some preference improvements

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');
+  }
+}