private MailMessage GetMailMessage(Exception exception, string to)
{
var error = new Error(exception);
var subject = error.Message.Replace("\r", string.Empty).Replace("\n", string.Empty);
var html = true;
var body = "An error occurred.";
try
{
var writer = new StringWriter();
var formatter = new ErrorMailHtmlFormatter();
formatter.Format(writer, error);
body = writer.ToString();
}
catch(Exception)
{
// some exceptions may creep up before we have access to the html formatter
html = false;
var builder = new StringBuilder(body);
builder.AppendLine();
builder.AppendLine();
builder.AppendLine(exception.Message);
builder.AppendLine();
builder.AppendLine(exception.StackTrace);
body = builder.ToString();
}
return new MailMessage(_from, to)
{
Subject = subject,
IsBodyHtml = html,
Body = body,
};
}
private MailMessage CreateMailMessage(Exception exception)
{
var error = new Error(exception);
var subject = error.Message.Replace("\r", string.Empty).Replace("\n", string.Empty);
var isHtml = true;
var body = "An error occurred.";
try
{
var writer = new StringWriter();
var formatter = new ErrorMailHtmlFormatter();
formatter.Format(writer, error);
body = writer.ToString();
}
catch (Exception)
{
// some exceptions may creep up before we have access to the html formatter
isHtml = false;
var builder = new StringBuilder(body);
builder.AppendLine();
builder.AppendLine();
builder.AppendLine(exception.Message);
builder.AppendLine();
builder.AppendLine(exception.StackTrace);
body = builder.ToString();
}
var tos = _appConfiguration.MailExceptionTo.ToArray();
var mailMessage = new MailMessage(_appConfiguration.MailFromDefault, tos.First())
{
Subject = subject,
Body = body,
IsBodyHtml = isHtml,
};
foreach (var to in tos.Skip(1)) mailMessage.To.Add(to);
return mailMessage;
}
public void LogException(Exception exception)
{
var error = new Error(exception);
// first try to post it to the Elmah log
try
{
var log = ErrorLog.GetDefault(null);
if (log != null)
{
log.Log(error);
}
}
catch (Exception ex)
{
Trace.WriteLine(string.Format("Failed to add exception to Elmah error logger: {0}", ex.Message), "Error");
}
// second try to send it via Elmah mail
try
{
var writer = new StringWriter();
var formatter = new ErrorMailHtmlFormatter();
formatter.Format(writer, error);
var message = new MailMessage(_config.EmailDefaultFromAddress,
_config.EmailEmergencyAddresses)
{
Subject = error.Message.Replace("\r", string.Empty).Replace("\n", string.Empty),
IsBodyHtml = true,
Body = writer.ToString(),
};
var client = new SmtpClient();
client.Send(message);
}
catch (Exception ex)
{
Trace.WriteLine(string.Format("Failed to send Elmah exception email: {0}", ex.Message), "Error");
}
}