
+                    $this->{$setter}( $value );
+                }
+            } catch ( Exception $e ) {
+                if ( ! $errors ) {
+                    $errors = new WP_Error();
+                }
+                $errors->add( $e->getCode(), $e->getMessage() );
+                $this->last_error = $e->getMessage();
+            }
+        }
+
+        return $errors && count( $errors->get_error_codes() ) ? $errors : true;
+    }
+
+    /**
+     * Sets a prop for a setter method.
+     *
+     * This stores changes in a special array so we can track what needs saving
+     * the the DB later.
+     *
+     * @since 1.0.19
+     * @param string $prop Name of prop to set.
+     * @param mixed  $value Value of the prop.
+     */
+    protected function set_prop( $prop, $value ) {
+        if ( array_key_exists( $prop, $this->data ) ) {
+            if ( true === $this->object_read ) {
+                if ( $value !== $this->data[ $prop ] || array_key_exists( $prop, $this->changes ) ) {
+                    $this->changes[ $prop ] = $value;
+                }
+            } else {
+                $this->data[ $prop ] = $value;
+            }
+        }
+    }
+
+    /**
+     * Return data changes only.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function get_changes() {
+        return $this->changes;
+    }
+
+    /**
+     * Merge changes with data and clear.
+     *
+     * @since 1.0.19
+     */
+    public function apply_changes() {
+        $this->data    = array_replace( $this->data, $this->changes );
+        $this->changes = array();
+    }
+
+    /**
+     * Prefix for action and filter hooks on data.
+     *
+     * @since  1.0.19
+     * @return string
+     */
+    protected function get_hook_prefix() {
+        return 'wpinv_get_' . $this->object_type . '_';
+    }
+
+    /**
+     * Gets a prop for a getter method.
+     *
+     * Gets the value from either current pending changes, or the data itself.
+     * Context controls what happens to the value before it's returned.
+     *
+     * @since  1.0.19
+     * @param  string $prop Name of prop to get.
+     * @param  string $context What the value is for. Valid values are view and edit.
+     * @return mixed
+     */
+    protected function get_prop( $prop, $context = 'view' ) {
+        $value = null;
+
+        if ( array_key_exists( $prop, $this->data ) ) {
+            $value = array_key_exists( $prop, $this->changes ) ? $this->changes[ $prop ] : $this->data[ $prop ];
+
+            if ( 'view' === $context ) {
+                $value = apply_filters( $this->get_hook_prefix() . $prop, $value, $this );
+            }
+        }
+
+        return $value;
+    }
+
+    /**
+     * Sets a date prop whilst handling formatting and datetime objects.
+     *
+     * @since 1.0.19
+     * @param string         $prop Name of prop to set.
+     * @param string|integer $value Value of the prop.
+     */
+    protected function set_date_prop( $prop, $value ) {
+
+        if ( empty( $value ) ) {
+            $this->set_prop( $prop, null );
+            return;
+        }
+        $this->set_prop( $prop, $value );
+
+    }
+
+    /**
+     * When invalid data is found, throw an exception unless reading from the DB.
+     *
+     * @since 1.0.19
+     * @param string $code             Error code.
+     * @param string $message          Error message.
+     */
+    protected function error( $code, $message ) {
+        $this->last_error = $message;
+    }
+
+    /**
+     * Checks if the object is saved in the database
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function exists() {
+        $id = $this->get_id();
+        return ! empty( $id );
+    }
 
 }

Spacing +162 added lines, -162 removed lines

@@ -8,7 +8,7 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -117,8 +117,8 @@ 
 	 *
 	 * @param int|object|array|string $read ID to load from the DB (optional) or already queried data.
 	 */
-	public function __construct( $read = 0 ) {
-		$this->data         = array_merge( $this->data, $this->extra_data );
+	public function __construct($read = 0) {
+		$this->data         = array_merge($this->data, $this->extra_data);
 		$this->default_data = $this->data;
 	}
 
@@ -128,7 +128,7 @@ 
 	 * @return array
 	 */
 	public function __sleep() {
-		return array( 'id' );
+		return array('id');
 	}
 
 	/**
@@ -137,10 +137,10 @@ 
 	 * If the object no longer exists, remove the ID.
 	 */
 	public function __wakeup() {
-		$this->__construct( absint( $this->id ) );
+		$this->__construct(absint($this->id));
 
