def form_valid(self, form):
self.object = form.save(commit=False)
self.object.slug = helpers.get_post_slug(self.object.title,
self.request.user)
self.object.owner = self.request.user
self.object.save()
return HttpResponseRedirect(self.get_success_url())
def post(self, request, *args, **kwargs):
form_class = self.get_form_class()
form = self.get_form(form_class)
files = request.FILES.getlist("file")
if form.is_valid():
for f in files:
try:
content = f.read().decode("utf-8")
except (UnicodeDecodeError, ValueError):
form.add_error("file", "File is not valid UTF-8.")
return self.form_invalid(form)
models.Post.objects.create(
title=f.name,
slug=helpers.get_post_slug(f.name, request.user),
body=content,
owner=request.user,
published_at=None,
)
return self.form_valid(form)
else:
return self.form_invalid(form)
def form_valid(self, form):
# hidden code for slug: if slug is ":gen" then generate it from the title
if form.cleaned_data.get("slug") == ":gen":
self.object = form.save(commit=False)
self.object.slug = helpers.get_post_slug(
self.object.title, self.request.user
)
self.object.owner = self.request.user
self.object.save()
return super().form_valid(form)
# check if slug is unique among this user's posts
if (
models.Post.objects.filter(
owner=self.request.user, slug=form.cleaned_data.get("slug")
)
.exclude(id=self.object.id)
.exists()
):
form.add_error("slug", "This slug is used by another of your posts.")
return self.render_to_response(self.get_context_data(form=form))
self.object = form.save()
return super().form_valid(form)