partner_ref_unique addon and change description icon

partner_ref_unique/README.rst

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+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+
+========================
+Partner unique reference
+========================
+
+Add an unique constraint to partner ref field
+
+Credits
+=======
+
+Contributors
+------------
+
+* Antonio Espinosa <antonioea@antiun.com>
+
+Maintainer
+----------
+
+.. image:: http://www.antiun.com/images/logo-b.png
+   :alt: Antiun Ingeniería S.L.
+   :target: http://www.antiun.com
+
+This module is maintained by Antiun Ingeniería S.L.
+
+Antiun Ingeniería S.L. is an IT consulting company especialized in Odoo
+and provides Odoo development, install, maintenance and hosting
+services.
+
+To contribute to this module, please visit https://github.com/Antiun
+or contact us at odoo@antiun.com
+

partner_ref_unique/__init__.py

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+# -*- coding: utf-8 -*-
+# © 2016 Antiun Ingenieria S.L. - Antonio Espinosa
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from . import models

partner_ref_unique/__openerp__.py

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+# -*- coding: utf-8 -*-
+# © 2016 Antiun Ingenieria S.L. - Antonio Espinosa
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+{
+    "name": "Partner unique reference",
+    "summary": "Add an unique constraint to partner ref field",
+    "version": "8.0.1.0.0",
+    "category": "Customer Relationship Management",
+    "website": "http://www.antiun.com",
+    "author": "Antiun Ingeniería S.L.",
+    "license": "AGPL-3",
+    "application": False,
+    "installable": True,
+    # 'auto_install':False,
+    "external_dependencies": {
+        "python": [],
+        "bin": [],
+    },
+    "depends": [
+        "base",
+    ],
+    "data": [
+        "views/res_company_view.xml",
+    ],
+    "demo": [
+    ],
+    "qweb": [
+    ]
+}

partner_ref_unique/models/__init__.py

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+# -*- coding: utf-8 -*-
+# © 2016 Antiun Ingenieria S.L. - Antonio Espinosa
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from . import res_company
+from . import res_partner

partner_ref_unique/models/res_company.py

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+# -*- coding: utf-8 -*-
+# © 2016 Antiun Ingenieria S.L. - Antonio Espinosa
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from openerp import models, fields
+
+
+class ResCompany(models.Model):
+    _inherit = "res.company"
+
+    partner_ref_unique = fields.Selection(
+        selection=[
+            ('none', 'None'),
+            ('companies', 'Only companies'),
+            ('all', 'All partners'),
+        ], string="Unique partner reference for", default="none")

partner_ref_unique/models/res_partner.py

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+# -*- coding: utf-8 -*-
+# © 2016 Antiun Ingenieria S.L. - Antonio Espinosa
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from openerp import models, api, _
+from openerp.exceptions import ValidationError
+
+
+class ResPartner(models.Model):
+    _inherit = "res.partner"
+
+    @api.multi
+    @api.constrains('ref', 'is_company', 'company_id')
+    def _check_ref(self):
+        for partner in self:
+            mode = partner.company_id.partner_ref_unique
+            if (partner.ref and (
+                    mode == 'all' or
+                    (mode == 'companies' and partner.is_company))):
+                domain = [
+                    ('id', '!=', partner.id),
+                    ('ref', '=', partner.ref),
+                    ('customer', '=', True),
+                ]
+                if mode == 'companies':
+                    domain.append(('is_company', '=', True))
+                other = self.search(domain)
+                if other:
+                    raise ValidationError(
+                        _("This reference is equal to partner '%s'") %
+                        other[0].display_name)

partner_ref_unique/views/res_company_view.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!-- © 2016 Antiun Ingenieria S.L. - Antonio Espinosa
+     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html). -->
+<openerp>
+<data>
+
+<record id="view_company_form" model="ir.ui.view">
+    <field name="name">Add partner_ref_unique field</field>
+    <field name="model">res.company</field>
+    <field name="inherit_id" ref="base.view_company_form"/>
+    <field name="arch" type="xml">
+        <page string="Configuration" position="inside">
+            <group>
+                <group name="partner" string="Partners">
+                    <field name="partner_ref_unique"/>
+                </group>
+            </group>
+        </page>
+    </field>
+</record>
+
+</data>
+</openerp>