From e8de1b62d113fb9380cb9c07d4bb2ff61682c2a8 Mon Sep 17 00:00:00 2001
From: ldestailleur <eldy@destailleur.fr>
Date: Sat, 26 Jul 2025 11:38:27 +0200
Subject: [PATCH] Debug v22

---
 htdocs/core/lib/pdf.lib.php                       | 15 +++++++++++----
 .../modules/facture/doc/pdf_sponge.modules.php    |  5 ++++-
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/htdocs/core/lib/pdf.lib.php b/htdocs/core/lib/pdf.lib.php
index 8d47b0bdb86..87c75ac787e 100644
--- a/htdocs/core/lib/pdf.lib.php
+++ b/htdocs/core/lib/pdf.lib.php
@@ -2747,15 +2747,17 @@ function pdf_getSizeForImage($realpath)
 }
 
 /**
- *	Return line total amount discount
+ *	Return line total amount discount.
+ *  Calculated by taking the unit price (subprice) * quantity - (total without tax)
  *
  *	@param	Commande|Facture|Propal			$object				Object
  *	@param	int								$i					Current line number
  *  @param  Translate						$outputlangs		Object langs for output
  *  @param	int<0,2>						$hidedetails		Hide details (0=no, 1=yes, 2=just special lines)
+ *  @param	int<0,1>						$multicurrency		1=Get value in the foreign currency
  * 	@return	int|float|string									Return total of line excl tax
  */
-function pdfGetLineTotalDiscountAmount($object, $i, $outputlangs, $hidedetails = 0)
+function pdfGetLineTotalDiscountAmount($object, $i, $outputlangs, $hidedetails = 0, $multicurrency = 0)
 {
 	global $hookmanager;
 
@@ -2777,7 +2779,8 @@ function pdfGetLineTotalDiscountAmount($object, $i, $outputlangs, $hidedetails =
 				'i' => $i,
 				'outputlangs' => $outputlangs,
 				'hidedetails' => $hidedetails,
-				'special_code' => $special_code
+				'special_code' => $special_code,
+				'multicurrency' => $multicurrency
 			);
 
 			$action = '';
@@ -2792,7 +2795,11 @@ function pdfGetLineTotalDiscountAmount($object, $i, $outputlangs, $hidedetails =
 		}
 
 		if (empty($hidedetails) || $hidedetails > 1) {
-			return (float) price2num($sign * (($object->lines[$i]->subprice * (float) $object->lines[$i]->qty) - $object->lines[$i]->total_ht), 'MT', 1);
+			if (empty($multicurrency)) {
+				return (float) price2num($sign * (($object->lines[$i]->subprice * (float) $object->lines[$i]->qty) - $object->lines[$i]->total_ht), 'MT', 1);
+			} else {
+				return (float) price2num($sign * (($object->lines[$i]->multicurrency_subprice * (float) $object->lines[$i]->qty) - $object->lines[$i]->multicurrency_total_ht), 'MT', 1);
+			}
 		}
 	}
 	return 0;
diff --git a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
index 12e69150e89..8c2df0a7449 100644
--- a/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_sponge.modules.php
@@ -1800,16 +1800,19 @@ class pdf_sponge extends ModelePDFFactures
 
 		// Total discount
 		$total_discount_on_lines = 0;
+		$multicurrency_total_discount_on_lines = 0;
 		foreach ($object->lines as $i => $line) {
 			$resdiscount = pdfGetLineTotalDiscountAmount($object, $i, $outputlangs, 2);
+			$multicurrency_resdiscount = pdfGetLineTotalDiscountAmount($object, $i, $outputlangs, 2, 1);
 
 			$total_discount_on_lines += (is_numeric($resdiscount) ? $resdiscount : 0);
+			$multicurrency_total_discount_on_lines += (is_numeric($multicurrency_resdiscount) ? $multicurrency_resdiscount : 0);
 			// If line was a negative line, we do not count the discount as a discount
 			if ($line->total_ht < 0) {
 				$total_discount_on_lines += -$line->total_ht;
+				$multicurrency_total_discount_on_lines += -$line->multicurrency_total_ht;
 			}
 		}
-		$multicurrency_total_discount_on_lines = price2num($total_discount_on_lines * $object->multicurrency_tx, 'CT');
 
 		if ($total_discount_on_lines > 0) {
 			// Show total NET before discount