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2025-11-06 09:57:32 +01:00
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import 'package:get/get.dart';
import '../pages/login/login_view.dart';
import '../services/appwrite_service.dart';
class HomeController extends GetxController {
final szHeaderHome = 'Home Page'.obs;
late AppWriteProvider appwriteProvider;
@override
void onInit() {
appwriteProvider = AppWriteProvider();
super.onInit();
}
@override
void onReady() {}
@override
void onClose() {}
void goToLoginPage() async {
if (await appwriteProvider.logout()) {
Get.snackbar(
'Logout Successful',
'You have been logged out successfully.',
snackPosition: SnackPosition.BOTTOM,
);
await Get.offAllNamed(LoginPage.namedRoute);
}
}
}

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import 'package:appwrite/models.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import '../pages/home/home_view.dart';
import '../services/appwrite_service.dart';
class LoginController extends GetxController {
final szHeaderLogin = 'Login Page'.obs;
final szHeaderSignin = 'Signin Page'.obs;
final loginFormKey = GlobalKey<FormState>();
final isLoginScreen = true.obs;
late TextEditingController emailController;
late TextEditingController passwordController;
late TextEditingController nameController;
late AppWriteProvider appWriteProvider;
Session? _session;
User? _signedUser;
@override
void onInit() {
super.onInit();
appWriteProvider = AppWriteProvider();
emailController = TextEditingController();
passwordController = TextEditingController();
nameController = TextEditingController();
}
@override
void onReady() {}
@override
void onClose() {
emailController.dispose();
passwordController.dispose();
nameController.dispose();
}
switchScreen() {
_clearFields();
isLoginScreen.value = !isLoginScreen.value;
update();
}
void _clearFields() {
emailController.clear();
passwordController.clear();
nameController.clear();
}
void logOrSignIn() async {
_checkInputValueOfFormFields();
loginFormKey.currentState?.save();
if (isLoginScreen.value) {
// Perform login action
String email = emailController.text;
String password = passwordController.text;
// Add your login logic here
print('Logging in with Email: $email, Password: $password');
_session = await appWriteProvider.login({
'email': email,
'password': password,
});
if (_session!.current) {
Get.snackbar(
'Login Successful',
'You have been logged in successfully.',
snackPosition: SnackPosition.BOTTOM,
);
// Navigate to home or another page if needed
_goToHomePage();
} else {
Get.snackbar(
'Login Failed',
'Invalid email or password.',
snackPosition: SnackPosition.BOTTOM,
);
}
} else {
// Perform signin action
String name = nameController.text;
String email = emailController.text;
String password = passwordController.text;
// Add your signin logic here
print('Signing in with Name: $name, Email: $email, Password: $password');
_signedUser = await appWriteProvider.signup({
'email': email,
'password': password,
'name': name,
});
if (_signedUser != null) {
Get.snackbar(
'Signin Successful',
'Your account has been created successfully.',
snackPosition: SnackPosition.BOTTOM,
);
} else {
Get.snackbar(
'Signin Failed',
'An error occurred during account creation.',
snackPosition: SnackPosition.BOTTOM,
);
}
}
_clearFields();
}
bool _checkInputValueOfFormFields() {
bool isValid = true;
if (!isLoginScreen.value) {
if (nameController.text == '') {
isValid = false;
}
}
if (emailController.text == '') {
isValid = false;
}
if (passwordController.text.isEmpty) {
isValid = false;
}
if (isValid == false) {
Get.snackbar(
'Invalid Input',
'Please fill in all required(*) fields.',
snackPosition: SnackPosition.BOTTOM,
);
}
return isValid;
}
Future<bool> logout() async {
bool isLoggedOut = false;
isLoggedOut = await appWriteProvider.logout();
if (isLoggedOut) {
Get.snackbar(
'Logout Successful',
'You have been logged out successfully.',
snackPosition: SnackPosition.BOTTOM,
);
} else {
Get.snackbar(
'Logout Failed',
'An error occurred during logout.',
snackPosition: SnackPosition.BOTTOM,
);
}
return isLoggedOut;
}
void _goToHomePage() async {
await Get.offAllNamed(HomePage.namedRoute);
}
}

