diff --git a/golem_resource_pack/__init__.py b/golem_resource_pack/__init__.py
new file mode 100644
index 0000000..f95e908
--- /dev/null
+++ b/golem_resource_pack/__init__.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from . import models, wizard
diff --git a/golem_resource_pack/__manifest__.py b/golem_resource_pack/__manifest__.py
new file mode 100644
index 0000000..7bfea4b
--- /dev/null
+++ b/golem_resource_pack/__manifest__.py
@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+{
+    'name': 'GOLEM resources pack',
+    'summary': 'GOLEM resources pack',
+    'description': ''' GOLEM resources pack ''',
+    'version': '10.0.0.0.4',
+    'category': 'GOLEM',
+    'author': 'Youssef El Ouahby, Fabien Bourgeois',
+    'license': 'AGPL-3',
+    'application': True,
+    'installable': True,
+    'depends': ['golem_resource'],
+    'data': ['views/golem_resource_pack_views.xml',
+             'wizard/golem_pack_rejection_views.xml',
+             'security/ir.model.access.csv']
+}
diff --git a/golem_resource_pack/models/__init__.py b/golem_resource_pack/models/__init__.py
new file mode 100644
index 0000000..ea2f68b
--- /dev/null
+++ b/golem_resource_pack/models/__init__.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from . import golem_resource_pack, \
+    golem_resource_reservation
diff --git a/golem_resource_pack/models/golem_resource_pack.py b/golem_resource_pack/models/golem_resource_pack.py
new file mode 100644
index 0000000..ad51f7e
--- /dev/null
+++ b/golem_resource_pack/models/golem_resource_pack.py
@@ -0,0 +1,138 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" GOLEM Resource Packs """
+
+from odoo import models, fields, api, _
+from odoo.exceptions import ValidationError
+
+
+class GolemResourcePack(models.Model):
+    """ GOLEM Resource Pack Model """
+    _name = 'golem.resource.pack'
+    _description = 'GOLEM Resource Pack Model'
+    _inherit = 'mail.thread'
+
+    name = fields.Char(compute='_compute_name', store=True)
+    reservation_ids = fields.One2many('golem.resource.reservation', 'pack_id',
+                                      readonly=True, track_visibility='onchange',
+                                      states={'draft': [('readonly', False)],
+                                              False : [('readonly', False)]})
+
+    note = fields.Text(help='Notes, optional subject for the reservation, reason',
+                       track_visibility='onchange', readonly=True,
+                       states={'draft': [('readonly', False)],
+                               False : [('readonly', False)]})
+
+    user_id = fields.Many2one('res.users', required=True, index=True, readonly=True,
+                              string='User', default=lambda self: self.env.user)
+    partner_id = fields.Many2one('res.partner', string='On behalf of', required=True,
+                                 index=True, track_visibility='onchange', readonly=True,
+                                 states={'draft': [('readonly', False)],
+                                         False : [('readonly', False)]})
+    state = fields.Selection([('canceled', 'Canceled'),
+                              ('draft', 'Draft'),
+                              ('confirmed', 'Confirmed'),
+                              ('validated', 'Validated'),
+                              ('rejected', 'Rejected')],
+                             default='draft', compute="_compute_pack_state",
+                             track_visibility='onchange')
+    reservation_count = fields.Integer(compute="_compute_reservation_count",
+                                       string="Reservation count")
+    rejection_reason = fields.Text(readonly=True, track_visibility='onchange')
+
+    @api.multi
+    @api.constrains('partner_id')
+    def set_reservation_partner(self):
+        """ Set reservation partner """
+        for pack in self:
+            pack.reservation_ids.write({'partner_id': pack.partner_id.id})
+
+    @api.multi
+    @api.depends('reservation_ids')
+    def _compute_reservation_count(self):
+        for pack in self:
+            pack.reservation_count = len(pack.reservation_ids)
+
+    @api.multi
+    def state_confirm(self):
+        """ pack confirm """
+        for pack in self:
+            pack.reservation_ids.state_confirm()
+
+    @api.multi
+    def state_draft(self):
+        """ pack canceled """
+        for pack in self:
+            pack.reservation_ids.state_draft()
+
+    @api.multi
+    def state_canceled(self):
+        """ pack canceled """