-		if ( ! empty( $this->last_error ) ) {
-			$this->set_id( 0 );
+		if (!empty($this->last_error)) {
+			$this->set_id(0);
 		}
 
 	}
@@ -152,11 +152,11 @@ 
 	 */
 	public function __clone() {
 		$this->maybe_read_meta_data();
-		if ( ! empty( $this->meta_data ) ) {
-			foreach ( $this->meta_data as $array_key => $meta ) {
-				$this->meta_data[ $array_key ] = clone $meta;
-				if ( ! empty( $meta->id ) ) {
-					$this->meta_data[ $array_key ]->id = null;
+		if (!empty($this->meta_data)) {
+			foreach ($this->meta_data as $array_key => $meta) {
+				$this->meta_data[$array_key] = clone $meta;
+				if (!empty($meta->id)) {
+					$this->meta_data[$array_key]->id = null;
 				}
 			}
 		}
@@ -199,8 +199,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
+	public function get_status($context = 'view') {
+		return $this->get_prop('status', $context);
     }
 
 	/**
@@ -210,10 +210,10 @@ 
 	 * @param  bool $force_delete Should the data be deleted permanently.
 	 * @return bool result
 	 */
-	public function delete( $force_delete = false ) {
-		if ( $this->data_store && $this->exists() ) {
-			$this->data_store->delete( $this, array( 'force_delete' => $force_delete ) );
-			$this->set_id( 0 );
+	public function delete($force_delete = false) {
+		if ($this->data_store && $this->exists()) {
+			$this->data_store->delete($this, array('force_delete' => $force_delete));
+			$this->set_id(0);
 			return true;
 		}
 		return false;
@@ -226,7 +226,7 @@ 
 	 * @return int
 	 */
 	public function save() {
-		if ( ! $this->data_store ) {
+		if (!$this->data_store) {
 			return $this->get_id();
 		}
 
@@ -236,12 +236,12 @@ 
 		 * @param GetPaid_Data          $this The object being saved.
 		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
 		 */
-		do_action( 'getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store );
+		do_action('getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store);
 
-		if ( $this->get_id() ) {
-			$this->data_store->update( $this );
+		if ($this->get_id()) {
+			$this->data_store->update($this);
 		} else {
-			$this->data_store->create( $this );
+			$this->data_store->create($this);
 		}
 
 		/**
@@ -250,7 +250,7 @@ 
 		 * @param GetPaid_Data          $this The object being saved.
 		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
 		 */
-		do_action( 'getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store );
+		do_action('getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store);
 
 		return $this->get_id();
 	}
@@ -262,7 +262,7 @@ 
 	 * @return string Data in JSON format.
 	 */
 	public function __toString() {
-		return wp_json_encode( $this->get_data() );
+		return wp_json_encode($this->get_data());
 	}
 
 	/**
@@ -272,7 +272,7 @@ 
 	 * @return array
 	 */
 	public function get_data() {
-		return array_merge( array( 'id' => $this->get_id() ), $this->data, array( 'meta_data' => $this->get_meta_data() ) );
+		return array_merge(array('id' => $this->get_id()), $this->data, array('meta_data' => $this->get_meta_data()));
 	}
 
 	/**
@@ -282,7 +282,7 @@ 
 	 * @return array
 	 */
 	public function get_data_keys() {
-		return array_keys( $this->data );
+		return array_keys($this->data);
 	}
 
 	/**
@@ -292,7 +292,7 @@ 
 	 * @return array
 	 */
 	public function get_extra_data_keys() {
-		return array_keys( $this->extra_data );
+		return array_keys($this->extra_data);
 	}
 
 	/**
@@ -302,8 +302,8 @@ 
 	 * @param mixed $meta Meta value to check.
 	 * @return bool
 	 */
-	protected function filter_null_meta( $meta ) {
-		return ! is_null( $meta->value );
+	protected function filter_null_meta($meta) {
+		return !is_null($meta->value);
 	}
 
 	/**
@@ -314,7 +314,7 @@ 
 	 */
 	public function get_meta_data() {
 		$this->maybe_read_meta_data();
-		return array_values( array_filter( $this->meta_data, array( $this, 'filter_null_meta' ) ) );
+		return array_values(array_filter($this->meta_data, array($this, 'filter_null_meta')));
 	}
 
