/**
* @param UserInterface|User $user
* @param UserResponseInterface $response
*/
public function connect(UserInterface $user, UserResponseInterface $response)
{
/** @var User $previousUser */
$previousUser = $this->userManager->findUserBy(['slackUserName' => $response->getUsername()]);
if ($previousUser !== null) {
$previousUser->setSlackUserName(null);
$previousUser->setSlackAccessToken(null);
$this->userManager->updateUser($previousUser);
}
$user->setSlackUserName($response->getUsername());
$user->setSlackAccessToken($response->getAccessToken());
$this->userManager->updateUser($user);
}