Implement login and save token

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

@@ -1,4 +1,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.INTERNET"/>
+
     <application
         android:label="mobile"
         android:name="${applicationName}"

Mobile/lib/api.dart

@@ -0,0 +1,53 @@
+import 'package:flutter/material.dart';
+import 'package:http/http.dart' as http;
+import 'dart:convert';
+
+enum ApiService {
+  auth,
+  app,
+}
+
+Future<String?> request(BuildContext context, ApiService service, String method, String path, Object? body) async {
+  final messenger = ScaffoldMessenger.of(context);
+
+  final host = switch (service) {
+    ApiService.auth => const String.fromEnvironment('AUTH_SERVICE_HOST'),
+    ApiService.app => const String.fromEnvironment('APP_SERVICE_HOST'),
+  };
+
+  final http.Response response;
+
+  try {
+    if (method == 'GET') {
+      response = await http.get(Uri.parse(host + path));
+    } else {
+      final function = switch (method) {
+        'POST' => http.post,
+        'PUT' => http.put,
+        'DELETE' => http.delete,
+        _ => throw const FormatException('Invalid method'),
+      };
+
+      response = await function(
+        Uri.parse(host + path),
+        headers: {'Content-Type': 'application/json'},
+        body: body != null ? jsonEncode(body) : null,
+      );
+    }
+  } catch (_) {
+    messenger.showSnackBar(const SnackBar(content: Text('Unable to connect to server')));
+    return null;
+  }
+
+  if (response.statusCode < 200 || response.statusCode >= 300) {
+    try {
+      final json = jsonDecode(response.body);
+      messenger.showSnackBar(SnackBar(content: Text(json['message'])));
+    } catch (_) {
+      messenger.showSnackBar(SnackBar(content: Text('Something went wrong (HTTP ${response.statusCode})')));
+    }
+    return null;
+  }
+
+  return response.body;
+}

Mobile/lib/login.dart

@@ -1,5 +1,9 @@
+import 'dart:convert';
 import 'package:flutter/material.dart';
+import 'package:http/http.dart' as http;
+import 'package:shared_preferences/shared_preferences.dart';
 import 'register.dart';
+import 'api.dart' as api;
 
 class LoginPage extends StatefulWidget {
   const LoginPage({super.key, required this.title});
@@ -11,6 +15,26 @@ class LoginPage extends StatefulWidget {
 }
 
 class _LoginPageState extends State<LoginPage> {
+  final emailInput = TextEditingController();
+  final passwordInput = TextEditingController();
+
+  Future<void> _login() async {
+    final token = await api.request(context, api.ApiService.auth, 'POST', '/api/Users/login', {
+      'email': emailInput.text,
+      'password': passwordInput.text,
+    });
+
+    if (token == null) return;
+
+    final prefs = await SharedPreferences.getInstance();
+    prefs.setString('token', token);
+
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('Successfully logged in')));
+      Navigator.pop(context);
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -25,16 +49,16 @@ class _LoginPageState extends State<LoginPage> {
             children: [
               const SizedBox(height: 80),
               const Text('Email'),
-              const TextField(),
+              TextField(controller: emailInput),
               const SizedBox(height: 30),
               const Text('Password'),
-              const TextField(obscureText: true, enableSuggestions: false, autocorrect: false),
+              TextField(controller: passwordInput, obscureText: true, enableSuggestions: false, autocorrect: false),
               const SizedBox(height: 30),
-              ElevatedButton(child: const Text('Log ind'), onPressed: () => Navigator.pop(context)),
+              ElevatedButton(onPressed: _login, child: const Text('Log ind')),
               const SizedBox(height: 10),
               TextButton(
                 child: const Text('Registrer konto'),
-                onPressed: () => Navigator.push(context, MaterialPageRoute(builder: (context) => const RegisterPage(title: 'Registrer'))),
+                onPressed: () => Navigator.pushReplacement(context, MaterialPageRoute(builder: (context) => const RegisterPage(title: 'Registrer'))),
               )
             ]
           )
@@ -42,4 +66,11 @@ class _LoginPageState extends State<LoginPage> {
       )
     );
   }
+
+  @override
+  void dispose() {
+    emailInput.dispose();
+    passwordInput.dispose();
+    super.dispose();
+  }
 }

Mobile/lib/register.dart

@@ -37,7 +37,7 @@ class _RegisterPageState extends State<RegisterPage> {
               const SizedBox(height: 10),
               TextButton(
                 child: const Text('Log ind'),
-                onPressed: () => Navigator.push(context, MaterialPageRoute(builder: (context) => const LoginPage(title: 'Log ind')))
+                onPressed: () => Navigator.pushReplacement(context, MaterialPageRoute(builder: (context) => const LoginPage(title: 'Log ind')))
               ),
             ]
           )

Mobile/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"))
 }

Mobile/macos/Runner/DebugProfile.entitlements

@@ -8,5 +8,7 @@
 	<true/>
 	<key>com.apple.security.network.server</key>
 	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
 </dict>
 </plist>

Mobile/macos/Runner/Release.entitlements

@@ -4,5 +4,7 @@
 <dict>
 	<key>com.apple.security.app-sandbox</key>
 	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
 </dict>
 </plist>

Mobile/pubspec.lock

@@ -65,6 +65,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "16ed7b077ef01ad6170a3d0c57caa4a112a38d7a2ed5602e0aca9ca6f3d98da6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: "5fc22d7c25582e38ad9a8515372cd9a93834027aacf1801cf01164dac0ffa08c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -91,6 +107,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   http:
     dependency: "direct main"
     description:
@@ -211,6 +232,46 @@ 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: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "9b71283fc13df574056616011fb138fd3b793ea47cc509c189a6c3fa5f8a1a65"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.5"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
   polylabel:
     dependency: transitive
     description:
@@ -227,6 +288,62 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      sha256: "746e5369a43170c25816cc472ee016d3a66bc13fcf430c0bc41ad7b4b2922051"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      sha256: a7e8467e9181cef109f601e3f65765685786c1a738a83d7fbbde377589c0d974
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
+  shared_preferences_foundation:
+    dependency: transitive
+    description:
+      name: shared_preferences_foundation
+      sha256: c4b35f6cb8f63c147312c054ce7c2254c8066745125264f0c88739c417fc9d9f
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.2"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      sha256: "580abfd40f415611503cae30adf626e6656dfb2f0cee8f465ece7b6defb40f2f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      sha256: "57cbf196c486bc2cf1f02b85784932c6094376284b3ad5779d1b1c6c6a816b80"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      sha256: d2ca4132d3946fec2184261726b355836a82c33d7d5b67af32692aff18a4684e
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      sha256: "94ef0f72b2d71bc3e700e025db3710911bd51a71cefb65cc609dd0d9a982e3c1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -328,6 +445,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.0"
+  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: ">=3.18.0-18.0.pre.54"
+  flutter: ">=3.22.0"

Mobile/pubspec.yaml

@@ -37,6 +37,7 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.6
+  shared_preferences: ^2.3.2
 
 dev_dependencies:
   flutter_test: