[CYS] Fix regression and ensure AI-generated content is assigned to p…

…roducts after the third attempt (#12016)

* Fix restriction preventing the update of products with AI-generated content after the 3rd attempt.

* use set_slug rather than wp_update_post for updating the product permalink.

---------

Co-authored-by: Alba Rincón <alba.rincon@automattic.com>

src/Patterns/ProductUpdater.php

@@ -88,6 +88,12 @@ public function generate_content( $ai_connection, $token, $images, $business_des
 			return $dummy_products_to_update;
 		}
 
+		if ( empty( $dummy_products_to_update ) ) {
+			return array(
+				'product_content' => array(),
+			);
+		}
+
 		$products_information_list = $this->assign_ai_selected_images_to_dummy_products( $dummy_products_to_update, $images );
 
 		return $this->assign_ai_generated_content_to_dummy_products( $ai_connection, $token, $products_information_list, $business_description );
@@ -111,7 +117,6 @@ public function fetch_dummy_products_to_update() {
 		$dummy_products       = $this->fetch_product_ids( 'dummy' );
 		$dummy_products_count = count( $dummy_products );
 		$products_to_create   = max( 0, 6 - $real_products_count - $dummy_products_count );
-
 		while ( $products_to_create > 0 ) {
 			$this->create_new_product( self::DUMMY_PRODUCTS[ $products_to_create - 1 ] );
 			$products_to_create--;
@@ -300,40 +305,50 @@ public function update_product_content( $ai_generated_product_content ) {
 			return;
 		}
 
-		wp_update_post(
-			array(
-				'ID'           => $product->get_id(),
-				'post_title'   => $ai_generated_product_content['title'],
-				'post_content' => $ai_generated_product_content['description'],
-				'post_name'    => sanitize_title( $ai_generated_product_content['title'] ),
-				'meta_input'   => array(
-					'_regular_price' => $ai_generated_product_content['price'],
-				),
-			)
-		);
+		$product->set_name( $ai_generated_product_content['title'] );
+		$product->set_description( $ai_generated_product_content['description'] );
+		$product->set_regular_price( $ai_generated_product_content['price'] );
+		$product->set_slug( sanitize_title( $ai_generated_product_content['title'] ) );
+		$product->save();
 
-		if ( ! empty( $ai_generated_product_content['image']['src'] ) ) {
-			require_once ABSPATH . 'wp-admin/includes/media.php';
-			require_once ABSPATH . 'wp-admin/includes/file.php';
-			require_once ABSPATH . 'wp-admin/includes/image.php';
+		$update_product_image = $this->update_product_image( $product, $ai_generated_product_content );
 
-			// Since the media_sideload_image function is expensive and can take longer to complete
-			// the process of downloading the external image and uploading it to the media library,
-			// here we are increasing the time limit to avoid any issues.
-			set_time_limit( 150 );
-			wp_raise_memory_limit( 'image' );
+		if ( is_wp_error( $update_product_image ) ) {
+			return $update_product_image;
+		}
 
-			$product_image_id = media_sideload_image( $ai_generated_product_content['image']['src'], $product->get_id(), $ai_generated_product_content['image']['alt'], 'id' );
+		$this->create_hash_for_ai_modified_product( $product );
+	}
 
-			if ( is_wp_error( $product_image_id ) ) {
-				return $product_image_id->get_error_message();
-			}
+	/**
+	 * Update the product images with the AI-generated image.
+	 *
+	 * @param \WC_Product $product The product.
+	 * @param array       $ai_generated_product_content The AI-generated product content.
+	 *
+	 * @return string|true
+	 */
+	public function update_product_image( $product, $ai_generated_product_content ) {
+		require_once ABSPATH . 'wp-admin/includes/media.php';
+		require_once ABSPATH . 'wp-admin/includes/file.php';
+		require_once ABSPATH . 'wp-admin/includes/image.php';
+
+		// Since the media_sideload_image function is expensive and can take longer to complete
+		// the process of downloading the external image and uploading it to the media library,
+		// here we are increasing the time limit to avoid any issues.
+		set_time_limit( 150 );
+		wp_raise_memory_limit( 'image' );
 
-			$product->set_image_id( $product_image_id );
-			$product->save();
+		$product_image_id = media_sideload_image( $ai_generated_product_content['image']['src'], $product->get_id(), $ai_generated_product_content['image']['alt'], 'id' );
+
+		if ( is_wp_error( $product_image_id ) ) {
+			return $product_image_id->get_error_message();
 		}
 
-		$this->create_hash_for_ai_modified_product( $product );
+		$product->set_image_id( $product_image_id );
+		$product->save();
+
+		return true;
 	}
 
 	/**