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eko54r
2026-02-07 15:57:09 +07:00
commit 157096f164
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135
lib/pdf_report/due_report/due_report_excel.dart Normal file
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import 'dart:io';
import 'package:excel/excel.dart';
import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:intl/intl.dart';
import 'package:mobile_pos/Screens/Due%20Calculation/Model/due_collection_model.dart';
import 'package:open_file/open_file.dart';
import 'package:path_provider/path_provider.dart';
import '../../model/business_info_model.dart';
import '../../model/sale_transaction_model.dart';
import 'due_status.dart';
Future<void> generateDueReportExcel(
BuildContext context,
List<DueCollection>? data,
BusinessInformationModel? business,
DateTime? fromDate,
DateTime? toDate,
) async {
EasyLoading.show(status: 'Generating Excel');
try {
final excel = Excel.createExcel();
final sheet = excel['Sales Report'];
// ---- DATE RANGE ----
String fromStr = fromDate != null ? DateFormat('dd-MM-yyyy').format(fromDate) : '';
String toStr = toDate != null ? DateFormat('dd-MM-yyyy').format(toDate!) : '';
// ---- TOTAL CALCULATION ----
double total = 0;
double totalPaid = 0;
double totalDue = 0;
if (data != null) {
for (var item in data) {
total += item.totalDue ?? 0;
totalPaid += item.payDueAmount ?? 0;
totalDue += item.dueAmountAfterPay ?? 0;
}
}
// ----------------------------- //
// HEADER ROWS //
// ----------------------------- //
// Row 1: Company Name
sheet.appendRow([TextCellValue(business?.data?.companyName ?? '')]);
// Row 2: Report Title
sheet.appendRow([TextCellValue('Due Report')]);
// Row 3: Duration
sheet.appendRow([
TextCellValue('Duration: $fromStr to $toStr'),
]);
// Row 4: Empty Space
sheet.appendRow([]);
// Row 5: Table Headers
final headerStartRow = sheet.maxRows;
sheet.appendRow([
TextCellValue('Reference'),
TextCellValue('Date'),
TextCellValue('Name'),
TextCellValue('Status'),
TextCellValue('Total'),
TextCellValue('Paid'),
TextCellValue('Due'),
]);
// Apply bold header style
for (int i = 0; i < 7; i++) {
sheet.cell(CellIndex.indexByColumnRow(columnIndex: i, rowIndex: headerStartRow)).cellStyle;
}
// Row 6: Space before data
sheet.appendRow([]);
// ----------------------------- //
// TABLE DATA ROWS //
// ----------------------------- //
if (data != null) {
for (var item in data) {
final status = getDueStatus(item);
sheet.appendRow([
TextCellValue(item.invoiceNumber ?? 'n/a'),
TextCellValue(DateFormat('dd-MM-yyyy').format(DateTime.parse(item.paymentDate.toString()))),
TextCellValue(item.party?.name ?? 'n/a'),
TextCellValue(status),
TextCellValue((item.totalDue ?? 0).toStringAsFixed(2)),
TextCellValue((item.payDueAmount ?? 0).toStringAsFixed(2)),
TextCellValue((item.dueAmountAfterPay ?? 0).toStringAsFixed(2)),
]);
}
}
// ----------------------------- //
// TOTAL ROW //
// ----------------------------- //
final totalRowIndex = sheet.maxRows;
sheet.appendRow([
TextCellValue('Total'),
TextCellValue(''),
TextCellValue(''),
TextCellValue(''),
TextCellValue(total.toStringAsFixed(2)),
TextCellValue(totalPaid.toStringAsFixed(2)),
TextCellValue(totalDue.toStringAsFixed(2)),
]);
// Apply bold style
for (int i = 0; i < 7; i++) {
sheet.cell(CellIndex.indexByColumnRow(columnIndex: i, rowIndex: totalRowIndex)).cellStyle;
}
// ----------------------------- //
// SAVE FILE //
