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kulakpos_app/lib/thermal priting invoices/thermal_invoice_sales.dart

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first commit
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import 'package:esc_pos_utils_plus/esc_pos_utils_plus.dart';
import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:image/image.dart' as img;
import 'package:intl/intl.dart';
import 'package:mobile_pos/Const/lalnguage_data.dart';
import 'package:mobile_pos/service/thermal_print/src/templates/_sale_invoice_template.dart';
import 'package:mobile_pos/service/thermal_print/src/templates/templates.dart';
import 'package:nb_utils/nb_utils.dart';
import 'package:print_bluetooth_thermal/print_bluetooth_thermal.dart';
import '../Const/api_config.dart';
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import '../Screens/Products/Model/product_model.dart';
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import '../Screens/Products/add product/modle/create_product_model.dart';
import '../constant.dart';
import '../model/sale_transaction_model.dart';
import 'model/print_transaction_model.dart';
import 'network_image.dart';
import 'package:mobile_pos/generated/l10n.dart' as lang;
class SalesThermalPrinterInvoice {
///________Sales____________________
Future<void> printSalesTicket(
{required PrintSalesTransactionModel printTransactionModel,
required List<SalesDetails>? productList,
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List<Product>? products,
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required BuildContext context}) async {
bool? isConnected = await PrintBluetoothThermal.connectionStatus;
bool defould = (printTransactionModel.personalInformationModel.data?.invoiceLanguage == 'english' ||
printTransactionModel.personalInformationModel.data?.invoiceLanguage == null)
? true
: false;
if (isConnected == true) {
List<int> bytes = [];
final is80mm = printTransactionModel.personalInformationModel.data?.invoiceSize == '3_inch_80mm' &&
printTransactionModel.personalInformationModel.data?.invoiceSize != null;
if (defould) {
bytes = is80mm
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? await getSalesTicket80mm(
printTransactionModel: printTransactionModel, productList: productList, products: products)
: await getSalesTicket58mm(
printTransactionModel: printTransactionModel, productList: productList, products: products);
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} else {
final bool isRTL = rtlLang.contains(await getLanguageName());
SaleThermalInvoiceTemplate template = SaleThermalInvoiceTemplate(
context: context,
business: printTransactionModel.personalInformationModel,
is58mm: !is80mm,
isRTL: isRTL,
saleInvoice: printTransactionModel.transitionModel!);
bytes = await template.template;
}
if (printTransactionModel.transitionModel?.salesDetails?.isNotEmpty ?? false) {
await PrintBluetoothThermal.writeBytes(bytes);
EasyLoading.showSuccess('Successfully Printed');
} else {
toast('No Product Found');
}
} else {
EasyLoading.showError('Unable to connect with printer');
}
}
Future<List<int>> getSalesTicket58mm(
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{required PrintSalesTransactionModel printTransactionModel,
required List<SalesDetails>? productList,
List<Product>? products}) async {
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List<DateTime> returnedDates = [];
String productName({required num detailsId}) {
final details = productList?[productList.indexWhere((element) => element.id == detailsId)];
return "${details?.product?.productName}${details?.product?.productType == ProductType.variant.name ? ' [${details?.stock?.batchNo ?? ""}]' : ''}";
return productList!.where((element) => element.id == detailsId).first.product?.productName ?? '';
}
num getProductQuantity({required num detailsId}) {
num totalQuantity = productList!.where((element) => element.id == detailsId).first.quantities ?? 0;
if (printTransactionModel.transitionModel?.salesReturns?.isNotEmpty ?? false) {
for (var returns in printTransactionModel.transitionModel!.salesReturns!) {
if (returns.salesReturnDetails?.isNotEmpty ?? false) {
for (var details in returns.salesReturnDetails!) {
if (details.saleDetailId == detailsId) {
totalQuantity += details.returnQty ?? 0;
}
}
}
}
}
return totalQuantity;
}
num getTotalForOldInvoice() {
num total = 0;
for (var element in productList!) {
total += ((element.price ?? 0) * getProductQuantity(detailsId: element.id ?? 0)) -
((element.discount ?? 0) * getProductQuantity(detailsId: element.id ?? 0));
}
return total;
}
num productPrice({required num detailsId}) {
return productList!.where((element) => element.id == detailsId).first.price ?? 0;
}
String getTotalReturndAmount() {
num totalReturn = 0;
if (printTransactionModel.transitionModel?.salesReturns?.isNotEmpty ?? false) {
for (var returns in printTransactionModel.transitionModel!.salesReturns!) {
if (returns.salesReturnDetails?.isNotEmpty ?? false) {
for (var details in returns.salesReturnDetails!) {
totalReturn += details.returnAmount ?? 0;
}
}
}
}
return totalReturn.toStringAsFixed(2);
}
num getReturndDiscountAmount() {
num totalReturnDiscount = 0;
if (printTransactionModel.transitionModel?.salesReturns?.isNotEmpty ?? false) {
for (var returns in printTransactionModel.transitionModel!.salesReturns!) {
if (returns.salesReturnDetails?.isNotEmpty ?? false) {
for (var details in returns.salesReturnDetails!) {
