some preference improvements

frontend/android/app/src/main/AndroidManifest.xml

@@ -48,4 +48,7 @@
             <data android:mimeType="text/plain"/>
         </intent>
     </queries>
+
+    <!-- Required to fetch data from the internet. -->
+    <uses-permission android:name="android.permission.INTERNET" />
 </manifest>

frontend/lib/layout.dart

@@ -4,9 +4,10 @@ import 'package:fast_network_navigation/modules/overview.dart';
 import 'package:fast_network_navigation/modules/profile.dart';
 
 
+// BasePage is the scaffold that holds all other pages
+// A side drawer is used to switch between pages
 class BasePage extends StatefulWidget {
   const BasePage({super.key, required this.title});
-
   final String title;
 
   @override
@@ -22,7 +23,7 @@ class _BasePageState extends State<BasePage> {
     });
   }
 
-  Widget currentView = MainPage();
+  Widget currentView = NavigationOverview();
   @override
   Widget build(BuildContext context) {
     final ThemeData theme = Theme.of(context);
@@ -51,7 +52,7 @@ class _BasePageState extends State<BasePage> {
                 // Update the state of the app
                 _onItemTapped(0);
                 // Then close the drawer
-                currentView = MainPage();
+                currentView = NavigationOverview();
                 Navigator.pop(context);
               },
             ),
@@ -87,3 +88,4 @@ class _BasePageState extends State<BasePage> {
     );
   }
 }
+

frontend/lib/main.dart

@@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:fast_network_navigation/modules/scaffold.dart';
+import 'package:fast_network_navigation/layout.dart';
 
 void main() => runApp(const App());
 

frontend/lib/modules/overview.dart

@@ -9,9 +9,9 @@ import 'package:fast_network_navigation/modules/map.dart';
 
 
 
-class MainPage extends StatefulWidget {
+class NavigationOverview extends StatefulWidget {
   @override
-  State<MainPage> createState() => _MainPageState();
+  State<NavigationOverview> createState() => _NavigationOverviewState();
 }
 
 
@@ -35,7 +35,7 @@ class Debounce {
 }
 
 
-class _MainPageState extends State<MainPage> {
+class _NavigationOverviewState extends State<NavigationOverview> {
 
   @override
   Widget build(BuildContext context) {

frontend/lib/modules/profile.dart

@@ -1,3 +1,4 @@
+import 'package:fast_network_navigation/structs/preferences.dart';
 import 'package:flutter/material.dart';
 
 
@@ -8,48 +9,83 @@ class ProfilePage extends StatefulWidget {
 }
 
 class _ProfilePageState extends State<ProfilePage> {
-  
-  double value = 0.0;
-  void onChanged(double newValue) {
-    setState(() {
-      value = newValue;
-    });
-  }
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(
-        title: Text('Profile'),
-      ),
-      body: Padding(
-        padding: EdgeInsets.all(8.0),
-        child: Column(
-          children: <Widget>[
-            Card(
-              child: ListTile(
-                leading: Icon(Icons.notifications_sharp),
-                title: Text('Notification 1'),
-                subtitle: Text('This is a first notification'),
-              ),
-            ),
-            Card(
-              child: ListTile(
-                leading: Icon(Icons.notifications_sharp),
-                title: Text('Notification 2'),
-                subtitle: Text('This is a notification'),
-              ),
-            ),
-            Card(
-              child: ListTile(
-                leading: Icon(Icons.outdoor_grill),
-                title: Text("Eating preference"),
-                subtitle: Slider.adaptive(value: value, onChanged: onChanged, min: 0, max: 5, divisions: 5, label: value.toInt().toString(),)
-                
-              )
-            )
-          ],
+    return ListView(
+      children: [
+        // First a round, centered image
+        Center(
+          child: CircleAvatar(
+            radius: 100,
+            child: Icon(Icons.person, size: 100),
+          )
         ),
-      )
+        Center(
+          child: Text('Curious traveler', style: TextStyle(fontSize: 24))
+        ),
+
+        Padding(
+          padding: EdgeInsets.all(10),
+        ),
+
+        Text('Please rate your preferences for the following activities:'),
+
+        // Now the sliders
+        ImportanceSliders()
+      ]
     );
   }
 }
+
+
+
+class ImportanceSliders extends StatefulWidget {
+
+  @override
+  State<ImportanceSliders> createState() => _ImportanceSlidersState();
+}
+
+
+class _ImportanceSlidersState extends State<ImportanceSliders> {
+
+  UserPreferences _prefs = UserPreferences();
+
+  @override
+  void initState() {
+    super.initState();
+    _prefs.load();
+  }
+
+  List<Card> _createSliders() {
+    List<Card> sliders = [];
+    for (SinglePreference pref in _prefs.preferences) {
+      sliders.add(Card(
+        child: ListTile(
+          leading: pref.icon,
+          title: Text(pref.name),
+          subtitle: Slider(
+            value: pref.value.toDouble(),
+            min: 0,
+            max: 10,
+            divisions: 10,
+            label: pref.value.toString(),
+            onChanged: (double newValue) {
+              setState(() {
+                pref.value = newValue.toInt();
+                _prefs.save();
+              });
+            },
+          )
+        ),
+        margin: EdgeInsets.only(left: 10, right: 10, top: 10, bottom: 0),
+        shadowColor: Colors.grey,
+      ));
+    }
+    return sliders;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(children: _createSliders());
+  }
+}

