function community_tags_community_tags_tags_removed in Community Tags 6.2

Implementation of hook_community_tags_tags_removed(). Remove redundant terms if configured to do so.

File

./community_tags.module, line 741

Implements community tagging of nodes using a specific vocabulary for Drupal v6.x

Code

function community_tags_community_tags_tags_removed($node, $user, $terms, $source, $removed_tags, $tags_removed_count) {

  // check source for batch tag removal with term sync disabled
  if ($source == 'community_tags:purge:no_sync') {
    return;
  }

  // delete redundant terms
  // only apply if content type/node type allows
  $ctags_by_type = community_tags_tags_group_by($removed_tags, 'type');
  foreach ($ctags_by_type as $type => $ctags_for_type) {

    // now group by vid as logic depends on combination of vid and node type
    $ctags_for_type_by_vid = community_tags_tags_group_by($ctags_for_type, 'vid');
    foreach ($ctags_for_type_by_vid as $vid => $ctags_for_type_and_vid) {
      if (_community_tags_is_opmode(COMMUNITY_TAGS_OPMODE_DELETE_ORPHAN_TERMS, $vid, $type)) {

        // get the unique set of terms to cleanup
        $ctags_for_type_and_vid_by_tid = community_tags_tags_group_by($ctags_for_type_and_vid, 'tid');

        // @todo make sure this isn't too onerous - we're probably in an AJAX call here...
        $tids = array_keys($ctags_for_type_and_vid_by_tid);
        _community_tags_cleanup_orphaned_tags_by_tids($tids);
      }
    }
  }
}