[FIX] PROJECT: #810

project/views.py

@@ -1141,11 +1141,14 @@ def task_all_create(request):
 @login_required
 def update_project_task_status(request, task_id):
     status = request.GET.get("status")
-
     task = get_object_or_404(Task, id=task_id)
+
+    if task.end_date and task.end_date < date.today():
+        messages.warning(request, _("Cannot update status. Task has already expired."))
+        return HttpResponse("<script>$('#reloadMessagesButton').click();</script>")
+
     task.status = status
     task.save()
-
     messages.success(request, _("Task status has been updated successfully"))
     return HttpResponse("<script>$('#reloadMessagesButton').click();</script>")