Chris@0: <?php
Chris@0: 
Chris@0: /**
Chris@0:  * @file
Chris@0:  * Provide views data for comment.module.
Chris@0:  */
Chris@0: 
Chris@0: use Drupal\Core\Entity\ContentEntityInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_views_data_alter().
Chris@0:  */
Chris@0: function comment_views_data_alter(&$data) {
Chris@0:   // New comments are only supported for node table because it requires the
Chris@0:   // history table.
Chris@0:   $data['node']['new_comments'] = [
Chris@0:     'title' => t('New comments'),
Chris@0:     'help' => t('The number of new comments on the node.'),
Chris@0:     'field' => [
Chris@0:       'id' => 'node_new_comments',
Chris@0:       'no group by' => TRUE,
Chris@0:     ],
Chris@0:   ];
Chris@0: 
Chris@0:   // Provide a integration for each entity type except comment.
Chris@0:   foreach (\Drupal::entityManager()->getDefinitions() as $entity_type_id => $entity_type) {
Chris@0:     if ($entity_type_id == 'comment' || !$entity_type->entityClassImplements(ContentEntityInterface::class) || !$entity_type->getBaseTable()) {
Chris@0:       continue;
Chris@0:     }
Chris@0:     $fields = \Drupal::service('comment.manager')->getFields($entity_type_id);
Chris@0:     $base_table = $entity_type->getDataTable() ?: $entity_type->getBaseTable();
Chris@0:     $args = ['@entity_type' => $entity_type_id];
Chris@0: 
Chris@0:     if ($fields) {
Chris@0:       $data[$base_table]['comments_link'] = [
Chris@0:         'field' => [
Chris@0:           'title' => t('Add comment link'),
Chris@0:           '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.', $args),
Chris@0:           'id' => 'comment_entity_link',
Chris@0:         ],
Chris@0:       ];
Chris@0: 
Chris@0:       // Multilingual properties are stored in data table.
Chris@0:       if (!($table = $entity_type->getDataTable())) {
Chris@0:         $table = $entity_type->getBaseTable();
Chris@0:       }
Chris@0:       $data[$table]['uid_touch'] = [
Chris@0:         'title' => t('User posted or commented'),
Chris@0:         'help' => t('Display nodes only if a user posted the @entity_type or commented on the @entity_type.', $args),
Chris@0:         'argument' => [
Chris@0:           'field' => 'uid',
Chris@0:           'name table' => 'users_field_data',
Chris@0:           'name field' => 'name',
Chris@0:           'id' => 'argument_comment_user_uid',
Chris@0:           'no group by' => TRUE,
Chris@0:           'entity_type' => $entity_type_id,
Chris@0:           'entity_id' => $entity_type->getKey('id'),
Chris@0:         ],
Chris@0:         'filter' => [
Chris@0:           'field' => 'uid',
Chris@0:           'name table' => 'users_field_data',
Chris@0:           'name field' => 'name',
Chris@0:           'id' => 'comment_user_uid',
Chris@0:           'entity_type' => $entity_type_id,
Chris@0:           'entity_id' => $entity_type->getKey('id'),
Chris@0:         ],
Chris@0:       ];
Chris@0: 
Chris@0:       foreach ($fields as $field_name => $field) {
Chris@0:         $data[$base_table][$field_name . '_cid'] = [
Chris@0:           'title' => t('Comments of the @entity_type using field: @field_name', $args + ['@field_name' => $field_name]),
Chris@0:           '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),
Chris@0:           'relationship' => [
Chris@0:             'group' => t('Comment'),
Chris@0:             'label' => t('Comments'),
Chris@0:             'base' => 'comment_field_data',
Chris@0:             'base field' => 'entity_id',
Chris@0:             'relationship field' => $entity_type->getKey('id'),
Chris@0:             'id' => 'standard',
Chris@0:             'extra' => [
Chris@0:               [
Chris@0:                 'field' => 'entity_type',
Chris@0:                 'value' => $entity_type_id,
Chris@0:               ],
Chris@0:               [
Chris@0:                 'field' => 'field_name',
Chris@0:                 'value' => $field_name,
Chris@0:               ],
Chris@0:             ],
Chris@0:           ],
Chris@0:         ];
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: }