 	/**
@@ -324,21 +324,21 @@ 
 	 * @param  string $key Key to check.
 	 * @return bool   true if it's an internal key, false otherwise
 	 */
-	protected function is_internal_meta_key( $key ) {
-		$internal_meta_key = ! empty( $key ) && $this->data_store && in_array( $key, $this->data_store->get_internal_meta_keys(), true );
+	protected function is_internal_meta_key($key) {
+		$internal_meta_key = !empty($key) && $this->data_store && in_array($key, $this->data_store->get_internal_meta_keys(), true);
 
-		if ( ! $internal_meta_key ) {
+		if (!$internal_meta_key) {
 			return false;
 		}
 
-		$has_setter_or_getter = is_callable( array( $this, 'set_' . $key ) ) || is_callable( array( $this, 'get_' . $key ) );
+		$has_setter_or_getter = is_callable(array($this, 'set_' . $key)) || is_callable(array($this, 'get_' . $key));
 
-		if ( ! $has_setter_or_getter ) {
+		if (!$has_setter_or_getter) {
 			return false;
 		}
 
 		/* translators: %s: $key Key to check */
-		getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
+		getpaid_doing_it_wrong(__FUNCTION__, sprintf(__('Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'invoicing'), $key), '1.0.19');
 
 		return true;
 	}
@@ -352,20 +352,20 @@ 
 	 * @access public
 	 *
 	 */
-	public function __set( $key, $value ) {
+	public function __set($key, $value) {
 
-		if ( 'id' == strtolower( $key ) ) {
-			return $this->set_id( $value );
+		if ('id' == strtolower($key)) {
+			return $this->set_id($value);
 		}
 
-		if ( method_exists( $this, "set_$key" ) ) {
+		if (method_exists($this, "set_$key")) {
 
 			/* translators: %s: $key Key to set */
-			getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
+			getpaid_doing_it_wrong(__FUNCTION__, sprintf(__('Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing'), $key), '1.0.19');
 
-			call_user_func( array( $this, "set_$key" ), $value );
+			call_user_func(array($this, "set_$key"), $value);
 		} else {
-			$this->set_prop( $key, $value );
+			$this->set_prop($key, $value);
 		}
 
 	}
@@ -373,25 +373,25 @@ 
 	/**
      * Margic method for retrieving a property.
      */
-    public function __get( $key ) {
+    public function __get($key) {
 
         // Check if we have a helper method for that.
-        if ( method_exists( $this, 'get_' . $key ) ) {
+        if (method_exists($this, 'get_' . $key)) {
 
-			if ( 'post_type' != $key ) {
+			if ('post_type' != $key) {
 				/* translators: %s: $key Key to set */
-				getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing' ), $key ), '1.0.19' );
+				getpaid_doing_it_wrong(__FUNCTION__, sprintf(__('Object data such as "%s" should not be accessed directly. Use getters and setters.', 'invoicing'), $key), '1.0.19');
 			}
 
-            return call_user_func( array( $this, 'get_' . $key ) );
+            return call_user_func(array($this, 'get_' . $key));
         }
 
         // Check if the key is in the associated $post object.
-        if ( ! empty( $this->post ) && isset( $this->post->$key ) ) {
+        if (!empty($this->post) && isset($this->post->$key)) {
             return $this->post->$key;
         }
 
-		return $this->get_prop( $key );
+		return $this->get_prop($key);
 
     }
 
@@ -404,15 +404,15 @@ 
 	 * @param  string $context What the value is for. Valid values are view and edit.
 	 * @return mixed
 	 */
-	public function get_meta( $key = '', $single = true, $context = 'view' ) {
+	public function get_meta($key = '', $single = true, $context = 'view') {
 
 		// Check if this is an internal meta key.
-		$_key = str_replace( '_wpinv', '', $key );
-		$_key = str_replace( 'wpinv', '', $_key );
-		if ( $this->is_internal_meta_key( $key ) ) {
+		$_key = str_replace('_wpinv', '', $key);
+		$_key = str_replace('wpinv', '', $_key);
+		if ($this->is_internal_meta_key($key)) {
 			$function = 'get_' . $_key;
 