totalReturnDiscount += ((productPrice(detailsId: details.saleDetailId ?? 0) * (details.returnQty ?? 0)) -
((details.returnAmount ?? 0)));
}
}
}
}
return totalReturnDiscount;
}
//qr code
final _qrlogo = await getNetworkImage(
"${APIConfig.domain}${printTransactionModel.personalInformationModel.data?.invoiceScannerLogo}");
//--------total per item discount-------------------------
num getTotalItemDiscount() {
num totalDiscount = 0;
for (var element in printTransactionModel.transitionModel!.salesDetails!) {
totalDiscount += (element.discount ?? 0) * getProductQuantity(detailsId: element.id ?? 0);
}
return totalDiscount;
}
final transactions = printTransactionModel.transitionModel!.transactions ?? [];
List<String> paymentLabels = [];
for (var item in transactions) {
String label;
switch (item.transactionType) {
case 'cash_payment':
label = 'Cash';
break;
case 'cheque_payment':
label = 'Cheque';
break;
case 'wallet_payment':
label = 'Wallet';
break;
default:
label = item.paymentType?.name ?? 'n/a';
}
paymentLabels.add(label);
}
final paidViaText = "Paid Via : ${paymentLabels.join(', ')}";
List<int> bytes = [];
final _logo = await getNetworkImage(
"${APIConfig.domain}${printTransactionModel.personalInformationModel.data?.thermalInvoiceLogo}");
CapabilityProfile profile = await CapabilityProfile.load();
final generator = Generator(PaperSize.mm58, profile);
///____________Image__________________________________
if (_logo != null && printTransactionModel.personalInformationModel.data?.showThermalInvoiceLogo == 1) {
final img.Image resized = img.copyResize(
_logo,
width: 184,
);
final img.Image grayscale = img.grayscale(resized);
bytes += generator.imageRaster(grayscale, imageFn: PosImageFn.bitImageRaster);
}
///____________Header_____________________________________
if (printTransactionModel.personalInformationModel.data?.meta?.showCompanyName == 1) {
bytes += generator.text(printTransactionModel.personalInformationModel.data?.companyName ?? '',
styles: const PosStyles(
align: PosAlign.center,
height: PosTextSize.size2,
width: PosTextSize.size2,
),
linesAfter: 1);
}
if (_logo != null) bytes += generator.text(' ');
if (printTransactionModel.transitionModel?.branch?.name != null) {
bytes += generator.text('Branch: ${printTransactionModel.transitionModel?.branch?.name ?? ''}',
styles: const PosStyles(align: PosAlign.center));
}
bytes += generator.text(
'Seller :${printTransactionModel.transitionModel?.user?.role == "shop-owner" ? 'Admin' : printTransactionModel.transitionModel!.user?.name}',
styles: const PosStyles(align: PosAlign.center));
if (printTransactionModel.transitionModel?.branch?.address != null ||
printTransactionModel.personalInformationModel.data?.address != null) {
bytes += generator.text(
printTransactionModel.transitionModel?.branch?.address ??
printTransactionModel.personalInformationModel.data?.address ??
'',
styles: const PosStyles(align: PosAlign.center));
}
if (printTransactionModel.personalInformationModel.data?.meta?.showVat == 1) {
if (printTransactionModel.personalInformationModel.data?.vatNo != null &&
printTransactionModel.personalInformationModel.data?.meta?.showVat == 1) {
bytes += generator.text(
"${printTransactionModel.personalInformationModel.data?.vatName ?? 'VAT No :'}${printTransactionModel.personalInformationModel.data?.vatNo ?? ''}",
styles: const PosStyles(align: PosAlign.center));
}
}
if (printTransactionModel.personalInformationModel.data?.meta?.showPhoneNumber == 1) {
if (printTransactionModel.transitionModel?.branch?.phone != null ||
printTransactionModel.personalInformationModel.data?.phoneNumber != null) {
bytes += generator.text(
'Tel: ${printTransactionModel.transitionModel?.branch?.phone ?? printTransactionModel.personalInformationModel.data?.phoneNumber ?? ''}',
styles: const PosStyles(align: PosAlign.center));
}
}
bytes += generator.emptyLines(1);
bytes += generator.text('INVOICE',
styles: const PosStyles(
underline: true,
align: PosAlign.center,
height: PosTextSize.size2,
width: PosTextSize.size2,
),
linesAfter: 1);
bytes += generator.text('Name: ${printTransactionModel.transitionModel?.party?.name ?? 'Guest'}',
styles: const PosStyles(align: PosAlign.left));
bytes += generator.text('mobile: ${printTransactionModel.transitionModel?.party?.phone ?? 'Not Provided'}',
styles: const PosStyles(align: PosAlign.left));
// bytes += generator.text('Sales By: ${printTransactionModel.transitionModel?.user?.name ?? 'Not Provided'}', styles: const PosStyles(align: PosAlign.left));
bytes += generator.text('Invoice: ${printTransactionModel.transitionModel?.invoiceNumber ?? 'Not Provided'}',
styles: const PosStyles(align: PosAlign.left));
if (printTransactionModel.transitionModel?.saleDate != null) {
DateTime saleDate = DateTime.parse(printTransactionModel.transitionModel!.saleDate!);
String formattedDate = DateFormat('M/d/yyyy h:mm a').format(saleDate);
bytes += generator.text(
'Date: $formattedDate',
styles: const PosStyles(align: PosAlign.left),
linesAfter: 1,
);
}
bytes += generator.row([
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PosColumn(text: 'Item', width: 4, styles: const PosStyles(align: PosAlign.left, bold: true)),
PosColumn(text: 'Qt', width: 1, styles: const PosStyles(align: PosAlign.center, bold: true)),
PosColumn(text: 'Price', width: 3, styles: const PosStyles(align: PosAlign.center, bold: true)),
PosColumn(text: '%', width: 1, styles: const PosStyles(align: PosAlign.center, bold: true)),
