protected function save_product_images( $product, $images ) {
		if ( is_array( $images ) ) {
			$gallery = array();

			foreach ( $images as $image ) {
				if ( isset( $image['position'] ) && 0 == $image['position'] ) {
					$attachment_id = isset( $image['id'] ) ? absint( $image['id'] ) : 0;

					if ( 0 === $attachment_id && isset( $image['src'] ) ) {
						$upload = $this->upload_product_image( esc_url_raw( $image['src'] ) );

						if ( is_wp_error( $upload ) ) {
							throw new WC_API_Exception( 'woocommerce_api_cannot_upload_product_image', $upload->get_error_message(), 400 );
						}

						$attachment_id = $this->set_product_image_as_attachment( $upload, $product->get_id() );
					}

					$product->set_image_id( $attachment_id );
				} else {
					$attachment_id = isset( $image['id'] ) ? absint( $image['id'] ) : 0;

					if ( 0 === $attachment_id && isset( $image['src'] ) ) {
						$upload = $this->upload_product_image( esc_url_raw( $image['src'] ) );

						if ( is_wp_error( $upload ) ) {
							throw new WC_API_Exception( 'woocommerce_api_cannot_upload_product_image', $upload->get_error_message(), 400 );
						}

						$gallery[] = $this->set_product_image_as_attachment( $upload, $product->get_id() );
					} else {
						$gallery[] = $attachment_id;
					}
				}
			}

			if ( ! empty( $gallery ) ) {
				$product->set_gallery_image_ids( $gallery );
			}
		} else {
			$product->set_image_id( '' );
			$product->set_gallery_image_ids( array() );
		}

		return $product;
	}