AyeCode / invoicing

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

Spacing +244 added lines, -244 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Post types Admin Class
@@ -21,74 +21,74 @@ 
 		GetPaid_Metaboxes::init();
 
 		// Filter the post updated messages.
-		add_filter( 'post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages' );
+		add_filter('post_updated_messages', 'GetPaid_Post_Types_Admin::post_updated_messages');
 
 		// Filter post actions.
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2 );
-		add_filter( 'post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2 );
+		add_filter('post_row_actions', 'GetPaid_Post_Types_Admin::post_row_actions', 10, 2);
+		add_filter('post_row_actions', 'GetPaid_Post_Types_Admin::filter_invoice_row_actions', 90, 2);
 
 		// Invoice table columns.
-		add_filter( 'manage_wpi_invoice_posts_columns', array( __CLASS__, 'invoice_columns' ), 100 );
-		add_action( 'manage_wpi_invoice_posts_custom_column', array( __CLASS__, 'display_invoice_columns' ), 10, 2 );
-		add_filter( 'bulk_actions-edit-wpi_invoice', array( __CLASS__, 'invoice_bulk_actions' ) );
-		add_filter( 'handle_bulk_actions-edit-wpi_invoice', array( __CLASS__, 'handle_invoice_bulk_actions' ), 10, 3 );
+		add_filter('manage_wpi_invoice_posts_columns', array(__CLASS__, 'invoice_columns'), 100);
+		add_action('manage_wpi_invoice_posts_custom_column', array(__CLASS__, 'display_invoice_columns'), 10, 2);
+		add_filter('bulk_actions-edit-wpi_invoice', array(__CLASS__, 'invoice_bulk_actions'));
+		add_filter('handle_bulk_actions-edit-wpi_invoice', array(__CLASS__, 'handle_invoice_bulk_actions'), 10, 3);
 
 		// Items table columns.
-		add_filter( 'manage_wpi_item_posts_columns', array( __CLASS__, 'item_columns' ), 100 );
-		add_filter( 'manage_edit-wpi_item_sortable_columns', array( __CLASS__, 'sortable_item_columns' ), 20 );
-		add_action( 'manage_wpi_item_posts_custom_column', array( __CLASS__, 'display_item_columns' ), 10, 2 );
-		add_action( 'restrict_manage_posts', array( __CLASS__, 'add_item_filters' ), 100 );
-		add_action( 'parse_query', array( __CLASS__, 'filter_item_query' ), 100 );
-		add_action( 'request', array( __CLASS__, 'reorder_items' ), 100 );
+		add_filter('manage_wpi_item_posts_columns', array(__CLASS__, 'item_columns'), 100);
+		add_filter('manage_edit-wpi_item_sortable_columns', array(__CLASS__, 'sortable_item_columns'), 20);
+		add_action('manage_wpi_item_posts_custom_column', array(__CLASS__, 'display_item_columns'), 10, 2);
+		add_action('restrict_manage_posts', array(__CLASS__, 'add_item_filters'), 100);
+		add_action('parse_query', array(__CLASS__, 'filter_item_query'), 100);
+		add_action('request', array(__CLASS__, 'reorder_items'), 100);
 
 		// Payment forms columns.
-		add_filter( 'manage_wpi_payment_form_posts_columns', array( __CLASS__, 'payment_form_columns' ), 100 );
-		add_action( 'manage_wpi_payment_form_posts_custom_column', array( __CLASS__, 'display_payment_form_columns' ), 10, 2 );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_payment_form_state' ), 10, 2 );
+		add_filter('manage_wpi_payment_form_posts_columns', array(__CLASS__, 'payment_form_columns'), 100);
+		add_action('manage_wpi_payment_form_posts_custom_column', array(__CLASS__, 'display_payment_form_columns'), 10, 2);
+		add_filter('display_post_states', array(__CLASS__, 'filter_payment_form_state'), 10, 2);
 
 		// Discount table columns.
-		add_filter( 'manage_wpi_discount_posts_columns', array( __CLASS__, 'discount_columns' ), 100 );
-		add_filter( 'bulk_actions-edit-wpi_discount', '__return_empty_array', 100 );
+		add_filter('manage_wpi_discount_posts_columns', array(__CLASS__, 'discount_columns'), 100);
+		add_filter('bulk_actions-edit-wpi_discount', '__return_empty_array', 100);
 
 		// Deleting posts.
-		add_action( 'delete_post', array( __CLASS__, 'delete_post' ) );
-		add_filter( 'display_post_states', array( __CLASS__, 'filter_discount_state' ), 10, 2 );
+		add_action('delete_post', array(__CLASS__, 'delete_post'));
+		add_filter('display_post_states', array(__CLASS__, 'filter_discount_state'), 10, 2);
 
-		add_filter( 'display_post_states', array( __CLASS__, 'add_display_post_states' ), 10, 2 );
+		add_filter('display_post_states', array(__CLASS__, 'add_display_post_states'), 10, 2);
 	}
 
 	/**
 	 * Post updated messages.
 	 */
-	public static function post_updated_messages( $messages ) {
+	public static function post_updated_messages($messages) {
 		global $post;
 
