/// <summary>
/// Fired when an exception occurs.
/// </summary>
/// <param name="filterContext">The exception context.</param>
public override void OnException(ExceptionContext filterContext)
{
// Get the exception
var ex = filterContext.Exception;
// Log it
try
{
var mailer = new SmtpMailer();
Task.Run(async () => await mailer.Send(_from, _to, string.Format(_subjectFormat, ex.GetType()), ex.ToString())).Wait();
}
catch
{
// Exception handler CANNOT raise an exception!
}
// Set exception handled
filterContext.ExceptionHandled = true;
}
// THe subject format
/// <summary>
/// The constructor.
/// </summary>
/// <param name="smtpMailer">The SMTP mailer to use.</param>
/// <param name="from">The from email address.</param>
/// <param name="to">The to email address.</param>
/// <exception cref="System.ArgumentNullException">Thrown when smtpMailer is null.</exception>
/// <exception cref="System.ArgumentException">Thrown when from or to is null, empty, or white space.</exception>
public EmailErrorAttribute(SmtpMailer smtpMailer, string from, string to)
{
// Sanitize
if (smtpMailer == null)
{
throw new ArgumentNullException("smtpMailer");
}
if (string.IsNullOrWhiteSpace(from))
{
throw new ArgumentException("cannot be null, empty, or white space", "from");
}
if (string.IsNullOrWhiteSpace(to))
{
throw new ArgumentException("cannot be null, empty, or white space", "to");
}
// Set fields
_smtpMailer = smtpMailer;
_from = from;
_to = to;
}
