<?php
namespace Elementor\Core\Base;

use Elementor\Plugin;
use Elementor\Core\Base\BackgroundProcess\WP_Background_Process;

/**
 * Based on https://github.com/woocommerce/woocommerce/blob/master/includes/abstracts/class-wc-background-process.php
 * & https://github.com/woocommerce/woocommerce/blob/master/includes/class-wc-background-updater.php
 */

defined( 'ABSPATH' ) || exit;

/**
 * WC_Background_Process class.
 */
abstract class Background_Task extends WP_Background_Process {
	protected $current_item;

	/**
	 * Dispatch updater.
	 *
	 * Updater will still run via cron job if this fails for any reason.
	 */
	public function dispatch() {
		$dispatched = parent::dispatch();

		if ( is_wp_error( $dispatched ) ) {
			wp_die( esc_html( $dispatched ) );
		}
	}

	public function query_col( $sql ) {
		global $wpdb;

		// Add Calc.
		$item = $this->get_current_item();
		if ( empty( $item['total'] ) ) {
			$sql = preg_replace( '/^SELECT/', 'SELECT SQL_CALC_FOUND_ROWS', $sql );
		}

		// Add offset & limit.
		$sql = preg_replace( '/;$/', '', $sql );
		$sql .= ' LIMIT %d, %d;';

		$results = $wpdb->get_col( $wpdb->prepare( $sql, $this->get_current_offset(), $this->get_limit() ) ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared

		if ( ! empty( $results ) ) {
			$this->set_total();
		}

		return $results;
	}

	public function should_run_again( $updated_rows ) {
		return count( $updated_rows ) === $this->get_limit();
	}

	public function get_current_offset() {
		$limit = $this->get_limit();
		return ( $this->current_item['iterate_num'] - 1 ) * $limit;
	}

	public function get_limit() {
		return $this->manager->get_query_limit();
	}

	public function set_total() {
		global $wpdb;

		if ( empty( $this->current_item['total'] ) ) {
			$total_rows = $wpdb->get_var( 'SELECT FOUND_ROWS();' );
			$total_iterates = ceil( $total_rows / $this->get_limit() );
			$this->current_item['total'] = $total_iterates;
		}
	}

	/**
	 * Complete
	 *
	 * Override if applicable, but ensure that the below actions are
	 * performed, or, call parent::complete().
	 */
	protected function complete() {
		$this->manager->on_runner_complete( true );

		parent::complete();
	}

	public function continue_run() {
		// Used to fire an action added in WP_Background_Process::_construct() that calls WP_Background_Process::handle_cron_healthcheck().
		// This method will make sure the database updates are executed even if cron is disabled. Nothing will happen if the updates are already running.
		do_action( $this->cron_hook_identifier );
	}

	/**
	 * @return mixed
	 */
	public function get_current_item() {
		return $this->current_item;
	}

	/**
	 * Get batch.
	 *
	 * @return \stdClass Return the first batch from the queue.
	 */
	protected function get_batch() {
		$batch = parent::get_batch();
		$batch->data = array_filter( (array) $batch->data );

		return $batch;
	}

	/**
	 * Handle cron healthcheck
	 *
	 * Restart the background process if not already running
	 * and data exists in the queue.
	 */
	public function handle_cron_healthcheck() {
		if ( $this->is_process_running() ) {
			// Background process already running.
			return;
		}

		if ( $this->is_queue_empty() ) {
			// No data to process.
			$this->clear_scheduled_event();
			return;
		}

		$this->handle();
	}

	/**
	 * Schedule fallback event.
	 */
	protected function schedule_event() {
		if ( ! wp_next_scheduled( $this->cron_hook_identifier ) ) {
			wp_schedule_event( time() + 10, $this->cron_interval_identifier, $this->cron_hook_identifier );
		}
	}

	/**
	 * Is the updater running?
	 *
	 * @return boolean
	 */
	public function is_running() {
		return false === $this->is_queue_empty();
	}

	/**
	 * See if the batch limit has been exceeded.
	 *
	 * @return bool
	 */
	protected function batch_limit_exceeded() {
		return $this->time_exceeded() || $this->memory_exceeded();
	}

