first commit

lib/controller/login/login_controller.dart

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+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_itis4you_with_jde_user_login_app/pages/main/main_view.dart';
+import 'package:get/get.dart';
+
+import '../../utils/constants.dart';
+
+class LoginController extends GetConnect {
+  //check diverse
+  final isLoading = true.obs;
+  final loginUserNameController = TextEditingController();
+  final loginUserPasswortController = TextEditingController();
+  var _listUsers = [];
+  final isPermitted = false.obs;
+
+  @override
+  void onInit() {
+    _getListUsers();
+    loginUserNameController.text = 'Seiringer Josef';
+    loginUserPasswortController.text = '1234';
+    super.onInit();
+  }
+
+  @override
+  void onReady() {}
+
+  @override
+  void onClose() {
+    loginUserNameController.dispose();
+    loginUserPasswortController.dispose();
+  }
+
+  Future<void> _getListUsers() async {
+    isLoading(false);
+
+    final response =
+        await rootBundle.loadString('lib/markup/login/login_markup.json');
+
+    if (response.isNotEmpty) {
+      String jsonString = response;
+      print(jsonString);
+      //clear all Caracter returns and spaces from jsonString to resultData
+      var decodeResult = json.decode(jsonString);
+      _listUsers = decodeResult['users'] as List<dynamic>;
+      isLoading(true);
+    }
+  }
+
+  void logInUser() {
+    isPermitted(false);
+    if (loginUserNameController.text == '' ||
+        loginUserPasswortController.text == '') {
+      kDisplaySnackBarRed('Es fehlen Eingaben bei den Anmelde Daten!');
+      isLoading(false);
+    } else {
+      kLoginUser = loginUserNameController.text;
+      kLoginPassword = loginUserPasswortController.text;
+      if (_listUsers.isNotEmpty) {
+        for (var mapItem in _listUsers) {
+          String user = mapItem['username'];
+          String pass = mapItem['password'];
+          if (user == kLoginUser && pass == kLoginPassword) {
+            isPermitted(true);
+          } 
+          print(mapItem);
+          Get.offAllNamed(MainPage.namedRoute);
+        }
+      }
+      print(isPermitted.value);
+    }
+  }
+}

lib/controller/main/main_controller.dart

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+
+import 'package:get/get.dart';
+import 'package:intl/date_symbol_data_local.dart';
+import 'package:mobile_scanner/mobile_scanner.dart';
+
+import '../../pages/login/login_view.dart';
+
+class MainController extends GetxController {
+
+  final qrText = ''.obs;
+  MobileScannerController scannerController = MobileScannerController();
+
+
+  @override
+  void onInit() {
+    _initializeDateFormatting();
+    super.onInit();
+  }
+
+  @override
+  void onReady() {
+    stopScanning();
+    super.onReady();
+  }
+
+  void _initializeDateFormatting() async {
+    await initializeDateFormatting('de_DE', null);
+  }
+
+  void startScanning() {
+    scannerController.start();
+  }
+  void stopScanning() {
+    scannerController.stop();
+  }
+  
+ void onDetect(Barcode barcode, args) {
+    final String code = barcode.rawValue ?? 'Unknown';
+    qrText.value = code;
+    stopScanning();
+  }
+
+  @override
+  void onClose() {
+   scannerController.dispose();
+  }
+
+  void goToLoginPage() {
+    Get.offAllNamed(LoginPage.namedRoute);
+  }
+}

lib/main.dart

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+import 'dart:io';
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'pages/login/login_view.dart';
+import 'utils/http_overrides.dart';
+import 'utils/sample_routes.dart';
+
+void main() {
+  HttpOverrides.global = MyHttpOverrides();
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return GetMaterialApp(
+      title: 'Itis4You App',
+      theme: ThemeData(
+        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        useMaterial3: true,
+      ),
+      initialRoute: LoginPage.namedRoute,
+      getPages: SampleRouts.samplePages,
+    );
+  }
+}

lib/markup/login/login_markup.json

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+{
+    "users":[
+      {
+        "id":"1000",
+        "username":"Zimmermann Harald",
+        "password":"1234"
+      },
+      {
+        "id":"1001",
+        "username":"Seiringer Josef",
+        "password":"1234"
+      },
+      {
+        "id":"1002",
+        "username":"Frizenwallner Andreas",
+        "password":"1234"
+      }
+    ]
+}

lib/models/http_exception.dart

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+class HttpException implements Exception {
+  final String message;
+
+  HttpException(this.message);
+
+  @override
+  String toString() {
+    return message;
+    // return super.toString(); // Instance of HttpException
+  }
+}

