/**
* Saves a Foreign_link between Twitter user and local user,
* which includes the access token and secret.
*
* @param int $user_id StatusNet user ID
* @param int $twuid Twitter user ID
* @param OAuthToken $token the access token to save
*
* @return nothing
*/
function saveForeignLink($user_id, $twuid, $access_token)
{
$flink = new Foreign_link();
$flink->user_id = $user_id;
$flink->service = TWITTER_SERVICE;
// delete stale flink, if any
$result = $flink->find(true);
if (!empty($result)) {
$flink->safeDelete();
}
$flink->user_id = $user_id;
$flink->foreign_id = $twuid;
$flink->service = TWITTER_SERVICE;
$creds = TwitterOAuthClient::packToken($access_token);
$flink->credentials = $creds;
$flink->created = common_sql_now();
// Defaults: noticesync on, everything else off
$flink->set_flags(true, false, false, false);
$flink_id = $flink->insert();
if (empty($flink_id)) {
common_log_db_error($flink, 'INSERT', __FILE__);
// TRANS: Server error displayed when linking to a Twitter account fails.
$this->serverError(_m('Could not link your Twitter account.'));
}
return $flink_id;
}