function comment_views_data_alter in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/comment/comment.views.inc \comment_views_data_alter()
2. 10 core/modules/comment/comment.views.inc \comment_views_data_alter()

Implements hook_views_data_alter().

File

core/modules/comment/comment.views.inc, line 13

Provide views data for comment.module.

Code

function comment_views_data_alter(&$data) {

  // New comments are only supported for node table because it requires the
  // history table.
  $data['node']['new_comments'] = [
    'title' => t('New comments'),
    'help' => t('The number of new comments on the node.'),
    'field' => [
      'id' => 'node_new_comments',
      'no group by' => TRUE,
    ],
  ];

  // Provide a integration for each entity type except comment.
  foreach (\Drupal::entityTypeManager()
    ->getDefinitions() as $entity_type_id => $entity_type) {
    if ($entity_type_id == 'comment' || !$entity_type
      ->entityClassImplements(ContentEntityInterface::class) || !$entity_type
      ->getBaseTable()) {
      continue;
    }
    $fields = \Drupal::service('comment.manager')
      ->getFields($entity_type_id);
    $base_table = $entity_type
      ->getDataTable() ?: $entity_type
      ->getBaseTable();
    $args = [
      '@entity_type' => $entity_type_id,
    ];
    if ($fields) {
      $data[$base_table]['comments_link'] = [
        'field' => [
          'title' => t('Add comment link'),
          'help' => t('Display the standard add comment link used on regular @entity_type, which will only display if the viewing user has access to add a comment.', $args),
          'id' => 'comment_entity_link',
        ],
      ];

      // Multilingual properties are stored in data table.
      if (!($table = $entity_type
        ->getDataTable())) {
        $table = $entity_type
          ->getBaseTable();
      }
      $data[$table]['uid_touch'] = [
        'title' => t('User posted or commented'),
        'help' => t('Display nodes only if a user posted the @entity_type or commented on the @entity_type.', $args),
        'argument' => [
          'field' => 'uid',
          'name table' => 'users_field_data',
          'name field' => 'name',
          'id' => 'argument_comment_user_uid',
          'no group by' => TRUE,
          'entity_type' => $entity_type_id,
          'entity_id' => $entity_type
            ->getKey('id'),
        ],
        'filter' => [
          'field' => 'uid',
          'name table' => 'users_field_data',
          'name field' => 'name',
          'id' => 'comment_user_uid',
          'entity_type' => $entity_type_id,
          'entity_id' => $entity_type
            ->getKey('id'),
        ],
      ];
      foreach ($fields as $field_name => $field) {
        $data[$base_table][$field_name . '_cid'] = [
          'title' => t('Comments of the @entity_type using field: @field_name', $args + [
            '@field_name' => $field_name,
          ]),
          'help' => t('Relate all comments on the @entity_type. This will create 1 duplicate record for every comment. Usually if you need this it is better to create a comment view.', $args),
          'relationship' => [
            'group' => t('Comment'),
            'label' => t('Comments'),
            'base' => 'comment_field_data',
            'base field' => 'entity_id',
            'relationship field' => $entity_type
              ->getKey('id'),
            'id' => 'standard',
            'extra' => [
              [
                'field' => 'entity_type',
                'value' => $entity_type_id,
              ],
              [
                'field' => 'field_name',
                'value' => $field_name,
              ],
            ],
          ],
        ];
      }
    }
  }
}