function og_subgroups_propogate_content in Subgroups for Organic groups 5.4

Same name and namespace in other branches

1. 5 og_subgroups.module \og_subgroups_propogate_content()

Propagates content along the subgroups tree.

Parameters

$node: The node object that needs to be propagated

$groups: The groups the node is currently assigend to

$directions: Array with the direction propogation should happen (parent, children, syblings)

1 call to og_subgroups_propogate_content()

og_subgroups_nodeapi in ./og_subgroups.module

Implementation of hook_nodeapi().

File

./og_subgroups.module, line 561

Maintains subgroups hierarchy created by the orgainc groups module.

Code

function og_subgroups_propogate_content($node, $groups, $directions) {
  $save = FALSE;
  $directions = array_filter($directions);
  foreach ($directions as $direction) {
    foreach ($groups as $group => $foo) {

      // Get the path to the top level group.
      $trees = og_subgroups_get_all_family($group, $direction);
      foreach ($trees as $tree) {

        // Check that group isn't already there.
        $save = TRUE;
        if (!in_array($tree->gid, $node->og_groups)) {
          $node->og_groups[] = $tree->gid;
          $node->og_groups_both[$tree->gid] = $tree->title;
        }
      }
    }
  }

  // Save node only if changed.
  if ($save) {
    og_save_ancestry($node);
  }
}