+        for pack in self:
+            pack.reservation_ids.state_canceled()
+
+    @api.multi
+    def state_validated(self):
+        """ pack validated """
+        for pack in self:
+            pack.reservation_ids.state_validated()
+
+    @api.multi
+    def state_rejected(self):
+        """ Wizard call for pack reject """
+        self.ensure_one()
+        pack_id = self[0]
+        return {'name' : _('Please enter the rejection reason'),
+                'type' : 'ir.actions.act_window',
+                'res_model' : 'golem.pack.rejection.wizard',
+                'context': {'default_pack_id': pack_id.id},
+                'view_mode': 'form',
+                'target': 'new'}
+
+
+    @api.depends('partner_id')
+    def _compute_name(self):
+        """ Compute pack name """
+        for pack in self:
+            pack.name = u'{}/{}'.format(pack.partner_id.name,
+                                        pack.create_date)
+    @api.multi
+    @api.constrains('reservation_ids')
+    def check_reservation_partner(self):
+        """ Check reservation partner """
+        for pack in self:
+            if len(filter(lambda x: x.partner_id == pack.partner_id, pack.reservation_ids)) < len(pack.reservation_ids):
+                raise ValidationError(_('Pack client should be the same for all reservations'))
+
+    @api.multi
+    @api.depends('reservation_ids')
+    def _compute_pack_state(self):
+        """ get pack state """
+        for pack in self:
+            reservation_states = list(map(lambda x: x.state, pack.reservation_ids))
+            if "rejected" in reservation_states:
+                pack.state = 'rejected'
+            elif "canceled" in reservation_states:
+                pack.state = 'canceled'
+            elif "draft" in reservation_states:
+                pack.state = 'draft'
+            elif "confirmed" in reservation_states:
+                pack.state = 'confirmed'
+            elif "validated" in reservation_states:
+                pack.state = 'validated'
diff --git a/golem_resource_pack/models/golem_resource_reservation.py b/golem_resource_pack/models/golem_resource_reservation.py
new file mode 100644
index 0000000..2644175
--- /dev/null
+++ b/golem_resource_pack/models/golem_resource_reservation.py
@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" GOLEM Resource Reservation """
+
+from odoo import models, fields
+
+
+class GolemResourceReservation(models.Model):
+    """ GOLEM Resource Reservation Model """
+    _inherit = 'golem.resource.reservation'
+
+    pack_id = fields.Many2one('golem_resource_reservation', 'Reservation Pack')
diff --git a/golem_resource_pack/security/ir.model.access.csv b/golem_resource_pack/security/ir.model.access.csv
new file mode 100644
index 0000000..796d31b
--- /dev/null
+++ b/golem_resource_pack/security/ir.model.access.csv
@@ -0,0 +1,3 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_golem_resource_pack_user,Access GOLEM Resource Pack User,model_golem_resource_pack,golem_base.group_golem_user,1,0,0,0
+access_golem_resource_pack_manager,Access GOLEM Resource Pack Manager,model_golem_resource_pack,golem_base.group_golem_manager,1,1,1,1
diff --git a/golem_resource_pack/tests/__init__.py b/golem_resource_pack/tests/__init__.py
new file mode 100644
index 0000000..cbb2d37
--- /dev/null
+++ b/golem_resource_pack/tests/__init__.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from . import test_golem_resource_pack
diff --git a/golem_resource_pack/tests/test_golem_resource_pack.py b/golem_resource_pack/tests/test_golem_resource_pack.py
new file mode 100644
index 0000000..1cc5274
--- /dev/null
+++ b/golem_resource_pack/tests/test_golem_resource_pack.py
@@ -0,0 +1,144 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" GOLEM Resource Pack testing """
+
+import logging
+from odoo.tests.common import TransactionCase
+_LOGGER = logging.getLogger(__name__)
+
+
+class TestGolemResourcePack(TransactionCase):
+    """ GOLEM Resource Reservation testing """
+
+    def setUp(self, *args, **kwargs):
+        """ Bootstrap Resource Reservation """
+        super(TestGolemResourcePack, self).setUp(*args, **kwargs)
+
+        self.resource = self.env['golem.resource'].create({
+            'name': 'Resource',
+            'avaibility_start': '2018-01-01',
+            'avaibility_stop': '2020-01-01',
+            'availibility_24_7': True
+        })
+        self.resource_val = self.env['golem.resource'].create({
+            'name': 'Resource to validate',
+            'avaibility_start': '2018-01-01',
