167 lines
5.6 KiB
Dart
167 lines
5.6 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:firebase_auth/firebase_auth.dart';
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import 'package:cloud_firestore/cloud_firestore.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 TextEditingController _emailController = TextEditingController();
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final TextEditingController _passwordController = TextEditingController();
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bool _isLoading = false;
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String? _errorMessage;
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Future<void> _login() async {
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setState(() {
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_isLoading = true;
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_errorMessage = null;
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});
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try {
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UserCredential userCredential = await FirebaseAuth.instance
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.signInWithEmailAndPassword(
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email: _emailController.text.trim(),
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password: _passwordController.text.trim());
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User? user = userCredential.user;
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if (user != null) {
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final userDoc = await FirebaseFirestore.instance
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.collection('users')
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.doc(user.uid)
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.get();
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if (userDoc.exists) {
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final role = userDoc['role'];
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if (role == 'admin') {
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Navigator.pushReplacementNamed(context, '/adminDashboard');
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} else {
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Navigator.pushReplacementNamed(context, '/home');
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}
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} else {
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setState(() {
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_errorMessage = 'Data pengguna tidak ditemukan.';
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});
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}
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}
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} on FirebaseAuthException catch (e) {
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setState(() {
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_errorMessage = e.message;
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});
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}
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setState(() {
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_isLoading = false;
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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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decoration: const BoxDecoration(
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gradient: LinearGradient(
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colors: [
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Color.fromARGB(255, 107, 139, 255),
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Color.fromARGB(255, 140, 163, 247)
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],
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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),
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),
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child: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.symmetric(horizontal: 24),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Icon(Icons.water_drop_rounded,
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size: 80, color: Colors.white),
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const SizedBox(height: 16),
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const Text(
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"Login Monitoring Air",
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style: TextStyle(
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fontSize: 24,
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fontWeight: FontWeight.bold,
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color: Colors.white,
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),
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),
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const SizedBox(height: 32),
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Card(
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color: Colors.white.withOpacity(0.9),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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),
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elevation: 6,
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child: Padding(
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padding: const EdgeInsets.all(24.0),
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child: Column(
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children: [
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TextField(
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controller: _emailController,
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decoration: const InputDecoration(
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labelText: 'Email',
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prefixIcon: Icon(Icons.email),
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),
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keyboardType: TextInputType.emailAddress,
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),
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const SizedBox(height: 16),
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TextField(
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controller: _passwordController,
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decoration: const InputDecoration(
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labelText: 'Password',
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prefixIcon: Icon(Icons.lock),
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),
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obscureText: true,
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),
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const SizedBox(height: 24),
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if (_errorMessage != null)
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Text(
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_errorMessage!,
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style: const TextStyle(color: Colors.red),
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),
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if (_isLoading)
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const CircularProgressIndicator()
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else
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ElevatedButton(
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onPressed: _login,
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style: ElevatedButton.styleFrom(
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backgroundColor:
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const Color.fromARGB(255, 107, 139, 255),
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minimumSize: const Size.fromHeight(50),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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child: const Text(
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"Login",
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style:
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TextStyle(fontSize: 16, color: Colors.white),
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),
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),
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const SizedBox(height: 12),
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TextButton(
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onPressed: () {
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Navigator.pushNamed(context, '/register');
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},
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child: const Text("Belum punya akun? Daftar di sini"),
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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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