# HG changeset patch
# Parent dba00a105dd2a82490394b8dec5fea5f1d8847e1
# Parent  f4374b6e2e661e0782e396b24c57c1eb97d13288

diff --git a/openacademy/models.py b/openacademy/models.py
--- a/openacademy/models.py
+++ b/openacademy/models.py
@@ -61,6 +61,9 @@ class Session(models.Model):
     end_date = fields.Date(string="End Date", store=True,
         compute='_get_end_date', inverse='_set_end_date')
 
+    hours = fields.Float(string="Duration in hours",
+                         compute='_get_hours', inverse='_set_hours')
+
     @api.depends('seats', 'attendee_ids')
     def _taken_seats(self):
         for r in self:
@@ -107,6 +110,15 @@ class Session(models.Model):
             # so add one day to get 5 days instead
             r.duration = (r.end_date - r.start_date).days + 1
 
+    @api.depends('duration')
+    def _get_hours(self):
+        for r in self:
+            r.hours = r.duration * 24
+
+    def _set_hours(self):
+        for r in self:
+            r.duration = r.hours / 24
+
     @api.constrains('instructor_id', 'attendee_ids')
     def _check_instructor_not_in_attendees(self):
         for r in self:
diff --git a/openacademy/views/openacademy.xml b/openacademy/views/openacademy.xml
--- a/openacademy/views/openacademy.xml
+++ b/openacademy/views/openacademy.xml
@@ -143,11 +143,23 @@
             </field>
         </record>
 
+        <record model="ir.ui.view" id="session_gantt_view">
+            <field name="name">session.gantt</field>
+            <field name="model">openacademy.session</field>
+            <field name="arch" type="xml">
+                <gantt string="Session Gantt"
+                       date_start="start_date" date_delay="hours"
+                       default_group_by='instructor_id'>
+                    <!-- <field name="name"/> this is not required after Odoo 10.0 -->
+                </gantt>
+            </field>
+        </record>
+
         <record model="ir.actions.act_window" id="session_list_action">
             <field name="name">Sessions</field>
             <field name="res_model">openacademy.session</field>
             <field name="view_type">form</field>
-            <field name="view_mode">tree,form,calendar</field>
+            <field name="view_mode">tree,form,calendar,gantt</field>
         </record>
 
         <menuitem id="session_menu" name="Sessions"