From c8581af5921c0b5deb780658926d0953023b2a0d Mon Sep 17 00:00:00 2001
From: aja-odoo <aja@openerp.com>
Date: Thu, 8 Jan 2015 11:33:35 +0100
Subject: [PATCH] [ADD] rating_project, rating_project_issue : using the rating
 mixin, tasks and issues are rated when their stage changed. A email template
 is sent to the customer of the object.

---
 addons/project/res_config.py                  |  2 +
 addons/project/res_config_view.xml            |  4 +
 addons/rating_project/__init__.py             | 21 ++++
 addons/rating_project/__openerp__.py          | 21 ++++
 addons/rating_project/data/project_data.xml   | 56 +++++++++++
 addons/rating_project/data/project_demo.xml   | 31 ++++++
 addons/rating_project/models/__init__.py      |  2 +
 addons/rating_project/models/project.py       | 70 ++++++++++++++
 addons/rating_project/views/project_view.xml  | 62 ++++++++++++
 addons/rating_project_issue/__init__.py       | 21 ++++
 addons/rating_project_issue/__openerp__.py    | 23 +++++
 .../data/project_issue_demo.xml               | 24 +++++
 .../rating_project_issue/models/__init__.py   |  2 +
 .../models/project_issue.py                   | 96 +++++++++++++++++++
 .../views/project_issue_view.xml              | 24 +++++
 15 files changed, 459 insertions(+)
 create mode 100644 addons/rating_project/__init__.py
 create mode 100644 addons/rating_project/__openerp__.py
 create mode 100644 addons/rating_project/data/project_data.xml
 create mode 100644 addons/rating_project/data/project_demo.xml
 create mode 100644 addons/rating_project/models/__init__.py
 create mode 100644 addons/rating_project/models/project.py
 create mode 100644 addons/rating_project/views/project_view.xml
 create mode 100644 addons/rating_project_issue/__init__.py
 create mode 100644 addons/rating_project_issue/__openerp__.py
 create mode 100644 addons/rating_project_issue/data/project_issue_demo.xml
 create mode 100644 addons/rating_project_issue/models/__init__.py
 create mode 100644 addons/rating_project_issue/models/project_issue.py
 create mode 100644 addons/rating_project_issue/views/project_issue_view.xml

diff --git a/addons/project/res_config.py b/addons/project/res_config.py
index bcdf84d340a..efacff1c8ba 100644
--- a/addons/project/res_config.py
+++ b/addons/project/res_config.py
@@ -44,6 +44,8 @@ class project_configuration(osv.osv_memory):
         'module_project_issue': fields.boolean("Track issues and bugs",
             help='Provides management of issues/bugs in projects.\n'
                  '-This installs the module project_issue.'),
+        'module_rating_project': fields.boolean('Allow customers to rate provided services',
+            help="This allows customers to give rating on provided services"),
         'time_unit': fields.many2one('product.uom', 'Working time unit', required=True,
             help="""This will set the unit of measure used in projects and tasks."""),
         'module_project_issue_sheet': fields.boolean("Invoice working time on issues",
diff --git a/addons/project/res_config_view.xml b/addons/project/res_config_view.xml
index 11882a03a79..35ed72f9536 100644
--- a/addons/project/res_config_view.xml
+++ b/addons/project/res_config_view.xml
@@ -80,6 +80,10 @@
                                 <field name="module_project_issue" class="oe_inline"/>
                                 <label for="module_project_issue"/>
                             </div>
+                            <div>
+                                <field name="module_rating_project" class="oe_inline"/>
+                                <label for="module_rating_project"/>
+                            </div>
                             <div name="module_project_issue_sheet">
                                 <field name="module_project_issue_sheet" class="oe_inline"/>
                                 <label for="module_project_issue_sheet"/>
diff --git a/addons/rating_project/__init__.py b/addons/rating_project/__init__.py
new file mode 100644
index 00000000000..63c7796ae0c
--- /dev/null
+++ b/addons/rating_project/__init__.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Odoo, Open Source Management Solution
+#    Copyright (C) 2014-Today Odoo SA (<http://www.odoo.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/>.
