function og_subgroups_nodeapi in Subgroups for Organic groups 6

Same name and namespace in other branches

1. 5.4 og_subgroups.module \og_subgroups_nodeapi()
2. 5 og_subgroups.module \og_subgroups_nodeapi()
3. 5.3 og_subgroups.module \og_subgroups_nodeapi()

Implementation of hook_nodeapi().

File

./og_subgroups.module, line 250

Maintains a hierarchy of groups created by the orgainc groups module.

Code

function og_subgroups_nodeapi($node, $op, $teaser = NULL, $page = NULL) {
  og_subgroups_include('tree');
  switch ($op) {
    case 'load':

      // Check if this is a group
      if (og_is_group_type($node->type)) {

        // Attach the group's parent group, if one
        $parent = og_subgroups_get_group_parent($node);
        $node->og_parent = $parent ? $parent : NULL;
      }
      break;
    case 'insert':
    case 'update':

      // Check if this is a group
      if (og_is_group_type($node->type)) {

        // Save the node parent, if one
        og_subgroups_set_parent($node, $node->og_parent);

        // Optionally force children to be private
        og_subgroups_force_private_children($node);
      }
      break;
    case 'delete':
      if (og_is_group_type($node->type)) {
        og_subgroups_delete_group($node);
      }
  }

  // Switch again just to clear hierarchy cache
  switch ($op) {
    case 'insert':
    case 'update':
    case 'delete':
      if (og_is_group_type($node->type)) {
        cache_clear_all('og_subgroups', 'cache', TRUE);
      }
  }
}