def get(self, request):
context = {}
books = Book.objects.prefetch_related("authors", "genre")
gen = Genre.objects.all()
# Проверка на владельца книги для удаления/редактирования
if request.user.is_authenticated:
is_owner = Exists(
User.objects.filter(books=OuterRef("pk"), id=request.user.id))
books = books.annotate(is_owner=is_owner)
# Добавление постраничного вывода
page = request.GET.get('page', 1)
books = Paginator(books, 7)
try:
books = books.get_page(page)
except PageNotAnInteger:
books = books.page(1)
except EmptyPage:
books = books.page(books.num_pages)
context['books'] = books
context['range'] = range(1, 6)
context['form'] = BookForm()
context['gen'] = gen
context['page'] = page
return render(request, "index.html", context)
def get(self, request, slug):
if request.user.is_authenticated:
book = Book.objects.get(slug=slug)
if request.user in book.authors.all():
form = BookForm(instance=book)
return render(request, "update_book.html", {"form": form, "slug": book.slug})
return redirect('the-main-page')
def post(self, request):
if request.user.is_authenticated:
bf = BookForm(data=request.POST, files=request.FILES)
book = bf.save(commit=True)
book.authors.add(request.user)
book.save()
return redirect("the-main-page")
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 get(self, request):
context = {}
comment_query = Comment.objects.annotate(
count_like=Count("users_like")).select_related("author")
comments = Prefetch("comments", comment_query)
context['books'] = Book.objects.prefetch_related("authors", comments)
context['range'] = range(1, 6)
context['form'] = BookForm()
return render(request, "index.html", context)
def get(self, request):
context = {}
books = Book.objects.prefetch_related("authors")
if request.user.is_authenticated:
is_owner = Exists(User.objects.filter(books=OuterRef('pk'), id=request.user.id))
books = books.annotate(is_owner=is_owner)
context['books'] = books.order_by("rate", "date") #sorted
context['range'] = range(1, 6)
context['form'] = BookForm()
return render(request, "index.html", context)
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")
def get(self, request):
context = {}
books = Book.objects.prefetch_related("authors")
if request.user.is_authenticated:
is_owner = Exists(
User.objects.filter(books=OuterRef("pk"), id=request.user.id))
books = books.annotate(is_owner=is_owner)
paginator = Paginator(books.order_by("-rate", "date"),
5) # CREATE PAGINATOR
context['books'] = paginator.get_page(request.GET.get(
"page", 1)) # CREATE PAGINATOR
context['range'] = range(1, 6)
context['form'] = BookForm()
return render(request, "index.html", context)
def get(self, request):
context = {}
books = Book.objects.prefetch_related('authors', 'genre')
gen = Genre.objects.all()
if request.user.is_authenticated:
is_owner = Exists(
User.objects.filter(books=OuterRef('pk'), id=request.user.id))
books = books.annotate(is_owner=is_owner)
paginator = Paginator(books.order_by('data'), 5)
context['books'] = paginator.get_page(request.GET.get('page', 1))
context['range'] = range(1, 6)
context['form'] = BookForm()
context['gen'] = gen
return render(request, 'index.html', context)
def get(self, request, genre):
books = Book.objects.filter(genre__text=genre)
context = {}
books = books.prefetch_related('authors', 'genre')
gen = Genre.objects.all()
if request.user.is_authenticated:
is_owner = Exists(
User.objects.filter(books=OuterRef('pk'), id=request.user.id))
books = books.annotate(is_owner=is_owner)
context['books'] = books.order_by('data')
context['range'] = range(1, 6)
context['form'] = BookForm()
context['gen'] = gen
return render(request, 'page_books_genre.html', context)
def get(self, request, genre):
context = {}
genres_all = Genre.objects.all()
genre = genres_all.get(genre=genre)
books = Book.objects.prefetch_related("authors", "genres")
if request.user.is_authenticated:
is_owner = Exists(
User.objects.filter(books=OuterRef('pk'), id=request.user.id))
is_liked = Exists(
User.objects.filter(liked_books=OuterRef('pk'),
id=request.user.id))
books = books.annotate(is_owner=is_owner, is_liked=is_liked)
context['books'] = books.filter(genres=genre).order_by("-rate", "date")
context['range'] = range(1, 6)
context['form'] = BookForm()
context['login_form'] = AuthenticationForm()
context['genres_all'] = genres_all
context['genre'] = genre
return render(request, "books_genre_filter.html", context)
def get(self, request):
context = {}
genres_all = Genre.objects.all()
books = Book.objects.prefetch_related("authors", "genres")
if request.user.is_authenticated:
is_owner = Exists(
User.objects.filter(books=OuterRef('pk'), id=request.user.id))
is_liked = Exists(
User.objects.filter(liked_books=OuterRef('pk'),
id=request.user.id))
books = books.annotate(is_owner=is_owner, is_liked=is_liked)
books = books.order_by("-rate", "date")
context['range'] = range(1, 6)
context['form'] = BookForm()
context['login_form'] = AuthenticationForm()
context['genres_all'] = genres_all
paginator = Paginator(books, 3)
page_number = request.GET.get('page', 1) # number of page or 1
page_obj = paginator.get_page(page_number)
context['page_obj'] = page_obj
return render(request, "index.html", context)
def get(self, request, genre):
books = Book.objects.filter(genre__name_genre=genre)
context = {}
books = books.prefetch_related('authors', 'genre')
gen = Genre.objects.all()
if request.user.is_authenticated:
is_owner = Exists(
User.objects.filter(books=OuterRef('pk'), id=request.user.id))
books = books.annotate(is_owner=is_owner)
# Добавление постраничного отображения
page = request.GET.get('page', 1)
books = Paginator(books, 7)
try:
books = books.get_page(page)
except PageNotAnInteger:
books = books.page(1)
except EmptyPage:
books = books.page(books.num_pages)
context['books'] = books
context['range'] = range(1, 6)
context['form'] = BookForm()
context['gen'] = gen
context['page'] = page
return render(request, 'page_books_genre.html', context)