+            'avaibility_stop': '2020-01-01',
+            'validation_required': True,
+            'availibility_24_7': True
+        })
+
+        self.partner = self.env['res.partner'].create({'firstname': 'John',
+                                                       'lastname': 'DOE',
+                                                       'is_company': False})
+
+        reservation_obj = self.env['golem.resource.reservation']
+        self.reservation_1 = reservation_obj.create({
+            'resource_id': self.resource.id,
+            'date_start': '2018-02-05 11:00:00',
+            'date_stop': '2018-02-05 12:00:00',
+            'partner_id': self.partner.id
+        })
+        self.reservation_2 = reservation_obj.create({
+            'resource_id': self.resource.id,
+            'date_start': '2018-02-06 11:00:00',
+            'date_stop': '2018-02-06 12:00:00',
+            'partner_id': self.partner.id
+        })
+        self.reservation_3 = reservation_obj.create({
+            'resource_id': self.resource_val.id,
+            'date_start': '2018-02-05 11:00:00', # is monday
+            'date_stop': '2018-02-05 12:00:00',
+            'partner_id': self.partner.id
+        })
+        self.pack_obj = self.env['golem.resource.pack']
+        self.pack_data = {
+            'partner_id': self.partner.id
+        }
+
+
+    def test_pack_basic(self):
+        """ Test pack bases """
+        pack = self.pack_obj.create(self.pack_data)
+        self.assertFalse(pack.reservation_ids)
+        self.assertFalse(self.reservation_1.pack_id)
+        pack.reservation_ids = [(4, self.reservation_1.id, 0),
+                                (4, self.reservation_2.id, 0)]
+        self.assertEqual(pack.reservation_ids[0].state, "draft")
+        self.assertEqual(self.reservation_1.pack_id.id, pack.id)
+        self.assertEqual(pack.state, "draft")
+        self.assertEqual(pack.reservation_count, 2)
+        #confirm pack ==> all validated
+        pack.state_confirm()#no validation required
+        self.assertEqual(pack.reservation_ids[0].state, "validated")
+        self.assertEqual(pack.state, "validated")
+        #pack draft ==> all draft
+        pack.state_draft()
+        self.assertEqual(pack.reservation_ids[0].state, "draft")
+        self.assertEqual(pack.state, "draft")
+        # confirm pack and draft reservation ==> pack draft
+        pack.state_confirm()
+        pack.reservation_ids[0].state_draft()
+        self.assertEqual(pack.reservation_ids[0].state, "draft")
+        self.assertEqual(pack.state, "draft")
+        #confirm reservation ==> pack validated
+        pack.reservation_ids[0].state_confirm()
+        self.assertEqual(pack.reservation_ids[0].state, "validated")
+        self.assertEqual(pack.state, "validated")
+        pack.reservation_ids = [(5, 0, 0)]
+        self.assertFalse(pack.reservation_ids)
+        self.assertEqual(pack.reservation_count, 0)
+
+
+    def test_pack_validation(self):
+        """ Test pack validation """
+        pack = self.pack_obj.create(self.pack_data)
+        self.assertFalse(pack.reservation_ids)
+        self.assertFalse(self.reservation_1.pack_id)
+        pack.reservation_ids = [(4, self.reservation_1.id, 0),
+                                (4, self.reservation_3.id, 0)]
+        self.assertEqual(pack.reservation_ids[0].state, "draft")
+        self.assertEqual(self.reservation_1.pack_id.id, pack.id)
+        self.assertEqual(pack.state, "draft")
+        pack.state_confirm()#validation required
+        self.assertEqual(pack.state, "confirmed")
+        pack.state_validated()
+        self.assertEqual(pack.state, "validated")
+        self.assertEqual(pack.reservation_ids[0].state, "validated")
+        self.assertEqual(pack.reservation_ids[1].state, "validated")
+
+    def test_pack_rejection(self):
+        """ test pack rejection """
+        pack = self.pack_obj.create(self.pack_data)
+        self.assertFalse(pack.reservation_ids)
+        self.assertFalse(self.reservation_1.pack_id)
+        pack.reservation_ids = [(4, self.reservation_1.id, 0),
+                                (4, self.reservation_3.id, 0)]
+        self.assertEqual(pack.reservation_ids[0].state, "draft")
+        self.assertEqual(self.reservation_1.pack_id.id, pack.id)
+        self.assertEqual(pack.state, "draft")
+        pack.state_confirm()#validation required
+        rej_wizard = self.env['golem.pack.rejection.wizard'].create({
+            'pack_id': pack.id,
+            'reason' : 'reason1'
+        })
+        rej_wizard.reject()
