From 3d8404ecb36e3519c40cca0488a9d06360379def Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Tue, 22 Nov 2022 13:47:01 +0100
Subject: [PATCH] Standardize code with reception (option to allow negative
 shipment)

---
 htdocs/expedition/class/expedition.class.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/htdocs/expedition/class/expedition.class.php b/htdocs/expedition/class/expedition.class.php
index 4842a27fa77..0b8668a6c1a 100644
--- a/htdocs/expedition/class/expedition.class.php
+++ b/htdocs/expedition/class/expedition.class.php
@@ -740,7 +740,8 @@ class Expedition extends CommonObject
 					} else {
 						$qty = $obj->edbqty;
 					}
-					if ($qty <= 0) {
+
+					if ($qty == 0 || ($qty < 0 && !getDolGlobalInt('SHIPMENT_ALLOW_NEGATIVE_QTY'))) {
 						continue;
 					}
 					dol_syslog(get_class($this)."::valid movement index ".$i." ed.rowid=".$obj->rowid." edb.rowid=".$obj->edbrowid);