+#
+##############################################################################
+import models
diff --git a/addons/rating_project/__openerp__.py b/addons/rating_project/__openerp__.py
new file mode 100644
index 00000000000..6052c6493e8
--- /dev/null
+++ b/addons/rating_project/__openerp__.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+{
+    'name': 'Project Rating',
+    'version': '1.0',
+    'category': 'Hidden',
+    'description': """
+This module Allows a customer to give rating on Project.
+""",
+    'author': 'Odoo SA',
+    'website': 'http://odoo.com',
+    'depends': [
+        'rating',
+        'project'
+    ],
+    'data': [
+        'data/project_data.xml',
+        'views/project_view.xml',
+    ],
+    'demo': ['data/project_demo.xml'],
+    'installable': True,
+}
diff --git a/addons/rating_project/data/project_data.xml b/addons/rating_project/data/project_data.xml
new file mode 100644
index 00000000000..4052b732451
--- /dev/null
+++ b/addons/rating_project/data/project_data.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+
+
+        <record id="rating_project_request_email_template" model="mail.template">
+            <field name="name">Rating Project Request</field>
+            <field name="email_from">${object.rated_partner_id.email or ''}</field>
+            <field name="subject">${object.res_name}</field>
+            <field name="model_id" ref="rating.model_rating_rating"/>
+            <field name="email_to" >${object.partner_id.email}</field>
+            <field name="auto_delete" eval="True"/>
+            <field name="body_html"><![CDATA[
+<body>
+    <div style="max-width:600px; height:auto; margin-left:30px;">
+        <div style="margin-left:30px;align=center;">
+            Dear ${object.partner_id.name},
+        </div><br>
+        <div style="margin-left:30px;align=center;" width="60%">
+            We hope the services provided have met your expectations.
+            <br>If you have any more questions or comments, do not hesitate to reply to this e-mail.
+            <br><br>Please, help us to improve ourself by rating the service we provide.
+        </div><br>
+        <table style="margin-left:50px;" width="70%">
+            <tr>
+                <td>
+                    <a href="/rating/${object.access_token}/10">
+                        <img alt="Great" src="rating/static/src/img/rating_10.png" title="It was great"/>
+                    </a>
+                </td>
+                <td>
+                    <a href="/rating/${object.access_token}/5">
+                        <img alt="Okay" src="rating/static/src/img/rating_5.png" title="It was okay"/>
+                    </a>
+                </td>
+                <td>
+                    <a href="/rating/${object.access_token}/0">
+                        <img alt="Bad" src="rating/static/src/img/rating_0.png" title="It wasn't good"/>
+                    </a>
+                </td>
+            </tr>
+        </table><br>
+        <h4 style="margin-left:30px;font-weight:normal;">Thank you </h4>
+        <h4 style="margin-left:30px;font-weight:normal;">${object.rated_partner_id.name or ''} </h4>
+    </div>
+</body>
+                ]]>
+            </field>
+        </record>
+
+        <!-- add the email template as value for the project stage 2 -->
+        <record id="project.project_stage_2" model="project.task.type">
+            <field name="rating_template_id" ref="rating_project_request_email_template"/>
+        </record>
+    </data>
+</openerp>
diff --git a/addons/rating_project/data/project_demo.xml b/addons/rating_project/data/project_demo.xml
new file mode 100644
index 00000000000..bf2a8b6c38d
--- /dev/null
+++ b/addons/rating_project/data/project_demo.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data noupdate="1">
+        <record id="rating_task_1" model="rating.rating">
+            <field name="res_model">project.task</field>
+            <field name="res_id" ref="project.project_task_3"/>
+        </record>
+        <record id="rating_task_2" model="rating.rating">
+            <field name="res_model">project.task</field>
+            <field name="res_id" ref="project.project_task_8"/>
+        </record>
+        <record id="rating_task_3" model="rating.rating">
+            <field name="res_model">project.task</field>
+            <field name="res_id" ref="project.project_task_15"/>
+        </record>
+        <record id="rating_task_4" model="rating.rating">
+            <field name="res_model">project.task</field>
+           <field name="res_id" ref="project.project_task_18"/>
+        </record>
+        <record id="rating_task_5" model="rating.rating">