-			if ( is_callable( array( $this, $function ) ) ) {
+			if (is_callable(array($this, $function))) {
 				return $this->{$function}();
 			}
 		}
@@ -420,20 +420,20 @@ 
 		// Read the meta data if not yet read.
 		$this->maybe_read_meta_data();
 		$meta_data  = $this->get_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $meta_data, 'key' ), $key, true );
+		$array_keys = array_keys(wp_list_pluck($meta_data, 'key'), $key, true);
 		$value      = $single ? '' : array();
 
-		if ( ! empty( $array_keys ) ) {
+		if (!empty($array_keys)) {
 			// We don't use the $this->meta_data property directly here because we don't want meta with a null value (i.e. meta which has been deleted via $this->delete_meta_data()).
-			if ( $single ) {
-				$value = $meta_data[ current( $array_keys ) ]->value;
+			if ($single) {
+				$value = $meta_data[current($array_keys)]->value;
 			} else {
-				$value = array_intersect_key( $meta_data, array_flip( $array_keys ) );
+				$value = array_intersect_key($meta_data, array_flip($array_keys));
 			}
 		}
 
-		if ( 'view' === $context ) {
-			$value = apply_filters( $this->get_hook_prefix() . $key, $value, $this );
+		if ('view' === $context) {
+			$value = apply_filters($this->get_hook_prefix() . $key, $value, $this);
 		}
 
 		return $value;
@@ -446,10 +446,10 @@ 
 	 * @param  string $key Meta Key.
 	 * @return boolean
 	 */
-	public function meta_exists( $key = '' ) {
+	public function meta_exists($key = '') {
 		$this->maybe_read_meta_data();
-		$array_keys = wp_list_pluck( $this->get_meta_data(), 'key' );
-		return in_array( $key, $array_keys, true );
+		$array_keys = wp_list_pluck($this->get_meta_data(), 'key');
+		return in_array($key, $array_keys, true);
 	}
 
 	/**
@@ -458,12 +458,12 @@ 
 	 * @since 1.0.19
 	 * @param array $data Key/Value pairs.
 	 */
-	public function set_meta_data( $data ) {
-		if ( ! empty( $data ) && is_array( $data ) ) {
+	public function set_meta_data($data) {
+		if (!empty($data) && is_array($data)) {
 			$this->maybe_read_meta_data();
-			foreach ( $data as $meta ) {
+			foreach ($data as $meta) {
 				$meta = (array) $meta;
-				if ( isset( $meta['key'], $meta['value'], $meta['id'] ) ) {
+				if (isset($meta['key'], $meta['value'], $meta['id'])) {
 					$this->meta_data[] = new GetPaid_Meta_Data(
 						array(
 							'id'    => $meta['id'],
@@ -485,18 +485,18 @@ 
 	 * @param string|array $value Meta value.
 	 * @param bool         $unique Should this be a unique key?.
 	 */
-	public function add_meta_data( $key, $value, $unique = false ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
+	public function add_meta_data($key, $value, $unique = false) {
+		if ($this->is_internal_meta_key($key)) {
 			$function = 'set_' . $key;
 
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
+			if (is_callable(array($this, $function))) {
+				return $this->{$function}($value);
 			}
 		}
 
 		$this->maybe_read_meta_data();
-		if ( $unique ) {
-			$this->delete_meta_data( $key );
+		if ($unique) {
+			$this->delete_meta_data($key);
 		}
 		$this->meta_data[] = new GetPaid_Meta_Data(
 			array(
@@ -517,12 +517,12 @@ 
 	 * @param  string|array $value Meta value.
 	 * @param  int          $meta_id Meta ID.
 	 */
-	public function update_meta_data( $key, $value, $meta_id = 0 ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
+	public function update_meta_data($key, $value, $meta_id = 0) {
+		if ($this->is_internal_meta_key($key)) {
 			$function = 'set_' . $key;
 
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
+			if (is_callable(array($this, $function))) {
+				return $this->{$function}($value);
 			}
 		}
 
@@ -530,33 +530,33 @@ 
 
 		$array_key = false;
 
