dab246
400 lines
11 KiB
Dart
400 lines
11 KiB
Dart
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import 'dart:async';
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import 'package:core/data/model/print_attachment.dart';
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import 'package:core/presentation/extensions/color_extension.dart';
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import 'package:core/presentation/resources/image_paths.dart';
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import 'package:core/utils/app_logger.dart';
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import 'package:flutter/services.dart';
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import 'package:htmltopdfwidgets/htmltopdfwidgets.dart' as pw;
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import 'package:intl/intl.dart';
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import 'package:printing/printing.dart';
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class PrintUtils {
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final pw.HTMLToPdf _htmlToPdf;
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final ImagePaths _imagePaths;
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PrintUtils(this._htmlToPdf, this._imagePaths);
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Future<pw.Widget> _createEmailContentWidget(String htmlDocument) async {
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try {
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final List<pw.Widget> bodyWidgets = await _htmlToPdf.convert(htmlDocument);
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return pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.start,
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children: [
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...bodyWidgets
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]
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);
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} catch (e) {
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logError('PrintUtils::_createEmailContentWidget: Exception: $e');
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return pw.Text(htmlDocument);
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}
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}
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List<pw.Widget> _createBodyWidgets({
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required pw.Context context,
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required String logoAppSvg,
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required String appName,
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required String userName,
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required String title,
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required String htmlDocument,
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required String senderName,
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required String senderEmailAddress,
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required String dateTime,
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required String toPrefix,
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required String ccPrefix,
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required String bccPrefix,
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required String replyToPrefix,
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required String titleAttachment,
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required pw.Widget contentWidget,
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String? toAddress,
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String? ccAddress,
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String? bccAddress,
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String? replyToAddress,
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List<PrintAttachment>? listAttachment,
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}) {
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return [
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pw.Container(
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padding: const pw.EdgeInsets.symmetric(horizontal: 32),
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child: pw.Column(
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crossAxisAlignment: pw.CrossAxisAlignment.start,
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children: [
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_createUserInformationRow(
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context: context,
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logoAppSvg: logoAppSvg,
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appName: appName,
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userName: userName
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),
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_createPageDivider(),
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if (title.isNotEmpty)
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...[
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_createTitleRow(
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context: context,
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title: title
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),
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_createPageDivider(),
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],
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pw.SizedBox(height: 12),
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pw.Row(
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children: [
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pw.Expanded(
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child: _createSenderWidget(
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context: context,
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name: senderName,
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emailAddress: senderEmailAddress
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)
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),
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_createDateTimeWidget(
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context: context,
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dateTime: dateTime
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)
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]
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),
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if (replyToAddress?.isNotEmpty == true)
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_createRecipientRow(
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prefix: replyToPrefix,
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emailAddress: replyToAddress!
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),
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if (toAddress?.isNotEmpty == true)
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_createRecipientRow(
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prefix: toPrefix,
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emailAddress: toAddress!
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),
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if (ccAddress?.isNotEmpty == true)
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_createRecipientRow(
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prefix: ccPrefix,
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emailAddress: ccAddress!
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),
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if (bccAddress?.isNotEmpty == true)
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_createRecipientRow(
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prefix: bccPrefix,
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emailAddress: bccAddress!
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),
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pw.Padding(
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padding: const pw.EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 24),
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child: contentWidget
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),
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if (listAttachment?.isNotEmpty == true)
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...[
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_createPageDivider(),
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pw.SizedBox(height: 12),
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_createAttachmentTitle(
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context: context,
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title: titleAttachment,
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totalAttachments: listAttachment!.length
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),
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pw.SizedBox(height: 4),
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...listAttachment.map((attachment) => _createAttachmentRow(
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context: context,
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attachment: attachment
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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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}
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pw.Widget _createPageDivider() {
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return pw.Padding(
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padding: const pw.EdgeInsets.only(top: 12),
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child: pw.Divider()
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);
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}
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pw.Widget _createPageHeader({
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required pw.Context context,
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required String appName,
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required String title,
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required String locale,
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}) {
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final currentTime = DateFormat('MM/dd/yyyy, h:mm a', locale).format(DateTime.now());
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return pw.Padding(
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padding: const pw.EdgeInsets.all(20),
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child: pw.Row(
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children: [
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pw.Text(
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currentTime,
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style: pw.Theme.of(context).defaultTextStyle.copyWith(
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fontSize: 8,
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color: pw.PdfColor.fromInt(AppColor.colorTextBody.value)
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)
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),
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pw.SizedBox(width: 16),
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pw.Expanded(
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child: pw.Text(
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'$appName - $title',
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textAlign: pw.TextAlign.center,
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maxLines: 1,
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style: pw.Theme.of(context).defaultTextStyle.copyWith(
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fontSize: 8,
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color: pw.PdfColor.fromInt(AppColor.colorTextBody.value)
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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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}
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pw.Widget _createUserInformationRow({
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required pw.Context context,
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required String logoAppSvg,
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required String appName,
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required String userName,
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}) {
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return pw.Row(
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children: [
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pw.SvgImage(
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svg: logoAppSvg,
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width: 32,
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height: 32
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),
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pw.SizedBox(width: 12),
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pw.Text(
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appName,
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style: pw.Theme.of(context).header0
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),
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pw.Spacer(),
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pw.SizedBox(width: 12),