PosColumn(text: 'Amount', width: 3, styles: const PosStyles(align: PosAlign.right, bold: true)),
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]);
bytes += generator.hr();
List.generate(productList?.length ?? 1, (index) {
final warrantyInfo = printTransactionModel.transitionModel?.salesDetails?[index].warrantyInfo;
final warranty = (warrantyInfo?.warrantyDuration != null && warrantyInfo?.warrantyUnit != null)
? "Warranty : ${warrantyInfo?.warrantyDuration} ${warrantyInfo?.warrantyUnit}"
: "";
final guarantee = (warrantyInfo?.guaranteeDuration != null && warrantyInfo?.guaranteeUnit != null)
? "Guarantee : ${warrantyInfo?.guaranteeDuration} ${warrantyInfo?.guaranteeUnit}"
: "";
final name = "${productList?[index].product?.productName ?? ''}"
"${productList?[index].product?.productType == ProductType.variant.name ? ' [${productList?[index].stock?.batchNo ?? ''}]' : ''}";
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final double qty = getProductQuantity(detailsId: productList?[index].id ?? 0).toDouble();
final double price = num.tryParse(productList?[index].price.toString() ?? '0')?.toDouble() ?? 0;
final double discount = num.tryParse(productList?[index].discount.toString() ?? '0')?.toDouble() ?? 0;
final product = products?.firstWhere((element) => element.id == productList?[index].productId,
orElse: () => Product());
final double vatPercent = num.tryParse(product?.vat?.rate.toString() ?? '0')?.toDouble() ?? 0;
final double amountExVat = (price * qty) - (discount * qty);
final double vatAmount = (amountExVat * vatPercent) / 100;
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bytes += generator.row([
PosColumn(
text: name,
width: 4,
styles: const PosStyles(
align: PosAlign.left,
),
),
PosColumn(
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text: formatPointNumber(qty),
uabh perhitungan tax
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width: 1,
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styles: const PosStyles(align: PosAlign.center),
),
PosColumn(
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text: formatPointNumber(price),
width: 3,
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styles: const PosStyles(align: PosAlign.center),
),
PosColumn(
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text: "${vatPercent % 1 == 0 ? vatPercent.toInt() : vatPercent}",
width: 1,
styles: const PosStyles(align: PosAlign.center),
),
PosColumn(
text: formatPointNumber(amountExVat),
width: 3,
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styles: const PosStyles(align: PosAlign.right),
),
]);
if (warranty.isNotEmpty) {
bytes += generator.row([
PosColumn(
text: '$warranty ',
width: 4,
styles: const PosStyles(
align: PosAlign.left,
),
),
PosColumn(text: "", width: 2),
PosColumn(text: "", width: 3),
PosColumn(text: "", width: 3),
]);
}
if (guarantee.isNotEmpty) {
bytes += generator.row([
PosColumn(
text: '$guarantee ',
width: 4,
styles: const PosStyles(
align: PosAlign.left,
),
),
PosColumn(text: "", width: 2),
PosColumn(text: "", width: 3),
PosColumn(text: "", width: 3),
]);
}
return bytes;
});
bytes += generator.hr();
bytes += generator.row([
PosColumn(
text: 'Sub-total',
width: 8,
styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
text: formatPointNumber(getTotalForOldInvoice(), addComma: true),
width: 4,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
bytes += generator.row([
PosColumn(
text: 'Discount',
width: 8,
styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
text: formatPointNumber((printTransactionModel.transitionModel?.discountAmount ?? 0) +
getReturndDiscountAmount() +
getTotalItemDiscount()),
width: 4,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
bytes += generator.row([
PosColumn(
text: printTransactionModel.transitionModel?.vat?.name ?? 'VAT',
width: 8,
styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
text: '${printTransactionModel.transitionModel?.vatAmount ?? 0}',
width: 4,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
bytes += generator.row([
PosColumn(
text: 'Shipping Charge',
width: 8,
styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
text: '${printTransactionModel.transitionModel?.shippingCharge ?? 0}',
width: 4,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
if (printTransactionModel.transitionModel?.roundingAmount != 0) {
bytes += generator.row([
PosColumn(
text: 'Total',
width: 8,
styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
text: (formatPointNumber(printTransactionModel.transitionModel?.actualTotalAmount ?? 0)),
width: 4,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
bytes += generator.row([
PosColumn(
text: 'Rounding',
width: 8,
styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
text:
("${!(printTransactionModel.transitionModel?.roundingAmount?.isNegative ?? true) ? '+' : ''}${formatPointNumber(printTransactionModel.transitionModel?.roundingAmount ?? 0)}"),
width: 4,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
}
///_____Return_table_______________________________
if (printTransactionModel.transitionModel?.salesReturns?.isNotEmpty ?? false) {
List.generate(printTransactionModel.transitionModel?.salesReturns?.length ?? 0, (i) {
bytes += generator.hr();
if (!returnedDates.any((element) => element.isAtSameMomentAs(DateTime.tryParse(
printTransactionModel.transitionModel?.salesReturns?[i].returnDate?.substring(0, 10) ?? '') ??
