From 63d27363f7593c4bc8aed268a3b51b00018817df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adri=C3=A1n=20Bernardi?= <abernardi@kalenislims.com>
Date: Thu, 25 Nov 2021 12:50:32 -0300
Subject: [PATCH] lims_account_invoice: avoid changing the product when the
 invoice line belongs to a service

---
 lims_account_invoice/invoice.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lims_account_invoice/invoice.py b/lims_account_invoice/invoice.py
index 0606b8c..5dad2af 100644
--- a/lims_account_invoice/invoice.py
+++ b/lims_account_invoice/invoice.py
@@ -274,6 +274,10 @@ class InvoiceLine(metaclass=PoolMeta):
             ('id', 'in', Eval('party_domain')), ('id', '!=', -1))]
         if 'party_domain' not in cls.party.depends:
             cls.party.depends.append('party_domain')
+        cls.product.states['readonly'] = Or(
+            Eval('invoice_state') != 'draft',
+            Bool(Eval('lims_service_sample')))
+        cls.product.depends.append('lims_service_sample')
 
     @classmethod
     def delete(cls, lines):