 		$messages['wpi_discount'] = array(
 			0  => '',
-			1  => __( 'Discount updated.', 'invoicing' ),
-			2  => __( 'Custom field updated.', 'invoicing' ),
-			3  => __( 'Custom field deleted.', 'invoicing' ),
-			4  => __( 'Discount updated.', 'invoicing' ),
-			5  => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Discount restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6  => __( 'Discount updated.', 'invoicing' ),
-			7  => __( 'Discount saved.', 'invoicing' ),
-			8  => __( 'Discount submitted.', 'invoicing' ),
-			9  => wp_sprintf( __( 'Discount scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10 => __( 'Discount draft updated.', 'invoicing' ),
+			1  => __('Discount updated.', 'invoicing'),
+			2  => __('Custom field updated.', 'invoicing'),
+			3  => __('Custom field deleted.', 'invoicing'),
+			4  => __('Discount updated.', 'invoicing'),
+			5  => isset($_GET['revision']) ? wp_sprintf(__('Discount restored to revision from %s', 'invoicing'), wp_post_revision_title((int) $_GET['revision'], false)) : false,
+			6  => __('Discount updated.', 'invoicing'),
+			7  => __('Discount saved.', 'invoicing'),
+			8  => __('Discount submitted.', 'invoicing'),
+			9  => wp_sprintf(__('Discount scheduled for: <strong>%1$s</strong>.', 'invoicing'), date_i18n(__('M j, Y @ G:i', 'invoicing'), strtotime($post->post_date))),
+			10 => __('Discount draft updated.', 'invoicing'),
 		);
 
 		$messages['wpi_payment_form'] = array(
 			0  => '',
-			1  => __( 'Payment Form updated.', 'invoicing' ),
-			2  => __( 'Custom field updated.', 'invoicing' ),
-			3  => __( 'Custom field deleted.', 'invoicing' ),
-			4  => __( 'Payment Form updated.', 'invoicing' ),
-			5  => isset( $_GET['revision'] ) ? wp_sprintf( __( 'Payment Form restored to revision from %s', 'invoicing' ), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
-			6  => __( 'Payment Form updated.', 'invoicing' ),
-			7  => __( 'Payment Form saved.', 'invoicing' ),
-			8  => __( 'Payment Form submitted.', 'invoicing' ),
-			9  => wp_sprintf( __( 'Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing' ), date_i18n( __( 'M j, Y @ G:i', 'invoicing' ), strtotime( $post->post_date ) ) ),
-			10 => __( 'Payment Form draft updated.', 'invoicing' ),
+			1  => __('Payment Form updated.', 'invoicing'),
+			2  => __('Custom field updated.', 'invoicing'),
+			3  => __('Custom field deleted.', 'invoicing'),
+			4  => __('Payment Form updated.', 'invoicing'),
+			5  => isset($_GET['revision']) ? wp_sprintf(__('Payment Form restored to revision from %s', 'invoicing'), wp_post_revision_title((int) $_GET['revision'], false)) : false,
+			6  => __('Payment Form updated.', 'invoicing'),
+			7  => __('Payment Form saved.', 'invoicing'),
+			8  => __('Payment Form submitted.', 'invoicing'),
+			9  => wp_sprintf(__('Payment Form scheduled for: <strong>%1$s</strong>.', 'invoicing'), date_i18n(__('M j, Y @ G:i', 'invoicing'), strtotime($post->post_date))),
+			10 => __('Payment Form draft updated.', 'invoicing'),
 		);
 
 		return $messages;
@@ -98,16 +98,16 @@ 
 	/**
 	 * Post row actions.
 	 */
-	public static function post_row_actions( $actions, $post ) {
+	public static function post_row_actions($actions, $post) {
 
-		$post = get_post( $post );
+		$post = get_post($post);
 
 		// We do not want to edit the default payment form.
-		if ( 'wpi_payment_form' == $post->post_type ) {
+		if ('wpi_payment_form' == $post->post_type) {
 
-			if ( $post->ID == wpinv_get_default_payment_form() ) {
-				unset( $actions['trash'] );
-				unset( $actions['inline hide-if-no-js'] );
+			if ($post->ID == wpinv_get_default_payment_form()) {
+				unset($actions['trash']);
+				unset($actions['inline hide-if-no-js']);
 			}
 
 			$actions['duplicate'] = sprintf(
@@ -124,20 +124,20 @@ 
 						'getpaid-nonce'
 					)
 				),
-				esc_html( __( 'Duplicate', 'invoicing' ) )
+				esc_html(__('Duplicate', 'invoicing'))
 			);
 
 		}
 
 		// Link to item payment form.
-		if ( 'wpi_item' == $post->post_type ) {
+		if ('wpi_item' == $post->post_type) {
 
-			if ( in_array( get_post_meta( $post->ID, '_wpinv_type', true ), array( '', 'fee', 'custom' ) ) ) {
+			if (in_array(get_post_meta($post->ID, '_wpinv_type', true), array('', 'fee', 'custom'))) {
 
 				$actions['buy'] = sprintf(
 					'<a href="%1$s">%2$s</a>',
-					esc_url( getpaid_embed_url( false, $post->ID . '|0' ) ),
-					esc_html( __( 'Buy', 'invoicing' ) )
+					esc_url(getpaid_embed_url(false, $post->ID . '|0')),
+					esc_html(__('Buy', 'invoicing'))
 				);
 
 			}
@@ -154,27 +154,27 @@ 
 	 * @param WP_Post $post
      * @return array $actions actions without edit option
      */
-    public static function filter_invoice_row_actions( $actions, $post ) {
+    public static function filter_invoice_row_actions($actions, $post) {
 
-        if ( getpaid_is_invoice_post_type( $post->post_type ) ) {
+        if (getpaid_is_invoice_post_type($post->post_type)) {
 
 			$actions = array();
-			$invoice = new WPInv_Invoice( $post );
+			$invoice = new WPInv_Invoice($post);
 
 			$actions['edit'] = sprintf(
 				'<a href="%1$s">%2$s</a>',
-				esc_url( get_edit_post_link( $invoice->get_id() ) ),
-				esc_html( __( 'Edit', 'invoicing' ) )
+				esc_url(get_edit_post_link($invoice->get_id())),
+				esc_html(__('Edit', 'invoicing'))
 			);
 