DateTime.now()))) {
bytes += generator.row([
PosColumn(
text:
'Return-${DateFormat.yMd().format(DateTime.parse(printTransactionModel.transitionModel?.salesReturns?[i].returnDate ?? DateTime.now().toString()))}',
width: 7,
styles: const PosStyles(align: PosAlign.left, bold: true)),
PosColumn(text: 'Qty', width: 2, styles: const PosStyles(align: PosAlign.center, bold: true)),
PosColumn(text: 'Total', width: 3, styles: const PosStyles(align: PosAlign.right, bold: true)),
]);
bytes += generator.hr();
}
List.generate(printTransactionModel.transitionModel?.salesReturns?[i].salesReturnDetails?.length ?? 0, (index) {
returnedDates.add(DateTime.tryParse(
printTransactionModel.transitionModel?.salesReturns?[i].returnDate?.substring(0, 10) ?? '') ??
DateTime.now());
final product = printTransactionModel.transitionModel?.salesReturns?[i].salesReturnDetails?[index];
return bytes += generator.row([
PosColumn(
text: productName(detailsId: product?.saleDetailId ?? 0),
width: 7,
styles: const PosStyles(align: PosAlign.left)),
PosColumn(
text: product?.returnQty.toString() ?? 'Not Defined',
width: 2,
styles: const PosStyles(align: PosAlign.center)),
PosColumn(
text: "${(product?.returnAmount ?? 0)}", width: 3, styles: const PosStyles(align: PosAlign.right)),
]);
});
//
});
}
bytes += generator.hr();
///_____Total Returned Amount_______________________________
if (printTransactionModel.transitionModel?.salesReturns?.isNotEmpty ?? false) {
bytes += generator.row([
PosColumn(
text: 'Returned Amount',
width: 8,
styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
text: getTotalReturndAmount(),
width: 4,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
}
bytes += generator.row([
PosColumn(text: 'Total Payable', width: 8, styles: const PosStyles(align: PosAlign.left, bold: true)),
PosColumn(
text: printTransactionModel.transitionModel?.totalAmount.toString() ?? '',
width: 4,
styles: const PosStyles(align: PosAlign.right, bold: true)),
]);
bytes += generator.row([
PosColumn(
text: 'Paid Amount',
width: 8,
styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
text: formatPointNumber(((printTransactionModel.transitionModel?.totalAmount ?? 0) -
(printTransactionModel.transitionModel?.dueAmount ?? 0)) +
(printTransactionModel.transitionModel?.changeAmount ?? 0)),
width: 4,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
if ((printTransactionModel.transitionModel?.dueAmount ?? 0) > 0) {
bytes += generator.row([
PosColumn(
text: 'Due Amount',
width: 8,
styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
text: formatPointNumber(printTransactionModel.transitionModel?.dueAmount ?? 0),
width: 4,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
}
if ((printTransactionModel.transitionModel?.changeAmount ?? 0) > 0) {
bytes += generator.row([
PosColumn(
text: 'Change Amount',
width: 8,
styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
text: formatPointNumber(printTransactionModel.transitionModel?.changeAmount ?? 0),
width: 4,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
}
bytes += generator.hr();
bytes += generator.text(
paidViaText,
styles: const PosStyles(
align: PosAlign.left,
),
linesAfter: 1,
);
if (printTransactionModel.personalInformationModel.data?.gratitudeMessage != null &&
printTransactionModel.personalInformationModel.data?.showGratitudeMsg == 1) {
bytes += generator.text(printTransactionModel.personalInformationModel.data?.gratitudeMessage ?? '',
styles: const PosStyles(align: PosAlign.center, bold: true));
}
bytes += generator.text(printTransactionModel.transitionModel!.saleDate ?? '',
styles: const PosStyles(align: PosAlign.center), linesAfter: 1);
if ((printTransactionModel.personalInformationModel.data?.invoiceNoteLevel != null ||
printTransactionModel.personalInformationModel.data?.invoiceNote != null) &&
printTransactionModel.personalInformationModel.data?.showNote == 1) {
bytes += generator.text(
'${printTransactionModel.personalInformationModel.data?.invoiceNoteLevel ?? ''}: ${printTransactionModel.personalInformationModel.data?.invoiceNote ?? ''}',
styles: const PosStyles(align: PosAlign.left, bold: false),
linesAfter: 1,
);
}
if (printTransactionModel.personalInformationModel.data?.showInvoiceScannerLogo == 1) {
if (_qrlogo != null) {
final img.Image resized = img.copyResize(
_qrlogo,
width: 120,
height: 120,
);
final img.Image grayscale = img.grayscale(resized);
bytes += generator.imageRaster(grayscale, imageFn: PosImageFn.bitImageRaster);
}
}
if (printTransactionModel.personalInformationModel.data?.developByLevel != null ||
printTransactionModel.personalInformationModel.data?.developBy != null) {
bytes += generator.text(
'${printTransactionModel.personalInformationModel.data?.developByLevel ?? ''}: ${printTransactionModel.personalInformationModel.data?.developBy ?? ''}',
styles: const PosStyles(align: PosAlign.center),
linesAfter: 1);
}
bytes += generator.cut();
return bytes;
}
Future<List<int>> getSalesTicket80mm(
