centralized student permission in one function

cntmanage/flightslot/admins/hourbuilding_adm.py

@@ -11,6 +11,8 @@ from ..models.hourbuildings import HourBuilding, HourBuildingLegBase, HourBuildi
 from ..models.weekpref import WeekPreference
 from ..models.students import Student
 
+from ..custom.student_permissions import has_edit_permission
+
 from datetime import date
 
 class HourBuildingLegFlightForm(forms.ModelForm):
@@ -75,12 +77,7 @@ class HourBuildingInLine(nested_admin.NestedTabularInline):
 
     # If user is a student deny edit permission for week past the current one
     def has_change_permission(self, request: HttpRequest, obj: WeekPreference | None = None) -> bool:
-        if hasattr(request.user, 'student') and obj:
-            student: Student = request.user.student
-            current_week: int = date.today().isocalendar().week
-            if current_week > obj.week or not student.active:
-                return False
-        return True
+        return has_edit_permission(request=request, obj=obj)
     
     def has_delete_permission(self, request: HttpRequest, obj: WeekPreference | None = None) -> bool:
         return self.has_change_permission(request=request, obj=obj)