public function deleteGroup($id)
 {
     $userGroup = \Sentinel::getUserGroupProvider();
     if ($userGroup->hasUsers($id)) {
         throw new Exceptions\GroupIsNotEmptyException();
     } else {
         $this->createModel()->destroy([$id]);
     }
 }
 public function __construct()
 {
     $this->groupProvider = \Sentinel::getGroupProvider();
     $this->userGroupProvider = \Sentinel::getUserGroupProvider();
     Flash::setMessagedEntity('group');
 }
 /**
  * @param \Illuminate\Database\Eloquent\Model $user
  * @param array $data
  */
 public function createUserRelatedRecords($user, $data = [])
 {
     if (isset($data['groups'])) {
         foreach ($data['groups'] as $groupID) {
             if ($groupID == Group::users) {
                 continue;
             }
             \Sentinel::getUserGroupProvider()->attach($user->getAttribute('id'), $groupID);
         }
     }
     //In every case, we attach the user to the user group.
     \Sentinel::getUserGroupProvider()->attachToUsersGroup($user->getAttribute('id'));
     return \Spirit::getPersonProvider()->createPerson($data);
 }