/**
* 获取所有默认角色
*
* @return array
*/
public function getAllDefaultRoles()
{
if (null == self::$_allDefaultRoles) {
self::$_allDefaultRoles = $this->_cache->load('acl_all_default_roles');
if (self::$_allDefaultRoles == false) {
$rows = $this->_db->select()->from(array('role' => 'acl_role'), array('role_name', 'mod_name'))->join('acl_module', 'acl_module.mod_name=role.mod_name', array())->where('role.is_guest=0')->where('role.is_default=1');
$rows = $this->_db->fetchAll($rows);
$roles = array();
foreach ($rows as $row) {
$roles[$row['mod_name']] = "{$row['mod_name']}.{$row['role_name']}";
}
self::$_allDefaultRoles = $roles;
$this->_cache->save($roles, 'acl_all_default_roles');
}
}
return self::$_allDefaultRoles;
}
/**
* Make a query into the module table.
* The function make the query directly for avoid caches.
*
* @param string $module Name of the module.
* @param string $field Name of the field for get.
*
* @return mix
*/
private function _moduleRow($module, $field = 'id')
{
$select = $this->_db->select()->from('module')->where('name = ?', $module);
$stmt = $this->_db->query($select);
$rows = $stmt->fetchAll();
switch ($field) {
case 'id':
$default = 0;
break;
case 'version':
default:
$default = null;
break;
}
if (isset($rows[0])) {
return $rows[0][$field];
} else {
return $default;
}
}