+        self.assertEqual(pack.state, "rejected")
+        self.assertEqual(self.reservation_3.state, "rejected")
+        self.assertEqual(pack.rejection_reason, 'reason1')
diff --git a/golem_resource_pack/views/golem_resource_pack_views.xml b/golem_resource_pack/views/golem_resource_pack_views.xml
new file mode 100644
index 0000000..37d929d
--- /dev/null
+++ b/golem_resource_pack/views/golem_resource_pack_views.xml
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
+<odoo>
+  <data>
+    <!-- Trees -->
+    <record model="ir.ui.view" id="golem_resource_pack_view_tree">
+      <field name="name">GOLEM Resource Pack Tree</field>
+      <field name="model">golem.resource.pack</field>
+      <field name="arch" type="xml">
+        <tree colors="black: state=='draft'; blue: state=='validated'; gree : state=='validated'; grey: state=='canceled'; orange: state=='rejected'">
+          <field name="name" />
+          <field name="partner_id" />
+          <field name="state" />
+          <field name="reservation_count" />
+        </tree>
+      </field>
+    </record>
+
+    <!-- Forms -->
+    <record model="ir.ui.view" id="golem_resource_pack_view_form">
+      <field name="name">GOLEM Resource Pack Form</field>
+      <field name="model">golem.resource.pack</field>
+      <field name="arch" type="xml">
+        <form>
+          <header>
+            <button name="state_confirm" type="object" string="Confirm" class="oe_highlight"
+              attrs="{'invisible': ['|', ('state', 'not in', 'draft'), ('id', '=', False)]}" />
+            <button name="state_canceled" type="object"
+              string="Cancel" states="confirmed,validated" />
+            <button name="state_draft" type="object" string="Set to draft"
+              states="canceled,confirmed,validated,rejected" />
+            <button name="state_validated" type="object" string="Validate"
+              states="confirmed" class="oe_highlight"
+              groups="golem_base.group_golem_manager" />
+            <button name="state_rejected" type="object" string="Reject"
+              states="confirmed" class="oe_highlight"
+              groups="golem_base.group_golem_manager" />
+            <field name="state" widget="statusbar" />
+          </header>
+          <sheet>
+            <group>
+              <group name="general" string="Genaral">
+                <field name="id" invisible="1"/>
+                <field name="user_id" />
+                <field name="partner_id" />
+                <field name="note" />
+                <field name="rejection_reason"
+                  attrs="{'invisible': [('state', '!=', 'rejected')]}"/>
+              </group>
+            </group>
+            <field name="reservation_ids" context="{'default_partner_id' : partner_id}" />
+          </sheet>
+          <div class="oe_chatter">
+              <field name="message_follower_ids" widget="mail_followers" />
+              <field name="message_ids" widget="mail_thread" />
+          </div>
+        </form>
+      </field>
+    </record>
+
+    <!-- Actions -->
+    <act_window id="golem_resource_pack_action" name="Reservation Pack"
+      res_model="golem.resource.pack" view_mode="tree,form" />
+
+    <!-- Menus -->
+    <menuitem id="golem_resource_packs_menu" name="Reservation Packs"
+      parent="golem_resource.golem_resource_menu" action="golem_resource_pack_action"
+      sequence="20" />
+
+  </data>
+</odoo>
diff --git a/golem_resource_pack/wizard/__init__.py b/golem_resource_pack/wizard/__init__.py
new file mode 100644
index 0000000..6fa8cf7
--- /dev/null
+++ b/golem_resource_pack/wizard/__init__.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from . import golem_pack_rejection
diff --git a/golem_resource_pack/wizard/golem_pack_rejection.py b/golem_resource_pack/wizard/golem_pack_rejection.py
new file mode 100644
index 0000000..2dcb6d8
--- /dev/null
+++ b/golem_resource_pack/wizard/golem_pack_rejection.py
@@ -0,0 +1,38 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" GOLEM Resources Pack management """
+
+from odoo import models, fields, api
+
+class GolemReservationRejectionWizard(models.TransientModel):
+    """GOLEM Resource wizard : refusal reason for a pack """
+    _name = "golem.pack.rejection.wizard"
+
+    pack_id = fields.Many2one('golem.resource.pack', required=True)
+    reason = fields.Text(required=True)
+
+    @api.multi
+    def reject(self):
+        """ Sets pack status to rejected and add reason """
+        self.ensure_one()
+        rejection = self[0]
