From b7903e605d873f941c2acfec8d8e8f8a5ff929ab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sat, 4 Jul 2020 23:49:25 +0200
Subject: [PATCH] Enforce unit price on drop and customer return moves

Those values are interesting information for reporting or to compare with the
cost price.

issue9402
review327421002
---
 sale.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sale.py b/sale.py
index 28068da184..8d68af2515 100644
--- a/sale.py
+++ b/sale.py
@@ -1559,8 +1559,9 @@ class SaleLine(sequence_ordered(), ModelSQL, ModelView):
         move.to_location = self.to_location
         move.state = 'draft'
         move.company = self.sale.company
-        move.unit_price = self.unit_price
-        move.currency = self.sale.currency
+        if move.on_change_with_unit_price_required():
+            move.unit_price = self.unit_price
+            move.currency = self.sale.currency
         if self.moves:
             # backorder can not be planned but shipping date could be used
             # if set in the future