add support for network calculation from the calculator

test/helpers/fake_services.dart

@@ -1,4 +1,3 @@
-import 'package:flutter/foundation.dart';
 import 'package:mileograph_flutter/objects/objects.dart';
 import 'package:mileograph_flutter/services/api_service.dart';
 import 'package:mileograph_flutter/services/authservice.dart';
@@ -8,14 +7,18 @@ import 'package:mileograph_flutter/services/distance_unit_service.dart';
 import 'test_data.dart';
 
 class FakeApiService extends ApiService {
-  FakeApiService({String baseUrl = 'https://example.com'})
-      : super(baseUrl: baseUrl);
+  FakeApiService({super.baseUrl = 'https://example.com'});
 
   final Map<String, dynamic> getResponses = {};
   final Map<String, dynamic> postResponses = {};
 
   @override
-  Future<dynamic> get(String endpoint, {Map<String, String>? headers}) async {
+  Future<dynamic> get(
+    String endpoint, {
+    Map<String, String>? headers,
+    bool includeAuth = true,
+    bool allowRetry = true,
+  }) async {
     return getResponses[endpoint];
   }
 
@@ -24,6 +27,8 @@ class FakeApiService extends ApiService {
     String endpoint,
     dynamic data, {
     Map<String, String>? headers,
+    bool includeAuth = true,
+    bool allowRetry = true,
   }) async {
     return postResponses[endpoint] ?? {};
   }
@@ -170,20 +175,16 @@ class FakeDataService extends DataService {
   @override
   Future<void> fetchOnThisDay({DateTime? date}) async {}
 
-  @override
   Future<void> fetchTripDetails() async {}
 
-  @override
   Future<void> fetchHadTraction({int offset = 0, int limit = 100}) async {}
 
-  @override
   Future<void> fetchLatestLocoChanges({
     int limit = 100,
     int offset = 0,
     bool append = false,
   }) async {}
 
-  @override
   Future<void> fetchClassClearanceProgress({
     int offset = 0,
     int limit = 20,
@@ -204,12 +205,10 @@ class FakeDataService extends DataService {
     List<String> networkFilter = const [],
   }) async {}
 
-  @override
   Future<List<TripLocoStat>> fetchTripLocoStats(int tripId) async {
     return const [];
   }
 
-  @override
   Future<void> fetchTraction({
     bool hadOnly = false,
     int offset = 0,
@@ -221,7 +220,6 @@ class FakeDataService extends DataService {
     Map<String, dynamic>? filters,
   }) async {}
 
-  @override
   Future<List<String>> fetchClassList({bool force = false}) async {
     return locoClassesValue;
   }
@@ -235,12 +233,10 @@ class FakeDataService extends DataService {
   @override
   Future<void> fetchStationNetworks() async {}
 
-  @override
   Future<Map<String, dynamic>?> fetchClassStats(String locoClass) async {
     return TestData.classStats;
   }
 
-  @override
   Future<List<LeaderboardEntry>> fetchClassLeaderboard(
     String locoClass, {
     bool friends = false,