-		if ( $meta_id ) {
-			$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), $meta_id, true );
-			$array_key  = $array_keys ? current( $array_keys ) : false;
+		if ($meta_id) {
+			$array_keys = array_keys(wp_list_pluck($this->meta_data, 'id'), $meta_id, true);
+			$array_key  = $array_keys ? current($array_keys) : false;
 		} else {
 			// Find matches by key.
 			$matches = array();
-			foreach ( $this->meta_data as $meta_data_array_key => $meta ) {
-				if ( $meta->key === $key ) {
+			foreach ($this->meta_data as $meta_data_array_key => $meta) {
+				if ($meta->key === $key) {
 					$matches[] = $meta_data_array_key;
 				}
 			}
 
-			if ( ! empty( $matches ) ) {
+			if (!empty($matches)) {
 				// Set matches to null so only one key gets the new value.
-				foreach ( $matches as $meta_data_array_key ) {
-					$this->meta_data[ $meta_data_array_key ]->value = null;
+				foreach ($matches as $meta_data_array_key) {
+					$this->meta_data[$meta_data_array_key]->value = null;
 				}
-				$array_key = current( $matches );
+				$array_key = current($matches);
 			}
 		}
 
-		if ( false !== $array_key ) {
-			$meta        = $this->meta_data[ $array_key ];
+		if (false !== $array_key) {
+			$meta        = $this->meta_data[$array_key];
 			$meta->key   = $key;
 			$meta->value = $value;
 		} else {
-			$this->add_meta_data( $key, $value, true );
+			$this->add_meta_data($key, $value, true);
 		}
 	}
 
@@ -566,13 +566,13 @@ 
 	 * @since 1.0.19
 	 * @param string $key Meta key.
 	 */
-	public function delete_meta_data( $key ) {
+	public function delete_meta_data($key) {
 		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'key' ), $key, true );
+		$array_keys = array_keys(wp_list_pluck($this->meta_data, 'key'), $key, true);
 
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
+		if ($array_keys) {
+			foreach ($array_keys as $array_key) {
+				$this->meta_data[$array_key]->value = null;
 			}
 		}
 	}
@@ -583,13 +583,13 @@ 
 	 * @since 1.0.19
 	 * @param int $mid Meta ID.
 	 */
-	public function delete_meta_data_by_mid( $mid ) {
+	public function delete_meta_data_by_mid($mid) {
 		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), (int) $mid, true );
+		$array_keys = array_keys(wp_list_pluck($this->meta_data, 'id'), (int) $mid, true);
 
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
+		if ($array_keys) {
+			foreach ($array_keys as $array_key) {
+				$this->meta_data[$array_key]->value = null;
 			}
 		}
 	}
@@ -600,7 +600,7 @@ 
 	 * @since 1.0.19
 	 */
 	protected function maybe_read_meta_data() {
-		if ( is_null( $this->meta_data ) ) {
+		if (is_null($this->meta_data)) {
 			$this->read_meta_data();
 		}
 	}
@@ -612,41 +612,41 @@ 
 	 * @since 1.0.19
 	 * @param bool $force_read True to force a new DB read (and update cache).
 	 */
-	public function read_meta_data( $force_read = false ) {
+	public function read_meta_data($force_read = false) {
 
 		// Reset meta data.
 		$this->meta_data = array();
 
 		// Maybe abort early.
-		if ( ! $this->get_id() || ! $this->data_store ) {
+		if (!$this->get_id() || !$this->data_store) {
 			return;
 		}
 
 		// Only read from cache if the cache key is set.
 		$cache_key = null;
-		if ( ! $force_read && ! empty( $this->cache_group ) ) {
-			$cache_key     = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
-			$raw_meta_data = wp_cache_get( $cache_key, $this->cache_group );
+		if (!$force_read && !empty($this->cache_group)) {
+			$cache_key     = GetPaid_Cache_Helper::get_cache_prefix($this->cache_group) . GetPaid_Cache_Helper::get_cache_prefix('object_' . $this->get_id()) . 'object_meta_' . $this->get_id();
+			$raw_meta_data = wp_cache_get($cache_key, $this->cache_group);
 		}
 
 		// Should we force read?
-		if ( empty( $raw_meta_data ) ) {
-			$raw_meta_data = $this->data_store->read_meta( $this );
+		if (empty($raw_meta_data)) {
+			$raw_meta_data = $this->data_store->read_meta($this);
 