+            <field name="res_model">project.task</field>
+            <field name="res_id" ref="project.project_task_24"/>
+        </record>
+
+        <function model="rating.rating" name="apply_rating" eval="(10, 'project.task', ref('project.project_task_3'))"/>
+        <function model="rating.rating" name="apply_rating" eval="(0, 'project.task', ref('project.project_task_8'))"/>
+        <function model="rating.rating" name="apply_rating" eval="(5, 'project.task', ref('project.project_task_15'))"/>
+        <function model="rating.rating" name="apply_rating" eval="(10, 'project.task', ref('project.project_task_18'))"/>
+        <function model="rating.rating" name="apply_rating" eval="(10, 'project.task', ref('project.project_task_24'))"/>
+    </data>
+</openerp>
diff --git a/addons/rating_project/models/__init__.py b/addons/rating_project/models/__init__.py
new file mode 100644
index 00000000000..6102f6fb80f
--- /dev/null
+++ b/addons/rating_project/models/__init__.py
@@ -0,0 +1,2 @@
+# -*- coding: utf-8 -*-
+import project
diff --git a/addons/rating_project/models/project.py b/addons/rating_project/models/project.py
new file mode 100644
index 00000000000..78181fd1cb8
--- /dev/null
+++ b/addons/rating_project/models/project.py
@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*-
+from openerp import models, fields, api
+
+
+class ProjectTaskType(models.Model):
+
+    _inherit = 'project.task.type'
+
+    rating_template_id = fields.Many2one(
+        'mail.template',
+        string='Rating Email Template',
+        domain=[('model', '=', 'rating.rating')],
+        help="Select an email template. An email will be sent to the customer when the task reach this step.")
+
+class Task(models.Model):
+
+    _name = 'project.task'
+    _inherit = ['project.task', 'rating.mixin']
+
+    @api.multi
+    def write(self, values):
+        if 'stage_id' in values and values.get('stage_id'):
+            template = self.env['project.task.type'].browse(values.get('stage_id')).rating_template_id
+            if template:
+                rated_partner_id = self.user_id.partner_id
+                partner_id = self.partner_id
+                if partner_id and rated_partner_id:
+                    self.rating_send_request(template, partner_id, rated_partner_id)
+        return super(Task, self).write(values)
+
+
+class Project(models.Model):
+
+    _inherit = "project.project"
+
+    @api.one
+    @api.depends('percentage_satisfaction_task')
+    def _compute_percentage_satisfaction_project(self):
+        self.percentage_satisfaction_project = self.percentage_satisfaction_task
+
+    @api.one
+    @api.depends('tasks.rating_ids.rating')
+    def _compute_percentage_satisfaction_task(self):
+        activity = self.tasks.rating_get_grades()
+        self.percentage_satisfaction_task = activity['great'] * 100 / sum(activity.values()) if sum(activity.values()) else -1
+
+    @api.one
+    @api.depends('use_tasks')
+    def _display_happy_customer(self):
+        self.is_visible_happy_customer = self.use_tasks
+
+
+    percentage_satisfaction_task = fields.Integer(
+        compute='_compute_percentage_satisfaction_task', string='% Happy', store=True, default=-1)
+    percentage_satisfaction_project = fields.Integer(
+        compute="_compute_percentage_satisfaction_project", string="% Happy", store=True, default=-1)
+    is_visible_happy_customer = fields.Boolean(
+        compute="_display_happy_customer", string="Is Visible", store=True, default=True)
+
+
+    @api.multi
+    def action_view_task_rating(self):
+        """ return the action to see all the rating about the tasks of the project """
+        action = self.env['ir.actions.act_window'].for_xml_id('rating', 'action_view_rating')
+        return dict(action, domain=[('rating', '!=', -1), ('res_id', 'in', self.tasks.ids), ('res_model', '=', 'project.task')])
+
+    @api.multi
+    def action_view_all_rating(self):
+        """ return the action to see all the rating about the all sort of activity of the project (tasks, issues, ...) """
+        return self.action_view_task_rating()
\ No newline at end of file
diff --git a/addons/rating_project/views/project_view.xml b/addons/rating_project/views/project_view.xml
new file mode 100644
index 00000000000..74fe8392135
--- /dev/null
+++ b/addons/rating_project/views/project_view.xml
@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+        <!-- project.project form view with rating satisfaction state button -->
+        <record id="view_project_project_rating_form" model="ir.ui.view">
+            <field name="name">project.project.rating.form.view</field>
