translation_element_factory = $translation_element_factory; $this->media_usage_factory = $media_usage_factory; } public function add_hooks() { add_action( 'wpml_added_media_file_translation', [ $this, 'update_meta' ], PHP_INT_MAX, 3 ); } /** * @param int $original_attachment_id * @param string $file * @param string $language */ public function update_meta( $original_attachment_id, $file, $language ) { $media_usage = $this->media_usage_factory->create( $original_attachment_id ); $posts = $media_usage->get_posts(); foreach ( $posts as $source_post_id ) { $source_post = $this->translation_element_factory->create( $source_post_id, 'post' ); $original_attachment_element = $this->translation_element_factory->create( $original_attachment_id, 'post' ); $updated_attachment_element = $original_attachment_element->get_translation( $language ); if ( ! $updated_attachment_element ) { continue; } $meta_value = $this->get_translated_gallery( $source_post_id, $updated_attachment_element ); $this->update_gallery( $meta_value, $source_post, $updated_attachment_element ); } } /** * @param int $source_post_id * @param WPML_Post_Element $updated_attachment_element * * @return array */ private function get_translated_gallery( $source_post_id, WPML_Post_Element $updated_attachment_element ) { $meta_value = []; $original_gallery_meta = get_post_meta( $source_post_id, '_product_image_gallery', true ); if ( '' !== $original_gallery_meta ) { $original_gallery = explode( ',', $original_gallery_meta ); $original_gallery = array_filter( $original_gallery ); foreach ( $original_gallery as $original_attachment_id ) { $attachment_element = $this->translation_element_factory->create( $original_attachment_id, 'post' ); $translated_attachment = $attachment_element->get_translation( $updated_attachment_element->get_language_code() ); if ( null !== $translated_attachment ) { $meta_value[] = $translated_attachment->get_id(); } else { $meta_value[] = $original_attachment_id; } } } return $meta_value; } /** * @param array $meta_value * @param WPML_Post_Element $source_post * @param WPML_Post_Element $updated_attachment_element */ private function update_gallery( array $meta_value, WPML_Post_Element $source_post, WPML_Post_Element $updated_attachment_element ) { if ( ! empty( $meta_value ) ) { $translated_post = $source_post->get_translation( $updated_attachment_element->get_language_code() ); /** $translated_post could be null */ if ( $translated_post ) { $value = implode( ',', $meta_value ); update_post_meta( $translated_post->get_id(), '_product_image_gallery', $value ); } } } }