Sort galleries (#947)

* Update in progress

* Update in progress

* Update album filtering

* Updae branch name

---------

Co-authored-by: Josefine Arntsen <[email protected]>
Co-authored-by: Mads Nylund <[email protected]>

Author: 3 people

app/gallery/filters/album.py

@@ -1,9 +1,21 @@
-from django_filters.rest_framework import FilterSet
+from django_filters.rest_framework import FilterSet, OrderingFilter
 
 from app.gallery.models.album import Album
 
 
 class AlbumFilter(FilterSet):
+    """Filter and sort albums by date or event."""
+
+    ordering = OrderingFilter(
+        fields=(
+            "created_at",
+            "updated_at",
+            "event__title",
+        )
+    )
+
     class Meta:
         model = Album
-        fields = ["event"]
+        fields = [
+            "event",
+        ]