void mailFailures()

in github-label-notifier/symbolizer/lib/bot.dart [384:440]

• 53 lines of code
• 7 McCabe index (conditional complexity)

  void mailFailures(
      RepositorySlug repo,
      Issue issue,
      Map<int, _Comment> comments,
      Map<int, SymbolizationResult> symbolized) async {
    if (failuresEmail == null) {
      return;
    }

    final failures = symbolized.onlyFailures;
    if (failures.isEmpty) {
      return;
    }

    final escape = const HtmlEscape().convert;

    final buf = StringBuffer();
    buf.write('''<p>Hello &#x1f44b;</p>
<p>I was asked to symbolize crashes from <a href="${issue.htmlUrl}">issue ${issue.number}</a>, but failed.</p>
''');
    for (var entry in failures.entries) {
      entry.value.when(ok: (results) {
        for (var result in results) {
          buf.writeln('''
<p>When processing <a href="${comments[entry.key].url}">comment</a>, I found crash</p>
<pre>${escape(result.crash.toString())}</pre>
<p>but failed with the following notes:</p>
''');
          for (var note in result.notes) {
            buf.writeln(
                '${noteMessage[note.kind]} <pre>${escape(note.message ?? '')}');
          }
        }
      }, error: (note) {
        buf.writeln('''
<p>When processing <a href="${comments[entry.key].url}">comment</a>, I failed with the following error:</p>
''');
        buf.writeln(
            '${noteMessage[note.kind]} <pre>${escape(note.message ?? '')}');
      });
    }

    if (dryRun) {
      print(buf);
    } else {
      await mailer.send(
        Email(
          [
            Personalization([Address(failuresEmail)])
          ],
          Address('noreply@dart.dev'),
          'symbolization errors for issue #${issue.number}',
          content: [Content('text/html', buf.toString())],
        ),
      );
    }
  }