Sponsor pages fix
[wolnelektury.git] / src / catalogue / api / views.py
index 7c4b888..5512501 100644 (file)
@@ -1,34 +1,57 @@
-# -*- 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
+import os.path
+from django.conf import settings
 from django.http import Http404, HttpResponse
-from rest_framework.generics import ListAPIView, RetrieveAPIView, get_object_or_404
+from django.utils.decorators import method_decorator
+from django.views.decorators.cache import never_cache
+from rest_framework.generics import (ListAPIView, RetrieveAPIView,
+                                     RetrieveUpdateAPIView, 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
-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.models import Membership
+from club.permissions import IsClubMember
 from wolnelektury.utils import re_escape
+from .helpers import books_after, order_books
+from . import serializers
 
 
 book_tag_categories = ['author', 'epoch', 'kind', 'genre']
 
 
+class CreateOnPutMixin:
+    '''
+    Creates a new model instance when PUTting a nonexistent resource.
+    '''
+    def get_object(self):
+        try:
+            return super().get_object()
+        except Http404:
+            if self.request.method == 'PUT':
+                lookup_url_kwarg = self.lookup_url_kwarg or self.lookup_field
+                return self.get_queryset().model(**{
+                    self.lookup_field: self.kwargs[lookup_url_kwarg]
+                })
+            else:
+                raise
+
+
 class CollectionList(ListAPIView):
-    queryset = Collection.objects.all()
+    queryset = Collection.objects.filter(listed=True)
     serializer_class = serializers.CollectionListSerializer
 
 
 @vary_on_auth  # Because of 'liked'.
-class CollectionDetail(RetrieveAPIView):
+class CollectionDetail(CreateOnPutMixin, RetrieveUpdateAPIView):
+    permission_classes = [DjangoModelPermissionsOrAnonReadOnly]
     queryset = Collection.objects.all()
     lookup_field = 'slug'
     serializer_class = serializers.CollectionSerializer
@@ -40,6 +63,16 @@ class BookList(ListAPIView):
     queryset = Book.objects.none()  # Required for DjangoModelPermissions
     serializer_class = serializers.BookListSerializer
 
+    def get(self, request, filename=None, **kwargs):
+        if filename and not kwargs.get('tags') and 'count' not in request.query_params:
+            try:
+                with open(os.path.join(settings.MEDIA_ROOT, 'api', '%s.%s' % (filename, request.accepted_renderer.format)), 'rb') as f:
+                    content = f.read()
+                return HttpResponse(content, content_type=request.accepted_media_type)
+            except:
+                pass
+        return super().get(request, filename=filename, **kwargs)
+
     def get_queryset(self):
         try:
             tags, ancestors = read_tags(
@@ -68,8 +101,12 @@ class BookList(ListAPIView):
                 books = Book.tagged.with_all(tags)
         else:
             books = Book.objects.all()
+        books = books.filter(findable=True)
         books = order_books(books, new_api)
 
+        if not Membership.is_active_for(self.request.user):
+            books = books.exclude(preview=True)
+
         if self.kwargs.get('top_level'):
             books = books.filter(parent=None)
         if self.kwargs.get('audiobooks'):
@@ -117,6 +154,9 @@ class BookList(ListAPIView):
         name = request.POST.get('name', '')
         part_name = request.POST.get('part_name', '')
 
+        project_description = request.POST.get('project_description', '')
+        project_icon = request.POST.get('project_icon', '')
+
         _rest, slug = request.POST['book'].rstrip('/').rsplit('/', 1)
         book = Book.objects.get(slug=slug)
 
@@ -128,6 +168,8 @@ class BookList(ListAPIView):
         bm.name = name
         bm.part_name = part_name
         bm.index = index
+        bm.project_description = project_description
+        bm.project_icon = project_icon
         bm.file.save(None, request.data['file'], save=False)
         bm.save(parts_count=parts_count)
 
@@ -141,15 +183,23 @@ 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'.
+@method_decorator(never_cache, name='dispatch')
 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; see #3954.
+        if 'Darwin' in self.request.META.get('HTTP_USER_AGENT', '') and 'debug' not in self.request.GET:
+            qs = qs.none()
+        return qs
+
 
 @vary_on_auth  # Because of 'liked'.
 class FilterBookList(ListAPIView):
@@ -167,11 +217,14 @@ class FilterBookList(ListAPIView):
         is_lektura = self.parse_bool(self.request.query_params.get('lektura'))
         is_audiobook = self.parse_bool(self.request.query_params.get('audiobook'))
         preview = self.parse_bool(self.request.query_params.get('preview'))
+        if not Membership.is_active_for(self.request.user):
+            preview = False
 
         new_api = self.request.query_params.get('new_api')
         after = self.request.query_params.get('after')
         count = int(self.request.query_params.get('count', 50))
         books = order_books(Book.objects.distinct(), new_api)
+        books = books.filter(findable=True)
         if is_lektura is not None:
             books = books.filter(has_audience=is_lektura)
         if is_audiobook is not None:
@@ -226,8 +279,9 @@ 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'))
 
@@ -254,14 +308,33 @@ class TagCategoryView(ListAPIView):
 
 
 class TagView(RetrieveAPIView):
+    permission_classes = [DjangoModelPermissionsOrAnonReadOnly]
     serializer_class = serializers.TagDetailSerializer
-
+    queryset = Tag.objects.all()
+    
     def get_object(self):
-        return get_object_or_404(
-            Tag,
-            category=self.kwargs['category'],
-            slug=self.kwargs['slug']
-        )
+        try:
+            return get_object_or_404(
+                Tag,
+                category=self.kwargs['category'],
+                slug=self.kwargs['slug']
+            )
+        except Http404:
+            if self.request.method == 'PUT':
+                return Tag(
+                    category=self.kwargs['category'],
+                    slug=self.kwargs['slug']
+                )
+            else:
+                raise
+
+    def post(self, request, **kwargs):
+        data = json.loads(request.POST.get('data'))
+        desc = data['description_pl']
+        obj = self.get_object()
+        obj.description_pl = desc
+        obj.save(update_fields=['description_pl'], quick=True)
+        return Response({})
 
 
 @vary_on_auth  # Because of 'liked'.
@@ -277,7 +350,7 @@ class FragmentList(ListAPIView):
             )
         except ValueError:
             raise Http404
-        return Fragment.tagged.with_all(tags).select_related('book')
+        return Fragment.tagged.with_all(tags).filter(book__findable=True).select_related('book')
 
 
 @vary_on_auth  # Because of 'liked'.