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Implement PrintingStatusCard in ReceiptSpeedDial and improve error handling for Bluetooth printer connection

master
a2nr 2025-09-05 21:44:38 +07:00
parent a2eedc8efc
commit b88c301d7d
5 changed files with 254 additions and 145 deletions
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53
lib/screens/receipt_screen.dart
View File

@ -1,5 +1,4 @@
import 'package:flutter/material.dart';
import 'dart:typed_data';
import 'package:cashumit/models/receipt_item.dart';
import 'package:cashumit/screens/add_item_screen.dart';
import 'package:bluetooth_print/bluetooth_print.dart';
@ -12,6 +11,7 @@ import 'package:cashumit/widgets/store_info_config_dialog.dart';
import 'package:cashumit/widgets/custom_text_config_dialog.dart';
import 'package:cashumit/screens/webview_screen.dart';
import 'package:cashumit/widgets/receipt_speed_dial.dart';
import 'package:cashumit/widgets/printing_status_card.dart';
// Import service baru
import 'package:cashumit/services/account_dialog_service.dart';
@ -21,6 +21,10 @@ import 'package:cashumit/services/esc_pos_print_service.dart';
import 'package:provider/provider.dart';
import 'package:cashumit/providers/receipt_provider.dart';
// Import untuk penanganan error
import 'dart:io';
import 'package:flutter/services.dart';
class ReceiptScreen extends StatefulWidget {
const ReceiptScreen({super.key});
@ -32,6 +36,9 @@ class _ReceiptScreenState extends State<ReceiptScreen> {
// Bluetooth service
final BluetoothService _bluetoothService = BluetoothService();
// Printing status
bool _isPrinting = false;
@override
void initState() {
super.initState();
@ -108,6 +115,7 @@ class _ReceiptScreenState extends State<ReceiptScreen> {
final receiptProvider = context.read<ReceiptProvider>();
final state = receiptProvider.state;
try {
// Cek dan reconnect jika perlu
final isConnected = await _bluetoothService.reconnectIfNeeded();
if (!isConnected) {
@ -126,7 +134,6 @@ class _ReceiptScreenState extends State<ReceiptScreen> {
return;
}
try {
await EscPosPrintService.printToThermalPrinter(
items: state.items,
transactionDate: state.transactionDate,
@ -138,7 +145,20 @@ class _ReceiptScreenState extends State<ReceiptScreen> {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Perintah cetak dikirim ke printer')),
);
} on SocketException catch (e) {
// Tangani error koneksi secara spesifik
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Koneksi ke printer terputus: ${e.message}')),
);
} on PlatformException catch (e) {
// Tangani error platform secara spesifik
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Error printer: ${e.message}')),
);
} catch (e) {
// Tangani error umum
if (!mounted) return;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Gagal mencetak struk: $e')),
@ -146,6 +166,19 @@ class _ReceiptScreenState extends State<ReceiptScreen> {
}
}
/// Methods to control printing status
void _startPrinting() {
setState(() {
_isPrinting = true;
});
}
void _endPrinting() {
setState(() {
_isPrinting = false;
});
}
void _addItem() async {
final newItem = await showDialog<ReceiptItem>(
context: context,
@ -330,7 +363,9 @@ class _ReceiptScreenState extends State<ReceiptScreen> {
@override
Widget build(BuildContext context) {
return Scaffold(
return Stack(
children: [
Scaffold(
backgroundColor:
Colors.grey[300], // Latar belakang abu-abu untuk efek struk
floatingActionButton: Consumer<ReceiptProvider>(
@ -346,6 +381,8 @@ class _ReceiptScreenState extends State<ReceiptScreen> {
hasSourceAccount: state.sourceAccountId != null,
hasDestinationAccount: state.destinationAccountId != null,
onSendToFirefly: _sendToFirefly,
onPrintingStart: _startPrinting,
onPrintingEnd: _endPrinting,
);
}
),
@ -419,6 +456,16 @@ class _ReceiptScreenState extends State<ReceiptScreen> {
),
),
),
),
PrintingStatusCard(
isVisible: _isPrinting,
onDismiss: () {
setState(() {
_isPrinting = false;
});
},
),
],
);
}
}

40
lib/services/bluetooth_service.dart
View File

@ -1,7 +1,8 @@
import 'package:bluetooth_print/bluetooth_print.dart';
import 'package:bluetooth_print/bluetooth_print_model.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'dart:typed_data';
import 'dart:io';
import 'package:flutter/services.dart';
class BluetoothService {
late BluetoothPrint _bluetoothPrint;
@ -44,7 +45,13 @@ class BluetoothService {
final isConnected = await _bluetoothPrint.isConnected ?? false;
_isConnected = isConnected;
return isConnected;
} on SocketException {
// Tangani error koneksi secara spesifik
_isConnected = false;
return false;
} catch (e) {
// Tangani error umum
_isConnected = false;
return false;
}
}
@ -62,7 +69,17 @@ class BluetoothService {
await prefs.setString('bluetooth_device_name', device.name ?? '');
return true;
} on SocketException {
// Tangani error koneksi secara spesifik
_isConnected = false;
return false;
} on PlatformException {
// Tangani error platform secara spesifik
_isConnected = false;
return false;
} catch (e) {
// Tangani error umum
_isConnected = false;
return false;
}
}
@ -80,12 +97,24 @@ class BluetoothService {
/// Mencetak struk ke printer thermal
Future<void> printReceipt(Uint8List data) async {
if (!_isConnected) {
throw Exception('Printer tidak terhubung');
throw SocketException('Printer tidak terhubung');
}
_isPrinting = true;
try {
await _bluetoothPrint.printRawData(data);
} on SocketException {
// Tangani error koneksi saat mencetak
_isPrinting = false;
rethrow;
} on PlatformException {
// Tangani error platform saat mencetak
_isPrinting = false;
rethrow;
} catch (e) {
// Tangani error umum saat mencetak
_isPrinting = false;
throw Exception('Gagal mencetak: $e');
} finally {
_isPrinting = false;
}
@ -124,7 +153,14 @@ class BluetoothService {
isConnected = await checkConnection();
return isConnected;
} on SocketException {
// Tangani error koneksi secara spesifik
return false;
} on PlatformException {
// Tangani error platform secara spesifik
return false;
} catch (e) {
// Tangani error umum
return false;
}
} else {

