Fundraising in PDF.
[wolnelektury.git] / src / catalogue / api / views.py
index ee345ba..932f9cd 100644 (file)
@@ -1,42 +1,81 @@
-# -*- 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.
+# This file is part of Wolne Lektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
 #
 import json
+import os.path
+from urllib.request import urlopen
+from django.conf import settings
+from django.core.files.base import ContentFile
 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 .helpers import books_after, order_books
-from . import serializers
+from api.utils import vary_on_auth
 from catalogue.forms import BookImportForm
-from catalogue.models import Book, Collection, Tag, Fragment
+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 sortify import sortify
 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
 
 
-class CollectionDetail(RetrieveAPIView):
+@vary_on_auth  # Because of 'liked'.
+class CollectionDetail(CreateOnPutMixin, RetrieveUpdateAPIView):
+    permission_classes = [DjangoModelPermissionsOrAnonReadOnly]
     queryset = Collection.objects.all()
     lookup_field = 'slug'
     serializer_class = serializers.CollectionSerializer
 
 
+@vary_on_auth  # Because of 'liked'.
 class BookList(ListAPIView):
     permission_classes = [DjangoModelPermissionsOrAnonReadOnly]
     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(
@@ -49,6 +88,11 @@ 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'):
@@ -60,8 +104,12 @@ 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'):
@@ -87,7 +135,12 @@ class BookList(ListAPIView):
         return books
 
     def post(self, request, **kwargs):
-        # Permission needed.
+        if kwargs.get('audiobooks'):
+            return self.post_audiobook(request, **kwargs)
+        else:
+            return self.post_book(request, **kwargs)
+
+    def post_book(self, request, **kwargs):
         data = json.loads(request.POST.get('data'))
         form = BookImportForm(data)
         if form.is_valid():
@@ -96,22 +149,62 @@ class BookList(ListAPIView):
         else:
             raise Http404
 
+    def post_audiobook(self, request, **kwargs):
+        index = int(request.POST['part_index'])
+        parts_count = int(request.POST['parts_count'])
+        media_type = request.POST['type'].lower()
+        source_sha1 = request.POST.get('source_sha1')
+        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)
+
+        try:
+            assert source_sha1
+            bm = book.media.get(type=media_type, source_sha1=source_sha1)
+        except (AssertionError, BookMedia.DoesNotExist):
+            bm = BookMedia(book=book, type=media_type)
+        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)
+
+        return Response({}, status=status.HTTP_201_CREATED)
+
+
+@vary_on_auth  # Because of 'liked'.
 class BookDetail(RetrieveAPIView):
     queryset = Book.objects.all()
     lookup_field = 'slug'
     serializer_class = serializers.BookDetailSerializer
 
 
+@vary_on_auth  # Because of embargo links.
 class EbookList(BookList):
     serializer_class = serializers.EbookSerializer
 
 
+@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):
     serializer_class = serializers.FilterBookListSerializer
 
@@ -127,11 +220,14 @@ 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:
@@ -186,8 +282,9 @@ 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'))
 
@@ -214,16 +311,72 @@ 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 == 'POST':
+                return Tag(
+                    category=self.kwargs['category'],
+                    slug=self.kwargs['slug']
+                )
+            else:
+                raise
+
+    def post(self, request, **kwargs):
+        data = json.loads(request.POST.get('data'))
+        fields = {
+            "name_pl": "name_pl",
+            "description_pl": "description_pl",
+            "plural": "plural",
+            "is_epoch_specific": "genre_epoch_specific",
+            "collective_noun": "collective_noun",
+            "adjective_feminine_singular": "adjective_feminine_singular",
+            "adjective_nonmasculine_plural": "adjective_nonmasculine_plural",
+            "genitive": "genitive",
+            "collective_noun": "collective_noun",
+            "gazeta_link": "gazeta_link",
+            "culturepl_link": "culturepl_link",
+            "wiki_link_pl": "wiki_link_pl",
+            "photo_attribution": "photo_attribution",
+        }
+        obj = self.get_object()
+        updated = set()
+        for data_field, model_field in fields.items():
+            value = data.get(data_field)
+            if value:
+                if obj.category == 'author' and model_field == 'name_pl':
+                    obj.sort_key = sortify(value.lower())
+                    updated.add('sort_key')
+                    value = ' '.join(reversed([t.strip() for t in value.split(',', 1)]))
+                setattr(obj, model_field, value)
+                updated.add(model_field)
+        if data.get('photo'):
+            response = urlopen(data['photo'])
+            ext = response.headers.get('Content-Type', '').rsplit('/', 1)[-1]
+            obj.photo.save(
+                "{}.{}".format(self.kwargs['slug'], ext),
+                ContentFile(response.read()),
+                save=False,
+            )
+            updated.add('photo')
+
+        if obj.pk:
+            obj.save(update_fields=updated, quick=True)
+        else:
+            obj.save()
+        return Response({})
 
 
+@vary_on_auth  # Because of 'liked'.
 class FragmentList(ListAPIView):
     serializer_class = serializers.FragmentSerializer
 
@@ -236,9 +389,10 @@ 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'.
 class FragmentView(RetrieveAPIView):
     serializer_class = serializers.FragmentDetailSerializer