Merge branch '24-remove-legacy-timezone-handling' into 'master'

Resolve "Remove legacy timezone handling"

Closes #24

See merge request AlekSIS/onboarding/AlekSIS-App-Kolego!39

aleksis/apps/kolego/schema/absence.py

-from datetime import timezone
 from typing import Iterable, Union
 
-from django.conf import settings
-
 from graphene_django.types import DjangoObjectType
 from guardian.shortcuts import get_objects_for_user
-from zoneinfo import ZoneInfo
 
 from aleksis.core.schema.base import (
     BaseBatchCreateMutation,
@@ -89,22 +85,6 @@ class AbsenceBatchCreateMutation(BaseBatchCreateMutation):
         optional_fields = ("comment", "reason")
         permissions = ("kolego.create_absence_rule",)
 
-    @classmethod
-    def handle_datetime_start(cls, value, name, info) -> int:
-        value = value.replace(tzinfo=timezone.utc)
-        return value
-
-    @classmethod
-    def handle_datetime_end(cls, value, name, info) -> int:
-        value = value.replace(tzinfo=timezone.utc)
-        return value
-
-    @classmethod
-    def before_save(cls, root, info, input, obj):  # noqa: A002
-        for absence in obj:
-            absence.timezone = ZoneInfo(settings.TIME_ZONE)  # FIXME Use TZ provided by client
-        return obj
-
 
 class AbsenceBatchDeleteMutation(BaseBatchDeleteMutation):
     class Meta:
@@ -127,22 +107,6 @@ class AbsenceBatchPatchMutation(BaseBatchPatchMutation):
         )
         permissions = ("kolego.edit_absence_rule",)
 
-    @classmethod
-    def handle_datetime_start(cls, value, name, info) -> int:
-        value = value.replace(tzinfo=timezone.utc)
-        return value
-
-    @classmethod
-    def handle_datetime_end(cls, value, name, info) -> int:
-        value = value.replace(tzinfo=timezone.utc)
-        return value
-
-    @classmethod
-    def before_save(cls, root, info, input, obj):  # noqa: A002
-        for absence in obj:
-            absence.timezone = ZoneInfo(settings.TIME_ZONE)  # FIXME Use TZ provided by client
-        return obj
-
 
 class AbsenceReasonBatchCreateMutation(BaseBatchCreateMutation):
     class Meta: