public void SendEmail(string fromAddr, string fromName, string[] toAddrs, string subject, string message,
AppointmentDefinitionDto appointment = null)
{
if (ForceFailure)
{
throw new InvalidOperationException("Sender failed");
}
}
/// <summary>
/// Creates a vCard for the appointment
/// </summary>
/// <param name="appointment">Appointment data</param>
/// <returns>vCard representation</returns>
private static string GetAppointmentCard(AppointmentDefinitionDto appointment)
{
var str = new StringBuilder();
str.AppendLine("BEGIN:VCALENDAR");
str.AppendLine("PRODID:-//MyCompany//NONSGML myProduct//EN");
str.AppendLine("TZ:+1");
str.AppendLine("VERSION:2.0");
str.AppendLine("METHOD:REQUEST");
str.AppendLine("BEGIN:VEVENT");
str.AppendLine("CLASS:PUBLIC");
str.AppendLine(string.Format("CREATED:{0:yyyyMMddTHHmmss}", DateTime.Now));
str.AppendLine(string.Format("DTSTAMP:{0:yyyyMMddTHHmmss}", DateTime.Now));
str.AppendLine(string.Format("DTSTART:{0}", GetFormattedDateTime(appointment.Date, appointment.StartHour, appointment.StartMinute)));
str.AppendLine(string.Format("DTEND:{0}", GetFormattedDateTime(appointment.Date, appointment.EndHour, appointment.EndMinute)));
str.AppendLine(string.Format("LOCATION:{0}", appointment.Location));
str.AppendLine(string.Format("SUMMARY;LANGUAGE=hu:{0}", appointment.Subject));
str.AppendLine(string.Format("DESCRIPTION:{0}", appointment.Description));
str.AppendLine("TRANSP:OPAQUE");
str.AppendLine(string.Format("UID:{0}", Guid.NewGuid()));
str.AppendLine(string.Format("ORGANIZER:MAILTO:{0}", appointment.OrganizerEmail));
foreach (var recepient in appointment.Recepients)
{
str.AppendLine(string.Format("ATTENDEE;RSVP=TRUE:mailto:{0}", recepient));
}
if (appointment.UseReminder)
{
str.AppendLine("BEGIN:VALARM");
str.AppendLine(string.Format("TRIGGER:-PT{0}M", appointment.ReminderMinutesBefore));
str.AppendLine("ACTION:DISPLAY");
str.AppendLine(string.Format("DESCRIPTION:{0}", appointment.Subject));
str.AppendLine("END:VALARM");
}
str.AppendLine("END:VEVENT");
str.AppendLine("END:VCALENDAR");
return(str.ToString());
}
/// <summary>
/// Send the email defined with the specified parameters
/// </summary>
/// <param name="fromAddr">Address of the sender</param>
/// <param name="fromName">Name of the sender</param>
/// <param name="toAddrs">Addressees</param>
/// <param name="subject">Subject</param>
/// <param name="message">Message body</param>
/// <param name="appointment">Aptional appointment data</param>
public void SendEmail(string fromAddr, string fromName, string[] toAddrs, string subject, string message,
AppointmentDefinitionDto appointment = null)
{
if (!SmtpConfig.Enabled)
{
return;
}
using (var smtp = new SmtpClient(SmtpConfig.SmtpServer, SmtpConfig.PortNumber))
{
smtp.EnableSsl = SmtpConfig.UseSsl;
if (SmtpConfig.SmtpAuth)
{
var smtpUserInfo = new System.Net.NetworkCredential(SmtpConfig.UserName, SmtpConfig.Password);
smtp.UseDefaultCredentials = false;
smtp.Credentials = smtpUserInfo;
}
var mail = new MailMessage
{
Subject = subject,
Body = message,
From = new MailAddress(fromAddr, fromName),
IsBodyHtml = message.Contains("<html"),
};
foreach (var toAddr in toAddrs)
{
if (toAddr.EndsWith("example") ||
toAddr.EndsWith("invalid") ||
toAddr.EndsWith("localhost") ||
toAddr.EndsWith("test") ||
toAddr.EndsWith("local"))
{
throw new InvalidOperationException("Domain name reserved by RFC 6761/6762, email cannot be sent.");
}
mail.To.Add(toAddr);
}
if (appointment != null)
{
var contype = new System.Net.Mime.ContentType("text/calendar");
// ReSharper disable PossibleNullReferenceException
contype.Parameters.Add("method", "REQUEST");
contype.Parameters.Add("name", "Meeting.ics");
var avCal = AlternateView.CreateAlternateViewFromString(GetAppointmentCard(appointment), contype);
mail.AlternateViews.Add(avCal);
// ReSharper restore PossibleNullReferenceException
}
try
{
smtp.Send(mail);
}
catch (Exception ex)
{
Tracer.LogError("SmtpEmailSender.SendEmail", "Sending an email failed", ex.ToString());
if (SmtpConfig.ThrowException)
{
throw;
}
}
}
}
public void SendEmail(string fromAddr, string fromName, string[] toAddrs, string subject, string message,
AppointmentDefinitionDto appointment = null)
{
}
/// <summary>
/// Runs the specific task.
/// </summary>
public override void Run()
{
// --- Get the emails waiting to be sent
List <EmailToSendRecord> emailsToSend;
using (var ctx = DataAccessFactory.CreateReadOnlyContext <IEmailDataOperations>())
{
var emailCount = SmtpConfig.EmailCount;
if (emailCount <= 1)
{
emailCount = 1;
}
emailsToSend = ctx.GetEmailsToSendAsync(DateTimeOffset.UtcNow).Result.Take(emailCount).ToList();
}
// --- Process each email to send
foreach (var emailToSend in emailsToSend)
{
// --- Assemble email body
var templateId = emailToSend.TemplateType;
var template = TemplateDefinitions.FirstOrDefault(t => t.Id == templateId);
if (template == null)
{
// --- Do not send emails without a template
emailToSend.RetryCount = SmtpConfig.MaxRetry;
ProcessEmail(emailToSend,
null,
null,
null,
string.Format("Email template '{0}' not found.", templateId));
continue;
}
// --- Set the email body
var subject = template.Subject;
var message = template.Body;
try
{
var parameters = GetEmailParametersDictionary(emailToSend.Parameters);
foreach (var key in parameters.Keys)
{
var placeholder = "{{" + key + "}}";
message = message.Replace(placeholder, parameters[key]);
subject = subject.Replace(placeholder, parameters[key]);
}
}
catch (Exception ex)
{
// --- Email body assembly failed
emailToSend.RetryCount = SmtpConfig.MaxRetry;
ProcessEmail(emailToSend,
null,
null,
null,
string.Format("Email message construction failed. {0}", ex));
continue;
}
// --- Send out the email
try
{
AppointmentDefinitionDto appointmentInfo = null;
if (emailToSend.Appointment != null)
{
appointmentInfo =
JsonConvert.DeserializeObject <AppointmentDefinitionDto>(emailToSend.Appointment);
}
var senderService = ServiceManager.GetService <IEmailSender>();
senderService.SendEmail(
emailToSend.FromAddr,
emailToSend.FromName,
new[] { emailToSend.ToAddr },
subject,
message,
appointmentInfo);
ProcessEmail(emailToSend, subject, message, emailToSend.Appointment, null);
}
catch (Exception ex)
{
ProcessEmail(emailToSend, null, null, null, ex.ToString());
}
}
try
{
Thread.Sleep(SmtpConfig.SendInterval);
}
catch (SystemException)
{
// --- This exception is caught intentionally
}
}
