CBV to mix FormView and DetailView functionalities

class FormAndDetailView(FormMixin, DetailView):
    """
    Class based view to make form and detail views work together properly.
    """

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context["form"] = self.get_form()
        return context

    def post(self, request, *args, **kwargs):
        self.object = self.get_object()
        form = self.get_form()
        if form.is_valid():
            return self.form_valid(form)
        else:
            return self.form_invalid(form)