public void SendEmail(Email email)
{
Log.Info("Sending email from '{0}' to '{1}' with subject '{2}'.",
email.From,
email.To,
email.Subject);
try
{
TrySendEmail(email);
email.IsSent = true;
email.SendTime = DateTime.UtcNow;
Log.Info("Email from '{0}' to '{1}' with subject '{2}' was sent successfully with attempt #{3}",
email.From,
email.To,
email.Subject,
email.SendAttempt);
}
catch (SmtpException ex)
{
Log.Error("Email sending failed. Exception {0}", ex.ToString());
email.IsSent = false;
}
catch (InvalidOperationException ex)
{
Log.Error("Email sending failed. Exception {0}", ex.ToString());
email.IsSent = false;
}
finally
{
email.SendAttempt++;
email.IsForceSend = false;
_emailRepository.Save(email);
}
}
private static void TrySendEmail(Email email)
{
var mailToSend = new MailMessage();
mailToSend.To.Add(email.To);
mailToSend.From = new MailAddress(email.From);
mailToSend.Subject = email.Subject;
mailToSend.Body = email.Body;
mailToSend.IsBodyHtml = email.IsHtml;
var smtp = new SmtpClient();
smtp.Send(mailToSend);
}
private bool ShouldBeSend(Email email)
{
if (email.IsForceSend)
{
return true;
}
if (email.SendAttempt >= _resendingIntervalsInMinutes.Length)
{
return false;
}
return email.SubmitTime.AddMinutes(_resendingIntervalsInMinutes[email.SendAttempt]) < DateTime.UtcNow;
}