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import 'package:get/get.dart';
import '../controllers/home_controller.dart';
import '../controllers/login_controller.dart';
class SampleBindings extends Bindings {
@override
void dependencies() {
// Define your dependencies here no permanent Binding
Get.lazyPut<LoginController>(() => LoginController());
Get.lazyPut<HomeController>(() => HomeController());
}
}

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import 'package:get/get.dart';
import '../pages/home/home_view.dart';
import '../pages/login/login_view.dart';
import './sample_bindings.dart';
class SampleRouts {
static final sampleBindings = SampleBindings();
static List<GetPage<dynamic>> samplePages = [
GetPage(
name: LoginPage.namedRoute,
page: () => const LoginPage(),
binding: sampleBindings,
),
GetPage(
name: HomePage.namedRoute,
page: () => const HomePage(),
binding: sampleBindings,
),
];
}

30
lib/main.dart Normal file
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import 'package:flutter/material.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:get/get.dart';
import 'helpers/sample_bindings.dart';
import './helpers/sample_routes.dart';
import './pages/login/login_view.dart';
void main() async {
await dotenv.load(fileName: ".env");
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return GetMaterialApp(
debugShowCheckedModeBanner: false,
title: 'Flutter Demo',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
),
initialBinding: SampleBindings(),
initialRoute: LoginPage.namedRoute,
getPages: SampleRouts.samplePages,
);
}
}

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import 'package:flutter/material.dart';
import 'package:get/get.dart';
import '../../controllers/home_controller.dart';
class HomePage extends GetView<HomeController> {
static const String namedRoute = '/home';
const HomePage({super.key});
@override
Widget build(BuildContext context) {
var homeCtrl = controller;
return PopScope(
canPop: false,
child: SafeArea(
child: Scaffold(
appBar: AppBar(
backgroundColor: Colors.grey.shade500,
leading: IconButton(
icon: Icon(Icons.arrow_back, color: Colors.grey.shade200),
onPressed: () {
// Verhindert das Zurücknavigieren
homeCtrl.goToLoginPage();
},
),
title: Text(
homeCtrl.szHeaderHome.value,
style: TextStyle(color: Colors.grey.shade200),
),
centerTitle: true,
),
body: Container(
decoration: BoxDecoration(color: Colors.grey.shade400),
padding: EdgeInsets.all(20),
child: Center(
child: Text(
'You are on the Home Page...\nPress the back arrow to logout.\nThis is a Template to use...',
style: TextStyle(
color: Colors.grey.shade800,
fontSize: 24,
fontWeight: FontWeight.bold,
),
),
),
),
),
),
);
}
}