lib/models/its_data.dart

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+class ItsData {
+  final Data data;
+
+  ItsData({required this.data});
+
+  factory ItsData.fromJson(Map<String, dynamic> json) {
+    final data = json['data'] != null ? Data.fromJson(json['data']) : null;
+    return ItsData(data: data!);
+  }
+
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = <String, dynamic>{};
+    data['data'] = this.data.toJson();
+      return data;
+  }
+}
+
+class Data {
+  List<Users> users;
+
+  Data({required this.users});
+
+  factory Data.fromJson(Map<String, dynamic> json) {
+    List<Users> users = [];
+    if (json['users'] != null) {
+      json['users'].forEach((v) {
+        users.add(Users.fromJson(v));
+      });
+    }
+    return Data(users: users);
+  }
+
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = <String, dynamic>{};
+    data['users'] = users.map((v) => v.toJson()).toList();
+      return data;
+  }
+}
+
+class Users {
+  final User user;
+
+  Users({required this.user});
+
+  factory Users.fromJson(Map<String, dynamic> json) {
+    final user = json['user'] != null ? User.fromJson(json['user']) : throw Exception('User data is null');
+    return Users(user: user);
+  }
+
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data =  <String, dynamic>{};
+    data['user'] = user.toJson();
+      return data;
+  }
+}
+
+class User {
+  final String userID;
+  final String name;
+  final String eMail;
+
+  User({required this.userID, required this.name, required this.eMail});
+
+  factory User.fromJson(Map<String, dynamic> json) {
+    final userID = json['userID'];
+    final name = json['name'];
+    final eMail = json['eMail'];
+    return User(userID: userID, name: name, eMail: eMail);
+  }
+
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = <String, dynamic>{};
+    data['userID'] = userID;
+    data['name'] = name;
+    data['eMail'] = eMail;
+    return data;
+  }
+}

lib/models/my_network.dart

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+
+import '../models/its_data.dart';
+import 'package:http/http.dart' as http;
+import 'dart:convert';
+
+import '../utils/constants.dart';
+
+class MyNetwork {
+  final String networkUrl;
+
+  MyNetwork({required this.networkUrl});
+
+  Future<List<User>> getAllUsers() async {
+    List<User> myUserList = [];    
+    var result =
+        await http.get(Uri.parse(kGetAllUsersURL), headers: kHttpHeaderBasicApiRest);
+    if (result.statusCode == 200) {
+      var jsonRequest = jsonDecode(result.body);
+      var apiRestUserlist = jsonRequest['data']['users'];
+      for (var user in apiRestUserlist) {
+        User u = User(
+            eMail: user['user']['eMail'],
+            userID: user['user']['userID'],
+            name: user['user']['name']);
+        myUserList.add(u);
+      }
+    }
+      return myUserList;
+  }
+}

