From d81f8cbb0d583dffbb53db96bdec495abb61aa60 Mon Sep 17 00:00:00 2001
From: "Andreas (@xAndy) Zimmermann" <xandy@hackerspace-bamberg.de>
Date: Tue, 10 May 2022 22:15:02 +0200
Subject: [PATCH] update can_cancel to respect reservation state

---
 shiftregister/app/models.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/shiftregister/app/models.py b/shiftregister/app/models.py
index d6a529c..a1381c5 100644
--- a/shiftregister/app/models.py
+++ b/shiftregister/app/models.py
@@ -120,6 +120,8 @@ class ShiftRegistration(models.Model):
     )
 
     def can_cancel(self):
+        if self.state != self.REGISTERED:
+            return false
         return self.shift.start_at > (
             timezone.now()
             + global_preferences_registry.manager()["helper__min_cancel_time"]