+
+
+@never_cache
+class SyncView(ListAPIView):
+ permission_classes = [IsAuthenticated]
+ sync_id_field = 'slug'
+ sync_id_serializer_field = 'slug'
+ sync_user_field = 'user'
+
+ def get_queryset(self):
+ try:
+ timestamp = int(self.request.GET.get('ts'))
+ except:
+ timestamp = 0
+
+ timestamp = datetime.fromtimestamp(timestamp, tz=utc)
+
+ data = []
+ return self.get_queryset_for_ts(timestamp)
+
+ def get_queryset_for_ts(self, timestamp):
+ return self.model.objects.filter(
+ updated_at__gt=timestamp,
+ **{
+ self.sync_user_field: self.request.user
+ }
+ ).order_by('updated_at')
+
+ def get_instance(self, user, data):
+ sync_id = data.get(self.sync_id_serializer_field)
+ if not sync_id:
+ return None
+ return self.model.objects.filter(**{
+ self.sync_user_field: user,
+ self.sync_id_field: sync_id
+ }).first()
+
+ def post(self, request):
+ new_ids = []
+ data = request.data
+ for item in data:
+ instance = self.get_instance(request.user, item)
+ ser = self.get_serializer(
+ instance=instance,
+ data=item
+ )
+ ser.is_valid(raise_exception=True)
+ synced_instance = self.model.sync(
+ request.user,
+ instance,
+ ser.validated_data
+ )
+ if instance is None and 'client_id' in ser.validated_data and synced_instance is not None:
+ new_ids.append({
+ 'client_id': ser.validated_data['client_id'],
+ self.sync_id_serializer_field: getattr(synced_instance, self.sync_id_field),
+ })
+ return Response(new_ids)
+
+
+class ProgressSyncView(SyncView):
+ model = models.Progress
+ serializer_class = ProgressSerializer
+
+ sync_id_field = 'book__slug'
+ sync_id_serializer_field = 'book_slug'
+
+
+class UserListSyncView(SyncView):
+ model = models.UserList
+ serializer_class = UserListSerializer
+
+
+class UserListItemSyncView(SyncView):
+ model = models.UserListItem
+ serializer_class = UserListItemSerializer
+
+ sync_id_field = 'uuid'
+ sync_id_serializer_field = 'uuid'
+ sync_user_field = 'list__user'
+
+ def get_queryset_for_ts(self, timestamp):
+ qs = self.model.objects.filter(
+ updated_at__gt=timestamp,
+ **{
+ self.sync_user_field: self.request.user
+ }
+ )
+ if self.request.query_params.get('favorites'):
+ qs = qs.filter(list__favorites=True)
+ return qs.order_by('updated_at')
+
+
+class BookmarkSyncView(SyncView):
+ model = bookmarks.models.Bookmark
+ serializer_class = BookmarkSerializer
+
+ sync_id_field = 'uuid'
+ sync_id_serializer_field = 'uuid'
+
+ def get_queryset_for_ts(self, timestamp):
+ return self.model.objects.filter(
+ user=self.request.user,
+ created_at__gt=timestamp
+ ).order_by('created_at')