src/social/api/views.py

   1 # This file is part of Wolne Lektury, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Wolne Lektury. 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 from social.views import get_sets_for_book_ids
  16
  17
  18 @vary_on_auth
  19 class LikeView(APIView):
  20     permission_classes = [IsAuthenticated]
  21
  22     def get(self, request, slug):
  23         book = get_object_or_404(Book, slug=slug)
  24         return Response({"likes": likes(request.user, book)})
  25
  26     def post(self, request, slug):
  27         book = get_object_or_404(Book, slug=slug)
  28         action = request.query_params.get('action', 'like')
  29         if action == 'like':
  30             book.like(request.user)
  31         elif action == 'unlike':
  32             book.unlike(request.user)
  33         return Response({})
  34
  35
  36 @vary_on_auth
  37 class LikesView(APIView):
  38     permission_classes = [IsAuthenticated]
  39
  40     def get(self, request):
  41         slugs = request.GET.getlist('slug')
  42         books = Book.objects.filter(slug__in=slugs)
  43         books = {b.id: b.slug for b in books}
  44         ids = books.keys()
  45         res = get_sets_for_book_ids(ids, request.user)
  46         res = {books[bid]: v for bid, v in res.items()}
  47         return Response(res)
  48
  49
  50
  51 @vary_on_auth
  52 class ShelfView(ListAPIView):
  53     permission_classes = [IsAuthenticated]
  54     serializer_class = BookSerializer
  55     pagination_class = None
  56
  57     def get_queryset(self):
  58         state = self.kwargs['state']
  59         if state not in ('reading', 'complete', 'likes'):
  60             raise Http404
  61         new_api = self.request.query_params.get('new_api')
  62         after = self.request.query_params.get('after')
  63         count = int(self.request.query_params.get('count', 50))
  64         if state == 'likes':
  65             books = Book.tagged.with_any(self.request.user.tag_set.all())
  66         else:
  67             ids = BookUserData.objects.filter(user=self.request.user, complete=state == 'complete')\
  68                 .values_list('book_id', flat=True)
  69             books = Book.objects.filter(id__in=list(ids)).distinct()
  70             books = order_books(books, new_api)
  71         if after:
  72             books = books_after(books, after, new_api)
  73         if count:
  74             books = books[:count]
  75
  76         return books
  77