Implement logo printing functionality\n\n- Add store_logo_utils.dart with functions to manage logo path\n- Update main.dart to initialize logo from assets\n- Add placeholder logo image in assets/images/store_logo.png\n- Update esc_pos_print_service.dart to include logo in receipt\n- Add INSTRUCTIONS_LOGO.md with instructions for adding logo
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# Instruksi untuk menambahkan logo toko ke aplikasi:
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1. Tambahkan file gambar logo ke folder `assets/images/` dengan nama `store_logo.png`
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2. Tambahkan path ke file `pubspec.yaml` agar file gambar tersebut tersedia di aplikasi:
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```yaml
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flutter:
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assets:
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- assets/images/
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```
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3. Untuk menyimpan path logo ke shared preferences, panggil fungsi:
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```dart
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import 'package:cashumit/utils/store_logo_utils.dart';
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// Simpan path logo
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await saveStoreLogoPath('assets/images/store_logo.png');
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// Hapus path logo jika diperlukan
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await removeStoreLogoPath();
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```
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4. Untuk menguji pencetakan logo, pastikan printer thermal mendukung pencetakan gambar.
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iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8/5+hHgAHggJ/PchI7wAAAABJRU5ErkJggg==
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@ -2,8 +2,15 @@ import 'package:cashumit/screens/config_screen.dart';
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import 'package:cashumit/screens/transaction_screen.dart';
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import 'package:flutter/material.dart';
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import 'package:cashumit/screens/receipt_screen.dart';
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import 'package:cashumit/utils/store_logo_utils.dart';
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void main() async {
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// Ensure WidgetsFlutterBinding is initialized for async operations
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WidgetsFlutterBinding.ensureInitialized();
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// Initialize the store logo from asset
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await copyAndSaveStoreLogoFromAsset('assets/images/store_logo.png');
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void main() {
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runApp(const MyApp());
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}
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import 'package:flutter/services.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:intl/intl.dart';
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import 'package:cashumit/models/receipt_item.dart';
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import 'package:flutter_esc_pos_utils/flutter_esc_pos_utils.dart';
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import 'package:image/image.dart' as img;
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import 'dart:io';
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/// Service untuk menghasilkan perintah ESC/POS menggunakan flutter_esc_pos_utils
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class EscPosPrintService {
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/// Menghasilkan struk dalam format byte array berdasarkan data transaksi
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static Future<List<int>> generateEscPosBytes({
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required List<ReceiptItem> items,
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required DateTime transactionDate,
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required String cashierId,
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required String transactionId,
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}) async {
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print('Memulai generateEscPosBytes...');
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print('Jumlah item: ${items.length}');
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print('Tanggal transaksi: $transactionDate');
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print('ID kasir: $cashierId');
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print('ID transaksi: $transactionId');
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// Load store info from shared preferences
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final prefs = await SharedPreferences.getInstance();
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final storeName = prefs.getString('store_name') ?? 'TOKO SEMBAKO MURAH';
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final storeAddress = prefs.getString('store_address') ?? 'Jl. Merdeka No. 123';
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final adminName = prefs.getString('admin_name') ?? 'Budi Santoso';
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final adminPhone = prefs.getString('admin_phone') ?? '08123456789';
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final logoPath = prefs.getString('store_logo_path'); // Load logo path
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print('Nama toko: $storeName');
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print('Alamat toko: $storeAddress');
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print('Nama admin: $adminName');
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print('Telepon admin: $adminPhone');
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print('Logo path: $logoPath');
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// Format tanggal
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final dateFormatter = DateFormat('dd/MM/yyyy HH:mm');
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final formattedDate = dateFormatter.format(transactionDate);
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print('Tanggal yang diformat: $formattedDate');
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// Format angka ke rupiah
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String formatRupiah(double amount) {
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final formatter = NumberFormat("#,##0", "id_ID");
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return "Rp ${formatter.format(amount)}";
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}
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// Load capability profile
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final profile = await CapabilityProfile.load();
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final generator = Generator(PaperSize.mm58, profile);
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// Mulai dengan inisialisasi printer
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List<int> bytes = [];
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// Tambahkan logo jika ada path-nya
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if (logoPath != null && logoPath.isNotEmpty) {
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try {
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// Membaca file gambar dari path lokal
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final file = File(logoPath);
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if (await file.exists()) {
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final Uint8List imageBytes = await file.readAsBytes();
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// Decode gambar (format yang didukung: JPEG, PNG)
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final img.Image? image = img.decodeImage(imageBytes);
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if (image != null) {
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bytes += generator.image(image);
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}
