/**
  * update
  *
  * @param MenuRetrieveHandler $menuHandler   basic handler
  * @param MenuAlterHandler    $menuChanger   menu alter handler
  * @param MenuConfigHandler   $configHandler menu config handler
  * @param string              $menuId        to update menu entity object id
  *
  * @return RedirectResponse
  * @throws Exception
  */
 public function update(MenuRetrieveHandler $menuHandler, MenuAlterHandler $menuChanger, MenuConfigHandler $configHandler, $menuId)
 {
     $menu = $menuHandler->getMenu($menuId);
     $inputs = Request::all();
     $rules = ['menuTitle' => 'required', 'theme_desktop' => 'required', 'theme_mobile' => 'required'];
     $validator = Validator::make($inputs, $rules);
     if ($validator->fails()) {
         Request::flash();
         return Redirect::back()->with('alert', ['type' => 'danger', 'message' => $validator->messages()]);
     }
     XeDB::beginTransaction();
     try {
         $menuChanger->putMenu($menu, $inputs);
         $desktopTheme = $inputs['theme_desktop'];
         $mobileTheme = $inputs['theme_desktop'];
         $configHandler->updateMenuTheme($menu, $desktopTheme, $mobileTheme);
     } catch (Exception $e) {
         XeDB::rollback();
         Request::flash();
         return Redirect::back()->with('alert', ['type' => 'danger', 'message' => $e->getMessage()]);
     }
     XeDB::commit();
     return Redirect::route('settings.menu.index');
 }
 /**
  * testUpdateMenuTheme
  *
  * @return void
  */
 public function testUpdateMenuTheme()
 {
     // MenuEntity $menu, $theme
     $configManager = $this->configManager;
     $themeHandler = $this->themeHandler;
     $configManager->shouldReceive('modify')->andReturn('defaultTheme');
     $dummyConfigEntity = m::mock('Xpressengine\\Config\\ConfigEntity');
     $configManager->shouldReceive('get')->andReturn($dummyConfigEntity);
     $dummyConfigEntity->shouldReceive('set')->andReturn();
     $dummyMenu = new MenuEntity(['id' => 'testMenu', 'title' => 'testTitle', 'description' => 'testDescription'], new TreeCollection([new MenuItem(['id' => 'testMenu'])]), new Collection());
     $menuConfigHandler = new MenuConfigHandler($configManager, $themeHandler);
     $menuConfigHandler->updateMenuTheme($dummyMenu, 'blueTheme', 'blueMobileTheme');
 }