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import 'package:flutter/material.dart';
import 'package:get/get.dart';
import '../../controllers/login_controller.dart';
class LoginPage extends GetView<LoginController> {
static const String namedRoute = '/login';
const LoginPage({super.key});
@override
Widget build(BuildContext context) {
var loginCtrl = controller;
// LayoutBuilder ermöglicht dynamische Anpassung an verschiedene Bildschirmgrößen.
return SafeArea(
child: Scaffold(
body: LayoutBuilder(
builder: (context, constraints) {
final bool isSmall = constraints.maxWidth < 600;
final double cardWidth = isSmall
? constraints.maxWidth * 0.92
: (constraints.maxWidth * 0.6).clamp(0, 900);
return Stack(
children: [
// Hintergrundbild skaliert responsiv mit BoxFit.cover
Positioned.fill(
child: Image.asset(
'img/backgroundLogoInternorm.jpg',
fit: BoxFit.cover,
alignment: Alignment.center,
),
),
// halbtransparente Ebene; Opazität an Bildschirmgröße anpassen
Positioned.fill(
child: Container(
color: Colors.black.withAlpha(isSmall ? 50 : 100),
),
),
Center(
child: PopScope(
canPop: false,
child: SingleChildScrollView(
child: AnimatedContainer(
duration: const Duration(milliseconds: 250),
width: cardWidth,
padding: const EdgeInsets.all(40.0),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(10),
color: const Color.fromARGB(223, 189, 189, 189),
),
child: Column(
children: [
Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
color: Colors.white.withAlpha(200),
borderRadius: BorderRadius.circular(100),
),
child: Obx(
() => loginCtrl.isLoginScreen.value
? IconButton(
onPressed: () => loginCtrl.logout(),
icon: const Icon(Icons.login, size: 80),
color: const Color.fromARGB(
255,
255,
0,
0,
),
)
: IconButton(
onPressed: () => loginCtrl.logout(),
icon: const Icon(
Icons.app_registration,
size: 80,
),
color: const Color.fromARGB(
255,
255,
0,
0,
),
),
),
),
const SizedBox(height: 80),
Obx(
() => loginCtrl.isLoginScreen.value
? Text(
loginCtrl.szHeaderLogin.value,
style: Theme.of(
context,
).textTheme.headlineMedium,
)
: Text(
loginCtrl.szHeaderSignin.value,
style: Theme.of(
context,
).textTheme.headlineMedium,
),
),
const SizedBox(height: 40),
Form(
key: loginCtrl.loginFormKey,
child: Column(
children: [
Obx(
() => loginCtrl.isLoginScreen.value
? const SizedBox.shrink()
: _nameFormField(loginCtrl),
),
const SizedBox(height: 20),
_emailFormField(loginCtrl),
const SizedBox(height: 20),
_passwdFormField(loginCtrl),
const SizedBox(height: 40),
_logOrSignInButton(loginCtrl),
],
),
),
const SizedBox(height: 10),
Obx(
() => loginCtrl.isLoginScreen.value
? TextButton(
child: Text(
'To Signin',
style: TextStyle(
color: Colors.blue.shade800,
),
),
onPressed: () {
loginCtrl.switchScreen();
},
)
: TextButton(
child: Text(
'To Login',
style: TextStyle(
color: Colors.blue.shade800,
),
),
onPressed: () {
loginCtrl.switchScreen();
},
),
),
],
),
),
),
),
),
],
);
},
),
),
);
}
// Email Form Field
TextFormField _emailFormField(LoginController loginCtrl) {
return TextFormField(
keyboardType: TextInputType.emailAddress,
controller: loginCtrl.emailController,
decoration: _formFieldDecoration('Email*'),
);
}
// Password Form Field
TextFormField _passwdFormField(LoginController loginCtrl) {
return TextFormField(
keyboardType: TextInputType.visiblePassword,
controller: loginCtrl.passwordController,
decoration: _formFieldDecoration('Password*'),
obscureText: true,
);
}
// Name Form Field
TextFormField _nameFormField(LoginController loginCtrl) {
return TextFormField(
keyboardType: TextInputType.name,
controller: loginCtrl.nameController,
decoration: _formFieldDecoration('Name*'),
);
}
//Form Field Decoration
InputDecoration _formFieldDecoration(String labelText) {
return InputDecoration(
labelText: labelText,
enabledBorder: OutlineInputBorder(
borderSide: BorderSide(color: const Color.fromARGB(255, 255, 0, 0)),
borderRadius: BorderRadius.circular(5.0),
),
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(color: const Color.fromARGB(255, 255, 0, 0)),
borderRadius: BorderRadius.circular(5.0),
),
);
}
ElevatedButton _logOrSignInButton(LoginController loginCtrl) {
return ElevatedButton(
style: ElevatedButton.styleFrom(
backgroundColor: const Color.fromARGB(255, 255, 0, 0),
minimumSize: const Size(double.infinity, 50),
),
onPressed: () {
// Handle login or signin action
loginCtrl.logOrSignIn();
},
child: Obx(
() => loginCtrl.isLoginScreen.value
? const Text(
'Login',
style: TextStyle(
color: Colors.white,
fontSize: 20,
fontWeight: FontWeight.bold,
),
)
: const Text(
'Signin',
style: TextStyle(
color: Colors.white,
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
),
);
}
}

