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132
lib/pdf_report/sales_report/sales_report_excel.dart
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132
lib/pdf_report/sales_report/sales_report_excel.dart
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import 'dart:io';
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import 'package:excel/excel.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_easyloading/flutter_easyloading.dart';
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import 'package:intl/intl.dart';
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import 'package:open_file/open_file.dart';
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import 'package:path_provider/path_provider.dart';
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import '../../model/business_info_model.dart';
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import '../../model/sale_transaction_model.dart';
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Future<void> generateSaleReportExcel(
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BuildContext context,
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List<SalesTransactionModel>? data,
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BusinessInformationModel? business,
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DateTime? fromDate,
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DateTime? toDate,
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) async {
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EasyLoading.show(status: 'Generating Excel');
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try {
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final excel = Excel.createExcel();
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final sheet = excel['Sales Report'];
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// ---- DATE RANGE ----
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String fromStr = fromDate != null ? DateFormat('dd-MM-yyyy').format(fromDate) : '';
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String toStr = toDate != null ? DateFormat('dd-MM-yyyy').format(toDate!) : '';
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// ---- TOTAL CALCULATION ----
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double total = 0;
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double totalPaid = 0;
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double totalDue = 0;
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if (data != null) {
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for (var item in data) {
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total += item.totalAmount ?? 0;
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totalPaid += item.paidAmount ?? 0;
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totalDue += item.dueAmount ?? 0;
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}
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}
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// ----------------------------- //
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// HEADER ROWS //
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// ----------------------------- //
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// Row 1: Company Name
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sheet.appendRow([TextCellValue(business?.data?.companyName ?? '')]);
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// Row 2: Report Title
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sheet.appendRow([TextCellValue('Sales Report')]);
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// Row 3: Duration
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sheet.appendRow([
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TextCellValue('Duration: $fromStr to $toStr'),
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]);
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// Row 4: Empty Space
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sheet.appendRow([]);
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// Row 5: Table Headers
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final headerStartRow = sheet.maxRows;
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sheet.appendRow([
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TextCellValue('Reference'),
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TextCellValue('Date'),
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TextCellValue('Customer'),
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TextCellValue('Status'),
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TextCellValue('Total'),
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TextCellValue('Paid'),
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TextCellValue('Due'),
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]);
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// Apply bold header style
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for (int i = 0; i < 7; i++) {
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sheet.cell(CellIndex.indexByColumnRow(columnIndex: i, rowIndex: headerStartRow)).cellStyle;
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}
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// Row 6: Space before data
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sheet.appendRow([]);
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// ----------------------------- //
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// TABLE DATA ROWS //
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// ----------------------------- //
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if (data != null) {
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for (var item in data) {
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sheet.appendRow([
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TextCellValue(item.invoiceNumber ?? 'n/a'),
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TextCellValue(DateFormat('dd-MM-yyyy').format(DateTime.parse(item.saleDate.toString()))),
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TextCellValue(item.party?.name ?? 'n/a'),
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TextCellValue(item.isPaid == true ? 'Paid' : 'Unpaid'),
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TextCellValue((item.totalAmount ?? 0).toStringAsFixed(2)),
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TextCellValue((item.paidAmount ?? 0).toStringAsFixed(2)),
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TextCellValue((item.dueAmount ?? 0).toStringAsFixed(2)),
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]);
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}
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}
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// ----------------------------- //
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// TOTAL ROW //
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// ----------------------------- //
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final totalRowIndex = sheet.maxRows;
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sheet.appendRow([
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TextCellValue('Total'),
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TextCellValue(''),
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TextCellValue(''),
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TextCellValue(''),
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TextCellValue(total.toStringAsFixed(2)),
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TextCellValue(totalPaid.toStringAsFixed(2)),
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TextCellValue(totalDue.toStringAsFixed(2)),
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]);
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// Apply bold style
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for (int i = 0; i < 7; i++) {
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sheet.cell(CellIndex.indexByColumnRow(columnIndex: i, rowIndex: totalRowIndex)).cellStyle;
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}
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// ----------------------------- //
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// SAVE FILE //
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// ----------------------------- //
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final dir = await getApplicationDocumentsDirectory();
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final filePath = '${dir.path}/${business?.data?.companyName ?? "Company"}_Sales_Report.xlsx';
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final file = File(filePath);
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await file.writeAsBytes(excel.encode()!);
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EasyLoading.showSuccess('Report Generated');
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await OpenFile.open(filePath);
