/**
returns an array of errors if unsuccessful or a User if successful
*/
public static function registerUser($username, $password, $retypedPassword, $email, $retyptedEmail)
{
$errors = null;
$result = self::registerInputIsValid($username, $password, $retypedPassword, $email, $retyptedEmail);
if ($result !== true) {
return $result;
} else {
if (!self::usernameIsAvailable($username)) {
$errors['usernameTaken'] = true;
return $errors;
} else {
$result = UserRepository::addUser($username, $password, $email);
if ($result !== null) {
return $result;
} else {
$errors['databaseError'] = true;
return $errors;
}
}
}
}