function og_subgroups_node_form_validate in Subgroups for Organic groups 6

Validate the group node form

1 string reference to 'og_subgroups_node_form_validate'

og_subgroups_add_group_select_form in includes/form.inc

Add form components to select group parents on the group node form

File

./og_subgroups.module, line 423

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

Code

function og_subgroups_node_form_validate(&$form, &$form_state) {
  if (isset($form_state['values']['nid']) && isset($form_state['values']['og_parent'])) {
    og_subgroups_include('tree');

    // Extract the node id
    $node = new stdClass();
    $node->nid = $form_state['values']['nid'];

    // Extract the selected parent
    $parent = new stdClass();
    $parent->nid = $form_state['values']['og_parent'];

    // Make sure the chosen parent is not the node we're editing
    if ($node->nid == $parent->nid) {
      form_set_error('og_parent', t('You cannot set the parent of this group to be the group itself.'));
    }

    // Make sure the selected parent is not a child of the node we're editing
    if ($parent->nid && og_subgroups_group_is_child($node, $parent)) {
      form_set_error('og_parent', t('You cannot set a child of this group to be the parent.'));
    }

    // Check if forced-privacy is enabled
    if (variable_get('og_subgroups_inherit_privacy', 0)) {

      // Only check if this group is not set to private
      if (!$form_state['values']['og_private']) {

        // See if the parent group is private
        $sql = "SELECT og_private FROM {og} WHERE nid = %d";
        $is_private = db_result(db_query($sql, $parent->nid));
        if ($is_private) {

          // This group must be private
          form_set_error('og_private', t('The selected parent for this group is a private group. This group must also be private.'));
        }
      }
    }
  }
}