[11.0][ADD]account_supplier_invoice_number

account_supplier_invoice_number/README.rst

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+.. image:: https://img.shields.io/badge/license-AGPL--3-blue.png
+   :target: https://www.gnu.org/licenses/agpl
+   :alt: License: AGPL-3
+
+=======================
+Supplier invoice number
+=======================
+
+This module adds the 'Supplier Invoice Number' field to a supplier invoice.
+
+This module is a prerequisite for other modules adding extra functionality such as
+
+- supplier invoices with structured communications
+- supplier invoice duplicate checking
+
+
+Known issues / Roadmap
+======================
+
+- Align this module with the OCA 'account_invoice_supplier_ref_unique' module.

account_supplier_invoice_number/__init__.py

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+from . import models

account_supplier_invoice_number/__manifest__.py

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+# Copyright 2009-2019 Noviat.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    'name': 'Supplier invoice number',
+    'version': '11.0.1.0.0',
+    'category': 'Accounting & Finance',
+    'website': 'https://www.noviat.com',
+    'author': 'Noviat',
+    'license': 'AGPL-3',
+    'data': [
+        'views/account_invoice_views.xml',
+    ],
+    'depends': [
+        'account',
+    ],
+    'installable': True,
+}

account_supplier_invoice_number/models/__init__.py

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+from . import account_invoice

account_supplier_invoice_number/models/account_invoice.py

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+# Copyright 2009-2019 Noviat.
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+
+
+class AccountInvoice(models.Model):
+    _inherit = 'account.invoice'
+
+    supplier_invoice_number = fields.Char(
+        string='Vendor Invoice Number',
+        readonly=True,
+        states={'draft': [('readonly', False)]},
+        copy=False)
+
+    @api.onchange('supplier_invoice_number')
+    def _onchange_supplier_invoice_number(self):
+        if not self.reference:
+            self.reference = self.supplier_invoice_number
+
+    @api.onchange('reference')
+    def _onchange_vendor_bill_reference(self):
+        if self.type in ['in_invoice', 'in_refund'] \
+                and not self.supplier_invoice_number:
+            self.supplier_invoice_number = self.reference

account_supplier_invoice_number/views/account_invoice_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+  <record id="invoice_supplier_form" model="ir.ui.view">
+    <field name="name">account.invoice.supplier.form.inherit</field>
+    <field name="model">account.invoice</field>
+    <field name="inherit_id" ref="account.invoice_supplier_form"/>
+    <field name="arch" type="xml">
+      <field name="partner_id" position="after">
+        <field name="supplier_invoice_number"/>
+      </field>
+    </field>
+  </record>
+
+</odoo>