Initial
This commit is contained in:
Aditya Pulipaka
152
lib/BlindMasterScreens/Startup/create_user_screen.dart
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152
lib/BlindMasterScreens/Startup/create_user_screen.dart
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import 'package:blind_master/BlindMasterResources/error_snackbar.dart';
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import 'package:blind_master/BlindMasterResources/secure_transmissions.dart';
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import 'package:flutter/material.dart';
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import 'package:blind_master/BlindMasterResources/text_inputs.dart';
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import 'package:blind_master/BlindMasterResources/title_text.dart';
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class CreateUserScreen extends StatefulWidget {
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const CreateUserScreen({super.key});
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@override
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State<CreateUserScreen> createState() => _CreateUserScreenState();
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}
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class _CreateUserScreenState extends State<CreateUserScreen> {
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final emailController = TextEditingController();
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final nameController = TextEditingController();
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final passwordController = TextEditingController();
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final _passFormKey = GlobalKey<FormState>();
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final _emailFormKey = GlobalKey<FormState>();
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@override
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void initState() {
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super.initState();
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}
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Future<void> attemptCreate() async{
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try {
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if (!_emailFormKey.currentState!.validate() || !_passFormKey.currentState!.validate()) {
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throw Exception('Invalid information entered!');
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}
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final payload = {
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'name': nameController.text.trim(),
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'email': emailController.text.trim(),
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'password': passwordController.text,
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};
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final response = await regularPost(payload, 'create_user');
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if (response.statusCode == 201) {
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if(mounted) {
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ScaffoldMessenger.of(context).clearSnackBars();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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backgroundColor: Colors.green[800],
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content: Text(
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"Account Successfully Created!",
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textAlign: TextAlign.center,
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style: TextStyle(fontSize: 15),
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),
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)
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);
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Navigator.pop(context);
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}
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} else {
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if (response.statusCode == 409) throw Exception('Email Already In Use!');
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throw Exception('Create failed: ${response.statusCode}');
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}
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} catch(e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).clearSnackBars();
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ScaffoldMessenger.of(context).showSnackBar(
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errorSnackbar(e)
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);
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return;
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}
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}
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String? confirmPasswordValidator(String? input) {
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if (input == passwordController.text) {
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return null;
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}
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else {
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return "Passwords do not match!";
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}
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}
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String? emailValidator(String? input) {
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if (input == null || input.isEmpty) {
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return 'Email is required';
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}
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final emailPattern = r'^[^@]+@[^@]+\.[^@]+$';
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if (!RegExp(emailPattern).hasMatch(input)) {
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return 'Enter a valid email address';
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}
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return null;
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Container(
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color: Theme.of(context).primaryColorLight,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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TitleText("Create Account", txtClr: Colors.white),
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Container(
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padding: EdgeInsets.fromLTRB(40, 10, 40, 10),
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child: Column(
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children: [
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BlindMasterMainInput("Preferred Name (optional)", controller: nameController),
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SizedBox(height: 20),
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Form(
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key: _emailFormKey,
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autovalidateMode: AutovalidateMode.onUnfocus,
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child: BlindMasterMainInput(
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"Email",
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controller: emailController,
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validator: emailValidator,
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),
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),
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Form(
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key: _passFormKey,
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autovalidateMode: AutovalidateMode.onUserInteraction,
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child: Column(
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children: [
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BlindMasterMainInput(
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"Password",
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password: true,
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controller: passwordController
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),
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BlindMasterMainInput(
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"Confirm Password",
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validator: confirmPasswordValidator,
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password: true,
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)
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],
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)
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)
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],
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),
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),
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ElevatedButton(
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onPressed: attemptCreate,
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child: Text(
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"Create"
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),
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)
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],
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),
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),
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);
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}
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}
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126
lib/BlindMasterScreens/Startup/login_screen.dart
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126
lib/BlindMasterScreens/Startup/login_screen.dart
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@@ -0,0 +1,126 @@
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import 'package:blind_master/BlindMasterResources/secure_transmissions.dart';
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import 'package:blind_master/BlindMasterScreens/Startup/create_user_screen.dart';
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import 'package:blind_master/BlindMasterScreens/home_screen.dart';
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import 'package:blind_master/BlindMasterResources/error_snackbar.dart';
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import 'package:blind_master/BlindMasterResources/fade_transition.dart';
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import 'package:blind_master/BlindMasterResources/text_inputs.dart';
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import 'package:blind_master/BlindMasterResources/title_text.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'dart:convert';
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import 'package:flutter/material.dart';
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class LoginScreen extends StatefulWidget {
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const LoginScreen({super.key});
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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final emailController = TextEditingController();
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final passwordController = TextEditingController();
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bool inputWrong = false;
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@override
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void initState() {
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super.initState();
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}
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@override
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void dispose() {
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// Clean up the controller when the widget is removed from the
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// widget tree.