	/**
	 * Handle.
	 *
	 * Pass each queue item to the task handler, while remaining
	 * within server memory and time limit constraints.
	 */
	protected function handle() {
		$this->manager->on_runner_start();

		$this->lock_process();

		do {
			$batch = $this->get_batch();

			foreach ( $batch->data as $key => $value ) {
				$task = $this->task( $value );

				if ( false !== $task ) {
					$batch->data[ $key ] = $task;
				} else {
					unset( $batch->data[ $key ] );
				}

				if ( $this->batch_limit_exceeded() ) {
					// Batch limits reached.
					break;
				}
			}

			// Update or delete current batch.
			if ( ! empty( $batch->data ) ) {
				$this->update( $batch->key, $batch->data );
			} else {
				$this->delete( $batch->key );
			}
		} while ( ! $this->batch_limit_exceeded() && ! $this->is_queue_empty() );

		$this->unlock_process();

		// Start next batch or complete process.
		if ( ! $this->is_queue_empty() ) {
			$this->dispatch();
		} else {
			$this->complete();
		}
	}

	/**
	 * Use the protected `is_process_running` method as a public method.
	 * @return bool
	 */
	public function is_process_locked() {
		return $this->is_process_running();
	}

	public function handle_immediately( $callbacks ) {
		$this->manager->on_runner_start();

		$this->lock_process();

		foreach ( $callbacks as $callback ) {
			$item = [
				'callback' => $callback,
			];

			do {
				$item = $this->task( $item );
			} while ( $item );
		}

		$this->unlock_process();
	}

	/**
	 * Task
	 *
	 * Override this method to perform any actions required on each
	 * queue item. Return the modified item for further processing
	 * in the next pass through. Or, return false to remove the
	 * item from the queue.
	 *
	 * @param array $item
	 *
	 * @return array|bool
	 */
	protected function task( $item ) {
		$result = false;

		if ( ! isset( $item['iterate_num'] ) ) {
			$item['iterate_num'] = 1;
		}

		$logger = Plugin::$instance->logger->get_logger();
		$callback = $this->format_callback_log( $item );

		if ( is_callable( $item['callback'] ) ) {
			$progress = '';

			if ( 1 < $item['iterate_num'] ) {
				if ( empty( $item['total'] ) ) {
					$progress = sprintf( '(x%s)', $item['iterate_num'] );
				} else {
					$percent = ceil( $item['iterate_num'] / ( $item['total'] / 100 ) );
					$progress = sprintf( '(%s of %s, %s%%)', $item['iterate_num'], $item['total'], $percent );
				}
			}

			$logger->info( sprintf( '%s Start %s', $callback, $progress ) );

			$this->current_item = $item;

			$result = (bool) call_user_func( $item['callback'], $this );

			// get back the updated item.
			$item = $this->current_item;
			$this->current_item = null;

			if ( $result ) {
				if ( empty( $item['total'] ) ) {
					$logger->info( sprintf( '%s callback needs to run again', $callback ) );
				} elseif ( 1 === $item['iterate_num'] ) {
					$logger->info( sprintf( '%s callback needs to run more %d times', $callback, $item['total'] - $item['iterate_num'] ) );
				}

				$item['iterate_num']++;
			} else {
				$logger->info( sprintf( '%s Finished', $callback ) );
			}
		} else {
			$logger->notice( sprintf( 'Could not find %s callback', $callback ) );
		}

		return $result ? $item : false;
	}

	/**
	 * Schedule cron healthcheck.
	 *
	 * @param array $schedules Schedules.
	 * @return array
	 */
	public function schedule_cron_healthcheck( $schedules ) {
		$interval = apply_filters( $this->identifier . '_cron_interval', 5 );

		// Adds every 5 minutes to the existing schedules.
		$schedules[ $this->identifier . '_cron_interval' ] = array(
			'interval' => MINUTE_IN_SECONDS * $interval,
			'display' => sprintf(
				/* translators: %d: Interval in minutes. */
				esc_html__( 'Every %d minutes', 'elementor' ),
				$interval
			),
		);

		return $schedules;
	}

	/**
	 * See if the batch limit has been exceeded.
	 *
	 * @return bool
	 */
	public function is_memory_exceeded() {
		return $this->memory_exceeded();
	}