// ----------------------------- //
final dir = await getApplicationDocumentsDirectory();
final filePath = '${dir.path}/${business?.data?.companyName ?? "Company"}_Due_Report.xlsx';
final file = File(filePath);
await file.writeAsBytes(excel.encode()!);
EasyLoading.showSuccess('Report Generated');
await OpenFile.open(filePath);
} catch (e) {
EasyLoading.showError('Error: $e');
debugPrint('Excel Generation Error: $e');
}
}

241
lib/pdf_report/due_report/due_report_pdf.dart Normal file
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import 'dart:async';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:intl/intl.dart';
import 'package:mobile_pos/Screens/Due%20Calculation/Model/due_collection_model.dart';
import 'package:mobile_pos/constant.dart';
import 'package:path_provider/path_provider.dart';
import 'package:pdf/pdf.dart';
import 'package:pdf/widgets.dart' as pw;
import 'package:printing/printing.dart';
import '../../model/business_info_model.dart';
import 'due_status.dart';
Future<void> generateDueReportPdf(BuildContext context, List<DueCollection>? data, BusinessInformationModel? business, DateTime? fromDate, DateTime? toDate) async {
final pw.Document pdf = pw.Document();
final interFont = await PdfGoogleFonts.notoSansRegular();
// Show loading indicator
EasyLoading.show(status: 'Generating PDF');
double total = 0;
double totalDue = 0;
double totalPaid = 0;
// Calculate totals from data
if (data != null) {
for (var item in data) {
final totalAmounts = item.totalDue ?? 0;
total += totalAmounts;
}
}
//total due
if (data != null) {
for (var item in data) {
final due = item.dueAmountAfterPay ?? 0;
totalDue += due;
}
}
//total paid
if (data != null) {
for (var item in data) {
final paid = item.payDueAmount ?? 0;
totalPaid += paid;
}
}
try {
pdf.addPage(pw.MultiPage(
pageFormat: PdfPageFormat.letter.copyWith(marginBottom: 1.5 * PdfPageFormat.cm),
margin: pw.EdgeInsets.symmetric(horizontal: 16),
//----------------pdf header--------------
header: (pw.Context context) {
return pw.Center(
child: pw.Column(
crossAxisAlignment: pw.CrossAxisAlignment.center,
children: [
pw.Text(
business?.data?.companyName.toString() ?? '',
style: pw.TextStyle(
// font: interFont,
fontWeight: pw.FontWeight.bold,
fontSize: 20,
),
),
pw.Text(
// 'বিক্রয় প্রতিবেদন',
'Due Report',
style: pw.TextStyle(
fontSize: 16,
fontWeight: pw.FontWeight.bold,
// font: ttf,
),
),
pw.SizedBox(height: 4),
pw.Text(
fromDate != null ? 'Duration: ${DateFormat('dd-MM-yyyy').format(fromDate)} to ${DateFormat('dd-MM-yyyy').format(toDate!)}' : '',
style: pw.TextStyle(
font: interFont,
fontSize: 12,
),
),
],
),
);
},
//-----------------pdf footer-------------
footer: (pw.Context context) {
return pw.Row(
mainAxisAlignment: pw.MainAxisAlignment.spaceBetween,
children: [
pw.Text('${business?.data?.developByLevel ?? ''} ${business?.data?.developBy ?? ''}'),
pw.Text('Page-${context.pageNumber}'),
],
);
},
build: (pw.Context context) {
final List<List<String>> tableData = [];
for (int i = 0; i < data!.length; i++) {
final status = getDueStatus(data[i]);
tableData.add([
// '${i + 1}',
data[i].invoiceNumber ?? 'n/a',
DateFormat('dd-MM-yyyy').format(DateTime.parse(data[i].paymentDate.toString())),
data[i].party!.name ?? 'n/a',
// data[i]. ?? 'n/a',
status,
data[i].totalDue.toString(),
data[i].payDueAmount.toString(),
data[i].dueAmountAfterPay.toString(),
]);
}
return [
pw.SizedBox(height: 16),
// Main Table
