src/social/api/views.py

   1 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   3 #
   4 from django.http import Http404
   5 from rest_framework.generics import ListAPIView, get_object_or_404
   6 from rest_framework.permissions import IsAuthenticated
   7 from rest_framework.response import Response
   8 from rest_framework.views import APIView
   9 from api.models import BookUserData
  10 from api.utils import vary_on_auth
  11 from catalogue.api.helpers import order_books, books_after
  12 from catalogue.api.serializers import BookSerializer
  13 from catalogue.models import Book
  14 from social.utils import likes
  15
  16
  17 @vary_on_auth
  18 class LikeView(APIView):
  19     permission_classes = [IsAuthenticated]
  20
  21     def get(self, request, slug):
  22         book = get_object_or_404(Book, slug=slug)
  23         return Response({"likes": likes(request.user, book)})
  24
  25     def post(self, request, slug):
  26         book = get_object_or_404(Book, slug=slug)
  27         action = request.query_params.get('action', 'like')
  28         if action == 'like':
  29             book.like(request.user)
  30         elif action == 'unlike':
  31             book.unlike(request.user)
  32         return Response({})
  33
  34
  35 @vary_on_auth
  36 class ShelfView(ListAPIView):
  37     permission_classes = [IsAuthenticated]
  38     serializer_class = BookSerializer
  39
  40     def get_queryset(self):
  41         state = self.kwargs['state']
  42         if state not in ('reading', 'complete', 'likes'):
  43             raise Http404
  44         new_api = self.request.query_params.get('new_api')
  45         after = self.request.query_params.get('after')
  46         count = int(self.request.query_params.get('count', 50))
  47         if state == 'likes':
  48             books = Book.tagged.with_any(self.request.user.tag_set.all())
  49         else:
  50             ids = BookUserData.objects.filter(user=self.request.user, complete=state == 'complete')\
  51                 .values_list('book_id', flat=True)
  52             books = Book.objects.filter(id__in=list(ids)).distinct()
  53             books = order_books(books, new_api)
  54         if after:
  55             books = books_after(books, after, new_api)
  56         if count:
  57             books = books[:count]
  58
  59         return books
  60