14
lib/services/esc_pos_print_service.dart
View File

@ -5,8 +5,6 @@ import 'package:cashumit/models/receipt_item.dart';
import 'package:flutter_esc_pos_utils/flutter_esc_pos_utils.dart';
import 'package:image/image.dart' as img;
import 'dart:io';
import 'dart:ui' as ui;
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
/// Service untuk menghasilkan perintah ESC/POS menggunakan flutter_esc_pos_utils
@ -342,7 +340,7 @@ class EscPosPrintService {
final isConnectedBeforePrint = await bluetoothService.checkConnection();
if (!isConnectedBeforePrint) {
print('Printer tidak terhubung saat akan mencetak');
throw Exception('Printer tidak terhubung saat akan mencetak');
throw SocketException('Printer tidak terhubung saat akan mencetak');
}
print('Mengirim byte array ke printer...');
@ -352,10 +350,20 @@ class EscPosPrintService {
final Uint8List data = Uint8List.fromList(bytes);
await bluetoothService.printReceipt(data);
print('Perintah cetak berhasil dikirim');
} on SocketException catch (e) {
print('Socket error saat mengirim perintah cetak ke printer: $e');
throw SocketException('Koneksi ke printer terputus: ${e.message}');
} on PlatformException catch (e) {
print('Platform error saat mengirim perintah cetak ke printer: $e');
throw PlatformException(code: e.code, message: 'Error printer: ${e.message}');
} catch (printError) {
print('Error saat mengirim perintah cetak ke printer: $printError');
throw Exception('Gagal mengirim perintah cetak: $printError');
}
} on SocketException {
rethrow; // Lempar ulang error koneksi
} on PlatformException {
rethrow; // Lempar ulang error platform
} catch (e, stackTrace) {
print('Error saat mencetak struk: $e');
print('Stack trace: $stackTrace');

6
lib/widgets/printing_status_card.dart
View File

@ -8,7 +8,7 @@ class PrintingStatusCard extends StatefulWidget {
super.key,
required this.isVisible,
this.onDismiss,
}) : super();
});
@override
State<PrintingStatusCard> createState() => _PrintingStatusCardState();
@ -92,10 +92,10 @@ class _PrintingStatusCardState extends State<PrintingStatusCard>
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(20),
gradient: const LinearGradient(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [
colors: const [
Color(0xFF6A11CB),
Color(0xFF2575FC),
],

26
lib/widgets/receipt_speed_dial.dart
View File

@ -12,9 +12,11 @@ class ReceiptSpeedDial extends StatelessWidget {
final bool hasSourceAccount;
final bool hasDestinationAccount;
final Future<void> Function() onSendToFirefly;
final VoidCallback onPrintingStart;
final VoidCallback onPrintingEnd;
const ReceiptSpeedDial({
Key? key,
super.key,
required this.bluetoothService,
required this.onCheckConnection,
required this.onPrint,
@ -24,7 +26,9 @@ class ReceiptSpeedDial extends StatelessWidget {
required this.hasSourceAccount,
required this.hasDestinationAccount,
required this.onSendToFirefly,
}) : super(key: key);
required this.onPrintingStart,
required this.onPrintingEnd,
});
@override
Widget build(BuildContext context) {
@ -74,10 +78,14 @@ class ReceiptSpeedDial extends StatelessWidget {
onTap: bluetoothService.isPrinting
? null
: () async {
// Panggil callback untuk memulai printing status
onPrintingStart();
try {
// Periksa koneksi secara real-time
final isConnected = await onCheckConnection();
if (isConnected) {
onPrint();
await onPrint();
} else {
// Coba sambungkan kembali jika ada device yang tersimpan
if (bluetoothService.connectedDevice != null) {
@ -95,7 +103,7 @@ class ReceiptSpeedDial extends StatelessWidget {
// Periksa koneksi lagi
final isConnectedAfterConnect = await onCheckConnection();
if (isConnectedAfterConnect) {
onPrint();
await onPrint();
} else {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
@ -115,6 +123,16 @@ class ReceiptSpeedDial extends StatelessWidget {
);
}
}
} catch (e) {
// Tangani error secara umum
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Terjadi kesalahan: $e')),
);
} finally {
// Pastikan printing status selalu diakhiri
onPrintingEnd();
}
},
backgroundColor: Colors.purple,
),