From 765cfa040d2be43d76c9248bc1fa33137252c493 Mon Sep 17 00:00:00 2001
From: Aaron Bohy <aab@odoo.com>
Date: Fri, 16 Oct 2015 12:06:22 +0200
Subject: [PATCH] [IMP] mail: client action: sidebar: hide livechat when empty

Channel types that disable the 'add a channel' feature like the livechat are
now only rendered in the sidebar of the client action if there exists at least
one channel of that type.
---
 addons/mail/static/src/xml/client_action.xml | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/addons/mail/static/src/xml/client_action.xml b/addons/mail/static/src/xml/client_action.xml
index 728e0716960..635fceb36a9 100644
--- a/addons/mail/static/src/xml/client_action.xml
+++ b/addons/mail/static/src/xml/client_action.xml
@@ -50,10 +50,22 @@
         </span>
     </t>
     <t t-name="mail.chat.SidebarTitle">
-        <div class="o_mail_sidebar_title">
-            <h4><t t-esc="channel_title"/></h4>
-            <span t-if="!disable_add_channel" class="fa fa-plus o_add" t-att-title="_t('Add')" t-attf-data-type="#{channel_type}"/>
-        </div>
+        <!-- Don't display the channel type if there is no channel of such type
+             and the 'add a channel' option is disabled for this type -->
+        <t t-if="disable_add_channel">
+            <t t-set="empty" t-value="true"/>
+            <t t-foreach="channels" t-as="channel">
+                <t t-if="channel.type === channel_type">
+                    <t t-set="empty" t-value="false"/>
+                </t>
+            </t>
+        </t>
+        <t t-if="!disable_add_channel || !empty">
+            <div class="o_mail_sidebar_title">
+                <h4><t t-esc="channel_title"/></h4>
+                <span t-if="!disable_add_channel" class="fa fa-plus o_add" t-att-title="_t('Add')" t-attf-data-type="#{channel_type}"/>
+            </div>
+        </t>
     </t>
     <t t-name="mail.chat.SidebarItems">
         <t t-foreach="channels" t-as="channel">