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} else {
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throw Exception('File logo tidak ditemukan');
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}
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} catch (e) {
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print('Gagal memuat logo: $e');
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// Jika gagal memuat logo, gunakan teks sebagai fallback
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bytes += generator.text(storeName,
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styles: PosStyles(
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bold: true,
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height: PosTextSize.size1,
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width: PosTextSize.size1,
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align: PosAlign.center,
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));
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}
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} else {
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// Jika tidak ada logo, gunakan nama toko sebagai header
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bytes += generator.text(storeName,
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styles: PosStyles(
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bold: true,
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height: PosTextSize.size1,
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width: PosTextSize.size1,
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align: PosAlign.center,
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));
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}
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bytes += generator.text(storeAddress,
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styles: PosStyles(align: PosAlign.center));
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bytes += generator.text('Admin: $adminName',
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styles: PosStyles(align: PosAlign.center));
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bytes += generator.text('Telp: $adminPhone',
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styles: PosStyles(align: PosAlign.center));
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bytes += generator.text('$formattedDate',
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styles: PosStyles(align: PosAlign.center));
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bytes += generator.feed(1);
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// Garis pemisah
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bytes += generator.text('================================',
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styles: PosStyles(align: PosAlign.center));
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// Informasi transaksi
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bytes += generator.text('Kasir: $cashierId',
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styles: PosStyles(bold: true));
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bytes += generator.text('ID Transaksi: $transactionId',
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styles: PosStyles());
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bytes += generator.feed(1);
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// Garis pemisah
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bytes += generator.text('================================',
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styles: PosStyles(align: PosAlign.center));
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// Tabel item
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bytes += generator.row([
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PosColumn(
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text: 'Item',
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width: 7,
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styles: PosStyles(bold: true, align: PosAlign.left),
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),
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PosColumn(
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text: 'Total',
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width: 5,
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styles: PosStyles(bold: true, align: PosAlign.right),
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),
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]);
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// Item list
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print('Memulai iterasi item...');
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for (int i = 0; i < items.length; i++) {
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var item = items[i];
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print('Item $i: ${item.description}, qty: ${item.quantity}, price: ${item.price}, total: ${item.total}');
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// Untuk item dengan detail kuantitas dan harga
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bytes += generator.row([
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PosColumn(
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text: item.description,
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width: 12,
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styles: PosStyles(align: PosAlign.left),
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),
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]);
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bytes += generator.row([
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PosColumn(
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text: '${item.quantity} x ${formatRupiah(item.price)}',
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width: 7,
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styles: PosStyles(align: PosAlign.left, height: PosTextSize.size1, width: PosTextSize.size1),
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),
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PosColumn(
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text: formatRupiah(item.total),
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width: 5,
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styles: PosStyles(align: PosAlign.right),
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),
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]);
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}
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print('Selesai iterasi item');
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// Garis pemisah sebelum total
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bytes += generator.text('--------------------------------',
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styles: PosStyles(align: PosAlign.center));
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// Total
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final totalAmount = items.fold(0.0, (sum, item) => sum + item.total);
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print('Total amount: $totalAmount');
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bytes += generator.row([
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PosColumn(
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text: 'TOTAL',
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width: 7,
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styles: PosStyles(bold: true, align: PosAlign.left),
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),
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PosColumn(
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text: formatRupiah(totalAmount),
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width: 5,
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styles: PosStyles(bold: true, align: PosAlign.right),
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),
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]);
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// Garis pemisah setelah total
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bytes += generator.text('================================',
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styles: PosStyles(align: PosAlign.center));
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// Memuat teks kustom dari shared preferences
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final customDisclaimer = prefs.getString('store_disclaimer_text') ??
