contract_payment_mode module

contract_payment_mode/models/contract.py

@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+from openerp import models, fields, api
+
+
+class AccountAnalyticAccount(models.Model):
+    _inherit = 'account.analytic.account'
+
+    payment_mode_id = fields.Many2one(
+        'payment.mode',
+        string='Payment Mode',
+        domain="[('type', '=', 'sale')]")
+
+    @api.multi
+    def on_change_partner_id(self, partner_id, name):
+        res = super(AccountAnalyticAccount, self).on_change_partner_id(
+            partner_id,
+            name)
+        partner = self.env['res.partner'].browse(partner_id)
+        if partner and partner.customer_payment_mode:
+            res['value']['payment_mode_id'] = partner.customer_payment_mode.id
+        return res
+
+    @api.model
+    def _prepare_invoice_data(self, contract):
+        invoice_vals = super(AccountAnalyticAccount, self).\
+            _prepare_invoice_data(
+            contract)
+        if contract.payment_mode_id:
+            invoice_vals['payment_mode_id'] = contract.payment_mode_id.id
+            invoice_vals['partner_bank_id'] = \
+                contract.payment_mode_id.bank_id.id
+
+        return invoice_vals