aleph1.co.uk Git - yaffs-website/blob - web/modules/contrib/entityqueue/src/Plugin/views/filter/EntityQueueInQueue.php

   1 <?php
   2
   3 namespace Drupal\entityqueue\Plugin\views\filter;
   4
   5 use Drupal\Core\Session\AccountInterface;
   6 use Drupal\entityqueue\Plugin\views\relationship\EntityQueueRelationship;
   7 use Drupal\views\Plugin\views\filter\BooleanOperator;
   8 use Symfony\Component\DependencyInjection\ContainerInterface;
   9
  10 /**
  11  * Filter for entities that are available or not in an entity queue.
  12  *
  13  * @ingroup views_filter_handlers
  14  *
  15  * @ViewsFilter("entity_queue_in_queue")
  16  */
  17 class EntityQueueInQueue extends BooleanOperator {
  18
  19   /**
  20    * The current user.
  21    *
  22    * @var \Drupal\Core\Session\AccountInterface
  23    */
  24   protected $currentUser;
  25
  26   /**
  27    * Constructor.
  28    *
  29    * @param array $configuration
  30    *   A configuration array containing information about the plugin instance.
  31    * @param string $plugin_id
  32    *   The plugin_id for the plugin instance.
  33    * @param array $plugin_definition
  34    *   The plugin implementation definition.
  35    * @param \Drupal\Core\Session\AccountInterface $current_user
  36    *   The current user.
  37    */
  38   public function __construct(array $configuration, $plugin_id, array $plugin_definition, AccountInterface $current_user) {
  39     parent::__construct($configuration, $plugin_id, $plugin_definition);
  40
  41     $this->currentUser = $current_user;
  42   }
  43
  44   /**
  45    * {@inheritdoc}
  46    */
  47   public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
  48     return new static(
  49       $configuration,
  50       $plugin_id,
  51       $plugin_definition,
  52       $container->get('current_user')
  53     );
  54   }
  55
  56   /**
  57    * {@inheritdoc}
  58    */
  59   public function query() {
  60     $this->ensureMyTable();
  61
  62     // Try to find an entity queue relationship in this view, and pick the first
  63     // one available.
  64     $entity_queue_relationship = NULL;
  65     foreach ($this->view->relationship as $id => $relationship) {
  66       if ($relationship instanceof EntityQueueRelationship) {
  67         $entity_queue_relationship = $relationship;
  68         $this->options['relationship'] = $id;
  69         $this->setRelationship();
  70
  71         break;
  72       }
  73     }
  74
  75     if ($entity_queue_relationship) {
  76       $subqueue_items_table_alias = $entity_queue_relationship->first_alias;
  77       $field_field = $this->definition['field field'];
  78       $operator  = $this->value ? 'IS NOT NULL' : 'IS NULL';
  79       $condition = "$subqueue_items_table_alias.$field_field $operator";
  80
  81       $this->query->addWhereExpression($this->options['group'], $condition);
  82     }
  83     else {
  84       if ($this->currentUser->hasPermission('administer views')) {
  85         drupal_set_message($this->t('In order to filter on items from the queue, you need to add the Entityqueue: Queue relationship on View: @view with display: @display', ['@view' => $this->view->storage->label(), '@display' => $this->view->current_display]), 'error');
  86       }
  87     }
  88   }
  89
  90 }