// First time this google ID appeared in the DB
$googleProvider->save();
$user->fetchProviders();
$jwt = $user->getJWT();
$headersHandler->sendJSONData(['token' => $jwt]);
$outputHandler->write($jwt);
} else {
// Someone is already using that account with other Vote App account
$headersHandler->sendHeaderCode(401);
$headersHandler->sendJSONData(['error' => "google account already in use"]);
$outputHandler->write("google account " . $retrievedData['email'] . " already in use");
}
} else {
// b from the list
$googleProvider = new GoogleProvider($database, 0, $google_client);
$accessToken = $googleProvider->getAccessToken($code);
$userGoogleData = $googleProvider->retrieveData();
// Check if id from userGoogleData exists as google_id in google_users
$checkIDQuery = $database->prepare("SELECT id, user_id FROM google_users WHERE google_id = :googleID LIMIT 1;");
$checkIDQuery->bindParam(":googleID", $userGoogleData['id'], PDO::PARAM_INT);
$checkIDQuery->execute();
$checkIDData = $checkIDQuery->fetch(PDO::FETCH_ASSOC);
if ($checkIDData) {
// Already exists, log in existing user
$user = new User($database);
$user->fetchUser($checkIDData['user_id']);
$jwt = $user->getJWT();
$headersHandler->sendJSONData(['token' => $jwt]);
$outputHandler->write($jwt);
} else {
// Does not exist, register user
