PHP identity::group_ids_for_active_user方法代碼示例

 private static function _build_query_base($q, $where = array())
 {
     $q = Database::instance()->escape($q);
     if (!identity::active_user()->admin) {
         foreach (identity::group_ids_for_active_user() as $id) {
             $fields[] = "`view_{$id}` = TRUE";
             // access::ALLOW
         }
         $access_sql = " AND (" . join(" OR ", $fields) . ")";
     } else {
         $access_sql = "";
     }
     return "SELECT SQL_CALC_FOUND_ROWS {items}.*, " . "  MATCH({search_records}.`data`) AGAINST ('{$q}') AS `score` " . "FROM {items} JOIN {search_records} ON ({items}.`id` = {search_records}.`item_id`) " . "WHERE MATCH({search_records}.`data`) AGAINST ('{$q}' IN BOOLEAN MODE) " . (empty($where) ? "" : " AND " . join(" AND ", $where)) . $access_sql;
 }

 static function search($q, $limit, $offset)
 {
     $db = Database::instance();
     $q = $db->escape($q);
     if (!identity::active_user()->admin) {
         foreach (identity::group_ids_for_active_user() as $id) {
             $fields[] = "`view_{$id}` = TRUE";
             // access::ALLOW
         }
         $access_sql = "AND (" . join(" OR ", $fields) . ")";
     } else {
         $access_sql = "";
     }
     $query = "SELECT SQL_CALC_FOUND_ROWS {items}.*, " . "  MATCH({search_records}.`data`) AGAINST ('{$q}') AS `score` " . "FROM {items} JOIN {search_records} ON ({items}.`id` = {search_records}.`item_id`) " . "WHERE MATCH({search_records}.`data`) AGAINST ('{$q}' IN BOOLEAN MODE) " . $access_sql . "ORDER BY `score` DESC " . "LIMIT {$limit} OFFSET {$offset}";
     $data = $db->query($query);
     $count = $db->query("SELECT FOUND_ROWS() as c")->current()->c;
     return array($count, new ORM_Iterator(ORM::factory("item"), $db->query($query)));
 }

 static function baseItemQuery($db)
 {
     $fields = array('items.id', 'title', 'album_cover_item_id', 'description', 'height', 'width', 'left_ptr', 'right_ptr', 'level', 'mime_type', 'name', 'owner_id', 'parent_id', 'relative_path_cache', 'relative_url_cache', 'resize_dirty', 'slug', 'sort_column', 'sort_order', 'thumb_dirty', 'thumb_height', 'view_1', 'type', 'resize_height', 'resize_width', 'thumb_height', 'thumb_width', 'slug', 'name', 'relative_path_cache');
     $permfields = array('view_', 'view_full_', 'edit_', 'add_');
     foreach (identity::group_ids_for_active_user() as $album) {
         foreach ($permfields as $field) {
             $fields[] = $field . $album;
         }
     }
     return $db->select($fields)->from('items')->join('access_caches', 'access_caches.item_id', 'items.id');
     /*
     return($db->select(array(
     	'id', 'title', 'album_cover_item_id', 'description', 'height', 'width', 'left_ptr', 'right_ptr', 
     	'level', 'mime_type', 'name', 'owner_id', 'parent_id', 'relative_path_cache', 'relative_url_cache', 
     	'resize_dirty', 'slug', 'sort_column', 'sort_order', 'thumb_dirty','thumb_height', 'view_1', 'type',
     	'resize_height', 'resize_width', 'thumb_height', 'thumb_width', 'slug', 'name', 'relative_path_cache'
     ))->from('items'));
     */
 }

 /**
  * Returns whether the active user can view hidden items.
  *
  * @return bool
  */
 static function can_view_hidden_items()
 {
     if (identity::active_user()->admin) {
         return true;
     }
     $authorized_group = module::get_var("hide", "access_permissions");
     if (in_array($authorized_group, identity::group_ids_for_active_user())) {
         return true;
     }
     return false;
 }

 /**
  * Add a set of restrictions to any following queries to restrict access only to items
  * viewable by the active user.
  * @chainable
  */
 static function viewable($model)
 {
     $view_restrictions = array();
     if (!identity::active_user()->admin) {
         foreach (identity::group_ids_for_active_user() as $id) {
             $view_restrictions[] = array("items.view_{$id}", "=", access::ALLOW);
         }
     }
     if (count($view_restrictions)) {
         $model->and_open()->merge_or_where($view_restrictions)->close();
     }
     return $model;
 }

 /**
  * Add a set of restrictions to any following queries to restrict access only to items
  * viewable by the active user.
  * @chainable
  */
 static function viewable($model)
 {
     $view_restrictions = array();
     if (!identity::active_user()->admin) {
         foreach (identity::group_ids_for_active_user() as $id) {
             // Separate the first restriction from the rest to make it easier for us to formulate
             // our where clause below
             if (empty($view_restrictions)) {
                 $view_restrictions[0] = "items.view_{$id}";
             } else {
                 $view_restrictions[1]["items.view_{$id}"] = access::ALLOW;
             }
         }
     }
     switch (count($view_restrictions)) {
         case 0:
             break;
         case 1:
             $model->where($view_restrictions[0], access::ALLOW);
             break;
         default:
             $model->open_paren();
             $model->where($view_restrictions[0], access::ALLOW);
             $model->orwhere($view_restrictions[1]);
             $model->close_paren();
             break;
     }
     return $model;
 }