function checkUser()
 {
     $user = $this->getSession()->get('user');
     if (empty($user)) {
         $bag = new Bag();
         $bag->set('loginerror', 'FORBIDDEN, you need to log in first!!!');
         $this->redirect('admin');
     }
 }
 /**
  * This is the main function of the class
  * @return void
  */
 function indexAction()
 {
     $post = $this->gPOST();
     $signin = $post->signin;
     //check in db
     $OK = $this->validate($signin);
     if (!$OK) {
         $bag = new Bag();
         $bag->set('loginerror', 'The email or password does not match the records.');
         $this->redirect('admin');
     } else {
         $this->redirect('dashboard');
     }
 }