def get(self, request, num_page=1):
response = {}
if request.user.is_authenticated:
sub_query_1 = BookLike.objects.filter(
user=request.user, book=OuterRef('pk')).values('rate')
sub_query_2 = Exists(
User.objects.filter(id=request.user.id, book=OuterRef('pk')))
sub_query_3 = Exists(
User.objects.filter(id=request.user.id,
comment=OuterRef('pk')))
sub_query_4 = Exists(
User.objects.filter(id=request.user.id, like=OuterRef('pk')))
comment = Comment.objects.annotate(is_owner=sub_query_3, is_liked=sub_query_4).\
select_related('user').prefetch_related('like')
comment_prefetch = Prefetch('comment', comment)
result = Book.objects.annotate(user_rate=Cast(sub_query_1, CharField()), is_owner=sub_query_2).\
prefetch_related(comment_prefetch, "author", "genre", 'rate')
else:
result = Book.objects. \
prefetch_related("author", "genre", "comment", "comment__user").all()
response['form'] = CommentForm()
pag = Paginator(result, 3)
response['content'] = pag.page(num_page)
response['count_page'] = list(range(1, pag.num_pages + 1))
response['bookform'] = BookForm()
return render(request, "index.html", response)
def get(self, request, id):
book = Book.objects.get(id=id)
bf = BookForm(instance=book)
return render(request, 'update_book.html', {
'book_form': bf,
"id": book.id
})
def get(self, request, book_slug):
if request.user.is_authenticated:
book = Book.objects.get(slug=book_slug)
if request.user in book.author.all():
bf = BookForm(instance=book)
return render(request, "update_book.html", {"form": bf, "slug": book.slug})
return redirect("hello")
def post(self, request, book_slug):
book = Book.objects.get(slug=book_slug)
bf = BookForm(instance=book, data=request.POST)
if bf.is_valid():
bf.save()
return redirect("hello")
# class AddLikeAjax(View):
# def post(self, request):
# if request.user.is_authenticated:
# cl_id = request.POST['cl_id'][3:]
# flag = CommentLike(user=request.user, comment_id=cl_id).save()
# comment = Comment.objects.get(id=cl_id)
# return JsonResponse({"ok": True,
# 'count_like': comment.cached_like,
# 'flag': flag,
# 'user': request.user.username
# })
# return JsonResponse({"ok": False})
#
#
# class AddRateAjax(View):
# def post(self, request):
# if request.user.is_authenticated:
# book_id = request.POST['book_id']
# rate = request.POST['book_rate']
# bl = BookLike(user=request.user, book_id=book_id, rate=rate)
# flag = bl.save()
# bl.book.refresh_from_db()
# return JsonResponse({'user': request.user.username, "flag": flag, 'cached_rate': bl.book.cached_rate, 'rate': bl.rate })
# return JsonResponse({"ok": False})
#
#
# class DeleteCommentAjax(View):
# def delete(self, request, comment_id):
# if request.user.is_authenticated:
# Comment.objects.filter(id=comment_id, user=request.user).delete()
# return JsonResponse({"ok": False})
#
#
# class AddNewBookAjax(View):
# def post(self):
# pass
def get(self, request, book_slug):
if request.user.is_authenticated:
book = Book.objects.get(slug=book_slug)
if request.user in book.author.all():
bf = BookForm(instance=book)
return render(request, 'update_book.html', {
'form': bf,
'slug': book_slug
})
return redirect('hello')
def post(self, request):
bf = BookForm(renderer=request, data=request.POST)
if bf.is_valid():
new_book = bf.save(commit=False)
new_book.slug = slugify(bf.cleaned_data['title'])
new_book.save()
new_book.author.add(request.user)
bf.save_m2m()
return redirect('hello')
def post(self, request):
book = BookForm(data=request.POST)
if book.is_valid():
nb = book.save(commit=False)
nb.slug = slugify(nb.title)
try:
nb.save()
except IntegrityError:
nb.slug += datetime.now().strftime("%Y:%m:%d:%H:%M:%S:%f")
nb.save()
nb.author.add(request.user)
book.save_m2m()
return redirect('hello')
return redirect('add_book')
def post(self, request, id):
book = Book.objects.get(id=id)
f = BookForm(request.POST, instance=book)
f.save()
return redirect('hello')
def get(self, request):
bf = BookForm()
return render(request, "add_new_book.html", {'book_form': bf, 'id': 0})
def get(self, request):
form = BookForm()
return render(request, "create_book.html", {"form": form})
def post(self, request, book_slug):
book = Book.objects.get(slug=book_slug)
bf = BookForm(instance=book, data=request.POST)
if bf.is_valid():
bf.save()
return redirect('hello')
def get(self, request):
form = BookForm()
return render(request, 'create_book.html', {'form': form})