change app name, add route calculator

lib/objects/objects.dart

@@ -81,37 +81,71 @@ class YearlyMileage {
   );
 }
 
-class LocoSummary {
-  final String locoType, locoClass, locoNumber, locoName, locoOperator;
-  final String? locoNotes, locoEvn;
-  final int locoId;
-  final int? locoJourneys;
-  final double? locoMileage;
+class Loco {
+  final int id;
+  final String type, number, locoClass;
+  final String? name, operator, notes, evn;
 
-  LocoSummary({
-    required this.locoType,
+  Loco({
+    required this.id,
+    required this.type,
+    required this.number,
+    required this.name,
     required this.locoClass,
-    required this.locoNumber,
-    required this.locoName,
-    required this.locoOperator,
-    this.locoNotes,
-    this.locoEvn,
-    required this.locoId,
-    this.locoMileage,
-    this.locoJourneys,
+    required this.operator,
+    this.notes,
+    this.evn,
   });
 
-  factory LocoSummary.fromJson(Map<String, dynamic> json) => LocoSummary(
-    locoType: json['loco_type'],
+  factory Loco.fromJson(Map<String, dynamic> json) => Loco(
+    id: json['loco_id'],
+    type: json['loco_type'],
+    number: json['loco_number'],
+    name: json['loco_name'] ?? "",
     locoClass: json['loco_class'],
+    operator: json['loco_operator'],
+    notes: json['loco_notes'],
+    evn: json['loco_evn'],
+  );
+}
+
+class LocoSummary extends Loco {
+  final double? mileage;
+  final int? journeys;
+
+  LocoSummary({
+    required int locoId,
+    required String locoType,
+    required String locoNumber,
+    required String locoName,
+    required String locoClass,
+    required String locoOperator,
+    String? locoNotes,
+    String? locoEvn,
+    this.mileage,
+    this.journeys,
+  }) : super(
+         id: locoId,
+         type: locoType,
+         number: locoNumber,
+         name: locoName,
+         locoClass: locoClass,
+         operator: locoOperator,
+         notes: locoNotes,
+         evn: locoEvn,
+       );
+
+  factory LocoSummary.fromJson(Map<String, dynamic> json) => LocoSummary(
+    locoId: json['loco_id'],
+    locoType: json['loco_type'],
     locoNumber: json['loco_number'],
     locoName: json['loco_name'] ?? "",
+    locoClass: json['loco_class'],
     locoOperator: json['loco_operator'],
     locoNotes: json['loco_notes'],
     locoEvn: json['loco_evn'],
-    locoId: json['loco_id'],
-    locoMileage: (json['loco_mileage'] as num).toDouble(),
-    locoJourneys: json['loco_journeys'],
+    mileage: (json['loco_mileage'] as num?)?.toDouble(),
+    journeys: json['loco_journeys'],
   );
 }
 
@@ -153,34 +187,6 @@ class TripSummary {
   );
 }
 
-class Loco {
-  final int id;
-  final String type, number, name, locoClass, operator;
-  final String? notes, evn;
-
-  Loco({
-    required this.id,
-    required this.type,
-    required this.number,
-    required this.name,
-    required this.locoClass,
-    required this.operator,
-    this.notes,
-    this.evn,
-  });
-
-  factory Loco.fromJson(Map<String, dynamic> json) => Loco(
-    id: json['loco_id'],
-    type: json['loco_type'],
-    number: json['loco_number'],
-    name: json['loco_name'] ?? "",
-    locoClass: json['loco_class'],
-    operator: json['loco_operator'],
-    notes: json['loco_notes'],
-    evn: json['loco_evn'],
-  );
-}
-
 class Leg {
   final int id, tripId, timezone, driving;
   final String start, end, route, network, notes, headcode, user;
@@ -224,3 +230,58 @@ class Leg {
         .toList(),
   );
 }
+
+class RouteError {
+  final String error;
+  final String msg;
+
+  RouteError({required this.error, required this.msg});
+
+  factory RouteError.fromJson(Map<String, dynamic> json) {
+    return RouteError(error: json["error"], msg: json["msg"]);
+  }
+}
+
+class RouteResult {
+  final List<String> inputRoute;
+  final List<String> calculatedRoute;
+  final List<double> costs;
+  final double distance;
+
+  RouteResult({
+    required this.inputRoute,
+    required this.calculatedRoute,
+    required this.costs,
+    required this.distance,
+  });
+
+  factory RouteResult.fromJson(Map<String, dynamic> json) {
+    return RouteResult(
+      inputRoute: List<String>.from(json['input_route']),
+      calculatedRoute: List<String>.from(json['calculated_route']),
+      costs: (json['costs'] as List).map((e) => (e as num).toDouble()).toList(),
+      distance: (json['distance'] as num).toDouble(),
+    );
+  }
+}
+
+class Station {
+  final int id;
+  final String name;
+  final String network;
+  final String country;
+
+  Station({
+    required this.id,
+    required this.name,
+    required this.network,
+    required this.country,
+  });
+
+  factory Station.fromJson(Map<String, dynamic> json) => Station(
+    id: json['id'],
+    name: json['name'],
+    network: json['network'],
+    country: json['country'],
+  );
+}