advancedqueue-8.x-1.x-dev/src/Plugin/AdvancedQueue/Backend/BackendBase.php

<?php

namespace Drupal\advancedqueue\Plugin\AdvancedQueue\Backend;

use Drupal\Component\Datetime\TimeInterface;
use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\Plugin\PluginBase;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides the base class for queue backends.
 */
abstract class BackendBase extends PluginBase implements BackendInterface, ContainerFactoryPluginInterface {

  /**
   * The time.
   *
   * @var \Drupal\Component\Datetime\TimeInterface
   */
  protected $time;

  /**
   * The current queue ID.
   *
   * @var string
   */
  protected $queueId;

  /**
   * Constructs a new BackendBase object.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Component\Datetime\TimeInterface $time
   *   The time.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, TimeInterface $time) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);

    $this->time = $time;
    if (array_key_exists('_entity_id', $configuration)) {
      $this->queueId = $configuration['_entity_id'];
      unset($configuration['_entity_id']);
    }
    $this->setConfiguration($configuration);
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static(
      $configuration,
      $plugin_id,
      $plugin_definition,
      $container->get('datetime.time')
    );
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getConfiguration() {
    return $this->configuration;
  }

  /**
   * {@inheritdoc}
   */
  public function setConfiguration(array $configuration) {
    $this->configuration = NestedArray::mergeDeep($this->defaultConfiguration(), $configuration);
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [
      'lease_time' => 300,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form['lease_time'] = [
      '#type' => 'number',
      '#title' => $this->t('Lease time'),
      '#description' => $this->t('How long a job is reserved for processing.'),
      '#field_suffix' => $this->t('seconds'),
      '#default_value' => $this->configuration['lease_time'],
      '#min' => 1,
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {}

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    if (!$form_state->getErrors()) {
      $values = $form_state->getValue($form['#parents']);

      $this->configuration = [];
      $this->configuration['lease_time'] = $values['lease_time'];
    }
  }

  /**
   * {@inheritdoc}
   */
  public function getLabel() {
    return (string) $this->pluginDefinition['label'];
  }

  /**
   * {@inheritdoc}
   */
  public function cleanupQueue() {}

}