frontend/lib/structs/destination.dart

@@ -1,31 +1,62 @@
+import "package:flutter/material.dart";
 
 class Destination {
   final double latitude;
   final double longitude;
   final String name;
   final String description;
-  final DestinationType type;
+  // final DestinationType type;
   final Duration duration;
   final bool visited;
 
-  Destination({
+  const Destination({
     required this.latitude,
     required this.longitude,
     required this.name,
     required this.description,
-    required this.type,
+    // required this.type,
     required this.duration,
     required this.visited,
   });
+
+  factory Destination.fromJson(Map<String, dynamic> json) {
+  return switch (json) {
+    {
+      'lat': double latitude,
+      'lon': double longitude,
+      'name': String name,
+      'description': String description,
+      // 'type': String type,
+      'duration': int duration,
+      'visited': bool visited
+
+    } =>
+      Destination(
+        latitude: latitude,
+        longitude: longitude,
+        name: name,
+        description: description,
+        // type: "DestinationType.values.firstWhere((element) => element.name == type)",
+        duration: Duration(minutes: duration),
+        visited: visited
+      ),
+    _ => throw const FormatException('Failed to load destination.'),
+  };
+}
+
 }
 
 
 class DestinationType {
   final String name;
   final String description;
+  final Icon icon;
   
-  DestinationType({
+  const DestinationType({
     required this.name,
     required this.description,
+    required this.icon,
   });
 }
+
+

frontend/lib/structs/preferences.dart

@@ -0,0 +1,82 @@
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+
+class SinglePreference {
+  String name;
+  String description;
+  int value;
+  Icon icon;
+  String key;
+
+  SinglePreference({
+    required this.name,
+    required this.description,
+    required this.value,
+    required this.icon,
+    required this.key,
+  });
+}
+
+
+class UserPreferences {
+  List<SinglePreference> preferences = [
+    SinglePreference(
+      name: "Sightseeing",
+      description: "How much do you like sightseeing?",
+      value: 0,
+      icon: Icon(Icons.church),
+      key: "sightseeing",
+    ),
+    SinglePreference(
+      name: "Shopping",
+      description: "How much do you like shopping?",
+      value: 0,
+      icon: Icon(Icons.shopping_bag),
+      key: "shopping",
+    ),
+    SinglePreference(
+      name: "Foods & Drinks",
+      description: "How much do you like eating?",
+      value: 0,
+      icon: Icon(Icons.restaurant),
+      key: "eating",
+    ),
+    SinglePreference(
+      name: "Nightlife",
+      description: "How much do you like nightlife?",
+      value: 0,
+      icon: Icon(Icons.wine_bar),
+      key: "nightlife",
+    ),
+    SinglePreference(
+      name: "Nature",
+      description: "How much do you like nature?",
+      value: 0,
+      icon: Icon(Icons.landscape),
+      key: "nature",
+    ),
+    SinglePreference(
+      name: "Culture",
+      description: "How much do you like culture?",
+      value: 0,
+      icon: Icon(Icons.palette),
+      key: "culture",
+    ),
+  ];
+
+
+  void save() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    for (SinglePreference pref in preferences) {
+      prefs.setInt(pref.key, pref.value);
+    }
+  }
+
+  void load() async {
+    SharedPreferences prefs = await SharedPreferences.getInstance();
+    for (SinglePreference pref in preferences) {
+      pref.value = prefs.getInt(pref.key) ?? 0;
+    }
+  }
+}

frontend/lib/structs/route.dart

@@ -0,0 +1,14 @@
+import "package:fast_network_navigation/structs/destination.dart";
+
+
+class Route {
+  final String name;
+  final Duration duration;
+  final List<Destination> destinations;
+  
+  Route({
+    required this.name,
+    required this.duration,
+    required this.destinations
+  });
+}

frontend/lib/utils/get_route.dart

@@ -0,0 +1,18 @@
+import "package:fast_network_navigation/structs/destination.dart";
+import 'package:http/http.dart' as http;
+import 'dart:convert';
+
+Future<Destination> fetchDestination() async {
+  final response = await http
+      .get(Uri.parse('https://nav.kluster.moll.re/v1/destination/1'));
+
+  if (response.statusCode == 200) {
+    // If the server did return a 200 OK response,
+    // then parse the JSON.
+    return Destination.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  } else {
+    // If the server did not return a 200 OK response,
+    // then throw an exception.
+    throw Exception('Failed to load destination');
+  }
+}

frontend/macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,6 +5,8 @@
 import FlutterMacOS
 import Foundation
 
+import shared_preferences_foundation
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
 }

frontend/pubspec.lock

@@ -65,6 +65,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "493f37e7df1804778ff3a53bd691d8692ddf69702cf4c1c1096a2e41b4779e21"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: "5fc22d7c25582e38ad9a8515372cd9a93834027aacf1801cf01164dac0ffa08c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -193,7 +209,7 @@ packages:
     source: hosted
     version: "0.15.4"
   http:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: http
       sha256: "761a297c042deedc1ffbb156d6e2af13886bb305c2a343a4d972504cd67dd938"
@@ -288,6 +304,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: "8bc9f22eee8690981c22aa7fc602f5c85b497a6fb2ceb35ee5a5e5ed85ad8170"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "12220bb4b65720483f8fa9450b4332347737cf8213dd2840d8b2c823e47243ec"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.4"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -304,6 +352,62 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      sha256: d3bbe5553a986e83980916ded2f0b435ef2e1893dfaa29d5a7a790d0eca12180
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.3"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      sha256: "1ee8bf911094a1b592de7ab29add6f826a7331fb854273d55918693d5364a1f2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
+  shared_preferences_foundation:
+    dependency: transitive
+    description:
+      name: shared_preferences_foundation
+      sha256: "0a8a893bf4fd1152f93fec03a415d11c27c74454d96e2318a7ac38dd18683ab7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.0"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      sha256: "9f2cbcf46d4270ea8be39fa156d86379077c8a5228d9dfdb1164ae0bb93f1faa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      sha256: "22e2ecac9419b4246d7c22bfbbda589e3acf5c0351137d87dd2939d984d37c3b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      sha256: "9aee1089b36bd2aafe06582b7d7817fd317ef05fc30e6ba14bff247d0933042a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      sha256: "841ad54f3c8381c480d0c9b508b89a34036f512482c407e6df7a9c4aa2ef8f59"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -405,6 +509,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.5.1"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: a79dbe579cb51ecd6d30b17e0cae4e0ea15e2c0e66f69ad4198f22a6789e94f4
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.5.1"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: faea9dee56b520b55a566385b84f2e8de55e7496104adada9962e0bd11bcff1d
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
 sdks:
-  dart: ">=3.3.4 <4.0.0"
+  dart: ">=3.4.0 <4.0.0"
   flutter: ">=3.19.0"

frontend/pubspec.yaml

@@ -39,6 +39,8 @@ dependencies:
   geocoding: ^3.0.0
   geocode: ^1.0.3
   google_maps_flutter: ^2.6.1
+  http: ^1.2.1
+  shared_preferences: ^2.2.3
 
 dev_dependencies:
   flutter_test:

frontend/test/widget_test.dart

@@ -9,16 +9,15 @@ import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 // import 'package:fast_network_navigation/main.dart';
-import 'package:fast_network_navigation/modules/scaffold.dart';
+import 'package:fast_network_navigation/layout.dart';
 
 void main() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {
     // Build our app and trigger a frame.
     await tester.pumpWidget(BasePage(title: "City Nav"));
 
-    // Verify that our counter starts at 0.
-    expect(find.text('0'), findsOneWidget);
-    expect(find.text('1'), findsNothing);
+    // Verfiy that the title is displayed
+    expect(find.text('City Nav'), findsOneWidget);
 
     // Tap the '+' icon and trigger a frame.
     await tester.tap(find.byIcon(Icons.add));