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emailController.dispose();
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passwordController.dispose();
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super.dispose();
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}
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Future<void> attemptSignIn() async {
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final email = emailController.text.trim();
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final password = passwordController.text;
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final payload = {
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'email': email,
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'password': password,
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}; // query parameters
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try {
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final response = await regularPost(payload, 'login');
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if (response.statusCode != 200) {
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if (response.statusCode == 400) {throw Exception('Email and Password Necessary');}
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else if (response.statusCode == 500) {throw Exception('Server Error');}
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else {throw Exception('Incorrect email or password');}
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}
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final body = json.decode(response.body) as Map<String, dynamic>;
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final token = body['token'] as String;
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if (token.isEmpty) throw Exception('Token Not Received');
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final storage = FlutterSecureStorage();
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await storage.write(key: 'token', value: token);
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} catch(e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).clearSnackBars();
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ScaffoldMessenger.of(context).showSnackBar(
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errorSnackbar(e)
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);
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return;
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}
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if (!mounted) return;
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Navigator.pushReplacement(
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context,
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fadeTransition(HomeScreen()),
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);
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}
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void switchToCreate() {
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Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => CreateUserScreen()),
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);
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Container(
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color: Theme.of(context).primaryColorLight,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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TitleText("BlindMaster"),
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Container(
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padding: EdgeInsets.fromLTRB(40, 10, 40, 10),
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child: Column(
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children: [
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BlindMasterMainInput("Email", controller: emailController),
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BlindMasterMainInput("Password", controller: passwordController, password: true,),
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],
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),
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),
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Container(
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padding: EdgeInsets.only(bottom:10),
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child: ElevatedButton(
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onPressed: attemptSignIn,
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child: Text(
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"Log In"
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),
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)
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),
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ElevatedButton(
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onPressed: switchToCreate,
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child: Text(
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"Create Account"
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),
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),
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],
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),
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),
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);
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}
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}
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89
lib/BlindMasterScreens/Startup/splash_screen.dart
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89
lib/BlindMasterScreens/Startup/splash_screen.dart
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@@ -0,0 +1,89 @@
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import 'dart:async';
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import 'dart:convert';
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import 'package:blind_master/BlindMasterResources/secure_transmissions.dart';
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import 'package:blind_master/BlindMasterScreens/home_screen.dart';
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import 'package:blind_master/BlindMasterScreens/Startup/login_screen.dart';
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import 'package:blind_master/BlindMasterResources/error_snackbar.dart';
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import 'package:blind_master/BlindMasterResources/fade_transition.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:http/http.dart' as http;
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class SplashScreen extends StatefulWidget {
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const SplashScreen({super.key});
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@override
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State<SplashScreen> createState() => _SplashScreenState();
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}
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class _SplashScreenState extends State<SplashScreen> {
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Widget nextScreen = LoginScreen();
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@override
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void initState() {
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super.initState();
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_routeNext();
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}
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Future<void> _routeNext() async {
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await verifyToken();
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_animateBackgroundBasedOnTime();
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}
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Future<void> verifyToken() async{
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final storage = FlutterSecureStorage();
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try {
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http.Response? response = await secureGet('verify');
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if (response == null) {
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nextScreen = LoginScreen();
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return;
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}
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if (response.statusCode == 200) {
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final body = json.decode(response.body) as Map<String, dynamic>;
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final newToken = body['token'];
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if (newToken != null) {
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await storage.write(key: 'token', value: newToken); // ✅ Rotate
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}
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nextScreen = HomeScreen();
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} else {
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nextScreen = LoginScreen();
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}
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} catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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errorSnackbar(e)
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);
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nextScreen = LoginScreen();
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}
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}
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void _animateBackgroundBasedOnTime() {
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// Optionally navigate to your main app after a short delay
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Timer(const Duration(seconds: 3), () {
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Navigator.pushReplacement(
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context,
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// MaterialPageRoute(builder: (context) => const MainAppScreen())
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fadeTransition(nextScreen),
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);
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});
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: AnimatedContainer(
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duration: const Duration(milliseconds: 500),
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color: Theme.of(context).primaryColorLight,
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child: Center(
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child: Image.asset('assets/images/2xwhite.png', height: 250)
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),
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),
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);
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}
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}
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Block a user