+        for reservation in rejection.pack_id.reservation_ids:
+            if reservation.state == "confirmed":
+                reservation.write({'state' :'rejected'})
+        rejection.pack_id.write({'rejection_reason': rejection.reason})
diff --git a/golem_resource_pack/wizard/golem_pack_rejection_views.xml b/golem_resource_pack/wizard/golem_pack_rejection_views.xml
new file mode 100644
index 0000000..b0b01ec
--- /dev/null
+++ b/golem_resource_pack/wizard/golem_pack_rejection_views.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
+<odoo>
+  <data>
+
+    <!-- Forms -->
+    <record model="ir.ui.view" id="golem_pack_rejection_wizard_view_form">
+      <field name="name">GOLEM Pack Rejection Wizard Form</field>
+      <field name="model">golem.pack.rejection.wizard</field>
+      <field name="arch" type="xml">
+        <form string="Rejection reason">
+          <group>
+            <field name="pack_id" readonly="1" />
+            <field name="reason" />
+          </group>
+          <footer>
+            <button name="reject" string="Reject" type="object"
+              class="oe_highlight" />
+            <button string="Cancel" class="oe_link" special="cancel" />
+          </footer>
+        </form>
+      </field>
+  </record>
+  </data>
+</odoo>
diff --git a/golem_resource_pack_account/__init__.py b/golem_resource_pack_account/__init__.py
new file mode 100644
index 0000000..1fced20
--- /dev/null
+++ b/golem_resource_pack_account/__init__.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from . import models
diff --git a/golem_resource_pack_account/__manifest__.py b/golem_resource_pack_account/__manifest__.py
new file mode 100644
index 0000000..05c4042
--- /dev/null
+++ b/golem_resource_pack_account/__manifest__.py
@@ -0,0 +1,32 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+{
+    'name': 'GOLEM resources pack invoicing',
+    'summary': 'GOLEM resources pack invoicing',
+    'description': ''' GOLEM resources pack invoicing ''',
+    'version': '10.0.0.0.1',
+    'category': 'GOLEM',
+    'author': 'Youssef El Ouahby, Fabien Bourgeois',
+    'license': 'AGPL-3',
+    'application': True,
+    'installable': True,
+    'depends': ['golem_resource_pack', 'golem_resource_account'],
+    'data': ['views/golem_resource_pack_views.xml']
+             #'security/ir.model.access.csv']
+}
diff --git a/golem_resource_pack_account/models/__init__.py b/golem_resource_pack_account/models/__init__.py
new file mode 100644
index 0000000..35a9273
--- /dev/null
+++ b/golem_resource_pack_account/models/__init__.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from . import golem_resource_pack
diff --git a/golem_resource_pack_account/models/golem_resource_pack.py b/golem_resource_pack_account/models/golem_resource_pack.py
new file mode 100644
index 0000000..c541dad
--- /dev/null
+++ b/golem_resource_pack_account/models/golem_resource_pack.py
@@ -0,0 +1,90 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" GOLEM Resource Pack Invoicing """
+
+from odoo import models, fields, api, _
+from odoo.exceptions import ValidationError
+
+
+class GolemResourcePack(models.Model):
+    """ GOLEM Resource Pack invoice extention """
+    _inherit = 'golem.resource.pack'
+
+    invoice_id = fields.Many2one('account.invoice', string="Invoice")
+
+    invoice_state = fields.Selection(related='invoice_id.state', store=True,
+                                     copy=False)
+    invoice_amount_total = fields.Monetary(related='invoice_id.amount_total')
+    currency_id = fields.Many2one(related='invoice_id.currency_id')
+    is_products_set = fields.Boolean(compute="_compute_is_products_set")
+
+    @api.multi
+    def _compute_is_products_set(self):
+        """ compute is_products_set """
+        for pack in self:
+            if len(filter(lambda x: x.resource_product_id.id is False, pack.reservation_ids)) \
+                > 0:
+                pack.is_products_set = False
+            else:
+                pack.is_products_set = True
+
+    @api.multi
+    def chek_pack_to_invoice(self):
+        """ chek pack before invoicing """
+        for pack in self:
+            if pack.state != 'validated':
+                raise ValidationError(_('The current pack is not validated, please validate '
+                                        'it before creating invoice'))
+            elif not pack.is_products_set:
+                raise ValidationError(_('You can not create an invoice for a pack without '
+                                        'linked product on every resource reserved.'))