lib/pages/login/login_view.dart

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+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import '/controller/login/login_controller.dart';
+import '/utils/my_text_button.dart';
+
+class LoginPage extends GetView<LoginController> {
+  static const namedRoute = '/login-page';
+  const LoginPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    var logCtrl = controller;
+    var screenWidth = MediaQuery.of(context).size.width;
+    //var screenHeight = MediaQuery.of(context).size.height;
+    return SafeArea(
+      child: Scaffold(
+        body: Center(
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              const SizedBox(height: 25.0),
+              Container(
+                width: screenWidth*0.4,
+                padding: const EdgeInsets.all(10.0),
+                decoration: BoxDecoration(
+                  color: Colors.red,
+                  borderRadius: BorderRadius.all(Radius.circular(8.0)),
+                ),
+                child: const Text(
+                  'Internorm',
+                  style: TextStyle(
+                    fontSize: 50.0,
+                    color: Colors.white,
+                    fontWeight: FontWeight.bold,
+                  ),
+                ),
+              ),
+              const SizedBox(height: 10),
+              const Text('Itis4You Inventory',
+                  style:
+                      TextStyle(fontSize: 30.0, fontStyle: FontStyle.italic)),
+              const SizedBox(height: 50.0),
+              SizedBox(
+                width: screenWidth*0.5,
+                child: TextField(
+                  textAlign: TextAlign.center,
+                  decoration: InputDecoration(
+                    border: OutlineInputBorder(
+                      borderRadius: BorderRadius.circular(5.0),
+                    ),
+                    labelText: 'Nachname Vorname',
+                    
+                  ),
+                  keyboardType: TextInputType.text,
+                  controller: logCtrl.loginUserNameController,
+                ),
+              ),
+              SizedBox(height: 10.0),
+               SizedBox(
+                width: screenWidth*0.5,
+                child: TextField(
+                  textAlign: TextAlign.center,
+                  decoration: InputDecoration(
+                    border: OutlineInputBorder(
+                      borderRadius: BorderRadius.circular(5.0),
+                    ),
+                    labelText: 'Passwort 4 Stellen',
+                    
+                  ),
+                  keyboardType: TextInputType.text,
+                  obscureText: true,
+                  controller: logCtrl.loginUserPasswortController,
+                ),
+              ),
+              SizedBox(height: 20.0),
+              MyTextButton(
+                onTap: () => logCtrl.logInUser(),
+                screenWidth: screenWidth * 0.4,
+                buttonText: 'ANMELDEN',
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/pages/main/main_view.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_itis4you_with_jde_user_login_app/utils/my_text_button.dart';
+import 'package:get/get.dart';
+import 'package:mobile_scanner/mobile_scanner.dart';
+import '../../controller/main/main_controller.dart';
+
+class MainPage extends GetView<MainController> {
+  static const namedRoute = '/main-page';
+  const MainPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    var mainCtrl = controller;
+    double screenWidth = MediaQuery.of(context).size.width;
+    double screenHeight = MediaQuery.of(context).size.height;
+    return SafeArea(
+      child: Scaffold(
+        appBar: AppBar(
+          centerTitle: true,
+          title: const Text(
+            'Inventarcode Scannen',
+            style: TextStyle(color: Colors.white, fontSize: 25.0),
+          ),
+          toolbarHeight: 120.0,
+          backgroundColor: Colors.grey.shade700,
+          leading: IconButton(
+            icon: const Icon(Icons.arrow_back),
+            onPressed: () => mainCtrl.goToLoginPage(),
+          ),
+          //centerTitle: true,
+        ),
+        body: SafeArea(
+          child: Center(
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: <Widget>[
+                Container(
+                  width: screenWidth * 0.7,
+                  height: screenHeight * 0.35,
+                  decoration: BoxDecoration(
+                    borderRadius: BorderRadius.circular(10.0),
+                  ),
+                  child: MobileScanner(
+                    controller: mainCtrl.scannerController,
+                    onDetect: (barcode) {
+                      var bar = barcode.barcodes.first;
+                      var args = barcode.image;
+                      mainCtrl.onDetect(bar, args);
+                    },
+                  ),
+                ),
+                SizedBox(height: 50.0),
+                Obx(() => Center(
+                      child: Container(
+                        alignment: Alignment.center,
+                        width: screenWidth*0.6,
+                        height: 80.0,
+                        decoration: BoxDecoration(
+                          border: Border.all(
+                            color: Colors.grey.shade600,
+                            width: 5.0,
+                          ),
+                          borderRadius: BorderRadius.circular(20.0),
+                        ),
+                        child: Text(
+                          mainCtrl.qrText.value,
+                          style: TextStyle(
+                            fontSize: 35.0,
+                            fontWeight: FontWeight.bold,
+                          ),
+                        ),
+                      ),
+                    )),
+                SizedBox(height: 50.0),
+                SizedBox(
+                  width: screenWidth * 0.4,
+                  child: MyTextButton(
+                    onTap: () => mainCtrl.startScanning(),
+                    screenWidth: screenWidth * 0.4,
+                    buttonText: 'Start Scannen',
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/utils/constants.dart

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+import 'dart:convert';
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+
+const kLoginURL = 'http://ifnweb12.ifndom.net:8789/jderest/v2/tokenrequest';
+const kGetAllUsersURL =
+    'https://api.internorm.com:4481/gateway/ITIS4U_Inventory_Management/1.0/ITIS4U_Inventory/users';
+const kGetAssetsByUserIdBaseURL =
+    'https://api.internorm.com:4481/gateway/ITIS4U_Inventory_Management/1.0/ITIS4U_Inventory/assetsByUser';
+const kGetAssetByInventoryIdBaseURL =
+    'https://api.internorm.com:4481/gateway/ITIS4U_Inventory_Management/1.0/ITIS4U_Inventory/asset';
+
+var szApiUsername = 'Service';
+var szApiPassword = 'manage';
+var kLoginToken = '';
+var kLoginUser = '';
+var kLoginPassword = '';
+
+//HttpHeader Authentification Login
+var kBasicAuthLogin =
+    'Basic ${base64.encode(utf8.encode('$kLoginUser:$kLoginPassword'))}';    
+var kHttpHeaderBasic = {HttpHeaders.authorizationHeader: kBasicAuthLogin};
+
+   var kBasicAuthApiRest = 'Basic ${base64.encode(utf8.encode('$szApiUsername:$szApiPassword'))}';    
+var kHttpHeaderBasicApiRest = {HttpHeaders.authorizationHeader: kBasicAuthLogin};
+
+var kFontSizeDouble = 15.0;
+
+var kTextSyleLittleGrey =
+    TextStyle(fontSize: 12.0, color: Colors.grey.shade500);
+
+//DropDown Styles
+var kInputDecorationDropDownMenue = InputDecoration(
+  //prefixIcon: Icon(Icons.date_range),
+  hintText: 'User'.toUpperCase(),
+  contentPadding: const EdgeInsets.all(10),
+  hintStyle: TextStyle(letterSpacing: 2, fontSize: kFontSizeDouble),
+  filled: true,
+  fillColor: Colors.grey.shade400,
+  errorStyle: const TextStyle(color: Colors.yellow),
+);
+
+
+SnackbarController kDisplaySnackBarRed(String szInfoText) {
+  return Get.snackbar('Info', szInfoText,
+      backgroundColor: Colors.red[600],
+      snackPosition: SnackPosition.TOP,
+      colorText: Colors.white,
+      snackStyle: SnackStyle.GROUNDED);
+}
+
+SnackbarController kDisplaySnackBarGreen(String szInfoText) {
+  return Get.snackbar('Info', szInfoText,
+      backgroundColor: Colors.green[600],
+      snackPosition: SnackPosition.TOP,
+      colorText: Colors.black,
+      snackStyle: SnackStyle.GROUNDED);
+}
+
+
+String? kHandyModel;

