332 lines
13 KiB
Dart
332 lines
13 KiB
Dart
import 'dart:convert';
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import 'package:SIBAYAM/user/before_login.dart';
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import 'package:flutter/material.dart';
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import 'package:http/http.dart' as http;
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import 'package:shared_preferences/shared_preferences.dart';
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import 'home_page.dart';
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import 'package:SIBAYAM/admin/admin_page.dart';
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import 'register_page.dart';
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import 'forgot_password_page.dart';
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class LoginPage extends StatefulWidget {
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@override
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_LoginPageState createState() => _LoginPageState();
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}
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class _LoginPageState extends State<LoginPage> {
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final TextEditingController _emailController = TextEditingController();
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final TextEditingController _passwordController = TextEditingController();
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bool _isLoading = false;
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bool _isPasswordVisible = false;
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// Method to show error dialog
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void _showErrorDialog(String message) {
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showDialog(
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context: context,
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builder:
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(context) => AlertDialog(
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title: Row(
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children: [
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Icon(Icons.error_outline, color: Colors.red),
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SizedBox(width: 10),
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Text('Error'),
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],
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),
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content: Text(message),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(),
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child: Text('OK', style: TextStyle(color: Color(0xFF9DC08D))),
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),
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],
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(15),
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),
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),
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);
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}
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Future<void> _login() async {
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setState(() {
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_isLoading = true;
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});
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String email = _emailController.text.trim();
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String password = _passwordController.text.trim();
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if (email.isEmpty || password.isEmpty) {
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setState(() {
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_isLoading = false;
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});
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_showErrorDialog('Email dan Password harus diisi');
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return;
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}
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try {
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var url = Uri.parse(
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"https://beckend-sistem-pakar-diagnosa-penyakit.onrender.com/api/auth/login",
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);
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var response = await http.post(
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url,
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headers: {"Content-Type": "application/json"},
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body: jsonEncode({"email": email, "password": password}),
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);
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var responseData = jsonDecode(response.body);
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if (response.statusCode == 200) {
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// Simpan token & role ke SharedPreferences
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final SharedPreferences prefs = await SharedPreferences.getInstance();
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print("User ID dari respons login: ${responseData['userId']}");
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await prefs.setString('token', responseData['token']);
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await prefs.setString('role', responseData['role']);
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await prefs.setString('email', email);
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await prefs.setString('userId', responseData['userId'].toString());
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// Redirect berdasarkan role
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if (responseData['role'] == 'admin') {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (context) => AdminPage()),
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);
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} else {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (context) => HomePage()),
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);
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}
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} else {
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setState(() {
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_isLoading = false;
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});
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_showErrorDialog(
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responseData['message'] ?? 'Email atau Password salah',
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);
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}
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} catch (e) {
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setState(() {
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_isLoading = false;
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});
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_showErrorDialog('Terjadi kesalahan koneksi. Silakan coba lagi.');
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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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backgroundColor: Color(0xFF9DC08D),
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body: Stack(
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children: [
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Positioned(
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top: 40,
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left: 20,
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child: IconButton(
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icon: Icon(Icons.arrow_back, color: Colors.white),
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onPressed: () {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (context) => BeforeLogin()),
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);
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},
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),
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),
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Center(
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child: SingleChildScrollView(
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20.0),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Image.asset('assets/images/bayam.png', height: 150),
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SizedBox(height: 30),
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Card(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(15),
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),
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elevation: 5,
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child: Padding(
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padding: const EdgeInsets.all(20.0),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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TextField(
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controller: _emailController,
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decoration: InputDecoration(
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labelText: 'email',
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labelStyle: TextStyle(
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color: Colors.black.withOpacity(0.7),
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),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: BorderSide(
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color: Colors.black.withOpacity(0.6),
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width: 2,
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),
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),
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),
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),
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SizedBox(height: 20),
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TextField(
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controller: _passwordController,
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obscureText:
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!_isPasswordVisible, // Toggle visibility based on state
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decoration: InputDecoration(
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labelText: 'Password',
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labelStyle: TextStyle(
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color: Colors.black.withOpacity(0.7),
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),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: BorderSide(
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color: Colors.black.withOpacity(0.6),
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width: 2,
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),
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),
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suffixIcon: IconButton(
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icon: Icon(
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_isPasswordVisible
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? Icons.visibility
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: Icons.visibility_off,
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color: Color(0xFF9DC08D),
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),
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onPressed: () {
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setState(() {
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_isPasswordVisible = !_isPasswordVisible;
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});
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},
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),
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),
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),
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SizedBox(height: 20),
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SizedBox(
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width: double.infinity,
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height: 50,
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child: ElevatedButton(
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.green,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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),
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),
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onPressed: _isLoading ? null : _login,
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child:
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_isLoading
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? CircularProgressIndicator(
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color: Colors.white,
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)
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: Text(
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'Login',
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style: TextStyle(
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color: Colors.white,
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fontSize: 16,
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fontWeight: FontWeight.bold,
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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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SizedBox(height: 20),
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Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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TextButton(
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onPressed: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => RegisterPage(),
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),
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);
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},
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style: TextButton.styleFrom(
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backgroundColor: Colors.white,
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padding: EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 12,
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),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.person_add_outlined,
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color: Color(0xFF9DC08D),
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size: 16,
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),
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SizedBox(width: 8),
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Text(
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'Belum punya akun? Daftar',
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style: TextStyle(
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color: Color(0xFF9DC08D),
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fontWeight: FontWeight.w500,
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fontSize: 13,
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),
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),
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],
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),
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),
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SizedBox(height: 10),
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TextButton(
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onPressed: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => ForgotPasswordPage(),
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),
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);
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},
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style: TextButton.styleFrom(
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backgroundColor: Colors.white,
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padding: EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 12,
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),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.lock_reset_outlined,
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color: Color(0xFF9DC08D),
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size: 16,
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),
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SizedBox(width: 8),
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Text(
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'Lupa Password?',
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style: TextStyle(
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color: Color(0xFF9DC08D),
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fontWeight: FontWeight.w500,
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fontSize: 13,
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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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),
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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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