Retrieve Favorites from Backend, Add Favorite Model

Co-authored-by: Reimar <mail@reim.ar>

Mobile/lib/api.dart

@@ -1,3 +1,5 @@
+import 'dart:math';
+
 import 'package:flutter/material.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:http/http.dart' as http;
@@ -69,7 +71,7 @@ Future<bool> isLoggedIn(BuildContext context) async {
 
   try {
     String base64 = token.split('.')[1];
-    base64 += List.filled(4 - base64.length % 4, '=').join();
+    base64 += List.filled(base64.length % 4 == 0 ? 0 : 4 - base64.length % 4, '=').join();
 
     final payload = jsonDecode(String.fromCharCodes(base64Decode(base64)));
 

Mobile/lib/main.dart

@@ -1,3 +1,6 @@
+import 'dart:convert';
+import 'dart:developer';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart';
 import 'package:latlong2/latlong.dart';
@@ -6,6 +9,8 @@ import 'package:mobile/register.dart';
 import 'login.dart';
 import 'base/sidemenu.dart';
 import 'profile.dart';
+import 'api.dart' as api;
+import 'models.dart';
 
 void main() {
   runApp(const MyApp());
@@ -43,6 +48,27 @@ class MyHomePage extends StatefulWidget {
 
 class _MyHomePageState extends State<MyHomePage> {
   final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
+  List<Favorite> _favorites = [];
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+
+    api.isLoggedIn(context).then((isLoggedIn) async {
+      if (!isLoggedIn || !mounted) return;
+
+      final response = await api.request(context, api.ApiService.app, 'GET', '/favorites', null);
+      if (response == null) return;
+      log(response);
+
+      final List<dynamic> favorites = jsonDecode(response);
+      setState(() {
+        _favorites = favorites.map((favorite) => Favorite(favorite['id'], favorite['user_id'], favorite['lat'], favorite['lng'])).toList();
+      });
+    });
+
+  }
+
   @override
   Widget build(BuildContext context) {
     return SideMenu(

Mobile/lib/models.dart

@@ -0,0 +1,8 @@
+class Favorite {
+  int id;
+  String userId;
+  double lat;
+  double lng;
+
+  Favorite(this.id, this.userId, this.lat, this.lng);
+}

Mobile/lib/register.dart

@@ -17,10 +17,10 @@ class _RegisterPageState extends State<RegisterPage> {
 
   Future<void> _register() async {
     if (passwordInput.text != confirmPasswordInput.text) {
-      ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('Passwords do not match')));
+      ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text('Passwords do not match')));
       return;
     }
-
     final result = await api.request(context, api.ApiService.auth, 'POST', '/api/Users', {
       'username': usernameInput.text,
       'email': emailInput.text,