Add module account_banking_mandate_sale

Add option 'mandate_required' on payment orders
Autoselect first valid mandate on customer invoice that have a payment mode 'mandate_required' = True
Add option on select move lines to pay wizard to allow selection of litigation moves (unchecked by default), in order to integrate the feature of the module account_payment_blocking

account_banking_mandate_sale/README.rst

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+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+    :alt: License: AGPL-3
+
+Account Banking Mandate Sale
+============================
+
+This modules adds the field *Direct Debit Mandate* on sale orders.
+
+Configuration
+=============
+
+There is nothing to configure.
+
+Usage
+=====
+
+When you select a payment mode that requires mandate on a sale order, Odoo will
+select by default the first valid mandate of this customer.
+
+The mandate will be copied from the sale order to the invoice.
+
+.. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
+   :alt: Try me on Runbot
+   :target: https://runbot.odoo-community.org/runbot/173/9.0
+
+Known issues / Roadmap
+======================
+
+ * No known issues.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues
+<https://github.com/OCA/bank-payment/issues>`_. In case of trouble, please
+check there if your issue has already been reported. If you spotted it first,
+help us smashing it by providing a detailed and welcomed `feedback
+<https://github.com/OCA/
+bank-payment/issues/new?body=module:%20
+account_banking_mandate_sale%0Aversion:%20
+9.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Credits
+=======
+
+Images
+------
+
+* Odoo Community Association: `Icon <https://github.com/OCA/maintainer-tools/blob/master/template/module/static/description/icon.svg>`_.
+
+Contributors
+------------
+
+* Alexis de Lattre <alexis.delattre@akretion.com>
+
+Maintainer
+----------
+
+.. image:: http://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: http://odoo-community.org
+
+This module is maintained by the OCA.
+
+OCA, or the Odoo Community Association, is a nonprofit organization
+whose mission is to support the collaborative development of Odoo
+features and promote its widespread use.
+
+To contribute to this module, please visit http://odoo-community.org.

account_banking_mandate_sale/__init__.py

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+# -*- coding: utf-8 -*-
+
+from . import models
+from . import wizard

account_banking_mandate_sale/__openerp__.py

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+# -*- coding: utf-8 -*-
+# © 2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    'name': 'Account Banking Mandate Sale',
+    'version': '9.0.1.0.0',
+    'category': 'Banking addons',
+    'license': 'AGPL-3',
+    'summary': "Adds mandates on sale orders",
+    'author': "Akretion, "
+              "Odoo Community Association (OCA)",
+    'website': 'https://github.com/OCA/bank-payment',
+    'depends': [
+        'account_payment_sale',
+        'account_banking_mandate',
+    ],
+    'data': [
+        'views/sale_order.xml',
+    ],
+    'installable': True,
+}

account_banking_mandate_sale/models/__init__.py

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+# -*- coding: utf-8 -*-
+
+from . import sale_order

account_banking_mandate_sale/models/sale_order.py

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+# -*- coding: utf-8 -*-
+# © 2014-2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from openerp import models, fields, api
+
+
+class SaleOrder(models.Model):
+    _inherit = "sale.order"
+
+    # This field commercial_partner_id should be moved
+    # in an OCA base module named for example sale_commercial_partner
+    commercial_partner_id = fields.Many2one(
+        related='partner_id.commercial_partner_id', string='Commercial Entity',
+        store=True, readonly=True)
+    mandate_id = fields.Many2one(
+        'account.banking.mandate', string='Direct Debit Mandate',
+        ondelete='restrict', readonly=True,
+        states={'draft': [('readonly', False)], 'sent': [('readonly', False)]})
+
+    @api.multi
+    def _prepare_invoice(self):
+        """Copy mandate from sale order to invoice"""
+        vals = super(SaleOrder, self)._prepare_invoice()
+        vals['mandate_id'] = self.mandate_id.id
+        return vals
+
+    @api.onchange('payment_mode_id')
+    def payment_mode_change(self):
+        """Select by default the first valid mandate of the partner"""
+        if self.payment_mode_id.mandate_required and self.partner_id:
+            mandates = self.env['account.banking.mandate'].search([
+                ('state', '=', 'valid'),
+                ('partner_id', '=', self.commercial_partner_id.id),
+                ])
+            self.mandate_id = mandates[0]

account_banking_mandate_sale/views/sale_order.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2016 Akretion (http://www.akretion.com/)
+    @author Alexis de Lattre <alexis.delattre@akretion.com>
+    The licence is in the file __openerp__.py
+-->
+
+<openerp>
+<data>
+
+
+<record id="view_order_form" model="ir.ui.view">
+    <field name="name">account_banking_mandate_sale.sale_order.form</field>
+    <field name="model">sale.order</field>
+    <field name="inherit_id" ref="account_payment_sale.view_order_form"/>
+    <field name="arch" type="xml">
+        <field name="payment_mode_id" position="after">
+            <field name="commercial_partner_id" invisible="1"/>
+            <field name="mandate_id"
+                domain="[('partner_id', '=', commercial_partner_id), ('state', 'in', ('draft', 'valid'))]"/>
+        </field>
+    </field>
+</record>
+
+
+</data>
+</openerp>

account_banking_mandate_sale/wizard/__init__.py

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+# -*- coding: utf-8 -*-
+
+from . import sale_make_invoice_advance

account_banking_mandate_sale/wizard/sale_make_invoice_advance.py

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+# -*- coding: utf-8 -*-
+# © 2016 Akretion (Alexis de Lattre <alexis.delattre@akretion.com>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from openerp import models, api
+
+
+class SaleAdvancePaymentInv(models.TransientModel):
+    _inherit = 'sale.advance.payment.inv'
+
+    @api.multi
+    def _create_invoice(self, order, so_line, amount):
+        """Copy mandate from sale order to invoice"""
+        inv = super(SaleAdvancePaymentInv, self)._create_invoice(
+            order, so_line, amount)
+        if order.mandate_id:
+            inv.mandate_id = order.mandate_id.id
+        return inv