public function update($accountId)
 {
     $rule = $this->rules;
     $rule['username'][2] .= ',' . $accountId;
     $validator = Validator::make(Input::all(), $rule);
     if ($validator->fails()) {
         return Redirect::back()->withErrors($validator)->withInput();
     } else {
         $game = Game::findOrFail(Input::get('game_id'));
         $user = User::findOrFail(Input::get('user_id'));
         $account = Account::findOrFail($accountId);
         $account->username = Input::get('username');
         $account->password = Input::get('password');
         $account->user_id = $user->id;
         $account->game_id = $game->id;
         $account->save();
         return Redirect::to(route('admin.account.show', $account->id));
     }
 }