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import 'package:appwrite/appwrite.dart';
import 'package:appwrite/models.dart' as models;
import 'package:flutter_dotenv/flutter_dotenv.dart';
class AppWriteProvider {
final szEndpoint = dotenv.env['APPWRITE_ENDPOINT_URL'] ?? '';
final szProjectID = dotenv.env['APPWRITE_PROJECT_ID'] ?? '';
final szDatabaseID = dotenv.env['APPWRITE_DATABASE_ID'] ?? '';
final szCollectionID = dotenv.env['APPWRITE_COLLECTION_ID'] ?? '';
final bSelfSignd = dotenv.env['APPWRITE_SELF_SIGNED'] == 'true';
Client client = Client();
Account? account;
Storage? storage;
Databases? database;
AppWriteProvider() {
client
..setEndpoint(szEndpoint) // Set your Appwrite endpoint
..setProject(szProjectID)
..setSelfSigned(status: bSelfSignd);
account = Account(client); // Set your Appwrite project ID
storage = Storage(client);
database = Databases(client);
}
Future<models.Session> login(Map map) async {
final response = await account!.createEmailPasswordSession(
email: map['email'],
password: map['password'],
);
return response;
}
Future<models.User> signup(Map map) async {
final response = await account!.create(
userId: ID.unique(),
email: map['email'],
password: map['password'],
name: map['name'],
);
return response;
}
Future<bool> logout() async {
try {
await account!.deleteSession(sessionId: 'current');
return true;
} catch (e) {
print('Fehler beim Ausloggen: $e');
return false;
}
}
// // Tank Stop Image Upload
// Future<models.File> uploadTankStopImage(String imagePath) async {
// String fileName =
// '${DateTime.now().millisecondsSinceEpoch}_${imagePath.split('.').last}';
// final response = await storage!.createFile(
// bucketId: kAppWriteBucket,
// fileId: ID.unique(),
// file: InputFile.fromPath(path: fileName, filename: fileName),
// );
// return response;
// }
// // Tank Stop Image get by fileID
// Future<models.File> getTankStopImage(String fileID) async {
// final response = await storage!.getFile(
// bucketId: kAppWriteBucket,
// fileId: fileID,
// );
// return response;
// }
// // Tank Stop Image delete by fileID
// Future<dynamic> deleteTankStopImage(String fileID) async {
// final response = await storage!.deleteFile(
// bucketId: kAppWriteBucket,
// fileId: fileID,
// );
// return response;
// }
// Tank Stop CRUD operations
// Create, Update, Get, List Tank Stops
// Future<models.Document> createTankStop(Map map) async {
// final response = await database!.createDocument(
// databaseId: kAppWriteDatabaseID,
// collectionId: kAppWriteCollectionID,
// documentId: ID.unique(),
// data: map,
// );
// return response;
// }
// Future<models.Document> updateTankStop(String documentId, Map map) async {
// final response = await database!.updateDocument(
// databaseId: kAppWriteDatabaseID,
// collectionId: kAppWriteCollectionID,
// documentId: documentId,
// data: map,
// );
// return response;
// }
// Future<models.Document> getTankStopById(String documentId) async {
// final response = await database!.getDocument(
// databaseId: kAppWriteDatabaseID,
// collectionId: kAppWriteCollectionID,
// documentId: documentId,
// );
// return response;
// }
// Future<models.DocumentList> listTankStops(String userId) async {
// final response = await database!.listDocuments(
// databaseId: kAppWriteDatabaseID,
// collectionId: kAppWriteCollectionID,
// queries: [Query.equal('userId', userId)],
// );
// return response;
// }
// Future<models.Document> deleteTankStop(String documentId) async {
// final response = await database!.deleteDocument(
// databaseId: kAppWriteDatabaseID,
// collectionId: kAppWriteCollectionID,
// documentId: documentId,
// );
// return response;
// }
// Future<models.Document> createTrackPoint(map) async {
// final response = await database!.createDocument(
// databaseId: kAppWriteDatabaseID,
// collectionId: kAppWriteTrackPointsCollectionID,
// documentId: ID.unique(),
// data: map,
// );
// return response;
// }
// Future<models.Document> saveFullTrack(map) async {
// final response = await database!.createDocument(
// databaseId: kAppWriteDatabaseID,
// collectionId: kAppWriteTracksCollectionId,
// documentId: ID.unique(),
// data: map,
// );
// return response;
// }
}