-			if ( ! $invoice->is_draft() ) {
+			if (!$invoice->is_draft()) {
 
 				$actions['view'] = sprintf(
 					'<a href="%1$s">%2$s</a>',
-					esc_url( $invoice->get_view_url() ),
+					esc_url($invoice->get_view_url()),
 					sprintf(
-						esc_html( __( 'View %s', 'invoicing' ) ),
-						getpaid_get_post_type_label( $invoice->get_post_type(), false )
+						esc_html(__('View %s', 'invoicing')),
+						getpaid_get_post_type_label($invoice->get_post_type(), false)
 					)
 				);
 
@@ -192,7 +192,7 @@ 
 							'getpaid-nonce'
 						)
 					),
-					esc_html( __( 'Send to Customer', 'invoicing' ) )
+					esc_html(__('Send to Customer', 'invoicing'))
 				);
 
 			}
@@ -211,7 +211,7 @@ 
 						'getpaid-nonce'
 					)
 				),
-				esc_html( __( 'Duplicate', 'invoicing' ) )
+				esc_html(__('Duplicate', 'invoicing'))
 			);
 
         }
@@ -222,42 +222,42 @@ 
 	/**
 	 * Returns an array of invoice table columns.
 	 */
-	public static function invoice_columns( $columns ) {
+	public static function invoice_columns($columns) {
 
 		$columns = array(
 			'cb'           => $columns['cb'],
-			'number'       => __( 'Invoice', 'invoicing' ),
-			'customer'     => __( 'Customer', 'invoicing' ),
-			'invoice_date' => __( 'Created', 'invoicing' ),
-			'payment_date' => __( 'Completed', 'invoicing' ),
-			'amount'       => __( 'Amount', 'invoicing' ),
-			'recurring'    => __( 'Recurring', 'invoicing' ),
-			'status'       => __( 'Status', 'invoicing' ),
+			'number'       => __('Invoice', 'invoicing'),
+			'customer'     => __('Customer', 'invoicing'),
+			'invoice_date' => __('Created', 'invoicing'),
+			'payment_date' => __('Completed', 'invoicing'),
+			'amount'       => __('Amount', 'invoicing'),
+			'recurring'    => __('Recurring', 'invoicing'),
+			'status'       => __('Status', 'invoicing'),
 		);
 
-		return apply_filters( 'wpi_invoice_table_columns', $columns );
+		return apply_filters('wpi_invoice_table_columns', $columns);
 	}
 
 	/**
 	 * Displays invoice table columns.
 	 */
-	public static function display_invoice_columns( $column_name, $post_id ) {
+	public static function display_invoice_columns($column_name, $post_id) {
 
-		$invoice = new WPInv_Invoice( $post_id );
+		$invoice = new WPInv_Invoice($post_id);
 
-		switch ( $column_name ) {
+		switch ($column_name) {
 
 			case 'invoice_date':
-				$date_time = esc_attr( $invoice->get_created_date() );
-				$date      = esc_html( getpaid_format_date_value( $date_time, '&mdash;', true ) );
-				echo wp_kses_post( "<span title='$date_time'>$date</span>" );
+				$date_time = esc_attr($invoice->get_created_date());
+				$date      = esc_html(getpaid_format_date_value($date_time, '&mdash;', true));
+				echo wp_kses_post("<span title='$date_time'>$date</span>");
 				break;
 
 			case 'payment_date':
-				if ( $invoice->is_paid() ) {
-					$date_time = esc_attr( $invoice->get_completed_date() );
-					$date      = esc_html( getpaid_format_date_value( $date_time, '&mdash;', true ) );
-					echo wp_kses_post( "<span title='$date_time'>$date</span>" );
+				if ($invoice->is_paid()) {
+					$date_time = esc_attr($invoice->get_completed_date());
+					$date      = esc_html(getpaid_format_date_value($date_time, '&mdash;', true));
+					echo wp_kses_post("<span title='$date_time'>$date</span>");
 				} else {
 					echo '&mdash;';
 				}
@@ -266,61 +266,61 @@ 
 
 			case 'amount':
 				$amount = $invoice->get_total();
-				$formated_amount = wp_kses_post( wpinv_price( $amount, $invoice->get_currency() ) );
+				$formated_amount = wp_kses_post(wpinv_price($amount, $invoice->get_currency()));
 
-				if ( $invoice->is_refunded() ) {
-					$refunded_amount = wpinv_price( 0, $invoice->get_currency() );
-					echo wp_kses_post( "<del>$formated_amount</del>&nbsp;<ins>$refunded_amount</ins>" );
+				if ($invoice->is_refunded()) {
+					$refunded_amount = wpinv_price(0, $invoice->get_currency());
+					echo wp_kses_post("<del>$formated_amount</del>&nbsp;<ins>$refunded_amount</ins>");
 				} else {
 
 					$discount = $invoice->get_total_discount();
 
-					if ( ! empty( $discount ) ) {
-						$new_amount = wpinv_price( $amount + $discount, $invoice->get_currency() );
-						echo wp_kses_post( "<del>$new_amount</del>&nbsp;<ins>$formated_amount</ins>" );
+					if (!empty($discount)) {
+						$new_amount = wpinv_price($amount + $discount, $invoice->get_currency());
+						echo wp_kses_post("<del>$new_amount</del>&nbsp;<ins>$formated_amount</ins>");
 					} else {
-						echo wp_kses_post( $formated_amount );
+						echo wp_kses_post($formated_amount);
 					}
 				}
 
 				break;
 
 			case 'status':
-				$status       = esc_html( $invoice->get_status() );
-				$status_label = esc_html( $invoice->get_status_nicename() );
+				$status       = esc_html($invoice->get_status());
+				$status_label = esc_html($invoice->get_status_nicename());
 