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{required PrintSalesTransactionModel printTransactionModel,
required List<SalesDetails>? productList,
List<Product>? products}) async {
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List<DateTime> returnedDates = [];
String productName({required num detailsId}) {
final details = productList?[productList.indexWhere((element) => element.id == detailsId)];
return "${details?.product?.productName}${details?.product?.productType == ProductType.variant.name ? ' [${details?.stock?.batchNo ?? ""}]' : ''}";
}
num getProductQuantity({required num detailsId}) {
num totalQuantity = productList!.where((element) => element.id == detailsId).first.quantities ?? 0;
if (printTransactionModel.transitionModel?.salesReturns?.isNotEmpty ?? false) {
for (var returns in printTransactionModel.transitionModel!.salesReturns!) {
if (returns.salesReturnDetails?.isNotEmpty ?? false) {
for (var details in returns.salesReturnDetails!) {
if (details.saleDetailId == detailsId) {
totalQuantity += details.returnQty ?? 0;
}
}
}
}
}
return totalQuantity;
}
//--------total per item discount-------------------------
num getTotalItemDiscount() {
num totalDiscount = 0;
for (var element in printTransactionModel.transitionModel!.salesDetails!) {
totalDiscount += (element.discount ?? 0) * getProductQuantity(detailsId: element.id ?? 0);
}
return totalDiscount;
}
final transactions = printTransactionModel.transitionModel!.transactions ?? [];
List<String> paymentLabels = [];
for (var item in transactions) {
String label;
switch (item.transactionType) {
case 'cash_payment':
label = 'Cash';
break;
case 'cheque_payment':
label = 'Cheque';
break;
case 'wallet_payment':
label = 'Wallet';
break;
default:
label = item.paymentType?.name ?? 'n/a';
}
paymentLabels.add(label);
}
final paidViaText = "Paid Via : ${paymentLabels.join(', ')}";
num getTotalForOldInvoice() {
num total = 0;
for (var element in productList!) {
total += ((element.price ?? 0) * getProductQuantity(detailsId: element.id ?? 0) -
((element.discount ?? 0) * getProductQuantity(detailsId: element.id ?? 0)));
}
return total;
}
num productPrice({required num detailsId}) {
return productList!.where((element) => element.id == detailsId).first.price ?? 0;
}
num getTotalReturndAmount() {
num totalReturn = 0;
if (printTransactionModel.transitionModel?.salesReturns?.isNotEmpty ?? false) {
for (var returns in printTransactionModel.transitionModel!.salesReturns!) {
if (returns.salesReturnDetails?.isNotEmpty ?? false) {
for (var details in returns.salesReturnDetails!) {
totalReturn += details.returnAmount ?? 0;
}
}
}
}
return totalReturn;
}
num getReturndDiscountAmount() {
num totalReturnDiscount = 0;
if (printTransactionModel.transitionModel?.salesReturns?.isNotEmpty ?? false) {
for (var returns in printTransactionModel.transitionModel!.salesReturns!) {
if (returns.salesReturnDetails?.isNotEmpty ?? false) {
for (var details in returns.salesReturnDetails!) {
totalReturnDiscount += ((productPrice(detailsId: details.saleDetailId ?? 0) * (details.returnQty ?? 0)) -
((details.returnAmount ?? 0)));
}
}
}
}
return totalReturnDiscount;
}
List<int> bytes = [];
final _logo = await getNetworkImage(
"${APIConfig.domain}${printTransactionModel.personalInformationModel.data?.thermalInvoiceLogo}");
//qr code
final _qrlogo = await getNetworkImage(
"${APIConfig.domain}${printTransactionModel.personalInformationModel.data?.invoiceScannerLogo}");
CapabilityProfile profile = await CapabilityProfile.load();
final generator = Generator(PaperSize.mm80, profile);
///____________Image__________________________________
if (printTransactionModel.personalInformationModel.data?.showThermalInvoiceLogo == 1) {
if (_logo != null) {
final img.Image resized = img.copyResize(
_logo,
width: 184,
);
final img.Image grayscale = img.grayscale(resized);
bytes += generator.imageRaster(grayscale, imageFn: PosImageFn.bitImageRaster);
}
}
///____________Header_____________________________________
if (printTransactionModel.personalInformationModel.data?.meta?.showCompanyName == 1) {
bytes += generator.text(printTransactionModel.personalInformationModel.data?.companyName ?? '',
styles: const PosStyles(
align: PosAlign.center,
height: PosTextSize.size2,
width: PosTextSize.size2,
),
linesAfter: 1);
}
if (printTransactionModel.transitionModel?.branch?.name != null) {
bytes += generator.text('Branch: ${printTransactionModel.transitionModel?.branch?.name ?? ''}',
styles: const PosStyles(align: PosAlign.center));
}
if (printTransactionModel.personalInformationModel.data?.meta?.showAddress == 1) {
if (printTransactionModel.transitionModel?.branch?.address != null ||
printTransactionModel.personalInformationModel.data?.address != null) {
bytes += generator.text(
'Address: ${printTransactionModel.transitionModel?.branch?.address ?? printTransactionModel.personalInformationModel.data?.address ?? ''}',
styles: const PosStyles(align: PosAlign.center));
}
}
