From 69890545b0d038e0dd85bea4e42369071e5359c1 Mon Sep 17 00:00:00 2001
From: William Henrotin <whe@odoo.com>
Date: Mon, 12 Feb 2018 11:19:39 +0100
Subject: [PATCH] [FIX] purchase_requisition edit product price to 0

When editing a blanket order, if the price change, the price also change
in the supplier info. The issue is we can set 0 in the price.
---
 addons/purchase_requisition/models/purchase_requisition.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/addons/purchase_requisition/models/purchase_requisition.py b/addons/purchase_requisition/models/purchase_requisition.py
index 3c0288bdc4b..df63926ce98 100644
--- a/addons/purchase_requisition/models/purchase_requisition.py
+++ b/addons/purchase_requisition/models/purchase_requisition.py
@@ -218,12 +218,16 @@ class PurchaseRequisitionLine(models.Model):
             ])
             if not [s.requisition_id for s in supplier_infos]:
                 res.create_supplier_info()
+            if vals['price_unit'] <= 0.0:
+                raise UserError(_('You cannot confirm the blanket order without price.'))
         return res
 
     @api.multi
     def write(self, vals):
         res = super(PurchaseRequisitionLine, self).write(vals)
         if 'price_unit' in vals:
+            if vals['price_unit'] <= 0.0:
+                raise UserError(_('You cannot confirm the blanket order without price.'))
             # If the price is updated, we have to update the related SupplierInfo
             self.supplier_info_ids.write({'price': vals['price_unit']})
         return res