TranslationCountFilter.php in Translation Views 8

Namespace

Drupal\translation_views\Plugin\views\filter

File

src/Plugin/views/filter/TranslationCountFilter.php

<?php

namespace Drupal\translation_views\Plugin\views\filter;

use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\translation_views\TranslationCountTrait;
use Drupal\views\Plugin\views\filter\NumericFilter;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\views\Plugin\ViewsHandlerManager;

/**
 * Translation count filter.
 *
 * Filter rows by number of exisitng translations for a given source entity.
 *
 * @ingroup views_field_handlers
 *
 * @ViewsFilter("translation_views_translation_count")
 */
class TranslationCountFilter extends NumericFilter implements ContainerFactoryPluginInterface {
  use TranslationCountTrait;

  /**
   * Translation table alias.
   *
   * @var string
   */
  public $tableAlias = 'translations';

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

  /**
   * {@inheritdoc}
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeManagerInterface $entity_type_manager, ViewsHandlerManager $join_handler) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->entityTypeManager = $entity_type_manager;
    $this->joinHandler = $join_handler;
  }

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

    /** @var \Drupal\views\Plugin\views\query\Sql $query */
    $query = $this->query;
    $op = $this->operator;
    $join_alias = $this
      ->joinLanguages($query);
    $query
      ->addWhereExpression($this->options['group'], "IF(ISNULL({$join_alias}.count_langs), 0, {$join_alias}.count_langs) {$op} :value", [
      ':value' => $this->value['value'],
    ]);
  }

}

Classes

Name	Description
TranslationCountFilter	Translation count filter.