public async Task <bool> UpdateEmailAsync(EmailSentLog emailLog)
{
if (emailLog != null)
{
_context.Update(emailLog);
await _context.SaveChangesAsync();
return(true);
}
return(false);
}
public async Task <bool> LogEmailTransactionAsync(EmailSentLog emailLog)
{
if (emailLog != null)
{
await _context.AddAsync(emailLog);
//await _context.SaveChangesAsync();
return(true);
}
return(false);
}
public async Task SendEmailAsync(string email, string subject, string message, string attachedfiles)
{
try
{
MailMessage mm = new MailMessage();
foreach (string n in email.Split(','))
{
if (!string.IsNullOrWhiteSpace(n))
{
mm.To.Add(new MailAddress(n.Trim()));
}
}
mm.Sender = new MailAddress(_emailSettings.SenderName);
mm.From = new MailAddress(_emailSettings.SenderName);
mm.Subject = subject;
mm.Body = message;
mm.BodyEncoding = UTF8Encoding.UTF8;
mm.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure;
//attachements
if (!string.IsNullOrWhiteSpace(attachedfiles))
{
foreach (string attachm in attachedfiles.Split(';'))
{
if (!string.IsNullOrEmpty(attachm))
{
mm.Attachments.Add(new Attachment(attachm));
}
}
}
mm.BodyEncoding = UTF8Encoding.UTF8;
mm.IsBodyHtml = true;
mm.DeliveryNotificationOptions = DeliveryNotificationOptions.OnFailure;
EmailSentLog emailLog = new EmailSentLog
{
EmailContent = message,
RecipientEmail = email
};
using (var client = new System.Net.Mail.SmtpClient())
{
client.Port = _emailSettings.MailPort;
client.Host = _emailSettings.MailServer;
client.EnableSsl = _emailSettings.SSl; //true
client.Timeout = 20000;
client.DeliveryMethod = SmtpDeliveryMethod.Network;
client.UseDefaultCredentials = false;
client.Credentials = new System.Net.NetworkCredential(_emailSettings.Sender, _emailSettings.Password);
// Note: only needed if the SMTP server requires authentication
//await client.AuthenticateAsync(_emailSettings.Sender, _emailSettings.Password);
try
{
await Task.Run(() =>
client.Send(mm)
);
}
catch (SmtpFailedRecipientsException ex)
{
for (int i = 0; i < ex.InnerExceptions.Length; i++)
{
System.Net.Mail.SmtpStatusCode status = ex.InnerExceptions[i].StatusCode;
if (status == System.Net.Mail.SmtpStatusCode.MailboxBusy ||
status == System.Net.Mail.SmtpStatusCode.MailboxUnavailable)
{
//Console.WriteLine("Delivery failed - retrying in 5 seconds.");
//System.Threading.Thread.Sleep(5000);
client.Send(mm);
}
else
{
//Console.WriteLine("Failed to deliver message to {0}",
// ex.InnerExceptions[i].FailedRecipient);
emailLog.Status = "Failed";
}
}
}
await _emailSentLogRepo.LogEmailAsync(emailLog);
// await client.DisconnectAsync(true);
}
}
catch (Exception ex)
{
// TODO: handle exception
throw new InvalidOperationException(ex.Message);
}
}
