Minor fixes.
[wolnelektury.git] / src / catalogue / api / views.py
index 62876c0..c986950 100644 (file)
@@ -1,14 +1,14 @@
-# -*- coding: utf-8 -*-
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 import json
 from django.http import Http404, HttpResponse
+from django.utils.decorators import method_decorator
+from django.views.decorators.cache import never_cache
 from rest_framework.generics import ListAPIView, RetrieveAPIView, get_object_or_404
 from rest_framework.permissions import DjangoModelPermissionsOrAnonReadOnly
 from rest_framework.response import Response
 from rest_framework import status
-from paypal.permissions import IsSubscribed
 from api.handlers import read_tags
 from api.utils import vary_on_auth
 from .helpers import books_after, order_books
@@ -16,6 +16,7 @@ from . import serializers
 from catalogue.forms import BookImportForm
 from catalogue.models import Book, Collection, Tag, Fragment, BookMedia
 from catalogue.models.tag import prefetch_relations
+from club.permissions import IsClubMember
 from wolnelektury.utils import re_escape
 
 
@@ -52,6 +53,11 @@ class BookList(ListAPIView):
         new_api = self.request.query_params.get('new_api')
         after = self.request.query_params.get('after', self.kwargs.get('after'))
         count = self.request.query_params.get('count', self.kwargs.get('count'))
+        if count:
+            try:
+                count = int(count)
+            except TypeError:
+                raise Http404  # Fixme
 
         if tags:
             if self.kwargs.get('top_level'):
@@ -136,15 +142,23 @@ class BookDetail(RetrieveAPIView):
     serializer_class = serializers.BookDetailSerializer
 
 
+@vary_on_auth  # Because of embargo links.
 class EbookList(BookList):
     serializer_class = serializers.EbookSerializer
 
 
 @vary_on_auth  # Because of 'liked'.
 class Preview(ListAPIView):
-    queryset = Book.objects.filter(preview=True)
+    #queryset = Book.objects.filter(preview=True)
     serializer_class = serializers.BookPreviewSerializer
 
+    def get_queryset(self):
+        qs = Book.objects.filter(preview=True)
+        # FIXME: temporary workaround for a problem with iOS app.
+        if 'Darwin' in self.request.META['HTTP_USER_AGENT']:
+            qs = qs.none()
+        return qs
+
 
 @vary_on_auth  # Because of 'liked'.
 class FilterBookList(ListAPIView):
@@ -221,8 +235,9 @@ class FilterBookList(ListAPIView):
 class EpubView(RetrieveAPIView):
     queryset = Book.objects.all()
     lookup_field = 'slug'
-    permission_classes = [IsSubscribed]
+    permission_classes = [IsClubMember]
 
+    @method_decorator(never_cache)
     def get(self, *args, **kwargs):
         return HttpResponse(self.get_object().get_media('epub'))