Resolve "Allow using time slot numbers in long term absences dialog (instead of datetimes)"

Closes #300 (closed)

aleksis/apps/alsijil/schema/__init__.py

@@ -112,7 +112,7 @@ class Query(graphene.ObjectType):
         group=graphene.ID(required=True),
     )
 
-    periods = graphene.List(WeekdayType)
+    periods_by_day = graphene.List(WeekdayType)
 
     def resolve_documentations_by_course_id(root, info, course_id, **kwargs):
         documentations = Documentation.objects.filter(
@@ -362,7 +362,7 @@ class Query(graphene.ObjectType):
         )
 
     @staticmethod
-    def resolve_periods(root, info):
+    def resolve_periods_by_day(root, info):
         if apps.is_installed("aleksis.apps.lesrooster"):
             Slot = apps.get_model("lesrooster", "Slot")
             ValidityRange = apps.get_model("lesrooster", "ValidityRange")