/**
* Find a user based on its login and its type of authentication
* @param string $sLogin Login/identifier of the user
* @param string $sAuthentication Type of authentication used: internal|external|any
* @return User The found user or null
*/
protected static function FindUser($sLogin, $sAuthentication = 'any')
{
if ($sAuthentication == 'any') {
$oUser = self::FindUser($sLogin, 'internal');
if ($oUser == null) {
$oUser = self::FindUser($sLogin, 'external');
}
} else {
if (!isset(self::$m_aCacheUsers)) {
self::$m_aCacheUsers = array('internal' => array(), 'external' => array());
}
if (!isset(self::$m_aCacheUsers[$sAuthentication][$sLogin])) {
switch ($sAuthentication) {
case 'external':
$sBaseClass = 'UserExternal';
break;
case 'internal':
$sBaseClass = 'UserInternal';
break;
default:
echo "<p>sAuthentication = {$sAuthentication}</p>\n";
assert(false);
// should never happen
}
$oSearch = DBObjectSearch::FromOQL("SELECT {$sBaseClass} WHERE login = :login");
$oSet = new DBObjectSet($oSearch, array(), array('login' => $sLogin));
$oUser = $oSet->fetch();
self::$m_aCacheUsers[$sAuthentication][$sLogin] = $oUser;
}
$oUser = self::$m_aCacheUsers[$sAuthentication][$sLogin];
}
return $oUser;
}
