BIG FAT

lib/model/tour.dart

@@ -60,6 +60,23 @@ class Tour {
         .length;
   }
 
+  /// Returns true if the car still has loaded articles assigned to a delivery
+  /// that has not been finished yet. Scannable articles count when their
+  /// effective scanned amount (scanned minus removed) is positive; non-scannable
+  /// articles count when their target amount is greater than zero.
+  bool hasUndeliveredLoadedArticles(int carId) {
+    return deliveries.any((delivery) {
+      if (delivery.carId != carId) return false;
+      if (delivery.state == DeliveryState.finished) return false;
+      return delivery.articles.any((article) {
+        if (article.scannable) {
+          return article.scannedAmount > article.scannedRemovedAmount;
+        }
+        return article.amount > 0;
+      });
+    });
+  }
+
   Tour copyWith({
     DateTime? date,
     String? discountArticleNumber,