 				// If it is paid, show the gateway title.
-				if ( $invoice->is_paid() ) {
-					$gateway = esc_html( $invoice->get_gateway_title() );
-					$gateway = wp_sprintf( esc_attr__( 'Paid via %s', 'invoicing' ), esc_html( $gateway ) );
+				if ($invoice->is_paid()) {
+					$gateway = esc_html($invoice->get_gateway_title());
+					$gateway = wp_sprintf(esc_attr__('Paid via %s', 'invoicing'), esc_html($gateway));
 
-					echo wp_kses_post( "<mark class='wpi-help-tip getpaid-invoice-status $status' title='$gateway'><span>$status_label</span></mark>" );
+					echo wp_kses_post("<mark class='wpi-help-tip getpaid-invoice-status $status' title='$gateway'><span>$status_label</span></mark>");
 				} else {
-					echo wp_kses_post( "<mark class='getpaid-invoice-status $status'><span>$status_label</span></mark>" );
+					echo wp_kses_post("<mark class='getpaid-invoice-status $status'><span>$status_label</span></mark>");
 				}
 
 				// If it is not paid, display the overdue and view status.
-				if ( ! $invoice->is_paid() && ! $invoice->is_refunded() ) {
+				if (!$invoice->is_paid() && !$invoice->is_refunded()) {
 
 					// Invoice view status.
-					if ( wpinv_is_invoice_viewed( $invoice->get_id() ) ) {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="' . esc_attr__( 'Viewed by Customer', 'invoicing' ) . '"></i>';
+					if (wpinv_is_invoice_viewed($invoice->get_id())) {
+						echo '&nbsp;&nbsp;<i class="fa fa-eye wpi-help-tip" title="' . esc_attr__('Viewed by Customer', 'invoicing') . '"></i>';
 					} else {
-						echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="' . esc_attr__( 'Not Viewed by Customer', 'invoicing' ) . '"></i>';
+						echo '&nbsp;&nbsp;<i class="fa fa-eye-slash wpi-help-tip" title="' . esc_attr__('Not Viewed by Customer', 'invoicing') . '"></i>';
 					}
 
 					// Display the overview status.
-					if ( wpinv_get_option( 'overdue_active' ) ) {
+					if (wpinv_get_option('overdue_active')) {
 						$due_date = $invoice->get_due_date();
-						$fomatted = getpaid_format_date( $due_date );
+						$fomatted = getpaid_format_date($due_date);
 
-						if ( ! empty( $fomatted ) ) {
+						if (!empty($fomatted)) {
 							$date = wp_sprintf(
 								// translators: %s is the due date.
-								__( 'Due %s', 'invoicing' ),
+								__('Due %s', 'invoicing'),
 								$fomatted
 							);
-							echo wp_kses_post( "<p class='description' style='color: #888;' title='$due_date'>$fomatted</p>" );
+							echo wp_kses_post("<p class='description' style='color: #888;' title='$due_date'>$fomatted</p>");
 						}
 					}
 				}
@@ -328,7 +328,7 @@ 
 				break;
 
 			case 'recurring':
-				if ( $invoice->is_recurring() ) {
+				if ($invoice->is_recurring()) {
 					echo '<i class="fa fa-check" style="color:#43850a;"></i>';
 				} else {
 					echo '<i class="fa fa-times" style="color:#616161;"></i>';
@@ -336,26 +336,26 @@ 
 				break;
 
 			case 'number':
-				$edit_link       = esc_url( get_edit_post_link( $invoice->get_id() ) );
-				$invoice_number  = esc_html( $invoice->get_number() );
-				$invoice_details = esc_attr__( 'View Invoice Details', 'invoicing' );
+				$edit_link       = esc_url(get_edit_post_link($invoice->get_id()));
+				$invoice_number  = esc_html($invoice->get_number());
+				$invoice_details = esc_attr__('View Invoice Details', 'invoicing');
 
-				echo wp_kses_post( "<a href='$edit_link' title='$invoice_details'><strong>$invoice_number</strong></a>" );
+				echo wp_kses_post("<a href='$edit_link' title='$invoice_details'><strong>$invoice_number</strong></a>");
 
-				do_action( 'getpaid_admin_table_invoice_number_column', $invoice );
+				do_action('getpaid_admin_table_invoice_number_column', $invoice);
 				break;
 
 			case 'customer':
 				$customer_name = $invoice->get_user_full_name();
 
-				if ( empty( $customer_name ) ) {
+				if (empty($customer_name)) {
 					$customer_name = $invoice->get_email();
 				}
 
-				if ( ! empty( $customer_name ) ) {
-					$customer_details = esc_attr__( 'View Customer Details', 'invoicing' );
-					$view_link        = esc_url( add_query_arg( 'user_id', $invoice->get_user_id(), admin_url( 'user-edit.php' ) ) );
-					echo wp_kses_post( "<a href='$view_link' title='$customer_details'><span>$customer_name</span></a>" );
+				if (!empty($customer_name)) {
+					$customer_details = esc_attr__('View Customer Details', 'invoicing');
+					$view_link        = esc_url(add_query_arg('user_id', $invoice->get_user_id(), admin_url('user-edit.php')));
+					echo wp_kses_post("<a href='$view_link' title='$customer_details'><span>$customer_name</span></a>");
 				} else {
 					echo '<div>&mdash;</div>';
 				}
@@ -369,19 +369,19 @@ 
 	/**
 	 * Displays invoice bulk actions.
 	 */
-	public static function invoice_bulk_actions( $actions ) {
-		$actions['resend-invoice'] = __( 'Send to Customer', 'invoicing' );
+	public static function invoice_bulk_actions($actions) {
+		$actions['resend-invoice'] = __('Send to Customer', 'invoicing');
 		return $actions;
 	}
 
