urlpatterns = [
    path('', IndexView.as_view(), name='index'), # Главная страница
    path('blog/', ArticleListView.as_view(), name='article-list'), # Страница блога с перечнем всех статей
    path('blog/<str:slug>/', CategoryListView.as_view(), name='category-list'), # Страница категории со статьями категории
    path('<str:slug>/', ArticleDetailView.as_view(), name='article-detail'), # Детальная страница поста
    # path('<str:slug>/', ArticleByCategoryListView.as_view(), name='article-by-cat')
]

 class IndexView(ListView):
    model = Article
    template_name = 'blog/index.html'
    context_object_name = 'articles'
    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['title'] = 'Главная страница'
        return context
class ArticleListView(ListView):
    model = Article
    template_name = 'blog/blog.html'
    context_object_name = 'articles'
    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['title'] = 'Главная страница'
        return context
class ArticleDetailView(DetailView):
    model = Article
    template_name = 'blog/single-post.html'
    context_object_name = 'article'
    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['title'] = self.object.title
        return context
class ArticleByCategoryListView(ListView):
    model = Article
    template_name = 'blog/blog.html'
    context_object_name = 'articles'
    category = None
    def get_queryset(self):
        self.category = Category.objects.get(slug=self.kwargs['slug'])
        queryset = Article.objects.all().filter(category_id=self.category.id)
        return queryset
    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['title'] = f'{self.category.title}'
        return context
class CategoryListView(ListView):
    model = Category
    template_name = "blog/category.html"