class PostListView(ListView):
    paginate_by = 5
    template_name='blog/post_list.html'

    def get_is_reversed_sorting(self):
        """some code"""
        return

    def get_sorting_filter(self):
        """some code"""
        return

    def get_search_query(self):
        """some code"""
        return

    def order_queryset(self, qs):
        """some code"""
        return

    def get_context_data(self, **kwargs):
        return context

    def get_queryset(self):
        return qs


class CategoryView(SingleObjectMixin, ListView):
    paginate_by = 5
    template_name='blog/category_page.html'

    def get_is_reversed_sorting(self):
        """some code"""
        return

    def get_sorting_filter(self):
        """some code"""
        return

    def get_search_query(self):
        """some code"""
        return

    def order_queryset(self, qs):
        return qs

    def get(self, request, *args, **kwargs):
        self.object = self.get_object(queryset=Category.objects.all())
        return super(CategoryView, self).get(request, *args, **kwargs)

    def get_context_data(self, **kwargs):
        return context

    def get_queryset(self):
        return qs


class TagView(SingleObjectMixin, ListView):
    paginate_by = 5
    template_name='blog/tag_page.html'

    def get_is_reversed_sorting(self):
        """some code"""
        return

    def get_sorting_filter(self):
        """some code"""
        return

    def get_search_query(self):
        """some code"""
        return

    def order_queryset(self, qs):
        return qs

    def get(self, request, *args, **kwargs):
        self.object = self.get_object(queryset=Tag.objects.all())
        return super(TagView, self).get(request, *args, **kwargs)

    def get_context_data(self, **kwargs):
        context = super(TagView, self).get_context_data(**kwargs)
        return context

    def get_queryset(self):
        return qs