From 4f7abe3354f5d9b2805f72df487677e0d9c2d9ad Mon Sep 17 00:00:00 2001
From: Alexis de Lattre <alexis.delattre@akretion.com>
Date: Mon, 12 Sep 2016 12:58:02 +0200
Subject: [PATCH] Auto-reset period when changing date on invoice

---
 account_usability/account.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/account_usability/account.py b/account_usability/account.py
index 6d06f32..1b6d30d 100644
--- a/account_usability/account.py
+++ b/account_usability/account.py
@@ -54,6 +54,14 @@ class AccountInvoice(models.Model):
                         invoice.date_invoice))
         return super(AccountInvoice, self).action_move_create()
 
+    @api.multi
+    def onchange_payment_term_date_invoice(self, payment_term_id, date_invoice):
+        res = super(AccountInvoice, self).onchange_payment_term_date_invoice(
+            payment_term_id, date_invoice)
+        if res and isinstance(res, dict) and 'value' in res:
+            res['value']['period_id'] = False
+        return res
+
 
 class AccountFiscalYear(models.Model):
     _inherit = 'account.fiscalyear'