balmet.com

Importer.php (5389B)

---

 <?php
 /**
  * Class for declaring the content importer used in the One Click Demo Import plugin
  *
  * @package ocdi
  */
 
 namespace OCDI;
 
 class Importer {
 	/**
 	 * The importer class object used for importing content.
 	 *
 	 * @var object
 	 */
 	private $importer;
 
 	/**
 	 * Time in milliseconds, marking the beginning of the import.
 	 *
 	 * @var float
 	 */
 	private $microtime;
 
 	/**
 	 * The instance of the OCDI\Logger class.
 	 *
 	 * @var object
 	 */
 	public $logger;
 
 	/**
 	 * The instance of the One Click Demo Import class.
 	 *
 	 * @var object
 	 */
 	private $ocdi;
 
 	/**
 	 * Constructor method.
 	 *
 	 * @param array  $importer_options Importer options.
 	 * @param object $logger           Logger object used in the importer.
 	 */
 	public function __construct( $importer_options = array(), $logger = null ) {
 		// Include files that are needed for WordPress Importer v2.
 		$this->include_required_files();
 
 		// Set the WordPress Importer v2 as the importer used in this plugin.
 		// More: https://github.com/humanmade/WordPress-Importer.
 		$this->importer = new WXRImporter( $importer_options );
 
 		// Set logger to the importer.
 		$this->logger = $logger;
 		if ( ! empty( $this->logger ) ) {
 			$this->set_logger( $this->logger );
 		}
 
 		// Get the OCDI (main plugin class) instance.
 		$this->ocdi = OneClickDemoImport::get_instance();
 	}
 
 
 	/**
 	 * Include required files.
 	 */
 	private function include_required_files() {
 		if ( ! class_exists( '\WP_Importer' ) ) {
 			require ABSPATH . '/wp-admin/includes/class-wp-importer.php';
 		}
 	}
 
 
 	/**
 	 * Imports content from a WordPress export file.
 	 *
 	 * @param string $data_file path to xml file, file with WordPress export data.
 	 */
 	public function import( $data_file ) {
 		$this->importer->import( $data_file );
 	}
 
 
 	/**
 	 * Set the logger used in the import
 	 *
 	 * @param object $logger logger instance.
 	 */
 	public function set_logger( $logger ) {
 		$this->importer->set_logger( $logger );
 	}
 
 
 	/**
 	 * Get all protected variables from the WXR_Importer needed for continuing the import.
 	 */
 	public function get_importer_data() {
 		return $this->importer->get_importer_data();
 	}
 
 
 	/**
 	 * Sets all protected variables from the WXR_Importer needed for continuing the import.
 	 *
 	 * @param array $data with set variables.
 	 */
 	public function set_importer_data( $data ) {
 		$this->importer->set_importer_data( $data );
 	}
 
 
 	/**
 	 * Import content from an WP XML file.
 	 *
 	 * @param string $import_file_path Path to the import file.
 	 */
 	public function import_content( $import_file_path ) {
 		$this->microtime = microtime( true );
 
 		// Increase PHP max execution time. Just in case, even though the AJAX calls are only 25 sec long.
 		set_time_limit( apply_filters( 'pt-ocdi/set_time_limit_for_demo_data_import', 300 ) );
 
 		// Disable import of authors.
 		add_filter( 'wxr_importer.pre_process.user', '__return_false' );
 
 		// Check, if we need to send another AJAX request and set the importing author to the current user.
 		add_filter( 'wxr_importer.pre_process.post', array( $this, 'new_ajax_request_maybe' ) );
 
 		// Disables generation of multiple image sizes (thumbnails) in the content import step.
 		if ( ! apply_filters( 'pt-ocdi/regenerate_thumbnails_in_content_import', true ) ) {
 			add_filter( 'intermediate_image_sizes_advanced', '__return_null' );
 		}
 
 		// Import content.
 		if ( ! empty( $import_file_path ) ) {
 			ob_start();
 				$this->import( $import_file_path );
 			$message = ob_get_clean();
 		}
 
 		// Return any error messages for the front page output (errors, critical, alert and emergency level messages only).
 		return $this->logger->error_output;
 	}
 
 
 	/**
 	 * Check if we need to create a new AJAX request, so that server does not timeout.
 	 *
 	 * @param array $data current post data.
 	 * @return array
 	 */
 	public function new_ajax_request_maybe( $data ) {
 		$time = microtime( true ) - $this->microtime;
 
 		// We should make a new ajax call, if the time is right.
 		if ( $time > apply_filters( 'pt-ocdi/time_for_one_ajax_call', 25 ) ) {
 			$response = array(
 				'status'  => 'newAJAX',
 				'message' => 'Time for new AJAX request!: ' . $time,
 			);
 
 			// Add any output to the log file and clear the buffers.
 			$message = ob_get_clean();
 
 			// Add any error messages to the frontend_error_messages variable in OCDI main class.
 			if ( ! empty( $message ) ) {
 				$this->ocdi->append_to_frontend_error_messages( $message );
 			}
 
 			// Add message to log file.
 			$log_added = Helpers::append_to_file(
 				__( 'New AJAX call!' , 'pt-ocdi' ) . PHP_EOL . $message,
 				$this->ocdi->get_log_file_path(),
 				''
 			);
 
 			// Set the current importer stat, so it can be continued on the next AJAX call.
 			$this->set_current_importer_data();
 
 			// Send the request for a new AJAX call.
 			wp_send_json( $response );
 		}
 
 		// Set importing author to the current user.
 		// Fixes the [WARNING] Could not find the author for ... log warning messages.
 		$current_user_obj    = wp_get_current_user();
 		$data['post_author'] = $current_user_obj->user_login;
 
 		return $data;
 	}
 
 
 	/**
 	 * Set current state of the content importer, so we can continue the import with new AJAX request.
 	 */
 	private function set_current_importer_data() {
 		$data = array_merge( $this->ocdi->get_current_importer_data(), $this->get_importer_data() );
 
 		Helpers::set_ocdi_import_data_transient( $data );
 	}
 }