342 lines
11 KiB
Dart
342 lines
11 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:firebase_database/firebase_database.dart';
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class RFIDManagerPage extends StatefulWidget {
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const RFIDManagerPage({super.key});
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@override
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State<RFIDManagerPage> createState() => _RFIDManagerPageState();
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}
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class _RFIDManagerPageState extends State<RFIDManagerPage> {
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final nameController = TextEditingController();
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String currentUID = "";
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bool isScanning = false;
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final db = FirebaseDatabase.instance.ref();
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// 🎨 THEME GLOBAL (KONSISTEN APP)
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static const Color primaryColor = Color(0xff4E7C34);
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static const Color secondaryColor = Color(0xff6A994E);
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static const Color backgroundColor = Color(0xffFFF8E8);
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@override
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void initState() {
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super.initState();
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db.child("rfid/uid").onValue.listen((event) {
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final data = event.snapshot.value;
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if (data != null) {
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final uid = data.toString().toLowerCase().trim();
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setState(() {
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currentUID = uid;
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});
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if (isScanning && nameController.text.isNotEmpty) {
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saveCardAuto(uid);
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}
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}
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});
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}
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Future<void> saveCardAuto(String uid) async {
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final snapshot = await db.child("cards/$uid").get();
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if (snapshot.exists) {
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text("Kartu sudah terdaftar")));
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return;
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}
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await db.child("cards").child(uid).set({
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"uid": uid,
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"name": nameController.text.trim(),
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"nilai": 0,
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});
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text("Kartu berhasil didaftarkan")));
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setState(() {
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isScanning = false;
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currentUID = "";
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});
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nameController.clear();
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}
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Future<void> deleteCard(String uid) async {
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await db.child("cards").child(uid).remove();
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ScaffoldMessenger.of(
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context,
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).showSnackBar(const SnackBar(content: Text("Kartu berhasil dihapus")));
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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: backgroundColor,
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// 🔥 APPBAR
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appBar: AppBar(
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backgroundColor: primaryColor,
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foregroundColor: Colors.white,
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elevation: 2,
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title: const Text("Manajemen RFID"),
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centerTitle: true,
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),
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body: Column(
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children: [
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// 🔥 FORM CARD
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Padding(
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padding: const EdgeInsets.all(16),
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child: Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 10,
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),
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],
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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"Tambah Kartu Siswa",
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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color: primaryColor,
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),
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),
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const SizedBox(height: 16),
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// 🔥 RFID CARD
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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gradient: const LinearGradient(
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colors: [primaryColor, secondaryColor],
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),
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borderRadius: BorderRadius.circular(20),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.15),
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blurRadius: 12,
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offset: const Offset(0, 5),
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),
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],
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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const Text(
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"RFID CARD",
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style: TextStyle(
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color: Colors.white70,
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fontSize: 14,
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letterSpacing: 1.5,
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),
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),
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const Icon(
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Icons.credit_card,
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color: Colors.white70,
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),
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],
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),
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const SizedBox(height: 25),
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Text(
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currentUID.isEmpty
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? "Tap kartu untuk scan"
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: currentUID.toUpperCase(),
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style: const TextStyle(
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color: Colors.white,
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fontSize: 18,
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fontWeight: FontWeight.bold,
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letterSpacing: 2,
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),
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),
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const SizedBox(height: 20),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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isScanning ? "SCANNING..." : "READY",
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style: TextStyle(
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color: isScanning
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? Colors.yellow
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: Colors.white70,
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fontWeight: FontWeight.bold,
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),
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),
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const Icon(
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Icons.wifi_tethering,
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color: Colors.white70,
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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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const SizedBox(height: 20),
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TextField(
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controller: nameController,
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decoration: InputDecoration(
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labelText: "Nama Siswa",
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labelStyle: const TextStyle(color: primaryColor),
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focusedBorder: OutlineInputBorder(
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borderSide: const BorderSide(color: primaryColor),
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borderRadius: BorderRadius.circular(12),
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),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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),
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const SizedBox(height: 16),
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SizedBox(
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width: double.infinity,
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child: ElevatedButton(
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style: ElevatedButton.styleFrom(
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backgroundColor: primaryColor,
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minimumSize: const Size.fromHeight(50),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(14),
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),
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),
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onPressed: () {
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if (nameController.text.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text("Isi nama dulu")),
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);
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return;
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}
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setState(() {
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isScanning = true;
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});
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text("Silakan scan kartu")),
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);
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},
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child: const Text(
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"Scan Kartu",
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style: TextStyle(color: Colors.white),
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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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const Padding(
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padding: EdgeInsets.symmetric(horizontal: 16),
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child: Align(
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alignment: Alignment.centerLeft,
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child: Text(
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"Daftar Kartu",
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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color: primaryColor,
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),
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),
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),
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),
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const SizedBox(height: 10),
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// 🔥 LIST
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Expanded(
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child: StreamBuilder(
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stream: db.child("cards").onValue,
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builder: (context, snapshot) {
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if (!snapshot.hasData ||
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snapshot.data!.snapshot.value == null) {
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return const Center(child: Text("Belum ada kartu"));
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}
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final cards = Map<String, dynamic>.from(
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snapshot.data!.snapshot.value as Map,
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);
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final entries = cards.entries.toList();
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return ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: entries.length,
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itemBuilder: (context, index) {
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final uid = entries[index].key;
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final card = Map<String, dynamic>.from(
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entries[index].value,
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);
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return Container(
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margin: const EdgeInsets.only(bottom: 12),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.05),
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blurRadius: 8,
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),
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],
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),
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child: ListTile(
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leading: Container(
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width: 44,
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height: 44,
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decoration: BoxDecoration(
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gradient: const LinearGradient(
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colors: [primaryColor, secondaryColor],
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),
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borderRadius: BorderRadius.circular(12),
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),
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child: const Icon(Icons.person, color: Colors.white),
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),
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title: Text(card["name"] ?? "-"),
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subtitle: Text("UID: $uid"),
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trailing: IconButton(
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icon: const Icon(Icons.delete, color: Colors.red),
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onPressed: () => deleteCard(uid),
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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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