Manager.php in Taxonomy Term Depth 8

Manages queue operations.

Namespace

Drupal\taxonomy_term_depth\QueueManager

File

src/QueueManager/Manager.php

<?php

/**
 * @file
 * Manages queue operations.
 */
namespace Drupal\taxonomy_term_depth\QueueManager;

use Drupal\Core\Database\Query\Condition;
use Drupal\Core\Queue\DatabaseQueue;
use Drupal\Core\Queue\QueueFactory;
use Drupal\Core\Queue\QueueInterface;
class Manager {
  const QUEUE_ID = 'taxonomy_term_depth_update_depth';
  const BATCH_COUNT = 20;
  protected $vid = NULL;

  /**
   * @var QueueInterface
   */
  protected $queue = NULL;
  public function setVid($vid = NULL) {
    $this->vid = $vid;
    return $this;
  }
  public function __construct() {
    $this
      ->setVid();

    /** @var QueueFactory $queue_factory */
    $queue_factory = \Drupal::service('queue');

    /** @var QueueInterface $queue */
    $this->queue = $queue_factory
      ->get(static::QUEUE_ID);
  }
  public function clear() {
    $this->queue
      ->deleteQueue();
  }
  public function queueSize() {
    return $this->queue
      ->numberOfItems();
  }
  public function queueBatch($queue_all = TRUE) {
    $query = $this
      ->getTermsQuery();
    if (!$queue_all) {
      $query
        ->condition((new Condition())
        ->condition('td.depth_level', '', 'IS NULL')
        ->condition('td.depth', '', 'IS NULL'));
    }
    else {

      // Delete queue if have one.
      $this
        ->clear();
    }
    $ids = [];
    foreach ($query
      ->execute() as $row) {
      if (count($ids) >= static::BATCH_COUNT) {
        $this
          ->queueByIds($ids);
        $ids = [];
      }
      $ids[] = $row->tid;
    }

    // Queue remaining items.
    $this
      ->queueByIds($ids);
    return TRUE;
  }
  public function queueBatchMissing() {
    return $this
      ->queueBatch(FALSE);
  }
  public function queueByIds($ids) {
    if (empty($ids)) {
      return FALSE;
    }
    $this
      ->clearDepths($ids);
    foreach ($ids as $tid) {
      $this->queue
        ->createItem([
        'tid' => $tid,
      ]);
    }
    return TRUE;
  }
  public function clearDepths($ids = NULL) {
    $query = \Drupal::database()
      ->update('taxonomy_term_field_data');
    $query
      ->fields([
      'depth_level' => NULL,
      'depth' => NULL,
    ]);
    if ($this->vid !== NULL) {
      $query
        ->condition('vid', $this->vid);
    }
    if ($ids !== NULL && is_array($ids) && !empty($ids)) {
      $query
        ->condition('tid', $ids, 'IN');
    }
    return $query
      ->execute();
  }
  protected function getTermsQuery() {
    $query = \Drupal::database()
      ->select('taxonomy_term_field_data', 'td');
    $query
      ->fields('td', [
      'tid',
    ]);
    if ($this->vid !== NULL) {
      $query
        ->condition('td.vid', $this->vid);
    }
    return $query;
  }
  public function processNextItem() {
    $item = $this->queue
      ->claimItem();
    taxonomy_term_depth_get_by_tid($item['tid'], TRUE);
  }

}

Classes

Name	Description
Manager