Ermoegliche Bearbeitung offener Chargen

modules/erp/lager/api/lot.php

@@ -71,7 +71,22 @@ try {
         if ($lotNumber === '') {
             throw new InvalidArgumentException('Naurua-Chargennummer fehlt');
         }
-        $lotId = get_or_create_open_lot($pdo, $productId);
+        $lotId = (int) ($data['lotId'] ?? 0);
+        if ($lotId > 0) {
+            $lotStmt = $pdo->prepare(
+                "SELECT id
+                 FROM stock_lot
+                 WHERE id = :lot_id
+                   AND product_id = :product_id
+                   AND status = 'open'"
+            );
+            $lotStmt->execute([':lot_id' => $lotId, ':product_id' => $productId]);
+            if ($lotStmt->fetchColumn() === false) {
+                throw new InvalidArgumentException('Offene Charge nicht gefunden');
+            }
+        } else {
+            $lotId = get_or_create_open_lot($pdo, $productId);
+        }
         $manufacturerPartyId = $data['manufacturerPartyId'] ?? null;
         $manufacturerPartyId = $manufacturerPartyId === null || $manufacturerPartyId === '' ? null : (int) $manufacturerPartyId;
         $receiptQty = isset($data['receiptQty']) && $data['receiptQty'] !== '' ? (float) $data['receiptQty'] : 0.0;