Tag intersections.

[wolnelektury.git] / src / catalogue / api / views.py

diff --git a/src/catalogue/api/views.py b/src/catalogue/api/views.py
index 89fafd0..5512501 100644 (file)
--- a/src/catalogue/api/views.py
+++ b/src/catalogue/api/views.py
@@ -2,10 +2,13 @@
 # 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 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.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
@@ -24,13 +27,31 @@ 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
@@ -42,6 +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(
@@ -123,6 +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)
 
@@ -134,6 +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)
 
@@ -272,14 +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'.