From 8b452d5eac678b545af0c4bb42c0551402801d7f Mon Sep 17 00:00:00 2001
From: Elouan Le Bars <elouan@coopiteasy.be>
Date: Wed, 6 Nov 2019 18:15:11 +0100
Subject: [PATCH] [ADD] b_shift : constraint on worker, cannot replace himself

---
 beesdoo_shift/models/task.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/beesdoo_shift/models/task.py b/beesdoo_shift/models/task.py
index 903f830..555c2be 100644
--- a/beesdoo_shift/models/task.py
+++ b/beesdoo_shift/models/task.py
@@ -85,6 +85,9 @@ class Task(models.Model):
                     'is_regular': False,
                     'is_compensation': False,
                 })
+            if task.worker_id:
+                if task.worker_id == task.replaced_id:
+                    raise UserError("A worker cannot replace himself.")
 
     def message_auto_subscribe(self, updated_fields, values=None):
         self._add_follower(values)