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@@ -16,8 +16,8 @@ import 'package:device_info_plus/device_info_plus.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_mailer/flutter_mailer.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:url_launcher/url_launcher.dart';
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class ExceptionHandler {
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static bool _hasError = false;
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@@ -70,39 +70,60 @@ class ExceptionHandler {
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);
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}
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// Hash Wallet: the original Cake implementation used flutter_mailer to
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// hand the error.txt to the OS mail client. That plugin has no Linux
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// implementation (throws MissingPluginException) and on other platforms
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// many users have no mail client configured, so very few reports ever
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// reached anyone. Instead, we open a prefilled GitHub issue. Users
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// without a GH account get nothing useful, but the trade-off beats
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// pretending the mail flow works.
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//
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// GitHub's "new issue" URL caps the body at ~8KB before truncating, so
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// we send the tail of error.txt (most recent exception is usually most
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// relevant) and prepend a hint to attach the full file.
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static const _issueUrl =
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'https://github.com/Such-Software/hash-wallet/issues/new';
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static const _maxBodyChars = 6500;
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static void _sendExceptionFile() async {
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try {
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if (_file == null) {
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final appDocDir = await getAppDir();
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_file = File('${appDocDir.path}/error.txt');
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}
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await _addDeviceInfo(_file!);
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// Check if a mail client is available
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final bool canSend = await FlutterMailer.canSendMail();
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final fullBody = await _file!.readAsString();
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final trimmed = fullBody.length > _maxBodyChars
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? '...(truncated, full log at ${_file!.path})\n\n${fullBody.substring(fullBody.length - _maxBodyChars)}'
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: fullBody;
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if (Platform.isIOS && !canSend) {
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printV('Mail app is not available');
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final body = '''
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<!-- Thanks for reporting. The trace below was captured automatically.
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Please add a short description of what you were doing when the error
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appeared (e.g. "creating wallet", "restoring from seed", "sending Tx"). -->
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---
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$trimmed
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''';
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final uri = Uri.https('github.com', '/Such-Software/hash-wallet/issues/new', {
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'title': 'App error report',
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'labels': 'bug,from-app',
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'body': body,
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});
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final launched = await launchUrl(uri, mode: LaunchMode.externalApplication);
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if (!launched) {
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printV('Could not open GitHub issue URL: $uri');
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return;
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}
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final MailOptions mailOptions = MailOptions(
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subject: 'Mobile App Issue',
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recipients: ['support@such.software'],
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attachments: [_file!.path],
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);
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final result = await FlutterMailer.send(mailOptions);
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// Clear file content if the error was sent or saved.
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// On android we can't know if it was sent or saved
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if (result.name == MailerResponse.sent.name ||
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result.name == MailerResponse.saved.name ||
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result.name == MailerResponse.android.name) {
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_file!.writeAsString("", mode: FileMode.write);
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}
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// Clear the file now that the user has been handed the trace.
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await _file!.writeAsString('', mode: FileMode.write);
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} catch (e, s) {
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_saveException(e.toString(), s);
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}
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