 	/**
 	 * Processes invoice bulk actions.
 	 */
-	public static function handle_invoice_bulk_actions( $redirect_url, $action, $post_ids ) {
+	public static function handle_invoice_bulk_actions($redirect_url, $action, $post_ids) {
 
-		if ( 'resend-invoice' === $action ) {
-			foreach ( $post_ids as $post_id ) {
-				getpaid()->get( 'invoice_emails' )->user_invoice( new WPInv_Invoice( $post_id ), true );
+		if ('resend-invoice' === $action) {
+			foreach ($post_ids as $post_id) {
+				getpaid()->get('invoice_emails')->user_invoice(new WPInv_Invoice($post_id), true);
 			}
 		}
 
@@ -392,49 +392,49 @@ 
 	/**
 	 * Returns an array of payment forms table columns.
 	 */
-	public static function payment_form_columns( $columns ) {
+	public static function payment_form_columns($columns) {
 
 		$columns = array(
 			'cb'        => $columns['cb'],
-			'title'     => __( 'Name', 'invoicing' ),
-			'shortcode' => __( 'Shortcode', 'invoicing' ),
-			'earnings'  => __( 'Revenue', 'invoicing' ),
-			'refunds'   => __( 'Refunded', 'invoicing' ),
-			'items'     => __( 'Items', 'invoicing' ),
-			'date'      => __( 'Date', 'invoicing' ),
+			'title'     => __('Name', 'invoicing'),
+			'shortcode' => __('Shortcode', 'invoicing'),
+			'earnings'  => __('Revenue', 'invoicing'),
+			'refunds'   => __('Refunded', 'invoicing'),
+			'items'     => __('Items', 'invoicing'),
+			'date'      => __('Date', 'invoicing'),
 		);
 
-		return apply_filters( 'wpi_payment_form_table_columns', $columns );
+		return apply_filters('wpi_payment_form_table_columns', $columns);
 
 	}
 
 	/**
 	 * Displays payment form table columns.
 	 */
-	public static function display_payment_form_columns( $column_name, $post_id ) {
+	public static function display_payment_form_columns($column_name, $post_id) {
 
 		// Retrieve the payment form.
-		$form = new GetPaid_Payment_Form( $post_id );
+		$form = new GetPaid_Payment_Form($post_id);
 
-		switch ( $column_name ) {
+		switch ($column_name) {
 
 			case 'earnings':
-				echo wp_kses_post( wpinv_price( $form->get_earned() ) );
+				echo wp_kses_post(wpinv_price($form->get_earned()));
 				break;
 
 			case 'refunds':
-				echo wp_kses_post( wpinv_price( $form->get_refunded() ) );
+				echo wp_kses_post(wpinv_price($form->get_refunded()));
 				break;
 
 			case 'refunds':
-				echo wp_kses_post( wpinv_price( $form->get_refunded() ) );
+				echo wp_kses_post(wpinv_price($form->get_refunded()));
 				break;
 
 			case 'shortcode':
-				if ( $form->is_default() ) {
+				if ($form->is_default()) {
 					echo '&mdash;';
 				} else {
-					echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr( $form->get_id() ) . ']" style="width: 100%;" readonly/>';
+					echo '<input onClick="this.select()" type="text" value="[getpaid form=' . esc_attr($form->get_id()) . ']" style="width: 100%;" readonly/>';
 				}
 
 				break;
@@ -442,28 +442,28 @@ 
 			case 'items':
 				$items = $form->get_items();
 
-				if ( $form->is_default() || empty( $items ) ) {
+				if ($form->is_default() || empty($items)) {
 					echo '&mdash;';
 					return;
 				}
 
 				$_items = array();
 
-				foreach ( $items as $item ) {
+				foreach ($items as $item) {
 					$url = $item->get_edit_url();
 
-					if ( empty( $url ) ) {
-						$_items[] = esc_html( $item->get_name() );
+					if (empty($url)) {
+						$_items[] = esc_html($item->get_name());
 					} else {
 						$_items[] = sprintf(
 							'<a href="%s">%s</a>',
-							esc_url( $url ),
-							esc_html( $item->get_name() )
+							esc_url($url),
+							esc_html($item->get_name())
 						);
 					}
 }
 
-				echo wp_kses_post( implode( '<br>', $_items ) );
+				echo wp_kses_post(implode('<br>', $_items));
 
 				break;
 
@@ -474,10 +474,10 @@ 
 	/**
 	 * Filters post states.
 	 */
-	public static function filter_payment_form_state( $post_states, $post ) {
+	public static function filter_payment_form_state($post_states, $post) {
 
-		if ( 'wpi_payment_form' === $post->post_type && wpinv_get_default_payment_form() === $post->ID ) {
-			$post_states['default_form'] = __( 'Default Payment Form', 'invoicing' );
+		if ('wpi_payment_form' === $post->post_type && wpinv_get_default_payment_form() === $post->ID) {
+			$post_states['default_form'] = __('Default Payment Form', 'invoicing');
 		}
 
 		return $post_states;
@@ -487,35 +487,35 @@ 
 	/**
 	 * Returns an array of coupon table columns.
 	 */
-	public static function discount_columns( $columns ) {
+	public static function discount_columns($columns) {
 