if (printTransactionModel.personalInformationModel.data?.meta?.showPhoneNumber == 1) {
if (printTransactionModel.transitionModel?.branch?.phone != null ||
printTransactionModel.personalInformationModel.data?.phoneNumber != null) {
bytes += generator.text(
'Mobile: ${printTransactionModel.transitionModel?.branch?.phone ?? printTransactionModel.personalInformationModel.data?.phoneNumber ?? ''}',
styles: const PosStyles(align: PosAlign.center));
}
}
if (printTransactionModel.personalInformationModel.data?.meta?.showVat == 1) {
if (printTransactionModel.personalInformationModel.data?.vatNo != null &&
printTransactionModel.personalInformationModel.data?.meta?.showVat == 1) {
bytes += generator.text(
"${printTransactionModel.personalInformationModel.data?.vatName ?? 'VAT No'}: ${printTransactionModel.personalInformationModel.data?.vatNo}",
styles: const PosStyles(align: PosAlign.center));
}
}
bytes += generator.emptyLines(1);
bytes += generator.text('INVOICE',
styles: const PosStyles(
bold: true,
underline: true,
align: PosAlign.center,
height: PosTextSize.size2,
width: PosTextSize.size2,
),
linesAfter: 1);
///__________Customer_and_time_section_______________________
bytes += generator.row([
PosColumn(
text: 'Invoice: ${printTransactionModel.transitionModel?.invoiceNumber ?? 'Not Provided'}',
width: 6,
styles: const PosStyles(align: PosAlign.left)),
PosColumn(
text:
'Date: ${DateFormat.yMd().format(DateTime.parse(printTransactionModel.transitionModel?.saleDate ?? DateTime.now().toString()))}',
width: 6,
styles: const PosStyles(align: PosAlign.right)),
]);
bytes += generator.row([
PosColumn(
text: 'Name: ${printTransactionModel.transitionModel?.party?.name ?? ''}',
width: 6,
styles: const PosStyles(align: PosAlign.left)),
PosColumn(
text:
'Time: ${DateFormat.jm().format(DateTime.parse(printTransactionModel.transitionModel?.saleDate ?? DateTime.now().toString()))}',
width: 6,
styles: const PosStyles(align: PosAlign.right)),
]);
bytes += generator.row([
PosColumn(
text: 'Mobile: ${printTransactionModel.transitionModel?.party?.phone ?? ''}',
width: 6,
styles: const PosStyles(align: PosAlign.left)),
PosColumn(
text:
'Sales By: ${printTransactionModel.transitionModel?.user?.role == "shop-owner" ? 'Admin' : printTransactionModel.transitionModel!.user?.name}',
width: 6,
styles: const PosStyles(align: PosAlign.right)),
]);
bytes += generator.emptyLines(1);
///____________Products_Section_________________________________
bytes += generator.row([
update struk
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PosColumn(text: 'Item', width: 1, styles: const PosStyles(align: PosAlign.left, bold: true)),
PosColumn(text: 'Qt', width: 1, styles: const PosStyles(align: PosAlign.center, bold: true)),
PosColumn(text: 'Price', width: 2, styles: const PosStyles(align: PosAlign.center, bold: true)),
PosColumn(text: '%', width: 2, styles: const PosStyles(align: PosAlign.center, bold: true)),
PosColumn(text: 'Amount(Ex Vat)', width: 3, styles: const PosStyles(align: PosAlign.right, bold: true)),
first commit
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]);
bytes += generator.hr();
List.generate(productList?.length ?? 1, (index) {
final warrantyInfo = printTransactionModel.transitionModel?.salesDetails?[index].warrantyInfo;
final warranty = (warrantyInfo?.warrantyDuration != null && warrantyInfo?.warrantyUnit != null)
? "Warranty : ${warrantyInfo?.warrantyDuration} ${warrantyInfo?.warrantyUnit}"
: "";
final guarantee = (warrantyInfo?.guaranteeDuration != null && warrantyInfo?.guaranteeUnit != null)
? "Guarantee : ${warrantyInfo?.guaranteeDuration} ${warrantyInfo?.guaranteeUnit}"
: "";
final name = "${productList?[index].product?.productName ?? ''}"
"${productList?[index].product?.productType == ProductType.variant.name ? ' [${productList?[index].stock?.batchNo ?? ''}]' : ''}";
update struk
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final double qty = getProductQuantity(detailsId: productList?[index].id ?? 0).toDouble();
final double price = num.tryParse(productList?[index].price.toString() ?? '0')?.toDouble() ?? 0;
final double discount = num.tryParse(productList?[index].discount.toString() ?? '0')?.toDouble() ?? 0;
final product = products?.firstWhere((element) => element.id == productList?[index].productId,
orElse: () => Product());
final double vatPercent = num.tryParse(product?.vat?.rate.toString() ?? '0')?.toDouble() ?? 0;
final double amountExVat = (price * qty) - (discount * qty);
final double vatAmount = (amountExVat * vatPercent) / 100;
first commit
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bytes += generator.row([
PosColumn(
text:
"${productList?[index].product?.productName ?? ''}${productList?[index].product?.productType == ProductType.variant.name ? ' [${productList?[index].stock?.batchNo ?? ''}]' : ''}",
update struk
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width: 1,
first commit
