protected function getPost($key)
 {
     $item = $this->finder->findPost(['key' => $key])->one();
     if ($item) {
         return $item;
     } else {
         throw new \yii\web\NotFoundHttpException(Yii::t('blog', 'The requested post does not exist'));
     }
 }
 /**
  * 
  * insertMenueCommand
  * 
  * @param String $ErrorString
  * @param String $StatusString
  */
 public function insertMenueCommand($ErrorString = "", $StatusString = "")
 {
     if (Controler_Main::getInstance()->getUserLevel() < BACKEND_USERLEVEL) {
         $ControlerStart = new Controler_Start();
         $ControlerStart->start();
         return false;
     }
     $Request = new Request();
     $ErrorString = "";
     $StatusString = "";
     $MenueFinder = new MenueFinder();
     $ContentFinder = new ContentFinder();
     $ContentManager = new ContentManager();
     $CommandFinder = new CommandFinder();
     $LinkName = $Request->getAsString("tb_LinkName");
     $MenueID = $Request->getAsString("MenueID");
     $InsertCommandID = $Request->getAsString("InsertCommandID");
     $InsertViewID = $Request->getAsString("InsertDisplayID");
     $InsertCommandGroupID = $Request->getAsString("InsertContentGroupID");
     $ContentCollection = $ContentFinder->findByMenueIdAndCommandId($MenueID, $InsertCommandID, $InsertViewID);
     $Content = $ContentCollection->getByIndex(0);
     $ID = $Content->getId();
     if ($ID != 0) {
         $ErrorString .= ":T_MENUE_ERROR2:";
     }
     if (strlen($ErrorString) != 0) {
         $this->showEditMenue($ErrorString, $StatusString);
         return false;
     }
     $Command = $CommandFinder->findById($InsertCommandID);
     $Position = 1;
     $Checker = $ContentManager->insertMenueCommandByMenueIdAndCommandId($MenueID, $InsertCommandID, $Command->getName(), $InsertViewID, $InsertCommandGroupID, $Position);
     if (false == $Checker) {
         $ErrorString .= ":T_MENUE_ERROR3:";
         $this->showEditMenue($ErrorString, $StatusString);
         return false;
     }
     $this->showEditMenue("", ":T_MENUE_INSERT_COMMAND_STATUS:");
 }