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'Barang yang sudah dibeli tidak dapat dikembalikan/ditukar. '
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'Harap periksa kembali struk belanja Anda sebelum meninggalkan toko.';
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final customThankYou = prefs.getString('thank_you_text') ?? '*** TERIMA KASIH ***';
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final customPantun = prefs.getString('pantun_text') ??
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'Belanja di toko kami, hemat dan nyaman,\n'
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'Dengan penuh semangat, kami siap melayani,\n'
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'Harapan kami, Anda selalu puas,\n'
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'Sampai jumpa lagi, selamat tinggal.';
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// Menambahkan disclaimer
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bytes += generator.feed(1);
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// Memecah disclaimer menjadi beberapa baris jika terlalu panjang
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final disclaimerLines = customDisclaimer.split(' ');
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final List<String> wrappedDisclaimer = [];
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String currentLine = '';
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for (final word in disclaimerLines) {
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if ((currentLine + word).length > 32) {
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wrappedDisclaimer.add(currentLine.trim());
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currentLine = word + ' ';
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} else {
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currentLine += word + ' ';
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}
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}
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if (currentLine.trim().isNotEmpty) {
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wrappedDisclaimer.add(currentLine.trim());
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}
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for (final line in wrappedDisclaimer) {
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bytes += generator.text(line,
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styles: PosStyles(align: PosAlign.center));
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}
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// Menambahkan ucapan terima kasih
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bytes += generator.feed(1);
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bytes += generator.text(customThankYou,
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styles: PosStyles(align: PosAlign.center, bold: true));
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// Menambahkan pantun
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bytes += generator.feed(1);
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final pantunLines = customPantun.split('\n');
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for (final line in pantunLines) {
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bytes += generator.text(line,
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styles: PosStyles(align: PosAlign.center));
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}
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// Spasi di akhir dan pemotongan kertas
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bytes += generator.feed(2);
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bytes += generator.cut();
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print('Jumlah byte yang dihasilkan: ${bytes.length}');
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return bytes;
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}
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}
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:path_provider/path_provider.dart';
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import 'dart:io';
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import 'package:flutter/services.dart' show rootBundle;
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/// Fungsi untuk menyimpan path logo toko ke shared preferences
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Future<void> saveStoreLogoPath(String logoPath) async {
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final prefs = await SharedPreferences.getInstance();
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await prefs.setString('store_logo_path', logoPath);
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}
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/// Fungsi untuk menghapus path logo toko dari shared preferences
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Future<void> removeStoreLogoPath() async {
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final prefs = await SharedPreferences.getInstance();
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await prefs.remove('store_logo_path');
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}
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/// Fungsi untuk mengambil path logo toko dari shared preferences
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Future<String?> getStoreLogoPath() async {
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final prefs = await SharedPreferences.getInstance();
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return prefs.getString('store_logo_path');
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}
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/// Fungsi untuk menyalin logo dari asset ke direktori dokumen aplikasi
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/// dan menyimpan path-nya ke shared preferences
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Future<void> copyAndSaveStoreLogoFromAsset(String assetPath) async {
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try {
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// Dapatkan direktori dokumen aplikasi
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final dir = await getApplicationDocumentsDirectory();
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final logoDir = Directory('${dir.path}/logos');
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// Buat direktori jika belum ada
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if (!await logoDir.exists()) {
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await logoDir.create(recursive: true);
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}
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// Path file logo di direktori dokumen
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final logoFile = File('${logoDir.path}/store_logo.png');
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// Baca data dari asset
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final data = await rootBundle.load(assetPath);
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// Tulis data ke file di direktori dokumen
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await logoFile.writeAsBytes(data.buffer.asUint8List(data.offsetInBytes, data.lengthInBytes));
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// Simpan path ke shared preferences
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await saveStoreLogoPath(logoFile.path);
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} catch (e) {
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print('Error copying logo from asset: $e');
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// Jika gagal, hapus path yang mungkin tersimpan
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await removeStoreLogoPath();
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}
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}
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