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styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
update struk
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text: formatPointNumber(qty, addComma: true),
uabh perhitungan tax
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width: 1,
first commit
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styles: const PosStyles(align: PosAlign.center)),
PosColumn(
update struk
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text: formatPointNumber(price, addComma: true),
width: 2,
styles: const PosStyles(
align: PosAlign.center,
)),
PosColumn(
text: "${vatPercent % 1 == 0 ? vatPercent.toInt() : vatPercent}",
first commit
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width: 2,
styles: const PosStyles(
align: PosAlign.center,
)),
PosColumn(
update struk
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text: formatPointNumber(amountExVat, addComma: true),
uabh perhitungan tax
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width: 3,
first commit
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styles: const PosStyles(align: PosAlign.right)),
]);
if (warranty.isNotEmpty) {
bytes += generator.row([
PosColumn(
text: '$warranty ',
width: 4,
styles: const PosStyles(
align: PosAlign.left,
fontType: PosFontType.fontB,
),
),
PosColumn(text: "", width: 2),
PosColumn(text: "", width: 3),
PosColumn(text: "", width: 3),
]);
}
if (guarantee.isNotEmpty) {
bytes += generator.row([
PosColumn(
text: '$guarantee ',
width: 4,
styles: const PosStyles(
align: PosAlign.left,
fontType: PosFontType.fontB,
),
),
PosColumn(text: "", width: 2),
PosColumn(text: "", width: 3),
PosColumn(text: "", width: 3),
]);
}
return bytes;
});
bytes += generator.hr();
bytes += generator.row([
PosColumn(
text: 'Sub-total:',
width: 9,
styles: const PosStyles(
align: PosAlign.right,
)),
PosColumn(
text: formatPointNumber(getTotalForOldInvoice(), addComma: true),
width: 3,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
bytes += generator.row([
PosColumn(
text: 'Discount:',
width: 9,
styles: const PosStyles(
align: PosAlign.right,
)),
PosColumn(
text: formatPointNumber(
(printTransactionModel.transitionModel?.discountAmount ?? 0) +
getReturndDiscountAmount() +
getTotalItemDiscount(),
addComma: true),
width: 3,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
bytes += generator.row([
PosColumn(
text: '${printTransactionModel.transitionModel?.vat?.name ?? 'VAT'}:',
width: 9,
styles: const PosStyles(
align: PosAlign.right,
)),
PosColumn(
text: formatPointNumber(printTransactionModel.transitionModel?.vatAmount ?? 0, addComma: true),
width: 3,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
bytes += generator.row([
PosColumn(
text: 'Shipping Charge:',
width: 9,
styles: const PosStyles(
align: PosAlign.right,
)),
PosColumn(
text: formatPointNumber(printTransactionModel.transitionModel?.shippingCharge ?? 0, addComma: true),
width: 3,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
if (printTransactionModel.transitionModel?.roundingAmount != 0) {
bytes += generator.row([
PosColumn(
text: 'Total:',
width: 9,
styles: const PosStyles(
align: PosAlign.right,
)),
PosColumn(
text: (formatPointNumber(printTransactionModel.transitionModel?.actualTotalAmount ?? 0, addComma: true)),
width: 3,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
bytes += generator.row([
PosColumn(
text: 'Rounding:',
width: 9,
styles: const PosStyles(
align: PosAlign.right,
)),
PosColumn(
text:
("${!(printTransactionModel.transitionModel?.roundingAmount?.isNegative ?? true) ? '+' : ''}${formatPointNumber(printTransactionModel.transitionModel?.roundingAmount ?? 0, addComma: true)}"),
width: 3,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
}
///_____Return_table_______________________________
if (printTransactionModel.transitionModel?.salesReturns?.isNotEmpty ?? false) {
List.generate(printTransactionModel.transitionModel?.salesReturns?.length ?? 0, (i) {
bytes += generator.hr();
if (!returnedDates.any((element) => element.isAtSameMomentAs(DateTime.tryParse(
printTransactionModel.transitionModel?.salesReturns?[i].returnDate?.substring(0, 10) ?? '') ??
DateTime.now()))) {
bytes += generator.row([
PosColumn(text: 'SL', width: 1, styles: const PosStyles(align: PosAlign.left, bold: true)),
PosColumn(
text:
'Return-${DateFormat.yMd().format(DateTime.parse(printTransactionModel.transitionModel?.salesReturns?[i].returnDate ?? DateTime.now().toString()))}',
width: 6,
styles: const PosStyles(align: PosAlign.left, bold: true)),
PosColumn(text: 'Qty', width: 2, styles: const PosStyles(align: PosAlign.center, bold: true)),
PosColumn(text: 'Total', width: 3, styles: const PosStyles(align: PosAlign.right, bold: true)),
]);
bytes += generator.hr();
}
List.generate(printTransactionModel.transitionModel?.salesReturns?[i].salesReturnDetails?.length ?? 0, (index) {
returnedDates.add(DateTime.tryParse(
printTransactionModel.transitionModel?.salesReturns?[i].returnDate?.substring(0, 10) ?? '') ??