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pw.Text(
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userName,
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style: pw.Theme.of(context).header4
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)
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]
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);
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}
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pw.Widget _createTitleRow({
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required pw.Context context,
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required String title,
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}) {
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return pw.Padding(
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padding: const pw.EdgeInsets.only(top: 12),
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child: pw.Text(
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title,
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style: pw.Theme.of(context).header3
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)
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);
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}
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pw.Widget _createSenderWidget({
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required pw.Context context,
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required String name,
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required String emailAddress,
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}) {
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return pw.Row(
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children: [
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if (name.isNotEmpty)
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pw.Padding(
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padding: const pw.EdgeInsetsDirectional.only(end: 4),
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child: pw.Text(
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name,
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style: pw.Theme.of(context).header4
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)
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),
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pw.Text('<$emailAddress>')
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]
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);
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}
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pw.Widget _createDateTimeWidget({
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required pw.Context context,
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required String dateTime,
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}) {
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return pw.Text(
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dateTime,
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style: pw.Theme.of(context).defaultTextStyle.copyWith(
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fontSize: 10,
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color: pw.PdfColor.fromInt(AppColor.colorTextBody.value)
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)
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);
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}
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pw.Widget _createRecipientRow({
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required String prefix,
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required String emailAddress,
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}) {
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return pw.Row(
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crossAxisAlignment: pw.CrossAxisAlignment.start,
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children: [
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pw.Text('$prefix:'),
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pw.SizedBox(width: 4),
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pw.Expanded(child: pw.Text(emailAddress))
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]
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);
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}
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pw.Widget _createAttachmentTitle({
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required pw.Context context,
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required String title,
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required int totalAttachments,
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}) {
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return pw.Text(
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'$totalAttachments $title',
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style: pw.Theme.of(context).header4
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);
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}
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pw.Widget _createAttachmentRow({
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required pw.Context context,
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required PrintAttachment attachment,
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}) {
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return pw.Padding(
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padding: const pw.EdgeInsets.only(top: 8),
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child: pw.Row(
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children: [
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pw.SvgImage(
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svg: attachment.iconSvg,
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width: 24,
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height: 24
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),
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pw.SizedBox(width: 8),
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pw.Expanded(
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child: pw.Column(
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mainAxisSize: pw.MainAxisSize.min,
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crossAxisAlignment: pw.CrossAxisAlignment.start,
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children: [
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pw.Text(
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attachment.name,
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style: pw.Theme.of(context).header4
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),
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pw.Text(attachment.size)
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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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}
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Future<bool> printEmailToPDF({
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required String appName,
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required String userName,
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required String title,
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required String emailContent,
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required String senderName,
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required String senderEmailAddress,
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required String locale,
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required String dateTime,
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required String toPrefix,
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required String ccPrefix,
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required String bccPrefix,
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required String replyToPrefix,
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required String titleAttachment,
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String? toAddress,
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String? ccAddress,
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String? bccAddress,
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String? replyToAddress,
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List<PrintAttachment>? listAttachment,
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}) async {
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return await Printing.layoutPdf(onLayout: (pw.PdfPageFormat format) async {
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final googleInterRegularFont = await PdfGoogleFonts.interRegular();
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final googleInterBoldFont = await PdfGoogleFonts.interBold();
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final logoAppSvg = await rootBundle.loadString(_imagePaths.icTMailLogo);
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final contentWidget = await _createEmailContentWidget(emailContent);
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final pdfDocument = pw.Document();
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pdfDocument.addPage(
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pw.MultiPage(
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pageFormat: pw.PdfPageFormat.standard,
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orientation: pw.PageOrientation.portrait,
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theme: pw.ThemeData(
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defaultTextStyle: pw.TextStyle(
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font: googleInterRegularFont,
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fontSize: 12,
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color: pw.PdfColors.black
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),
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header3: pw.TextStyle(
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font: googleInterBoldFont,
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fontSize: 14,
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fontWeight: pw.FontWeight.bold,
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color: pw.PdfColors.black
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),
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header4: pw.TextStyle(
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font: googleInterBoldFont,
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fontSize: 12,
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fontWeight: pw.FontWeight.bold,
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color: pw.PdfColors.black
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),
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),
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margin: pw.EdgeInsets.zero,
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build: (context) => _createBodyWidgets(
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context: context,
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contentWidget: contentWidget,
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logoAppSvg: logoAppSvg,
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appName: appName,
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userName: userName,
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title: title,
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htmlDocument: emailContent,
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senderName: senderName,
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senderEmailAddress: senderEmailAddress,
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dateTime: dateTime,
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toPrefix: toPrefix,
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ccPrefix: ccPrefix,
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bccPrefix: toPrefix,
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replyToPrefix: replyToPrefix,
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toAddress: toAddress,
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ccAddress: ccAddress,
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bccAddress: bccAddress,
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replyToAddress: replyToAddress,
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titleAttachment: titleAttachment,
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listAttachment: listAttachment
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),
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header: (context) => _createPageHeader(
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context: context,
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appName: appName,
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title: title,
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locale: locale,
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),
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)
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);
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return await pdfDocument.save();
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});
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}
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}
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