src/social/api/views.py

   1 # -*- coding: utf-8 -*-
   2 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   3 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   4 #
   5 from django.http import Http404
   6 from rest_framework.generics import ListAPIView, get_object_or_404
   7 from rest_framework.permissions import IsAuthenticated
   8 from rest_framework.response import Response
   9 from rest_framework.views import APIView
  10 from api.models import BookUserData
  11 from api.utils import vary_on_auth
  12 from catalogue.api.helpers import order_books, books_after
  13 from catalogue.api.serializers import BookSerializer
  14 from catalogue.models import Book
  15 from social.utils import likes
  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 ShelfView(ListAPIView):
  38     permission_classes = [IsAuthenticated]
  39     serializer_class = BookSerializer
  40
  41     def get_queryset(self):
  42         state = self.kwargs['state']
  43         if state not in ('reading', 'complete', 'likes'):
  44             raise Http404
  45         new_api = self.request.query_params.get('new_api')
  46         after = self.request.query_params.get('after')
  47         count = int(self.request.query_params.get('count', 50))
  48         if state == 'likes':
  49             books = Book.tagged.with_any(self.request.user.tag_set.all())
  50         else:
  51             ids = BookUserData.objects.filter(user=self.request.user, complete=state == 'complete')\
  52                 .values_list('book_id', flat=True)
  53             books = Book.objects.filter(id__in=list(ids)).distinct()
  54             books = order_books(books, new_api)
  55         if after:
  56             books = books_after(books, after, new_api)
  57         if count:
  58             books = books[:count]
  59
  60         return books
  61