/**
  * Removes ownership of all workspaces currently owned by the given user
  *
  * @param User $user The user currently owning workspaces
  * @return void
  */
 protected function removeOwnerFromUsersWorkspaces(User $user)
 {
     /** @var Workspace $workspace */
     foreach ($this->workspaceRepository->findByOwner($user) as $workspace) {
         $workspace->setOwner(null);
         $this->workspaceRepository->update($workspace);
     }
 }