Implemented new custom sort and separated the sorted view for each car

lib/feature/delivery/overview/model/sorting_information.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/cupertino.dart';
 
 class SortingInformation {
   String deliveryId;
@@ -18,36 +19,38 @@ class SortingInformation {
 }
 
 class SortingInformationContainer {
-  List<SortingInformation> sorting;
+  Map<String, List<String>> cars;
 
-  SortingInformationContainer({required this.sorting});
-
-  void sort() {
-    sorting.sort((a, b) => a.position.compareTo(b.position));
-  }
+  SortingInformationContainer({required this.cars});
 
   static SortingInformationContainer fromJson(Map<String, dynamic> json) {
     SortingInformationContainer container = SortingInformationContainer(
-      sorting: [],
+      cars: {},
     );
 
-    for (final info in json["sorting"]) {
-      container.sorting.add(SortingInformation.fromJson(info));
+    for (final car in json["cars"].entries) {
+      List<String> values = [];
+      for (String value in car.value) {
+        values.add(value);
+      }
+
+      container.cars[car.key] = values;
     }
 
     return container;
   }
 
   Map<String, dynamic> toJson() {
-    return {
-      "sorting":
-          sorting.map((info) => SortingInformation.toJson(info)).toList(),
-    };
+    Map<String, dynamic> cars = {};
+
+    for (final car in this.cars.entries) {
+      cars[car.key] = car.value;
+    }
+
+    return {"cars": cars};
   }
 
-  SortingInformationContainer copyWith({List<SortingInformation>? sorting}) {
-    return SortingInformationContainer(
-      sorting: sorting ?? this.sorting,
-    );
+  SortingInformationContainer copyWith({Map<String, List<String>>? sorting}) {
+    return SortingInformationContainer(cars: sorting ?? cars);
   }
 }