pw.Table.fromTextArray(
headers: [
// 'SL',
'Reference',
'Date',
'Name',
'Status',
'Total',
'Paid',
'Due',
],
data: tableData,
headerDecoration: const pw.BoxDecoration(
color: PdfColor.fromInt(0xffC52127),
),
cellAlignment: pw.Alignment.center,
border: pw.TableBorder.all(color: PdfColor.fromInt(0xffD9D9D9)),
headerStyle: pw.TextStyle(
fontWeight: pw.FontWeight.bold,
color: PdfColors.white,
),
rowDecoration: const pw.BoxDecoration(
color: PdfColors.white,
),
oddRowDecoration: pw.BoxDecoration(
color: PdfColor.fromInt(0xffF7F7F7),
),
cellPadding: const pw.EdgeInsets.all(8),
columnWidths: <int, pw.TableColumnWidth>{
0: const pw.FlexColumnWidth(4),
1: const pw.FlexColumnWidth(5),
2: const pw.FlexColumnWidth(4),
3: const pw.FlexColumnWidth(3),
4: const pw.FlexColumnWidth(4),
5: const pw.FlexColumnWidth(4),
6: const pw.FlexColumnWidth(4),
},
cellAlignments: {
0: pw.Alignment.center,
1: pw.Alignment.center,
2: pw.Alignment.center,
3: pw.Alignment.center,
4: pw.Alignment.center,
5: pw.Alignment.center,
6: pw.Alignment.center,
},
),
// Totals row (styled to match)
pw.Table.fromTextArray(
border: const pw.TableBorder(
left: pw.BorderSide(color: PdfColor.fromInt(0xffD9D9D9)),
right: pw.BorderSide(color: PdfColor.fromInt(0xffD9D9D9)),
bottom: pw.BorderSide(color: PdfColor.fromInt(0xffD9D9D9)),
),
columnWidths: <int, pw.TableColumnWidth>{
0: const pw.FlexColumnWidth(4),
1: const pw.FlexColumnWidth(5),
2: const pw.FlexColumnWidth(4),
3: const pw.FlexColumnWidth(3),
4: const pw.FlexColumnWidth(4),
5: const pw.FlexColumnWidth(4),
6: const pw.FlexColumnWidth(4),
},
cellAlignments: {
0: pw.Alignment.center,
1: pw.Alignment.center,
2: pw.Alignment.center,
3: pw.Alignment.center,
4: pw.Alignment.center,
5: pw.Alignment.center,
6: pw.Alignment.center,
},
data: [
[
'Total',
'',
'',
'',
formatPointNumber(total),
formatPointNumber(totalPaid),
formatPointNumber(totalDue),
]
],
headerDecoration: const pw.BoxDecoration(
color: PdfColor.fromInt(0xffC52127),
),
headerStyle: pw.TextStyle(
fontWeight: pw.FontWeight.bold,
color: PdfColors.white,
),
cellAlignment: pw.Alignment.center,
cellPadding: const pw.EdgeInsets.all(8),
),
];
}));
final byteData = await pdf.save();
final dir = await getApplicationDocumentsDirectory();
final file = File('${dir.path}/${appsName}-due-report.pdf');
await file.writeAsBytes(byteData.buffer.asUint8List(byteData.offsetInBytes, byteData.lengthInBytes));
EasyLoading.showSuccess('Generate Complete');
//print pdf
if (context.mounted) {
await Printing.layoutPdf(
name: 'Due Report',
usePrinterSettings: true,
dynamicLayout: true,
forceCustomPrintPaper: true,
onLayout: (PdfPageFormat format) async => pdf.save(),
);
}
// Navigator.push(
// context,
// MaterialPageRoute(
// builder: (context) => PDFViewerPage(path: file.path),
// ),
// );
} catch (e) {
EasyLoading.showError('Error: $e');
print('Error during PDF generation: $e');
}
}

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lib/pdf_report/due_report/due_status.dart Normal file
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import '../../Screens/Due Calculation/Model/due_collection_model.dart';
String getDueStatus(DueCollection item) {
final totalDue = item.totalDue ?? 0;
final paid = item.payDueAmount ?? 0;
final dueAfterPay = item.dueAmountAfterPay ?? totalDue;
if (dueAfterPay == 0) {
return "Paid";
} else if (paid > 0 && dueAfterPay > 0) {
return "Partial Paid";
} else {
return "Unpaid";
}
}