Drop usage of check_global_permission

aleksis/apps/chronos/util/chronos_helpers.py

@@ -7,7 +7,6 @@ from guardian.shortcuts import get_objects_for_user
 
 from aleksis.core.models import Announcement, Group, Person, Room
 from aleksis.core.util.core_helpers import get_site_preferences
-from aleksis.core.util.predicates import check_global_permission
 
 from .build import build_substitutions_list
 
@@ -22,7 +21,7 @@ def get_teachers(user: "User"):
 
     teachers = Person.objects.all().order_by("short_name", "last_name")
 
-    if not check_global_permission(user, "chronos.view_all_person_timetables"):
+    if not user.has_perm("chronos.view_all_person_timetables"):
         teachers.filter(
             Q(pk=user.person.pk)
             | Q(pk__in=get_objects_for_user(user, "core.view_person_timetable", teachers))
@@ -45,7 +44,7 @@ def get_groups(user: "User"):
 
     groups = groups.order_by("short_name", "name")
 
-    if not check_global_permission(user, "chronos.view_all_group_timetables"):
+    if not user.has_perm("chronos.view_all_group_timetables"):
         wanted_groups = get_objects_for_user(user, "core.view_group_timetable", groups)
 
         groups = groups.filter(
@@ -65,7 +64,7 @@ def get_rooms(user: "User"):
 
     rooms = Room.objects.all().order_by("short_name", "name")
 
-    if not check_global_permission(user, "chronos.view_all_room_timetables"):
+    if not user.has_perm("chronos.view_all_room_timetables"):
         rooms = get_objects_for_user(user, "core.view_room_timetable", rooms)
 
     rooms = rooms.distinct()