From e0cd3a456a9507b6b6d856ed6fc1086ebcf8ca4b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mathias=20Gla=CC=88ser?= <mathias.glaeser@beaufort.ch>
Date: Sun, 6 Sep 2026 14:48:59 +0200
Subject: [PATCH] OTC auf Einzelartikel je Produkt begrenzen

---
 modules/erp/artikel-mapping/service.php | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/modules/erp/artikel-mapping/service.php b/modules/erp/artikel-mapping/service.php
index f22aae8..e09c88f 100644
--- a/modules/erp/artikel-mapping/service.php
+++ b/modules/erp/artikel-mapping/service.php
@@ -129,10 +129,20 @@ function sellable_item_exists(PDO $pdo, int $sellableItemId): bool
 function find_sellable_item_for_product(PDO $pdo, int $productId): ?int
 {
     $stmt = $pdo->prepare(
-        'SELECT sellable_item_id
-         FROM sellable_item_component
-         WHERE product_id = :product_id
-         ORDER BY id
+        'SELECT sic.sellable_item_id
+         FROM sellable_item_component sic
+         INNER JOIN sellable_item si ON si.id = sic.sellable_item_id
+         INNER JOIN product p ON p.id = sic.product_id
+         WHERE sic.product_id = :product_id
+           AND sic.qty_per_item = 1
+           AND si.item_code = p.sku || \'.01\'
+           AND NOT EXISTS (
+               SELECT 1
+               FROM sellable_item_component other_sic
+               WHERE other_sic.sellable_item_id = sic.sellable_item_id
+                 AND other_sic.id <> sic.id
+           )
+         ORDER BY sic.id
          LIMIT 1'
     );
     $stmt->execute([':product_id' => $productId]);