function activity_views_handler_filter_access::query in Activity 6.2

Same name and namespace in other branches

1. 7 views/views_handler_filters.inc \activity_views_handler_filter_access::query()

override query

File

views/activity_views_handler_filter_access.inc, line 54

generic handler that provides access control on where

Class

activity_views_handler_filter_access

@file generic handler that provides access control on where

Code

function query() {
  $this
    ->ensure_my_table();
  $group = activity_views_group();
  $placeholder = '%d';

  // ensure the file is included for this module
  activity_get_module_info($this->definition['module']);

  // go through each grant that this user has
  $realms = module_invoke($this->definition['module'], 'activity_access_grants', activity_views_access_user());

  // All the valid realms according to the options form.
  $valid_realms = array_intersect(array_keys($this->options['realms']), array_keys($realms));
  if (empty($valid_realms)) {

    // The user hasn't done anything that $this->definition['module'] realms
    // keep track of, use a dummy realm.
    $realms = array(
      'activity_none' => array(
        -1,
      ),
    );
    $valid_realms = array(
      'activity_none',
    );
  }
  foreach ($valid_realms as $realm) {
    if (is_null($group)) {

      // Static cache the where group for other access handlers to use.
      $group = activity_views_group($this->query
        ->set_where_group('OR'));
    }
    $values = $realms[$realm];
    $replace = array_fill(0, sizeof($values), $placeholder);
    $in = ' (' . implode(", ", $replace) . ')';

    // Use the group to keep all access handlers in the same OR query.
    $this->query
      ->add_where($group, "({$this->table_alias}.realm = '%s' AND {$this->table_alias}.{$this->real_field} IN {$in})", array_merge(array(
      $realm,
    ), $values));
  }
}