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} catch (e) {
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EasyLoading.showError('Error: $e');
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debugPrint('Excel Generation Error: $e');
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}
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}
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239
lib/pdf_report/sales_report/sales_report_pdf.dart
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239
lib/pdf_report/sales_report/sales_report_pdf.dart
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import 'dart:async';
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_easyloading/flutter_easyloading.dart';
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import 'package:intl/intl.dart';
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import 'package:mobile_pos/constant.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:pdf/pdf.dart';
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import 'package:pdf/widgets.dart' as pw;
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import 'package:printing/printing.dart';
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import '../../model/business_info_model.dart';
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import '../../model/sale_transaction_model.dart';
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Future<void> generateSaleReportPdf(BuildContext context, List<SalesTransactionModel>? data, BusinessInformationModel? business, DateTime? fromDate, DateTime? toDate) async {
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final pw.Document pdf = pw.Document();
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final interFont = await PdfGoogleFonts.notoSansRegular();
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// Show loading indicator
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EasyLoading.show(status: 'Generating PDF');
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double total = 0;
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double totalDue = 0;
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double totalPaid = 0;
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// Calculate totals from data
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if (data != null) {
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for (var item in data) {
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final totalAmounts = item.totalAmount ?? 0;
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total += totalAmounts;
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}
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}
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//total due
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if (data != null) {
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for (var item in data) {
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final due = item.paidAmount ?? 0;
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totalDue += due;
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}
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}
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//total paid
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if (data != null) {
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for (var item in data) {
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final paid = item.dueAmount ?? 0;
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totalPaid += paid;
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}
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}
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try {
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pdf.addPage(pw.MultiPage(
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pageFormat: PdfPageFormat.letter.copyWith(marginBottom: 1.5 * PdfPageFormat.cm),
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margin: pw.EdgeInsets.symmetric(horizontal: 16),
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//----------------pdf header--------------
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header: (pw.Context context) {
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return pw.Center(
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child: pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.center,
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children: [
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pw.Text(
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business?.data?.companyName.toString() ?? '',
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style: pw.TextStyle(
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// font: interFont,
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fontWeight: pw.FontWeight.bold,
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fontSize: 20,
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),
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),
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pw.Text(
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// 'বিক্রয় প্রতিবেদন',
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'Sales Report',
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style: pw.TextStyle(
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fontSize: 16,
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fontWeight: pw.FontWeight.bold,
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// font: ttf,
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),
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),
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pw.SizedBox(height: 4),
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pw.Text(
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fromDate != null ? 'Duration: ${DateFormat('dd-MM-yyyy').format(fromDate)} to ${DateFormat('dd-MM-yyyy').format(toDate!)}' : '',
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style: pw.TextStyle(
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font: interFont,
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fontSize: 12,
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),
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),
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],
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),
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);
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},
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//-----------------pdf footer-------------
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footer: (pw.Context context) {
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return pw.Row(
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mainAxisAlignment: pw.MainAxisAlignment.spaceBetween,
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children: [
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pw.Text('${business?.data?.developByLevel ?? ''} ${business?.data?.developBy ?? ''}'),
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pw.Text('Page-${context.pageNumber}'),
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],
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);
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},
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build: (pw.Context context) {
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final List<List<String>> tableData = [];
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for (int i = 0; i < data!.length; i++) {
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tableData.add([
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// '${i + 1}',
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data[i].invoiceNumber ?? 'n/a',
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DateFormat('dd-MM-yyyy').format(DateTime.parse(data[i].saleDate.toString())),
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data[i].party!.name ?? 'n/a',
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// data[i]. ?? 'n/a',
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data[i].isPaid == true ? 'Paid' : 'Unpaid',
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data[i].totalAmount.toString(),
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data[i].paidAmount.toString(),
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data[i].dueAmount.toString(),
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]);
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}
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return [
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pw.SizedBox(height: 16),
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// Main Table
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pw.Table.fromTextArray(
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headers: [
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// 'SL',
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'Reference',