	/**
	 * Delete all batches.
	 *
	 * @return self
	 */
	public function delete_all_batches() {
		global $wpdb;

		$table = $wpdb->options;
		$column = 'option_name';

		if ( is_multisite() ) {
			$table = $wpdb->sitemeta;
			$column = 'meta_key';
		}

		$key = $wpdb->esc_like( $this->identifier . '_batch_' ) . '%';

		$wpdb->query( $wpdb->prepare( "DELETE FROM {$table} WHERE {$column} LIKE %s", $key ) ); // @codingStandardsIgnoreLine.

		return $this;
	}

	/**
	 * Kill process.
	 *
	 * Stop processing queue items, clear cronjob and delete all batches.
	 */
	public function kill_process() {
		if ( ! $this->is_queue_empty() ) {
			$this->delete_all_batches();
			wp_clear_scheduled_hook( $this->cron_hook_identifier );
		}
	}

	public function set_current_item( $item ) {
		$this->current_item = $item;
	}

	protected function format_callback_log( $item ) {
		return implode( '::', (array) $item['callback'] );
	}

	/**
	 * @var \Elementor\Core\Base\Background_Task_Manager
	 */
	protected $manager;

	public function __construct( $manager ) {
		$this->manager = $manager;
		// Uses unique prefix per blog so each blog has separate queue.
		$this->prefix = 'elementor_' . get_current_blog_id();
		$this->action = $this->manager->get_action();

		parent::__construct();
	}
}

Affy Pharma Pvt Ltd

Pharmaceutical, Nutra, Cosmetics Manufacturer in India

NUTRACEUTICALS

Softgel-Capsule

Arrange A Callback

×

[]

1 Step 1

Full Name

Telephone

Your Email

Departmentyour full name

Postal Address

Choose CountryAfghanistanAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua And BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBosnia And HerzegovinaBotswanaBouvet IslandBrazilBritish Indian Ocean TerritoryBrunei DarussalamBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (keeling) IslandsColombiaComorosCongoCongo, The Democratic Republic Of TheCook IslandsCosta RicaCote D'ivoireCroatiaCubaCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEast TimorEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland Islands (malvinas)Faroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern TerritoriesGabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuineaGuinea-bissauGuyanaHaitiHeard Island And Mcdonald IslandsHoly See (vatican City State)HondurasHong KongHungaryIcelandIndiaIndonesiaIran, Islamic Republic OfIraqIrelandIsraelItalyJamaicaJapanJordanKazakstanKenyaKiribatiKorea, Democratic People's Republic OfKorea, Republic OfKosovoKuwaitKyrgyzstanLao People's Democratic RepublicLatviaLebanonLesothoLiberiaLibyan Arab JamahiriyaLiechtensteinLithuaniaLuxembourgMacauMacedonia, The Former Yugoslav Republic OfMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesia, Federated States OfMoldova, Republic OfMonacoMongoliaMontserratMontenegroMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNetherlands AntillesNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorthern Mariana IslandsNorwayOmanPakistanPalauPalestinian Territory, OccupiedPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalPuerto RicoQatarReunionRomaniaRussian FederationRwandaSaint HelenaSaint Kitts And NevisSaint LuciaSaint Pierre And MiquelonSaint Vincent And The GrenadinesSamoaSan MarinoSao Tome And PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovakiaSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia And The South Sandwich IslandsSpainSri LankaSudanSurinameSvalbard And Jan MayenSwazilandSwedenSwitzerlandSyrian Arab RepublicTaiwan, Province Of ChinaTajikistanTanzania, United Republic OfThailandTogoTokelauTongaTrinidad And TobagoTunisiaTurkeyTurkmenistanTurks And Caicos IslandsTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUnited States Minor Outlying IslandsUruguayUzbekistanVanuatuVenezuelaViet NamVirgin Islands, BritishVirgin Islands, U.s.Wallis And FutunaWestern SaharaYemenZambiaZimbabwe

Message

0 /

Submit Form

Previous

Next