form_invalid redirection with CBVs

[David]

Following a form_invalid I need to redirect to the CreateComment view below with the errors shown in the form. Is this possible please? Highlighted is where I need help.

Thank you for any assistance.

class Comments(View):

def get(self, request, *args, **kwargs):

view = CreateComment.as_view()

return view(request, *args, **kwargs)

def post(self, request, *args, **kwargs):

view = CommentCreate.as_view()

return view(request, *args, **kwargs)

class CreateComment(ListView):

model = Comment

paginate_by = 2

def get_queryset(self):

comments = Comment.objects.filter(

object_id=self.kwargs['pk'], content_type_id=self.kwargs['ct']

).order_by('-created')

return comments

def get_context_data(self, **kwargs):

context = super(CreateComment, self).get_context_data(**kwargs)

context['form'] = CommentForm()

return context

class CommentCreate(SingleObjectMixin, FormView):

template_name = 'comment/comment_list.html'

form_class = CommentForm

model = Comment

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)

def get_success_url(self):

return reverse('comment:Comments', kwargs={'ct': self.kwargs['ct'], 'pk': self.kwargs['pk']})

def form_valid(self, form):

data = form.save(commit=False)

data.creator = self.request.user

data.object_id = self.kwargs['pk']

data.content_type_id = self.kwargs['ct']

data.save()

return super(CommentCreate, self).form_valid(form)

def form_invalid(self, form):

return super (CommentCreate, self).form_invalid(form)

[David]

This is what I am working from btw: https://docs.djangoproject.com/en/1.8/topics/class-based-views/mixins/#an-alternative-better-solution

[David]

Got this working. See below:

class CreateComment(MultipleObjectMixin, FormView):

template_name = 'comment/comment_list.html'

form_class = CommentForm

model = Comment

paginate_by = 5

def post(self, request, *args, **kwargs):

if not request.user.is_authenticated():

return HttpResponseForbidden()

self.object_list = Comment.objects.filter(

object_id=self.kwargs['pk'], content_type_id=self.kwargs['ct']

).order_by('-created')

form = self.get_form()

if form.is_valid():

return self.form_valid(form)

return super(CreateComment, self).post(request, *args, **kwargs)

def get_success_url(self):

return reverse('comment:Comments', kwargs={'ct': self.kwargs['ct'], 'pk': self.kwargs['pk']})

def form_valid(self, form):

data = form.save(commit=False)

data.creator = self.request.user

data.object_id = self.kwargs['pk']

data.content_type_id = self.kwargs['ct']

data.save()

return super(CreateComment, self).form_valid(form)

def get_context_data(self, **kwargs):

context = super(CreateComment, self).get_context_data(**kwargs)

context['paginate_by'] = self.paginate_by

return context