def post(self, request, slug):
if request.user.is_authenticated:
book = Book.objects.get(slug=slug)
if request.user in book.authors.all():
bf = BookForm(instance=book, data=request.POST)
if bf.is_valid():
bf.save(commit=True)
return redirect('the-main-page')
def post(self, request):
if request.user.is_authenticated:
bf = BookForm(request.POST, request.FILES)
if bf.is_valid():
book = bf.save(commit=True)
book.authors.add(request.user)
book.save()
return redirect("the-main-page")
messages.error(request,
"книга с таким slug уже существует!!! измените slug")
return redirect("the-main-page")