public function login($dbConnection = null)
{
global $facebook;
global $session;
$facebookID = null;
$loggedIn = false;
try {
$facebookID = $facebook->getUser();
if ($facebookID != null) {
if ($dbConnection == null) {
$dbConnection = DatabaseUtilities::getDatabaseConnection();
}
$sessionKey = SessionDao::generateSGUID($facebookID, $dbConnection);
//If sguid is null, attempt to create users account.
if ($sessionKey == null) {
//If member account is successfully created, attemp to generate a GUID.
if (LoginController::createMemberAccount($facebookID, $facebook)) {
//Account should have been created, get SGUID.
$sessionKey = SessionDao::generateSGUID($facebookID, $dbConnection);
}
}
//If session key has been created, add to session
if ($sessionKey != null) {
//Refresh any old sessions.
if (SessionDao::updateSession($facebookID, $sessionKey, $dbConnection)) {
$_SESSION[LoginController::SESSION_ID] = $sessionKey;
$loggedIn = true;
}
}
} else {
//User has not authenticated with Facebook.
}
} catch (Exception $ex) {
echo "Exception: " . $ex->getMessage();
$loggedIn = false;
}
return $loggedIn;
}
