function og_views_plugin_argument_validate_og_group_types::validate_argument in Organic groups 6

Same name and namespace in other branches

1. 6.2 modules/og_views/includes/og_views_plugin_argument_validate_og_group_types.inc \og_views_plugin_argument_validate_og_group_types::validate_argument()

File

modules/og_views/includes/og_views_plugin_argument_validate_og_group_types.inc, line 31

Class

og_views_plugin_argument_validate_og_group_types

Validate whether an argument is a group node. Borrows heavily form the Node argument validator.

Code

function validate_argument($argument) {
  $types = og_get_types('group');
  $type = isset($this->argument->options['validate_argument_nid_type']) ? $this->argument->options['validate_argument_nid_type'] : 'nid';
  switch ($type) {
    case 'nid':
      if (!is_numeric($argument)) {
        return FALSE;
      }
      $node = node_load($argument);
      if (!$node) {
        return FALSE;
      }
      if (!og_is_group_type($node->type)) {
        return FALSE;
      }
      if (!empty($this->argument->options['validate_argument_is_member'])) {
        if (!og_is_group_member($node->nid)) {
          return FALSE;
        }
      }

      // Save the title() handlers some work.
      $this->argument->validated_title = check_plain($node->title);

      // Admin has not setup any content types to behave as a group. Thats unsupported.
      if (empty($types)) {
        return TRUE;
      }
      return TRUE;
    case 'nids':
      $nids = new stdClass();
      $nids->value = array(
        $argument,
      );
      $nids = views_break_phrase($argument, $nids);
      if ($nids->value == -1) {
        return FALSE;
      }
      $placeholders = implode(', ', array_fill(0, sizeof($nids->value), '%d'));
      $has_membership = FALSE;
      $titles = array();
      $test_nids = drupal_map_assoc($nids->value);
      $result = db_query("SELECT nid, type, title FROM {node} WHERE nid IN ({$placeholders})", $nids->value);
      while ($node = db_fetch_object($result)) {
        if (!og_is_group_type($node->type)) {
          return FALSE;
        }
        if (!empty($this->argument->options['validate_argument_is_member'])) {

          // If user is a member of any of the specified groups, then she has access.
          if (!$has_membership && og_is_group_member($node->nid)) {
            $has_membership = TRUE;
          }
        }
        else {
          $has_membership = TRUE;
        }
        $titles[] = check_plain($node->title);
        unset($test_nids[$node->nid]);
      }
      $this->argument->validated_title = implode($nids->operator == 'or' ? ' + ' : ', ', $titles);

      // If $test is not empty, we did not find a nid.
      return empty($test_nids) && $has_membership;
  }
}