+            <field name="model">project.project</field>
+            <field name="inherit_id" ref="project.edit_project"/>
+            <field name="priority" eval="20"/>
+            <field name="arch" type="xml">
+                <xpath expr="//div[@name='buttons']" position="inside">
+                    <button name="action_view_task_rating"
+                        attrs="{'invisible': ['|', ('use_tasks','=', False), ('percentage_satisfaction_task','=', -1)]}"
+                        class="oe_stat_button"
+                        type="object"
+                        icon="fa-smile-o">
+                        <field string="% Happy on task" name="percentage_satisfaction_task" widget="statinfo"/>
+                    </button>
+                </xpath>
+            </field>
+        </record>
+
+        <!-- inherit project.task.type form view to add email template for task -->
+        <record id="view_project_task_type_rating_form" model="ir.ui.view">
+            <field name="name">project.task.type.form.view.inherit</field>
+            <field name="model">project.task.type</field>
+            <field name="inherit_id" ref="project.task_type_edit"/>
+            <field name="priority" eval="20"/>
+            <field name="arch" type="xml">
+                <xpath expr="//field[@name='sequence']" position="after">
+                     <field name="rating_template_id"/>
+                </xpath>
+            </field>
+        </record>
+
+        <record id="view_project_project_rating_kanban" model="ir.ui.view">
+            <field name="name">rating.project.project.kanban.inherit</field>
+            <field name="model">project.project</field>
+            <field name="inherit_id" ref="project.view_project_kanban"/>
+            <field name="arch" type="xml">
+                <field name="use_tasks" position="after">
+                    <field name="percentage_satisfaction_project" invisible="1"/>
+                    <field name="is_visible_happy_customer" invisible="1"/>
+                </field>
+                <xpath expr="//div[contains(@class, 'oe_kanban_project_list')]" position="after">
+                    <div class="row oe_margin_top_8 oe_kanban_project_list">
+                        <a t-if="record.is_visible_happy_customer.raw_value and record.percentage_satisfaction_project.raw_value &gt; -1" name="action_view_all_rating" type="object" title="Percentage of happy people about this project">
+                            <img t-if="record.percentage_satisfaction_project.raw_value &gt;= 0 and record.percentage_satisfaction_project.raw_value &lt;= 30" class="rating" src="rating/static/src/img/rating_0.png" style="width:10%;height:10%"></img>
+                            <img t-if="record.percentage_satisfaction_project.raw_value &gt; 30 and record.percentage_satisfaction_project.raw_value &lt;= 69" class="rating" src="rating/static/src/img/rating_5.png" style="width:10%;height:10%"></img>
+                            <img t-if="record.percentage_satisfaction_project.raw_value &gt;= 70" class="rating" src="rating/static/src/img/rating_10.png" style="width:10%;height:10%"></img>
+                            <img t-if="record.percentage_satisfaction_project.raw_value &lt; 0" class="rating" src="rating/static/src/img/rating_-1.png" style="width:10%;height:10%"></img>
+                            <t t-if="record.percentage_satisfaction_project.raw_value &gt;= 0">
+                                <t t-raw="record.percentage_satisfaction_project.raw_value"/> %
+                            </t>
+                        </a>
+                    </div>
+                </xpath>
+            </field>
+        </record>
+
+    </data>
+</openerp>
diff --git a/addons/rating_project_issue/__init__.py b/addons/rating_project_issue/__init__.py
new file mode 100644
index 00000000000..63c7796ae0c
--- /dev/null
+++ b/addons/rating_project_issue/__init__.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    Odoo, Open Source Management Solution
+#    Copyright (C) 2014-Today Odoo SA (<http://www.odoo.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/>.
+#
+##############################################################################
+import models
diff --git a/addons/rating_project_issue/__openerp__.py b/addons/rating_project_issue/__openerp__.py
new file mode 100644
index 00000000000..7518853c235
--- /dev/null
+++ b/addons/rating_project_issue/__openerp__.py
@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+{
+    'name': 'Issue Rating',
+    'version': '1.0',
+    'category': 'Hidden',
+    'description': """
+This module allows a customer to give rating on Project Issue.
