🔒️(backend) prevent accessing files if they are not ready

With the addition of the ANALYSING state
files could be accessed in the short time they
were in that state.
We now require files to be in ready.

Also adds missing frontend types (no impact).

src/backend/core/api/serializers.py

@@ -456,7 +456,7 @@ class ListFileSerializer(serializers.ModelSerializer):
 
     def get_url(self, obj):
         """Return the URL of the file."""
-        if obj.is_pending_upload:
+        if not obj.is_ready:
             return None
 
         return f"{settings.MEDIA_BASE_URL}{settings.MEDIA_URL}{quote(obj.file_key)}"

src/backend/core/api/viewsets.py

@@ -1417,7 +1417,7 @@ class FileViewSet(
             request, MEDIA_STORAGE_URL_PATTERN
         )
 
-        if file.is_pending_upload:
+        if not file.is_ready:
             logger.warning("File '%s' is not ready", file.id)
             raise drf_exceptions.PermissionDenied()