flag.views.inc in Flag 8.4

Contains views API hooks for Flag module.

File

flag.views.inc

<?php

/**
 * @file
 * Contains views API hooks for Flag module.
 */

/**
 * Implements hook_views_data().
 */
function flag_views_data() {
  $data = [];
  $data['flag_counts']['count'] = [
    'title' => t('Flag counter'),
    'help' => t('The number of times a piece of content is flagged by any user.'),
    'field' => [
      'id' => 'numeric',
    ],
  ];
  $data['flag_counts']['last_updated'] = [
    'title' => t('Time last flagged'),
    'help' => t('The time a piece of content was most recently flagged by any user.'),
    'field' => [
      'id' => 'date',
    ],
  ];
  return $data;
}

/**
 * Implements hook_views_data_alter().
 */
function flag_views_data_alter(array &$data) {
  $flags = \Drupal::service('flag')
    ->getAllFlags();
  $entity_type_manager = \Drupal::entityTypeManager();
  foreach ($flags as $flag) {
    $entity_type_id = $flag
      ->getFlaggableEntityTypeId();
    $entity_type = $entity_type_manager
      ->getDefinition($entity_type_id);
    if ($entity_type
      ->hasHandlerClass('views_data')) {
      $base_table = $entity_type_manager
        ->getHandler($entity_type_id, 'views_data')
        ->getViewsTableForEntityType($entity_type);
      $data[$base_table]['flag_relationship'] = [
        'title' => t('@entity_label flag', [
          '@entity_label' => $entity_type
            ->getLabel(),
        ]),
        'help' => t('Limit results to only those entity flagged by a certain flag; Or display information about the flag set on a entity.'),
        'relationship' => [
          'group' => t('Flag'),
          'label' => t('Flags'),
          'base' => 'flagging',
          'base field' => 'entity_id',
          'relationship field' => $entity_type
            ->getKey('id'),
          'id' => 'flag_relationship',
          'flaggable' => $entity_type_id,
        ],
      ];
    }
  }
}

Functions

Name	Description
flag_views_data	Implements hook_views_data().
flag_views_data_alter	Implements hook_views_data_alter().