+""",
+    'author': 'Odoo SA',
+    'website': 'http://odoo.com',
+    'depends': [
+        'rating_project',
+        'project_issue'
+    ],
+    'data': [
+        'views/project_issue_view.xml',
+    ],
+    'demo': [
+        'data/project_issue_demo.xml',
+    ],
+    'installable': True,
+    'auto_install' : True,
+}
diff --git a/addons/rating_project_issue/data/project_issue_demo.xml b/addons/rating_project_issue/data/project_issue_demo.xml
new file mode 100644
index 00000000000..11173fbf07b
--- /dev/null
+++ b/addons/rating_project_issue/data/project_issue_demo.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data noupdate="1">
+        <record id="rating_issue_1" model="rating.rating">
+            <field name="res_model">project.issue</field>
+            <field name="res_id" ref="project_issue.crm_case_outputincorrect0"/>
+        </record>
+        <record id="rating_issue_2" model="rating.rating">
+            <field name="res_model">project.issue</field>
+            <field name="res_id" ref="project_issue.crm_case_addmenustothemodule0"/>
+        </record>
+        <record id="rating_issue_3" model="rating.rating">
+            <field name="res_model">project.issue</field>
+            <field name="res_id" ref="project_issue.crm_case_improvereportsinhrms0"/>
+        </record>
+
+        <function model="rating.rating" name="apply_rating" eval="(10, 'project.issue',
+        ref('project_issue.crm_case_outputincorrect0'))"/>
+        <function model="rating.rating" name="apply_rating" eval="(0, 'project.issue',
+        ref('project_issue.crm_case_addmenustothemodule0'))"/>
+        <function model="rating.rating" name="apply_rating" eval="(5, 'project.issue',
+        ref('project_issue.crm_case_improvereportsinhrms0'))"/>
+    </data>
+</openerp>
diff --git a/addons/rating_project_issue/models/__init__.py b/addons/rating_project_issue/models/__init__.py
new file mode 100644
index 00000000000..7cdce9b1c8b
--- /dev/null
+++ b/addons/rating_project_issue/models/__init__.py
@@ -0,0 +1,2 @@
+# -*- coding: utf-8 -*-
+import project_issue
diff --git a/addons/rating_project_issue/models/project_issue.py b/addons/rating_project_issue/models/project_issue.py
new file mode 100644
index 00000000000..526c976b5cb
--- /dev/null
+++ b/addons/rating_project_issue/models/project_issue.py
@@ -0,0 +1,96 @@
+# -*- coding: utf-8 -*-
+from openerp import api, fields, models
+
+
+class ProjectIssue(models.Model):
+
+    _name = "project.issue"
+    _inherit = ['project.issue', 'rating.mixin']
+
+    @api.multi
+    def write(self, values):
+        if 'stage_id' in values and values.get('stage_id'):
+            template = self.env['project.task.type'].browse(values.get('stage_id')).rating_template_id
+            if template:
+                rated_partner_id = self.user_id.partner_id
+                partner_id = self.partner_id
+                if partner_id and rated_partner_id:
+                    self.rating_send_request(template, partner_id, rated_partner_id)
+        return super(ProjectIssue, self).write(values)
+
+
+class Project(models.Model):
+
+    _inherit = "project.project"
+
+    @api.multi
+    @api.depends('percentage_satisfaction_task', 'percentage_satisfaction_issue')
+    def _compute_percentage_satisfaction_project(self):
+        super(Project, self)._compute_percentage_satisfaction_project()
+        Rating = self.env['rating.rating']
+        for record in self.filtered(lambda record: record.use_tasks or record.use_issues):
+            if record.use_tasks or record.use_issues:
+                # built the domain according the project parameters (use tasks and/or issues)
+                res_models = []
+                domain = []
+                if record.use_tasks:
+                    res_models.append('project.task')
+                    domain += ['&', ('res_model', '=', 'project.task'), ('res_id', 'in', record.tasks.ids)]
+                if record.use_issues:
+                    res_models.append('project.issue')
+                    domain += ['&', ('res_model', '=', 'project.issue'), ('res_id', 'in', record.issue_ids.ids)]
+                if len(res_models) == 2:
+                    domain = ['|'] + domain
+                domain = ['&', ('rating', '>=', 0)] + domain
+                # get the number of rated tasks and issues with a read_group (more perfomant !)