lib/utils/http_overrides.dart

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+import 'dart:io';
+
+class MyHttpOverrides extends HttpOverrides {
+  @override
+  HttpClient createHttpClient(SecurityContext? context) {
+    return super.createHttpClient(context)
+      ..badCertificateCallback =
+          (X509Certificate cert, String host, int port) => true;
+  }
+}

lib/utils/my_text_button.dart

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+import 'package:flutter/material.dart';
+
+class MyTextButton extends StatelessWidget {
+  const MyTextButton({
+    super.key,
+    required this.onTap,
+    required this.screenWidth,
+    required this.buttonText,
+  });
+
+  final void Function()? onTap;
+  final double screenWidth;
+  final String buttonText;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: onTap,
+      child: Container(
+        alignment: Alignment.center,
+        width: screenWidth,
+        height: 80.0,
+        decoration: BoxDecoration(
+          color: Colors.blue.shade700,
+          borderRadius: BorderRadius.circular(5.0)
+        ),
+        child: Text(
+          buttonText,
+          style: const TextStyle(
+            fontSize: 30.0,
+            color: Colors.white,
+            fontWeight: FontWeight.bold,
+            letterSpacing: 2.0,
+            wordSpacing: 8.0,
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/utils/sample_bindings.dart

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+import 'package:get/get.dart';
+import '../controller/login/login_controller.dart';
+import '../controller/main/main_controller.dart';
+
+class SampleBindings extends Bindings {
+  @override
+  void dependencies() {
+    Get.lazyPut<LoginController>(() => LoginController());
+    Get.lazyPut<MainController>(() => MainController());
+  }
+}

lib/utils/sample_routes.dart

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+import 'package:get/get.dart';
+
+import './sample_bindings.dart';
+import '../../pages/main/main_view.dart';
+import '../../pages/login/login_view.dart';
+
+class SampleRouts {
+  static final sampleBindings = SampleBindings();
+  static final samplePages = [
+    GetPage(
+      name: LoginPage.namedRoute,
+      binding: sampleBindings,
+      page: () => const LoginPage(),
+    ),
+    GetPage(
+      name: MainPage.namedRoute,
+      binding: sampleBindings,
+      page: () => const MainPage(),
+    ),
+  ];
+}

lib/widgets/my_text_button.dart

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+import 'package:flutter/material.dart';
+
+class MyTextButton extends StatelessWidget {
+  const MyTextButton({
+    super.key,
+    required this.onTap,
+    required this.screenWidth,
+    this.screenHeight = 80.0,
+    this.fontSize = 20.0,
+    this.backgroundColor = const Color.fromARGB(255, 66, 66, 66),
+    this.textColor = Colors.white,
+    required this.buttonText,
+  });
+
+  final void Function()? onTap;
+  final double screenWidth;
+  final double screenHeight;
+  final double fontSize;
+  final Color backgroundColor;
+  final Color textColor;
+  final String buttonText;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: onTap,
+      child: Container(
+        alignment: Alignment.center,
+        width: screenWidth,
+        height: screenHeight,
+        color: backgroundColor,
+        child: Text(
+          buttonText,
+          textAlign: TextAlign.center,
+          style: TextStyle(
+            fontSize: fontSize,
+            color: textColor,
+          ),
+        ),
+      ),
+    );
+  }
+}