From 4e7d8a4f986aa7092052979155cb623cbd651036 Mon Sep 17 00:00:00 2001
From: Xinhui
Date: Fri, 26 May 2017 11:19:39 +0200
Subject: Fix update calendar association from state

Refs #2913
---
 app/models/chouette/time_table.rb       | 3 ++-
 spec/models/chouette/time_table_spec.rb | 9 +++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/app/models/chouette/time_table.rb b/app/models/chouette/time_table.rb
index eacc5c827..42879c6d5 100644
--- a/app/models/chouette/time_table.rb
+++ b/app/models/chouette/time_table.rb
@@ -64,7 +64,8 @@ class Chouette::TimeTable < Chouette::TridentActiveRecord
 
   def state_update state
     update_attributes(self.class.state_permited_attributes(state))
-    self.tag_list = state['tags'].collect{|t| t['name']}.join(', ')
+    self.tag_list    = state['tags'].collect{|t| t['name']}.join(', ')
+    self.calendar_id = nil unless state['calendar']
 
     days = state['day_types'].split(',')
     Date::DAYNAMES.map(&:underscore).each do |name|
diff --git a/spec/models/chouette/time_table_spec.rb b/spec/models/chouette/time_table_spec.rb
index 505ca12be..3d45bd346 100644
--- a/spec/models/chouette/time_table_spec.rb
+++ b/spec/models/chouette/time_table_spec.rb
@@ -51,6 +51,15 @@ describe Chouette::TimeTable, :type => :model do
       }.to change {subject.periods.count}.by(-1)
     end
 
+    it 'should update caldendar association' do
+      subject.calendar = create(:calendar)
+      subject.save
+      state['calendar'] = nil
+
+      subject.state_update state
+      expect(subject.reload.calendar).to eq(nil)
+    end
+
     it 'should update color' do
       state['color'] = '#FFA070'
       subject.state_update state
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