+                grouped_data = Rating.read_group(domain, ['res_model'], ['res_model'])
+                # compute the number of each model and total number
+                res = dict.fromkeys(res_models, 0)
+                for data in grouped_data:
+                    res[data['res_model']] += data['res_model_count']
+                nbr_rated_task = res.get('project.task', 0)
+                nbr_rated_issue = res.get('project.issue', 0)
+                nbr_project_rating = nbr_rated_issue + nbr_rated_task
+                # compute the weighted arithmetic average
+                ratio_task = float(nbr_rated_task) / float(nbr_project_rating) if nbr_project_rating else 0
+                ratio_issue = float(nbr_rated_issue) / float(nbr_project_rating) if nbr_project_rating else 0
+                record.percentage_satisfaction_project = round((ratio_task*record.percentage_satisfaction_task)+(ratio_issue*record.percentage_satisfaction_issue)) if nbr_project_rating else -1
+            else:
+                record.percentage_satisfaction_project = -1
+
+    @api.one
+    @api.depends('issue_ids.rating_ids.rating')
+    def _compute_percentage_satisfaction_issue(self):
+        project_issue = self.env['project.issue'].search([('project_id', '=', self.id)])
+        activity = project_issue.rating_get_grades()
+        self.percentage_satisfaction_issue = activity['great'] * 100 / sum(activity.values()) if sum(activity.values()) else -1
+
+    @api.one
+    @api.depends('use_tasks', 'use_issues')
+    def _display_happy_customer(self):
+        self.is_visible_happy_customer = self.use_tasks if self.use_tasks else self.use_issues
+
+    percentage_satisfaction_issue = fields.Integer(compute='_compute_percentage_satisfaction_issue', string='% Happy', store=True, default=-1)
+
+    @api.multi
+    def action_view_issue_rating(self):
+        """ return the action to see all the rating about the issues of the project """
+        action = self.env['ir.actions.act_window'].for_xml_id('rating', 'action_view_rating')
+        issues = self.env['project.issue'].search([('project_id', 'in', self.ids)])
+        return dict(action, domain=[('res_id', 'in', issues.ids), ('res_model', '=', 'project.issue')])
+
+    @api.multi
+    def action_view_all_rating(self):
+        action = super(Project, self).action_view_all_rating()
+        task_domain = action['domain'][1:] # remove the (rating != -1) condition
+        domain = []
+        if self.use_tasks: # add task domain, if neeeded
+            domain = ['&'] + task_domain
+        if self.use_issues: # add issue domain if needed
+            issues = self.env['project.issue'].search([('project_id', 'in', self.ids)])
+            domain = domain + ['&', ('res_id', 'in', issues.ids), ('res_model', '=', 'project.issue')]
+        if self.use_tasks and self.use_issues:
+            domain = ['|'] + domain
+        domain = [('rating', '!=', -1)] + domain # prepend the condition to avoid empty rating
+        return dict(action, domain=domain)
+
diff --git a/addons/rating_project_issue/views/project_issue_view.xml b/addons/rating_project_issue/views/project_issue_view.xml
new file mode 100644
index 00000000000..da554dfe3c0
--- /dev/null
+++ b/addons/rating_project_issue/views/project_issue_view.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<openerp>
+    <data>
+        <!-- inherit get state button on project -->
+        <record id="project_issue_view_rating" model="ir.ui.view">
+            <field name="name">project.issue.view.rating</field>
+            <field name="model">project.project</field>
+            <field name="inherit_id" ref="project.edit_project"/>
+            <field name="priority" eval="20"/>
+            <field name="arch" type="xml">
+                <xpath expr="//div[@name='buttons']" position="inside">
+                    <button name="action_view_issue_rating"
+                        attrs="{'invisible': ['|', ('use_issues','=', False), ('percentage_satisfaction_issue','=', -1)]}"
+                        class="oe_stat_button"
+                        type="object"
+                        icon="fa-smile-o">
+                        <field string="% Happy on issue" name="percentage_satisfaction_issue" widget="statinfo"/>
+                     </button>
+                </xpath>
+            </field>
+        </record>
+
+    </data>
+</openerp>