Added Streams to TourRepository

lib/model/tour.dart

@@ -21,6 +21,18 @@ class Payment {
       id: dto.id,
     );
   }
+
+  Payment copyWith({
+    String? description,
+    String? shortcode,
+    String? id,
+  }) {
+    return Payment(
+      description: description ?? this.description,
+      shortcode: shortcode ?? this.shortcode,
+      id: id ?? this.id,
+    );
+  }
 }
 
 class Tour {
@@ -30,7 +42,7 @@ class Tour {
     required this.driver,
     required this.discountArticleNumber,
     required this.paymentMethods,
-  });
+  }) : deliveriesPerCar = {};
 
   final DateTime date;
   final String discountArticleNumber;
@@ -38,6 +50,8 @@ class Tour {
   final List<Delivery> deliveries;
   List<Payment> paymentMethods;
 
+  Map<String, List<Delivery>> deliveriesPerCar;
+
   int getFinishedDeliveries(int carId) {
     return deliveries
         .where((delivery) => delivery.carId == carId)
@@ -54,8 +68,9 @@ class Tour {
     List<Payment>? paymentMethods,
   }) {
     return Tour(
-      date: date ?? this.date,
-      discountArticleNumber: discountArticleNumber ?? this.discountArticleNumber,
+      date: date ?? this.date.copyWith(),
+      discountArticleNumber:
+          discountArticleNumber ?? this.discountArticleNumber,
       driver: driver ?? this.driver,
       deliveries: deliveries ?? this.deliveries,
       paymentMethods: paymentMethods ?? this.paymentMethods,
@@ -84,4 +99,18 @@ class Driver {
 
     return "$salutation, $name";
   }
+
+  Driver copyWith(
+    int? teamNumber,
+    String? name,
+    String? salutation,
+    List<Car>? cars,
+  ) {
+    return Driver(
+      teamNumber: teamNumber ?? this.teamNumber,
+      name: name ?? this.name,
+      salutation: salutation ?? this.salutation,
+      cars: cars ?? this.cars,
+    );
+  }
 }