 		$columns = array(
 			'cb'          => $columns['cb'],
-			'title'       => __( 'Name', 'invoicing' ),
-			'code'        => __( 'Code', 'invoicing' ),
-			'amount'      => __( 'Amount', 'invoicing' ),
-			'usage'       => __( 'Usage / Limit', 'invoicing' ),
-			'start_date'  => __( 'Start Date', 'invoicing' ),
-			'expiry_date' => __( 'Expiry Date', 'invoicing' ),
+			'title'       => __('Name', 'invoicing'),
+			'code'        => __('Code', 'invoicing'),
+			'amount'      => __('Amount', 'invoicing'),
+			'usage'       => __('Usage / Limit', 'invoicing'),
+			'start_date'  => __('Start Date', 'invoicing'),
+			'expiry_date' => __('Expiry Date', 'invoicing'),
 		);
 
-		return apply_filters( 'wpi_discount_table_columns', $columns );
+		return apply_filters('wpi_discount_table_columns', $columns);
 	}
 
 	/**
 	 * Filters post states.
 	 */
-	public static function filter_discount_state( $post_states, $post ) {
+	public static function filter_discount_state($post_states, $post) {
 
-		if ( 'wpi_discount' === $post->post_type ) {
+		if ('wpi_discount' === $post->post_type) {
 
-			$discount = new WPInv_Discount( $post );
+			$discount = new WPInv_Discount($post);
 
 			$status = $discount->is_expired() ? 'expired' : $discount->get_status();
 
-			if ( 'publish' !== $status ) {
+			if ('publish' !== $status) {
 				return array(
-					'discount_status' => wpinv_discount_status( $status ),
+					'discount_status' => wpinv_discount_status($status),
 				);
 			}
 
@@ -530,30 +530,30 @@ 
 	/**
 	 * Returns an array of items table columns.
 	 */
-	public static function item_columns( $columns ) {
+	public static function item_columns($columns) {
 
 		$columns = array(
 			'cb'        => $columns['cb'],
-			'title'     => __( 'Name', 'invoicing' ),
-			'price'     => __( 'Price', 'invoicing' ),
-			'vat_rule'  => __( 'Tax Rule', 'invoicing' ),
-			'vat_class' => __( 'Tax Class', 'invoicing' ),
-			'type'      => __( 'Type', 'invoicing' ),
-			'shortcode' => __( 'Shortcode', 'invoicing' ),
+			'title'     => __('Name', 'invoicing'),
+			'price'     => __('Price', 'invoicing'),
+			'vat_rule'  => __('Tax Rule', 'invoicing'),
+			'vat_class' => __('Tax Class', 'invoicing'),
+			'type'      => __('Type', 'invoicing'),
+			'shortcode' => __('Shortcode', 'invoicing'),
 		);
 
-		if ( ! wpinv_use_taxes() ) {
-			unset( $columns['vat_rule'] );
-			unset( $columns['vat_class'] );
+		if (!wpinv_use_taxes()) {
+			unset($columns['vat_rule']);
+			unset($columns['vat_class']);
 		}
 
-		return apply_filters( 'wpi_item_table_columns', $columns );
+		return apply_filters('wpi_item_table_columns', $columns);
 	}
 
 	/**
 	 * Returns an array of sortable items table columns.
 	 */
-	public static function sortable_item_columns( $columns ) {
+	public static function sortable_item_columns($columns) {
 
 		return array_merge(
 			$columns,
@@ -570,45 +570,45 @@ 
 	/**
 	 * Displays items table columns.
 	 */
-	public static function display_item_columns( $column_name, $post_id ) {
+	public static function display_item_columns($column_name, $post_id) {
 
-		$item = new WPInv_Item( $post_id );
+		$item = new WPInv_Item($post_id);
 
-		switch ( $column_name ) {
+		switch ($column_name) {
 
 			case 'price':
-				if ( ! $item->is_recurring() ) {
-					echo wp_kses_post( $item->get_the_price() );
+				if (!$item->is_recurring()) {
+					echo wp_kses_post($item->get_the_price());
 					break;
 				}
 
 				$price = wp_sprintf(
-					__( '%1$s / %2$s', 'invoicing' ),
+					__('%1$s / %2$s', 'invoicing'),
 					$item->get_the_price(),
-					getpaid_get_subscription_period_label( $item->get_recurring_period(), $item->get_recurring_interval(), '' )
+					getpaid_get_subscription_period_label($item->get_recurring_period(), $item->get_recurring_interval(), '')
 				);
 
-				if ( $item->get_the_price() == $item->get_the_initial_price() ) {
-					echo wp_kses_post( $price );
+				if ($item->get_the_price() == $item->get_the_initial_price()) {
+					echo wp_kses_post($price);
 					break;
 				}
 
-				echo wp_kses_post( $item->get_the_initial_price() );
+				echo wp_kses_post($item->get_the_initial_price());
 
-				echo '<span class="meta">' . wp_sprintf( esc_html__( 'then %s', 'invoicing' ), wp_kses_post( $price ) ) . '</span>';
+				echo '<span class="meta">' . wp_sprintf(esc_html__('then %s', 'invoicing'), wp_kses_post($price)) . '</span>';
 				break;
 
 			case 'vat_rule':
-				echo wp_kses_post( getpaid_get_tax_rule_label( $item->get_vat_rule() ) );
+				echo wp_kses_post(getpaid_get_tax_rule_label($item->get_vat_rule()));
 				break;
 
 			case 'vat_class':
-				echo wp_kses_post( getpaid_get_tax_class_label( $item->get_vat_class() ) );
+				echo wp_kses_post(getpaid_get_tax_class_label($item->get_vat_class()));
 				break;
 
 			case 'shortcode':
-				if ( $item->is_type( array( '', 'fee', 'custom' ) ) ) {
-					echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr( $item->get_id() ) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
+				if ($item->is_type(array('', 'fee', 'custom'))) {
+					echo '<input onClick="this.select()" type="text" value="[getpaid item=' . esc_attr($item->get_id()) . ' button=\'Buy Now\']" style="width: 100%;" readonly/>';
 				} else {
 					echo '&mdash;';
 				}
@@ -616,7 +616,7 @@ 
 				break;
 
 			case 'type':
-				echo wp_kses_post( wpinv_item_type( $item->get_id() ) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>' );
+				echo wp_kses_post(wpinv_item_type($item->get_id()) . '<span class="meta">' . $item->get_custom_singular_name() . '</span>');
 				break;
 