+            elif pack.invoice_id.id:
+                raise ValidationError(_('You can not create an invoice as there '
+                                        'is already one.'))
+
+
+    @api.multi
+    def create_invoice(self):
+        """ Invoice creation """
+        for pack in self:
+            pack.chek_pack_to_invoice()
+            pack.reservation_ids.check_before_invoicing()
+            inv_obj = self.env['account.invoice']
+            partner_id = pack.partner_id
+            invoice_id = inv_obj.create({
+                'origin': pack.name,
+                'type': 'out_invoice',
+                'reference': False,
+                'account_id': partner_id.property_account_receivable_id.id,
+                'partner_id': partner_id.id
+                })
+            pack.invoice_id = invoice_id.id
+            pack.reservation_ids.create_invoice_line(invoice_id)
+
+    @api.multi
+    def show_invoice(self):
+        """ Redirects to linked invoice """
+        self.ensure_one()
+        pack = self[0]
+        if pack.invoice_id:
+            return {'type': 'ir.actions.act_window',
+                    'res_model': 'account.invoice',
+                    'res_id': pack.invoice_id.id,
+                    'view_mode': 'form',
+                    'view_id': self.env.ref('account.invoice_form').id}
diff --git a/golem_resource_pack_account/tests/__init__.py b/golem_resource_pack_account/tests/__init__.py
new file mode 100644
index 0000000..69aaa1d
--- /dev/null
+++ b/golem_resource_pack_account/tests/__init__.py
@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+from . import test_golem_pack_invoice
diff --git a/golem_resource_pack_account/tests/test_golem_pack_invoice.py b/golem_resource_pack_account/tests/test_golem_pack_invoice.py
new file mode 100644
index 0000000..29961a5
--- /dev/null
+++ b/golem_resource_pack_account/tests/test_golem_pack_invoice.py
@@ -0,0 +1,114 @@
+# -*- coding: utf-8 -*-
+
+#    Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+#    Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+""" GOLEM Resource Reservation testing """
+
+import logging
+from odoo.tests.common import TransactionCase
+from odoo.exceptions import ValidationError
+_LOGGER = logging.getLogger(__name__)
+
+
+class TestGolemResourcePack(TransactionCase):
+    """ GOLEM Resource Pack testing """
+
+    def setUp(self, *args, **kwargs):
+        """ Bootstrap Resource Reservation """
+        super(TestGolemResourcePack, self).setUp(*args, **kwargs)
+        # set product
+        self.product = self.env['product.template'].create({
+            'name': 'Product',
+            'categ_id': self.env.ref('product.product_category_all').id,
+            'list_price': 7.0,
+            'type': 'service',
+            'uom_id': self.env.ref('product.product_uom_hour').id,
+            'uom_po_id': self.env.ref('product.product_uom_hour').id,
+            'property_account_income_id': self.env.ref('l10n_fr.pcg_706').id
+        })
+        #set resources
+        self.resource_1 = self.env['golem.resource'].create({
+            'name': 'Resource1',
+            'product_tmpl_id': self.product.id,
+            'avaibility_start': '2018-01-01',
+            'avaibility_stop': '2020-01-01',
+            'availibility_24_7': True
+        })
+        self.resource_2 = self.env['golem.resource'].create({
+            'name': 'Resource2',
+            'avaibility_start': '2018-01-01',
+            'avaibility_stop': '2020-01-01',
+            'availibility_24_7': True
+        })
+
+        #set partners
+        self.partner_1 = self.env['res.partner'].create({'firstname': 'John',
+                                                         'lastname': 'DOE',
+                                                         'is_company': False})
+        self.partner_2 = self.env['res.partner'].create({'firstname': 'John2',
+                                                         'lastname': 'DOE2',
+                                                         'is_company': False})
+
+        # set reservations
+        self.reservation_1 = self.env['golem.resource.reservation'].create({
+            'resource_id': self.resource_1.id,
