first commit
This commit is contained in:
Aditya Siregar
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import 'dart:io';
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import 'dart:developer';
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import 'package:enaklo_pos/core/extensions/date_time_ext.dart';
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import 'package:enaklo_pos/core/extensions/int_ext.dart';
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import 'package:enaklo_pos/data/models/response/summary_response_model.dart';
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import 'package:flutter/services.dart';
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import 'package:enaklo_pos/core/utils/helper_pdf_service.dart';
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import 'package:pdf/widgets.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:flutter/foundation.dart';
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class RevenueInvoice {
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static late Font ttf;
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static Future<File> generate(
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SummaryModel summaryModel,
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String searchDateFormatted,
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) async {
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try {
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log("Starting PDF generation for summary report");
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log("Summary model: ${summaryModel.toMap()}");
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log("Search date formatted: $searchDateFormatted");
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final pdf = Document();
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log("PDF document created");
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// Load logo image
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log("Loading logo image...");
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final ByteData dataImage = await rootBundle.load('assets/images/logo.png');
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final Uint8List bytes = dataImage.buffer.asUint8List();
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final image = pw.MemoryImage(bytes);
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log("Logo image loaded successfully, size: ${bytes.length} bytes");
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log("Adding page to PDF...");
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pdf.addPage(
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MultiPage(
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build: (context) => [
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buildHeader(summaryModel, image, searchDateFormatted),
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SizedBox(height: 1 * PdfPageFormat.cm),
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buildTotal(summaryModel),
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],
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footer: (context) => buildFooter(summaryModel),
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),
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);
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log("PDF page added successfully");
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log("Saving PDF document...");
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return HelperPdfService.saveDocument(
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name:
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'Enaklo POS | Summary Sales Report | ${DateTime.now().millisecondsSinceEpoch}.pdf',
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pdf: pdf,
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);
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} catch (e) {
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log("Error generating PDF: $e");
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log("Error stack trace: ${StackTrace.current}");
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return Future.error("Failed to generate PDF: $e");
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}
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}
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static Widget buildHeader(
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SummaryModel invoice,
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MemoryImage image,
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String searchDateFormatted,
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) =>
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Row(mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SizedBox(height: 1 * PdfPageFormat.cm),
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Text('Enaklo POS | Summary Sales Report',
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style: TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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)),
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SizedBox(height: 0.2 * PdfPageFormat.cm),
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Text(
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"Data: $searchDateFormatted",
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),
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Text(
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'Created At: ${DateTime.now().toFormattedDate3()}',
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),
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],
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),
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Image(
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image,
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width: 80.0,
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height: 80.0,
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fit: BoxFit.fill,
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),
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]);
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static Widget buildTotal(SummaryModel summaryModel) {
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log("Building total section with summary model: ${summaryModel.toMap()}");
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// Helper function to safely parse string to int
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int safeParseInt(String? value) {
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if (value == null || value.isEmpty) return 0;
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try {
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return int.parse(value.replaceAll('.00', ''));
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} catch (e) {
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log("Error parsing value '$value' to int: $e");
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return 0;
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}
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}
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return Container(
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width: double.infinity,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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buildText(
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title: 'Revenue',
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value: safeParseInt(summaryModel.totalRevenue).currencyFormatRp,
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unite: true,
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),
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Divider(),
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buildText(
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title: 'Sub Total',
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titleStyle: TextStyle(fontWeight: FontWeight.normal),
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value: safeParseInt(summaryModel.totalSubtotal).currencyFormatRp,
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unite: true,
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),
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buildText(
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title: 'Discount',
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titleStyle: TextStyle(fontWeight: FontWeight.normal),
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value: "- ${safeParseInt(summaryModel.totalDiscount).currencyFormatRp}",
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unite: true,
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textStyle: TextStyle(
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color: PdfColor.fromHex('#FF0000'),
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fontWeight: FontWeight.bold,
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),
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),
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buildText(
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title: 'Tax',
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titleStyle: TextStyle(fontWeight: FontWeight.normal),
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value: "- ${safeParseInt(summaryModel.totalTax).currencyFormatRp}",
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textStyle: TextStyle(
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color: PdfColor.fromHex('#FF0000'),
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fontWeight: FontWeight.bold,
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),
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unite: true,
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),
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buildText(
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title: 'Service Charge',
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titleStyle: TextStyle(
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fontWeight: FontWeight.normal,
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),
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value: safeParseInt(summaryModel.totalServiceCharge).currencyFormatRp,
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unite: true,
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),
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Divider(),
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buildText(
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title: 'Total ',
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titleStyle: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.bold,
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),
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value: (summaryModel.total ?? 0).currencyFormatRp,
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unite: true,
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),
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SizedBox(height: 2 * PdfPageFormat.mm),
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Container(height: 1, color: PdfColors.grey400),
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SizedBox(height: 0.5 * PdfPageFormat.mm),
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Container(height: 1, color: PdfColors.grey400),
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],
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),
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);
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}
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static Widget buildFooter(SummaryModel summaryModel) => Column(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Divider(),
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SizedBox(height: 2 * PdfPageFormat.mm),
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buildSimpleText(
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title: 'Address',
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value:
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'Jalan Melati No. 12, Mranggen, Demak, Central Java, 89568'),
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SizedBox(height: 1 * PdfPageFormat.mm),
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],
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);
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static buildSimpleText({
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required String title,
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required String value,
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}) {
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final style = TextStyle(fontWeight: FontWeight.bold);
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return Row(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: pw.CrossAxisAlignment.end,
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children: [
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Text(title, style: style),
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SizedBox(width: 2 * PdfPageFormat.mm),
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Text(value),
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],
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);
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}
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static buildText({
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required String title,
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required String value,
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double width = double.infinity,
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TextStyle? titleStyle,
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TextStyle? textStyle,
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bool unite = false,
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}) {
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final style = titleStyle ?? TextStyle(fontWeight: FontWeight.bold);
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final style2 = textStyle ?? TextStyle(fontWeight: FontWeight.bold);
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return Container(
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width: width,
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child: Row(
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children: [
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Expanded(child: Text(title, style: style)),
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Text(value, style: style2),
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],
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),
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);
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}
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}
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