api_url, [ /** * Filters the parameters sent to the Critical CSS generator API * * @since 2.11 * @author Remy Perona * * @param array $params An array of parameters to send to the API. * @param array $item The item to process. */ 'body' => apply_filters( 'rocket_cpcss_job_request', [ 'url' => $item['url'], ], $item ), ] ); $transient = get_transient( 'rocket_critical_css_generation_process_running' ); if ( 400 === wp_remote_retrieve_response_code( $response ) ) { $data = json_decode( wp_remote_retrieve_body( $response ) ); if ( isset( $data->message ) ) { // translators: %1$s = type of content, %2$s = error message. $error = sprintf( __( 'Critical CSS for %1$s not generated. Error: %2$s', 'rocket' ), $item['type'], $data->message ); $error .= ' (' . date_i18n( get_option( 'date_format' ) ) . ' @ ' . date_i18n( get_option( 'time_format' ) ) . ') '; $transient['items'][] = $error; set_transient( 'rocket_critical_css_generation_process_running', $transient, HOUR_IN_SECONDS ); } return false; } if ( 200 !== wp_remote_retrieve_response_code( $response ) ) { // translators: %1$s = type of content, %2$s = error message. $error = sprintf( __( 'Critical CSS for %1$s not generated. Error: %2$s', 'rocket' ), $item['type'], __( 'The API returned an invalid response code.', 'rocket' ) ); $error .= ' (' . date_i18n( get_option( 'date_format' ) ) . ' @ ' . date_i18n( get_option( 'time_format' ) ) . ') '; $transient['items'][] = $error; set_transient( 'rocket_critical_css_generation_process_running', $transient, HOUR_IN_SECONDS ); return false; } $data = json_decode( wp_remote_retrieve_body( $response ) ); if ( ! isset( $data->data ) ) { // translators: %1$s = type of content, %2$s = error message. $error = sprintf( __( 'Critical CSS for %1$s not generated. Error: %2$s', 'rocket' ), $item['type'], __( 'The API returned an empty response.', 'rocket' ) ); $error .= ' (' . date_i18n( get_option( 'date_format' ) ) . ' @ ' . date_i18n( get_option( 'time_format' ) ) . ') '; $transient['items'][] = $error; set_transient( 'rocket_critical_css_generation_process_running', $transient, HOUR_IN_SECONDS ); return false; } while ( $job_data = $this->get_critical_path( $data->data->id ) ) { // phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.FoundInWhileCondition if ( 400 === (int) $job_data->status ) { // translators: %1$s = type of content, %2$s = error message. $error = sprintf( __( 'Critical CSS for %1$s not generated. Error: %2$s', 'rocket' ), $item['type'], $job_data->message ); $error .= ' (' . date_i18n( get_option( 'date_format' ) ) . ' @ ' . date_i18n( get_option( 'time_format' ) ) . ') '; $transient['items'][] = $error; set_transient( 'rocket_critical_css_generation_process_running', $transient, HOUR_IN_SECONDS ); break; } if ( 'complete' === $job_data->data->state ) { $transient = get_transient( 'rocket_critical_css_generation_process_running' ); $critical_css_path = WP_ROCKET_CRITICAL_CSS_PATH . get_current_blog_id(); if ( ! rocket_direct_filesystem()->is_dir( $critical_css_path ) ) { rocket_mkdir_p( $critical_css_path ); } $file_path = $critical_css_path . '/' . $item['type'] . '.css'; $cpcss_content = wp_strip_all_tags( $job_data->data->critical_path, true ); $result = rocket_put_content( $file_path, $cpcss_content ); if ( ! $result ) { $error = sprintf( // translators: %1$s = type of content, %2$s = error message. __( 'Critical CSS for %1$s not generated. Error: %2$s', 'rocket' ), $item['type'], // translators: %s = critical CSS directory path. sprintf( __( 'The critical CSS content could not be saved as a file in %s.', 'rocket' ), $critical_css_path ) ); $error .= ' (' . date_i18n( get_option( 'date_format' ) ) . ' @ ' . date_i18n( get_option( 'time_format' ) ) . ') '; $transient['items'][] = $error; set_transient( 'rocket_critical_css_generation_process_running', $transient, HOUR_IN_SECONDS ); break; } // translators: %s = type of content. $success = sprintf( __( 'Critical CSS for %s generated.', 'rocket' ), $item['type'] ); $success .= ' (' . date_i18n( get_option( 'date_format' ) ) . ' @ ' . date_i18n( get_option( 'time_format' ) ) . ') '; $transient['items'][] = $success; $transient['generated']++; set_transient( 'rocket_critical_css_generation_process_running', $transient, HOUR_IN_SECONDS ); break; } sleep( 2 ); } return false; } /** * Gets the returned body of a request to a specific job from the Critical CSS generator API * * @since 2.11 * @author Remy Perona * * @param string $job_id Job identifier. * @return object JSON decoded body of the request's response */ protected function get_critical_path( $job_id ) { $response = wp_remote_get( $this->api_url . $job_id . '/' ); return json_decode( wp_remote_retrieve_body( $response ) ); } /** * Launches when the background process is complete. * * @since 2.11 * @author Remy Perona */ protected function complete() { /** * Fires when the critical CSS generation process is complete * * @since 2.11 * @author Remy Perona */ do_action( 'rocket_critical_css_generation_process_complete' ); set_transient( 'rocket_critical_css_generation_process_complete', get_transient( 'rocket_critical_css_generation_process_running' ), HOUR_IN_SECONDS ); delete_transient( 'rocket_critical_css_generation_process_running' ); parent::complete(); } }