From b4cbf0bb61590680ae0e56a254d72e966977b8d2 Mon Sep 17 00:00:00 2001
From: Nicolas Martinelli <nim@odoo.com>
Date: Fri, 17 Aug 2018 10:26:14 +0200
Subject: [PATCH] [FIX] calendar: date start

When creating and editing a new calendar.event record from the calendar
view, the start_datetime field does not prefill from the day that was
selected on the calendar.

Introduced in e08f999468a933ad73dc140e274107c992b5645c

opw-1875276
---
 addons/calendar/models/calendar.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/addons/calendar/models/calendar.py b/addons/calendar/models/calendar.py
index 279cdb630eb..8929eb30c3a 100644
--- a/addons/calendar/models/calendar.py
+++ b/addons/calendar/models/calendar.py
@@ -861,11 +861,13 @@ class Meeting(models.Model):
 
     @api.onchange('start_date')
     def _onchange_start_date(self):
-        self.start = self.start_date
+        if self.start_date:
+            self.start = self.start_date
 
     @api.onchange('stop_date')
     def _onchange_stop_date(self):
-        self.stop = self.stop_date
+        if self.stop_date:
+            self.stop = self.stop_date
 
     ####################################################
     # Calendar Business, Reccurency, ...