public function renderDefault($category = '')
 {
     $selectedCategory = $this->articleManager->getCategory($category);
     if (!$selectedCategory) {
         throw new BadRequestException();
     }
     $this->template->selectedCategory = $selectedCategory;
     $this->template->categories = $this->articleManager->findCategories();
     $this->template->articles = $this->articleManager->findAllInCategory($category, $this->language);
 }
 public function renderDefault()
 {
     $this->template->categories = $this->articleManager->findCategories();
 }