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'Date',
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'Customer',
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'Status',
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'Total',
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'Paid',
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'Due',
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],
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data: tableData,
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headerDecoration: const pw.BoxDecoration(
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color: PdfColor.fromInt(0xffC52127),
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),
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cellAlignment: pw.Alignment.center,
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border: pw.TableBorder.all(color: PdfColor.fromInt(0xffD9D9D9)),
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headerStyle: pw.TextStyle(
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fontWeight: pw.FontWeight.bold,
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color: PdfColors.white,
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),
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rowDecoration: const pw.BoxDecoration(
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color: PdfColors.white,
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),
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oddRowDecoration: pw.BoxDecoration(
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color: PdfColor.fromInt(0xffF7F7F7),
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),
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cellPadding: const pw.EdgeInsets.all(8),
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columnWidths: <int, pw.TableColumnWidth>{
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0: const pw.FlexColumnWidth(4),
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1: const pw.FlexColumnWidth(5),
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2: const pw.FlexColumnWidth(4),
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3: const pw.FlexColumnWidth(3),
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4: const pw.FlexColumnWidth(4),
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5: const pw.FlexColumnWidth(4),
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6: const pw.FlexColumnWidth(4),
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},
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cellAlignments: {
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0: pw.Alignment.center,
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1: pw.Alignment.center,
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2: pw.Alignment.center,
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3: pw.Alignment.center,
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4: pw.Alignment.center,
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5: pw.Alignment.center,
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6: pw.Alignment.center,
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},
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),
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// Totals row (styled to match)
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pw.Table.fromTextArray(
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border: const pw.TableBorder(
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left: pw.BorderSide(color: PdfColor.fromInt(0xffD9D9D9)),
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right: pw.BorderSide(color: PdfColor.fromInt(0xffD9D9D9)),
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bottom: pw.BorderSide(color: PdfColor.fromInt(0xffD9D9D9)),
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),
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columnWidths: <int, pw.TableColumnWidth>{
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0: const pw.FlexColumnWidth(4),
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1: const pw.FlexColumnWidth(5),
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2: const pw.FlexColumnWidth(4),
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3: const pw.FlexColumnWidth(3),
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4: const pw.FlexColumnWidth(4),
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5: const pw.FlexColumnWidth(4),
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6: const pw.FlexColumnWidth(4),
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},
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cellAlignments: {
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0: pw.Alignment.center,
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1: pw.Alignment.center,
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2: pw.Alignment.center,
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3: pw.Alignment.center,
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4: pw.Alignment.center,
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5: pw.Alignment.center,
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6: pw.Alignment.center,
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},
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data: [
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[
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'Total',
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'',
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'',
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'',
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formatPointNumber(total),
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formatPointNumber(totalPaid),
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formatPointNumber(totalDue),
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]
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],
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headerDecoration: const pw.BoxDecoration(
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color: PdfColor.fromInt(0xffC52127),
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),
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headerStyle: pw.TextStyle(
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fontWeight: pw.FontWeight.bold,
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color: PdfColors.white,
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),
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cellAlignment: pw.Alignment.center,
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cellPadding: const pw.EdgeInsets.all(8),
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),
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];
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}));
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final byteData = await pdf.save();
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final dir = await getApplicationDocumentsDirectory();
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final file = File('${dir.path}/${appsName}-loss-profit-report.pdf');
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await file.writeAsBytes(byteData.buffer.asUint8List(byteData.offsetInBytes, byteData.lengthInBytes));
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EasyLoading.showSuccess('Generate Complete');
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//print pdf
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if (context.mounted) {
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await Printing.layoutPdf(
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name: 'Sales Report',
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usePrinterSettings: true,
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dynamicLayout: true,
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forceCustomPrintPaper: true,
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onLayout: (PdfPageFormat format) async => pdf.save(),
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);
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}
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// Navigator.push(
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// context,
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// MaterialPageRoute(
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// builder: (context) => PDFViewerPage(path: file.path),
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// ),
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// );
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} catch (e) {
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EasyLoading.showError('Error: $e');
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print('Error during PDF generation: $e');
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}
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}
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Reference in New Issue
Block a user