Show mail tracking in message form

mail_tracking/__manifest__.py

@@ -5,7 +5,7 @@
 {
     "name": "Email tracking",
     "summary": "Email tracking system for all mails sent",
-    "version": "11.0.1.2.0",
+    "version": "11.0.1.2.1",
     "category": "Social Network",
     "website": "http://github.com/OCA/social",
     "author": "Tecnativa, "
@@ -25,6 +25,7 @@
         "views/mail_tracking_email_view.xml",
         "views/mail_tracking_event_view.xml",
         "views/res_partner_view.xml",
+        "views/mail_message_views.xml",
     ],
     "qweb": [
         "static/src/xml/mail_tracking.xml",

mail_tracking/models/mail_message.py

@@ -1,12 +1,14 @@
 # Copyright 2016 Antonio Espinosa - <antonio.espinosa@tecnativa.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
 
-from odoo import models, api
+from odoo import models, fields, api
 
 
 class MailMessage(models.Model):
     _inherit = "mail.message"
 
+    mail_tracking_email_ids = fields.One2many('mail.tracking.email', 'mail_message_id')
+
     def _tracking_status_map_get(self):
         return {
             'False': 'waiting',

mail_tracking/views/mail_message_views.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record model="ir.ui.view" id="view_message_form">
+        <field name="name">mail.message.form.pbx</field>
+        <field name="model">mail.message</field>
+        <field name="inherit_id" ref="mail.view_message_form"/>
+        <field name="arch" type="xml">
+          <data>
+            <notebook position="inside">
+                <page string="Mail Tracking">
+                    <group>
+                        <field name="mail_tracking_email_ids" widget="one2many_list"  nolabel="1">
+                        </field>
+                    </group>
+                </page>
+            </notebook>
+          </data>
+        </field>
+    </record>
+
+</odoo>