DateTime.now());
final product = printTransactionModel.transitionModel?.salesReturns?[i].salesReturnDetails?[index];
return bytes += generator.row([
PosColumn(
text: '${index + 1}',
width: 1,
styles: const PosStyles(
align: PosAlign.left,
)),
PosColumn(
text: productName(detailsId: product?.saleDetailId ?? 0),
width: 6,
styles: const PosStyles(align: PosAlign.left)),
PosColumn(
text: product?.returnQty.toString() ?? 'Not Defined',
width: 2,
styles: const PosStyles(align: PosAlign.center)),
PosColumn(
text: formatPointNumber(product?.returnAmount ?? 0, addComma: true),
width: 3,
styles: const PosStyles(align: PosAlign.right)),
]);
});
//
});
}
///_____Total Returned Amount_______________________________
if (printTransactionModel.transitionModel?.salesReturns?.isNotEmpty ?? false) {
bytes += generator.hr();
bytes += generator.row([
PosColumn(
text: 'Returned Amount:',
width: 9,
styles: const PosStyles(
align: PosAlign.right,
)),
PosColumn(
text: formatPointNumber(getTotalReturndAmount(), addComma: true),
width: 3,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
} else {
bytes += generator.text(' ----------------------------');
}
bytes += generator.row([
PosColumn(text: 'Total Payable:', width: 9, styles: const PosStyles(align: PosAlign.right, bold: true)),
PosColumn(
text: formatPointNumber(printTransactionModel.transitionModel?.totalAmount ?? 0, addComma: true),
width: 3,
styles: const PosStyles(align: PosAlign.right, bold: true)),
]);
bytes += generator.row([
PosColumn(
text: 'Paid Amount:',
width: 9,
styles: const PosStyles(
align: PosAlign.right,
)),
PosColumn(
text: formatPointNumber(
((printTransactionModel.transitionModel?.totalAmount ?? 0) -
(printTransactionModel.transitionModel?.dueAmount ?? 0)) +
(printTransactionModel.transitionModel?.changeAmount ?? 0),
addComma: true),
width: 3,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
if ((printTransactionModel.transitionModel?.dueAmount ?? 0) > 0) {
bytes += generator.row([
PosColumn(
text: 'Due Amount:',
width: 9,
styles: const PosStyles(
align: PosAlign.right,
),
),
PosColumn(
text: formatPointNumber(printTransactionModel.transitionModel?.dueAmount ?? 0, addComma: true),
width: 3,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
}
if ((printTransactionModel.transitionModel?.changeAmount ?? 0) > 0) {
bytes += generator.row([
PosColumn(
text: 'Change Amount:',
width: 9,
styles: const PosStyles(
align: PosAlign.right,
)),
PosColumn(
text: formatPointNumber(printTransactionModel.transitionModel?.changeAmount ?? 0, addComma: true),
width: 3,
styles: const PosStyles(
align: PosAlign.right,
)),
]);
}
bytes += generator.hr();
bytes += generator.text(
paidViaText,
styles: const PosStyles(
align: PosAlign.left,
),
linesAfter: 1,
);
if (printTransactionModel.personalInformationModel.data?.gratitudeMessage != null &&
printTransactionModel.personalInformationModel.data?.showGratitudeMsg == 1) {
bytes += generator.text(printTransactionModel.personalInformationModel.data?.gratitudeMessage ?? '',
styles: const PosStyles(align: PosAlign.center, bold: true));
}
bytes += generator.text(printTransactionModel.transitionModel!.saleDate ?? '',
styles: const PosStyles(align: PosAlign.center), linesAfter: 1);
if ((printTransactionModel.personalInformationModel.data?.invoiceNoteLevel != null ||
printTransactionModel.personalInformationModel.data?.invoiceNote != null) &&
printTransactionModel.personalInformationModel.data?.showNote == 1) {
bytes += generator.text(
'${printTransactionModel.personalInformationModel.data?.invoiceNoteLevel ?? ''}: ${printTransactionModel.personalInformationModel.data?.invoiceNote ?? ''}',
styles: const PosStyles(align: PosAlign.left, bold: false),
linesAfter: 1,
);
}
///____________qr logo__________________________________
if (printTransactionModel.personalInformationModel.data?.showInvoiceScannerLogo == 1) {
if (_qrlogo != null) {
final img.Image resized = img.copyResize(
_qrlogo,
width: 120,
height: 120,
);
final img.Image grayscale = img.grayscale(resized);
bytes += generator.imageRaster(grayscale, imageFn: PosImageFn.bitImageRaster);
}
}
if (printTransactionModel.personalInformationModel.data?.developByLevel != null ||
printTransactionModel.personalInformationModel.data?.developBy != null) {
bytes += generator.text(
'${printTransactionModel.personalInformationModel.data?.developByLevel ?? ''}: ${printTransactionModel.personalInformationModel.data?.developBy ?? ''}',
styles: const PosStyles(align: PosAlign.center),
linesAfter: 1);
}
bytes += generator.cut();
return bytes;
}
}
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