 		}
@@ -626,21 +626,21 @@ 
 	/**
 	 * Lets users filter items using taxes.
 	 */
-	public static function add_item_filters( $post_type ) {
+	public static function add_item_filters($post_type) {
 
 		// Abort if we're not dealing with items.
-		if ( 'wpi_item' !== $post_type ) {
+		if ('wpi_item' !== $post_type) {
 			return;
 		}
 
 		// Filter by vat rules.
-		if ( wpinv_use_taxes() ) {
+		if (wpinv_use_taxes()) {
 
 			// Sanitize selected vat rule.
 			$vat_rule   = '';
 			$vat_rules  = getpaid_get_tax_rules();
-			if ( isset( $_GET['vat_rule'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
-				$vat_rule   = sanitize_text_field( $_GET['vat_rule'] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+			if (isset($_GET['vat_rule'])) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+				$vat_rule = sanitize_text_field($_GET['vat_rule']); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
 			}
 
 			// Filter by VAT rule.
@@ -648,13 +648,13 @@ 
 				array(
 					'options'          => array_merge(
 						array(
-							'' => __( 'All Tax Rules', 'invoicing' ),
+							'' => __('All Tax Rules', 'invoicing'),
 						),
 						$vat_rules
 					),
 					'name'             => 'vat_rule',
 					'id'               => 'vat_rule',
-					'selected'         => in_array( $vat_rule, array_keys( $vat_rules ), true ) ? $vat_rule : '',
+					'selected'         => in_array($vat_rule, array_keys($vat_rules), true) ? $vat_rule : '',
 					'show_option_all'  => false,
 					'show_option_none' => false,
 				)
@@ -665,21 +665,21 @@ 
 			// Sanitize selected vat rule.
 			$vat_class   = '';
 			$vat_classes = getpaid_get_tax_classes();
-			if ( isset( $_GET['vat_class'] ) ) {  // phpcs:ignore WordPress.Security.NonceVerification.Recommended
-				$vat_class   = sanitize_text_field( $_GET['vat_class'] );  // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+			if (isset($_GET['vat_class'])) {  // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+				$vat_class = sanitize_text_field($_GET['vat_class']); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
 			}
 
 			wpinv_html_select(
 				array(
 					'options'          => array_merge(
 						array(
-							'' => __( 'All Tax Classes', 'invoicing' ),
+							'' => __('All Tax Classes', 'invoicing'),
 						),
 						$vat_classes
 					),
 					'name'             => 'vat_class',
 					'id'               => 'vat_class',
-					'selected'         => in_array( $vat_class, array_keys( $vat_classes ), true ) ? $vat_class : '',
+					'selected'         => in_array($vat_class, array_keys($vat_classes), true) ? $vat_class : '',
 					'show_option_all'  => false,
 					'show_option_none' => false,
 				)
@@ -688,22 +688,22 @@ 
 		}
 
 		// Filter by item type.
-		$type   = '';
-		if ( isset( $_GET['type'] ) ) {  // phpcs:ignore WordPress.Security.NonceVerification.Recommended
-			$type   = sanitize_text_field( $_GET['type'] );  // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+		$type = '';
+		if (isset($_GET['type'])) {  // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+			$type = sanitize_text_field($_GET['type']); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
 		}
 
 		wpinv_html_select(
 			array(
 				'options'          => array_merge(
 					array(
-						'' => __( 'All item types', 'invoicing' ),
+						'' => __('All item types', 'invoicing'),
 					),
 					wpinv_get_item_types()
 				),
 				'name'             => 'type',
 				'id'               => 'type',
-				'selected'         => in_array( $type, wpinv_item_types(), true ) ? $type : '',
+				'selected'         => in_array($type, wpinv_item_types(), true) ? $type : '',
 				'show_option_all'  => false,
 				'show_option_none' => false,
 			)
@@ -714,45 +714,45 @@ 
 	/**
 	 * Filters the item query.
 	 */
-	public static function filter_item_query( $query ) {
+	public static function filter_item_query($query) {
 
 		// modify the query only if it admin and main query.
-		if ( ! ( is_admin() && $query->is_main_query() ) ) {
+		if (!(is_admin() && $query->is_main_query())) {
 			return $query;
 		}
 
 		// we want to modify the query for our items.
-		if ( empty( $query->query['post_type'] ) || 'wpi_item' !== $query->query['post_type'] ) {
+		if (empty($query->query['post_type']) || 'wpi_item' !== $query->query['post_type']) {
 			return $query;
 		}
 
-		if ( empty( $query->query_vars['meta_query'] ) ) {
+		if (empty($query->query_vars['meta_query'])) {
 			$query->query_vars['meta_query'] = array();
 		}
 
 		// Filter vat rule type
-        if ( ! empty( $_GET['vat_rule'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+        if (!empty($_GET['vat_rule'])) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_vat_rule',
-                'value'   => sanitize_text_field( $_GET['vat_rule'] ), // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+                'value'   => sanitize_text_field($_GET['vat_rule']), // phpcs:ignore WordPress.Security.NonceVerification.Recommended
                 'compare' => '=',
             );
         }
 