-			if ( ! empty( $cache_key ) ) {
-				wp_cache_set( $cache_key, $raw_meta_data, $this->cache_group );
+			if (!empty($cache_key)) {
+				wp_cache_set($cache_key, $raw_meta_data, $this->cache_group);
 			}
 }
 
 		// Set meta data.
-		if ( is_array( $raw_meta_data ) ) {
+		if (is_array($raw_meta_data)) {
 
-			foreach ( $raw_meta_data as $meta ) {
+			foreach ($raw_meta_data as $meta) {
 				$this->meta_data[] = new GetPaid_Meta_Data(
 					array(
 						'id'    => (int) $meta->meta_id,
 						'key'   => $meta->meta_key,
-						'value' => maybe_unserialize( $meta->meta_value ),
+						'value' => maybe_unserialize($meta->meta_value),
 					)
 				);
 			}
@@ -660,28 +660,28 @@ 
 	 * @since 1.0.19
 	 */
 	public function save_meta_data() {
-		if ( ! $this->data_store || is_null( $this->meta_data ) ) {
+		if (!$this->data_store || is_null($this->meta_data)) {
 			return;
 		}
-		foreach ( $this->meta_data as $array_key => $meta ) {
-			if ( is_null( $meta->value ) ) {
-				if ( ! empty( $meta->id ) ) {
-					$this->data_store->delete_meta( $this, $meta );
-					unset( $this->meta_data[ $array_key ] );
+		foreach ($this->meta_data as $array_key => $meta) {
+			if (is_null($meta->value)) {
+				if (!empty($meta->id)) {
+					$this->data_store->delete_meta($this, $meta);
+					unset($this->meta_data[$array_key]);
 				}
-			} elseif ( empty( $meta->id ) ) {
-				$meta->id = $this->data_store->add_meta( $this, $meta );
+			} elseif (empty($meta->id)) {
+				$meta->id = $this->data_store->add_meta($this, $meta);
 				$meta->apply_changes();
 			} else {
-				if ( $meta->get_changes() ) {
-					$this->data_store->update_meta( $this, $meta );
+				if ($meta->get_changes()) {
+					$this->data_store->update_meta($this, $meta);
 					$meta->apply_changes();
 				}
 			}
 		}
-		if ( ! empty( $this->cache_group ) ) {
-			$cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
-			wp_cache_delete( $cache_key, $this->cache_group );
+		if (!empty($this->cache_group)) {
+			$cache_key = GetPaid_Cache_Helper::get_cache_prefix($this->cache_group) . GetPaid_Cache_Helper::get_cache_prefix('object_' . $this->get_id()) . 'object_meta_' . $this->get_id();
+			wp_cache_delete($cache_key, $this->cache_group);
 		}
 	}
 
@@ -691,8 +691,8 @@ 
 	 * @since 1.0.19
 	 * @param int $id ID.
 	 */
-	public function set_id( $id ) {
-		$this->id = absint( $id );
+	public function set_id($id) {
+		$this->id = absint($id);
 	}
 
 	/**
@@ -702,10 +702,10 @@ 
 	 * @param string $status New status.
 	 * @return array details of change.
 	 */
-	public function set_status( $status ) {
+	public function set_status($status) {
         $old_status = $this->get_status();
 
-		$this->set_prop( 'status', $status );
+		$this->set_prop('status', $status);
 
 		return array(
 			'from' => $old_status,
@@ -721,7 +721,7 @@ 
 	public function set_defaults() {
 		$this->data    = $this->default_data;
 		$this->changes = array();
-		$this->set_object_read( false );
+		$this->set_object_read(false);
 	}
 
 	/**
@@ -730,7 +730,7 @@ 
 	 * @since 1.0.19
 	 * @param boolean $read Should read?.
 	 */
-	public function set_object_read( $read = true ) {
+	public function set_object_read($read = true) {
 		$this->object_read = (bool) $read;
 	}
 
@@ -755,33 +755,33 @@ 
 	 *
 	 * @return bool|WP_Error
 	 */
-	public function set_props( $props, $context = 'set' ) {
+	public function set_props($props, $context = 'set') {
 		$errors = false;
 
