fix: Gallery image restriction was not working

includes/Dashboard/Templates/Products.php

@@ -490,6 +490,12 @@ public function handle_product_update() {
                     $field_value    = $field->sanitize( wp_unslash( $_POST[ $field_name ] ), $original_stock, $product ); //phpcs:ignore
                     break;
 
+                case ProductFormElements::GALLERY_IMAGE_IDS:
+                    $attachment_ids = isset( $_POST['gallery_image_ids'] ) ? apply_filters( 'dokan_restrict_product_gallery_images_on_edit', wp_unslash( $_POST['gallery_image_ids'] ) ) : '';
+                    $attachment_ids = array_filter( explode( ',', wc_clean( $attachment_ids ) ) );
+                    $field_value = $field->sanitize( implode( ',', $attachment_ids ), $product ); //phpcs:ignore
+                    break;
+
                 default:
                     // give a chance to other plugins to sanitize their data
                     $field_value = apply_filters( 'dokan_product_update_field_value', null, $field, wp_unslash( $_POST[ $field_name ] ), $product ); // phpcs:ignore

includes/wc-functions.php

@@ -31,10 +31,10 @@ function dokan_process_product_meta( int $post_id, array $data = [] ) {
     update_post_meta( $post_id, '_virtual', $is_virtual );
 
     // Gallery Images
-    if ( isset( $data['product_image_gallery'] ) ) {
-        $data = apply_filters( 'dokan_restrict_product_image_gallery_on_edit', $data );
+    if ( isset( $data['gallery_image_ids'] ) ) {
+        $data = apply_filters( 'dokan_restrict_product_gallery_images_on_edit', wp_unslash( $data['gallery_image_ids'] ) );
 
-        $attachment_ids = array_filter( explode( ',', wc_clean( $data['product_image_gallery'] ) ) );
+        $attachment_ids = array_filter( explode( ',', wc_clean( $data ) ) );
         update_post_meta( $post_id, '_product_image_gallery', implode( ',', $attachment_ids ) );
     }
 
@@ -302,7 +302,7 @@ function ( $value ) {
             $manage_stock = $data['_manage_stock'];
             $backorders   = wc_clean( $data['_backorders'] );
         }
-    
+
         update_post_meta( $post_id, '_manage_stock', $manage_stock );
         update_post_meta( $post_id, '_backorders', $backorders );
         if ( $stock_status ) {
@@ -312,7 +312,7 @@ function ( $value ) {
                 dokan_log( 'product stock update exception' );
             }
         }
-    
+
         // Retrieve original stock value from the hidden field
         $original_stock = isset( $data['_original_stock'] ) ? wc_stock_amount( wc_clean( $data['_original_stock'] ) ) : '';
         // Clean the current stock value
@@ -326,7 +326,7 @@ function ( $value ) {
                 wc_update_product_stock( $post_id, $stock_amount );
             }
         }
-    
+
         // Update low stock amount regardless of stock changes
         $_low_stock_amount = isset( $data['_low_stock_amount'] ) ? wc_clean( $data['_low_stock_amount'] ) : '';
         $_low_stock_amount = 'yes' === $manage_stock ? wc_stock_amount( wp_unslash( $_low_stock_amount ) ) : '';