         // Filter vat class
-        if ( ! empty( $_GET['vat_class'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+        if (!empty($_GET['vat_class'])) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_vat_class',
-                'value'   => sanitize_text_field( $_GET['vat_class'] ), // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+                'value'   => sanitize_text_field($_GET['vat_class']), // phpcs:ignore WordPress.Security.NonceVerification.Recommended
                 'compare' => '=',
             );
         }
 
         // Filter item type
-        if ( ! empty( $_GET['type'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+        if (!empty($_GET['type'])) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
             $query->query_vars['meta_query'][] = array(
                 'key'     => '_wpinv_type',
-                'value'   => sanitize_text_field( $_GET['type'] ), // phpcs:ignore WordPress.Security.NonceVerification.Recommended
+                'value'   => sanitize_text_field($_GET['type']), // phpcs:ignore WordPress.Security.NonceVerification.Recommended
                 'compare' => '=',
             );
 		}
@@ -762,15 +762,15 @@ 
 	/**
 	 * Reorders items.
 	 */
-	public static function reorder_items( $vars ) {
+	public static function reorder_items($vars) {
 		global $typenow;
 
-		if ( 'wpi_item' !== $typenow || empty( $vars['orderby'] ) ) {
+		if ('wpi_item' !== $typenow || empty($vars['orderby'])) {
 			return $vars;
 		}
 
 		// By item type.
-		if ( 'type' === $vars['orderby'] ) {
+		if ('type' === $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -781,7 +781,7 @@ 
 		}
 
 		// By vat class.
-		if ( 'vat_class' === $vars['orderby'] ) {
+		if ('vat_class' === $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -792,7 +792,7 @@ 
 		}
 
 		// By vat rule.
-		if ( 'vat_rule' === $vars['orderby'] ) {
+		if ('vat_rule' === $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -803,7 +803,7 @@ 
 		}
 
 		// By price.
-		if ( 'price' === $vars['orderby'] ) {
+		if ('price' === $vars['orderby']) {
 			return array_merge(
 				$vars,
 				array(
@@ -820,27 +820,27 @@ 
 	/**
 	 * Fired when deleting a post.
 	 */
-	public static function delete_post( $post_id ) {
+	public static function delete_post($post_id) {
 
-		switch ( get_post_type( $post_id ) ) {
+		switch (get_post_type($post_id)) {
 
 			case 'wpi_item':
-				do_action( 'getpaid_before_delete_item', new WPInv_Item( $post_id ) );
+				do_action('getpaid_before_delete_item', new WPInv_Item($post_id));
 				break;
 
 			case 'wpi_payment_form':
-				do_action( 'getpaid_before_delete_payment_form', new GetPaid_Payment_Form( $post_id ) );
+				do_action('getpaid_before_delete_payment_form', new GetPaid_Payment_Form($post_id));
 				break;
 
 			case 'wpi_discount':
-				do_action( 'getpaid_before_delete_discount', new WPInv_Discount( $post_id ) );
+				do_action('getpaid_before_delete_discount', new WPInv_Discount($post_id));
 				break;
 
 			case 'wpi_invoice':
-				$invoice = new WPInv_Invoice( $post_id );
-				do_action( 'getpaid_before_delete_invoice', $invoice );
-				$invoice->get_data_store()->delete_items( $invoice );
-				$invoice->get_data_store()->delete_special_fields( $invoice );
+				$invoice = new WPInv_Invoice($post_id);
+				do_action('getpaid_before_delete_invoice', $invoice);
+				$invoice->get_data_store()->delete_items($invoice);
+				$invoice->get_data_store()->delete_special_fields($invoice);
 				break;
 		}
 	}
@@ -853,28 +853,28 @@ 
      *
      * @return mixed
      */
-    public static function add_display_post_states( $post_states, $post ) {
+    public static function add_display_post_states($post_states, $post) {
 
-        if ( wpinv_get_option( 'success_page', 0 ) == $post->ID ) {
-            $post_states['getpaid_success_page'] = __( 'GetPaid Receipt Page', 'invoicing' );
+        if (wpinv_get_option('success_page', 0) == $post->ID) {
+            $post_states['getpaid_success_page'] = __('GetPaid Receipt Page', 'invoicing');
         }
 
-		foreach ( getpaid_get_invoice_post_types() as $post_type => $label ) {
+		foreach (getpaid_get_invoice_post_types() as $post_type => $label) {
 
-			if ( wpinv_get_option( "{$post_type}_history_page", 0 ) == $post->ID ) {
-				$post_states[ "getpaid_{$post_type}_history_page" ] = sprintf(
-					__( 'GetPaid %s History Page', 'invoicing' ),
+			if (wpinv_get_option("{$post_type}_history_page", 0) == $post->ID) {
+				$post_states["getpaid_{$post_type}_history_page"] = sprintf(
+					__('GetPaid %s History Page', 'invoicing'),
 					$label
 				);
 			}
 }
 
-		if ( wpinv_get_option( 'invoice_subscription_page', 0 ) == $post->ID ) {
-            $post_states['getpaid_invoice_subscription_page'] = __( 'GetPaid Subscription Page', 'invoicing' );
+		if (wpinv_get_option('invoice_subscription_page', 0) == $post->ID) {
+            $post_states['getpaid_invoice_subscription_page'] = __('GetPaid Subscription Page', 'invoicing');
         }
 
-		if ( wpinv_get_option( 'checkout_page', 0 ) == $post->ID ) {
-            $post_states['getpaid_checkout_page'] = __( 'GetPaid Checkout Page', 'invoicing' );
+		if (wpinv_get_option('checkout_page', 0) == $post->ID) {
+            $post_states['getpaid_checkout_page'] = __('GetPaid Checkout Page', 'invoicing');
         }
 
         return $post_states;