-		$props = wp_unslash( $props );
-		foreach ( $props as $prop => $value ) {
+		$props = wp_unslash($props);
+		foreach ($props as $prop => $value) {
 			try {
 				/**
 				 * Checks if the prop being set is allowed, and the value is not null.
 				 */
-				if ( is_null( $value ) || in_array( $prop, array( 'prop', 'date_prop', 'meta_data' ), true ) ) {
+				if (is_null($value) || in_array($prop, array('prop', 'date_prop', 'meta_data'), true)) {
 					continue;
 				}
 				$setter = "set_$prop";
 
-				if ( is_callable( array( $this, $setter ) ) ) {
-					$this->{$setter}( $value );
+				if (is_callable(array($this, $setter))) {
+					$this->{$setter}($value);
 				}
-			} catch ( Exception $e ) {
-				if ( ! $errors ) {
+			} catch (Exception $e) {
+				if (!$errors) {
 					$errors = new WP_Error();
 				}
-				$errors->add( $e->getCode(), $e->getMessage() );
+				$errors->add($e->getCode(), $e->getMessage());
 				$this->last_error = $e->getMessage();
 			}
 		}
 
-		return $errors && count( $errors->get_error_codes() ) ? $errors : true;
+		return $errors && count($errors->get_error_codes()) ? $errors : true;
 	}
 
 	/**
@@ -794,14 +794,14 @@ 
 	 * @param string $prop Name of prop to set.
 	 * @param mixed  $value Value of the prop.
 	 */
-	protected function set_prop( $prop, $value ) {
-		if ( array_key_exists( $prop, $this->data ) ) {
-			if ( true === $this->object_read ) {
-				if ( $value !== $this->data[ $prop ] || array_key_exists( $prop, $this->changes ) ) {
-					$this->changes[ $prop ] = $value;
+	protected function set_prop($prop, $value) {
+		if (array_key_exists($prop, $this->data)) {
+			if (true === $this->object_read) {
+				if ($value !== $this->data[$prop] || array_key_exists($prop, $this->changes)) {
+					$this->changes[$prop] = $value;
 				}
 			} else {
-				$this->data[ $prop ] = $value;
+				$this->data[$prop] = $value;
 			}
 		}
 	}
@@ -822,7 +822,7 @@ 
 	 * @since 1.0.19
 	 */
 	public function apply_changes() {
-		$this->data    = array_replace( $this->data, $this->changes );
+		$this->data    = array_replace($this->data, $this->changes);
 		$this->changes = array();
 	}
 
@@ -847,14 +847,14 @@ 
 	 * @param  string $context What the value is for. Valid values are view and edit.
 	 * @return mixed
 	 */
-	protected function get_prop( $prop, $context = 'view' ) {
+	protected function get_prop($prop, $context = 'view') {
 		$value = null;
 
-		if ( array_key_exists( $prop, $this->data ) ) {
-			$value = array_key_exists( $prop, $this->changes ) ? $this->changes[ $prop ] : $this->data[ $prop ];
+		if (array_key_exists($prop, $this->data)) {
+			$value = array_key_exists($prop, $this->changes) ? $this->changes[$prop] : $this->data[$prop];
 
-			if ( 'view' === $context ) {
-				$value = apply_filters( $this->get_hook_prefix() . $prop, $value, $this );
+			if ('view' === $context) {
+				$value = apply_filters($this->get_hook_prefix() . $prop, $value, $this);
 			}
 		}
 
@@ -868,13 +868,13 @@ 
 	 * @param string         $prop Name of prop to set.
 	 * @param string|integer $value Value of the prop.
 	 */
-	protected function set_date_prop( $prop, $value ) {
+	protected function set_date_prop($prop, $value) {
 
-		if ( empty( $value ) ) {
-			$this->set_prop( $prop, null );
+		if (empty($value)) {
+			$this->set_prop($prop, null);
 			return;
 		}
-		$this->set_prop( $prop, $value );
+		$this->set_prop($prop, $value);
 
 	}
 
@@ -885,7 +885,7 @@ 
 	 * @param string $code             Error code.
 	 * @param string $message          Error message.
 	 */
-	protected function error( $code, $message ) {
+	protected function error($code, $message) {
 		$this->last_error = $message;
 	}
 
@@ -897,7 +897,7 @@ 
 	 */
 	public function exists() {
 		$id = $this->get_id();
-		return ! empty( $id );
+		return !empty($id);
 	}
 
 }