+            'date_start': '2018-02-05 11:00:00',
+            'date_stop': '2018-02-05 12:00:00',
+            'partner_id': self.partner_1.id
+        })
+        self.reservation_2 = self.env['golem.resource.reservation'].create({
+            'resource_id': self.resource_1.id,
+            'date_start': '2018-02-06 11:00:00',
+            'date_stop': '2018-02-06 12:00:00',
+            'partner_id': self.partner_1.id
+        })
+
+        #set pack env
+        self.pack_obj = self.env['golem.resource.pack']
+        self.pack_data = {
+            'partner_id': self.partner_1.id,
+            'reservation_ids': [(4, self.reservation_1.id, 0),
+                                (4, self.reservation_2.id, 0)]}
+
+
+    def test_pack_invoice_basic(self):
+        """ Test pack invoice basic """
+        pack = self.pack_obj.create(self.pack_data)
+        pack.state_confirm()
+        pack.create_invoice()
+        self.assertTrue(pack.invoice_id.id)
+        self.assertEqual(pack.invoice_state, 'draft')
+
+    def test_unallowed_pack_invoice(self):
+        """ Test unallowed pack invoice cases """
+        pack = self.pack_obj.create(self.pack_data)
+        with self.assertRaises(ValidationError) as err:
+            pack.create_invoice()
+        self.assertIn(u'current pack is not validated', err.exception.args[0])
+        self.reservation_2.write({'resource_id': self.resource_2.id})#no product linked
+        pack.state_confirm()
+        with self.assertRaises(ValidationError) as err:
+            pack.create_invoice()
+        self.assertIn(u'linked product on every resource', err.exception.args[0])
+        pack.state_draft()
+        self.reservation_2.write({'resource_id': self.resource_1.id})# with product linked
+        pack.state_confirm()
+        pack.create_invoice()
+        self.assertTrue(pack.invoice_id.id)
+        with self.assertRaises(ValidationError) as err:
+            pack.create_invoice()
+        self.assertIn(u'can not create an invoice as there', err.exception.args[0])
diff --git a/golem_resource_pack_account/views/golem_resource_pack_views.xml b/golem_resource_pack_account/views/golem_resource_pack_views.xml
new file mode 100644
index 0000000..6d37fcd
--- /dev/null
+++ b/golem_resource_pack_account/views/golem_resource_pack_views.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
+Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
+<odoo>
+  <data>
+    <!-- Tree -->
+    <record model="ir.ui.view" id="golem_resource_pack_inherit_account_tree">
+      <field name="name">GOLEM Resource Pack Account extention Tree</field>
+      <field name="model">golem.resource.pack</field>
+      <field name="inherit_id" ref="golem_resource_pack.golem_resource_pack_view_tree"/>
+      <field name="arch" type="xml">
+        <field name="reservation_count" position="after">
+          <field name="invoice_state" />
+        </field>
+      </field>
+    </record>
+    <!-- Forms -->
+    <record model="ir.ui.view" id="golem_resource_pack_inherit_account_form">
+      <field name="name">GOLEM Resource Pack Account extention Form</field>
+      <field name="model">golem.resource.pack</field>
+      <field name="inherit_id" ref="golem_resource_pack.golem_resource_pack_view_form"/>
+      <field name="arch" type="xml">
+        <button name="state_rejected"  position="after">
+          <button name="create_invoice" type="object" string="Create Invoice" class="oe_highlight"
+            attrs="{'invisible': ['|', ('state', '!=', 'validated'), '|', ('invoice_id', '!=', False), ('is_products_set', '=', False)]}" />
+          <button name="show_invoice" type="object" string="Show invoice" class="oe_highlight"
+            attrs="{'invisible': [('invoice_id', '=', False)]}" />
+        </button>
+        <group name="general" position="after">
+          <group name="invoicing" string="Invoicing"
+            attrs="{'invisible': [('invoice_id', '=', False)]}">
+            <field name="is_products_set"  invisible="1"/>
+            <field name="invoice_id" />
+            <field name="invoice_state" />
+            <field name="invoice_amount_total" />
+          </group>
+        </group>
+      </field>
+    </record>
+  </data>
+</odoo>