public async Task <IRestResponse> SendAppointmentMail(object appointmentId, UserProfile userProfile)
{
if (userProfile == null || !int.TryParse(appointmentId.ToString(), out var id))
{
throw new InvalidOperationException(); //..???
}
_userProfile = userProfile;
_appointment = _petShelterDbContext.Appointments
.Include(x => x.Pet.Shelter)
.FirstOrDefault(x => x.Id == id);
RestClient client = new RestClient
{
BaseUrl = new Uri(_configuration["Mailgun:Audience"]),
Authenticator = new HttpBasicAuthenticator("api", _configuration["Mailgun:Token"])
};
var request = new RestRequest();
request.AddParameter("domain", _configuration["Mailgun:Domain"], ParameterType.UrlSegment);
request.Resource = "{domain}/messages.mime";
request.AddParameter("to", _configuration["Mailgun:TestMail"]);
var mail = new AppointmentMail()
{
To = _configuration["Mailgun:TestMail"],
From = _configuration["Mailgun:From"],
Subject = $"Je afspraak met {_appointment.Pet.Name}!",
Text = string.Join(Environment.NewLine, GetPlainText()),
TextHtml = string.Concat(GetHtmlBody(GetPlainText())),
Start = _appointment.Start,
PetName = _appointment.Pet.Name,
ICalMessage = GetIcalMessage()
};
request.AddFile(
"message",
Encoding.UTF8.GetBytes(GetMailWithICalInvite(mail)),
"message.mime");
request.Method = Method.POST;
var cancellationTokenSource = new CancellationTokenSource();
return(await client.ExecuteTaskAsync(request, cancellationTokenSource.Token));
}
public ActionResult AppointmentByStudent(AppointmentByStudentModel model)
{
// A student wishes to make an appointment with their counseler.
if (ModelState.IsValid)
{
// Get the logged in student and counseler of the class the student is in.
var student = Student;
var @class = _classRepository.GetById(student.ClassId);
var counseler = CounselerRepository.GetById(@class.CounselerId);
if (counseler != null && student != null)
{
// Create the appointment for the student and couseler.
var appointment = new Appointment
{
CounselerId = counseler.Id,
StudentId = student.Id,
DateTime = model.DateTime,
Location = model.Location
};
int id = _appointmentRepository.Add(appointment);
// Send the appointment request mail.
var mail = new AppointmentMail
{
Counseler = counseler,
Student = student,
DateTime = appointment.DateTime,
Location = appointment.Location,
AcceptUrl = FullUrl("AppointmentResponse", new { id }),
FromCounseler = false
};
_mailHelper.SendAppointmentMail(mail);
return(RedirectToAction("Details", "Appointment", new { id }));
}
}
PrepareStudentCounselingRequestModel(model);
return(View(model));
}
public ActionResult AppointmentByCounseler(AppointmentByCounselerModel model)
{
if (ModelState.IsValid)
{
// Get the logged in counseler and the chosen student.
var counseler = Counseler;
var student = StudentRepository.GetById(model.StudentId);
if (counseler != null && student != null)
{
// Create the appointment for the counseler and student.
var appointment = new Appointment
{
CounselerId = counseler.Id,
StudentId = model.StudentId,
DateTime = model.DateTime,
Location = model.Location
};
int id = _appointmentRepository.Add(appointment);
// Send the appointment mail.
var mail = new AppointmentMail
{
Counseler = counseler,
Student = student,
DateTime = appointment.DateTime,
Location = appointment.Location,
AcceptUrl = FullUrl("AppointmentResponse", new { id }),
FromCounseler = true
};
_mailHelper.SendAppointmentMail(mail);
return(RedirectToAction("Details", "Appointment", new { id }));
}
}
PrepareCounselerCounselingRequestModel(model);
return(View(model));
}
private string GetMailWithICalInvite(AppointmentMail message)
{
var textBody = new TextPart("plain")
{
Text = message.Text
};
var htmlBody = new TextPart("html")
{
Text = message.TextHtml
};
// add views to the multipart/alternative
var alternative = new Multipart("alternative")
{
textBody,
htmlBody
};
if (!string.IsNullOrWhiteSpace(message.ICalMessage))
{
// also add the calendar as an alternative view
// encoded as base64, but 7bit will also work
var calendarBody = new TextPart("calendar")
{
Text = message.ICalMessage,
ContentTransferEncoding = ContentEncoding.Base64
};
// most clients wont recognise the alternative view without the
// method=REQUEST header
calendarBody.ContentType.Parameters.Add("method", "REQUEST");
alternative.Add(calendarBody);
}
// create the multipart/mixed that will contain the multipart/alternative
// and all attachments
var multiPart = new Multipart("mixed")
{
alternative
};
if (!string.IsNullOrWhiteSpace(message.ICalMessage))
{
// add the calendar as an attachment
var calAttachment = new MimePart("application", "ics")
{
ContentDisposition = new ContentDisposition(ContentDisposition.Attachment),
ContentTransferEncoding = ContentEncoding.Base64,
FileName = "invite.ics",
Content = new MimeContent(GenerateStreamFromString(message.ICalMessage))
};
multiPart.Add(calAttachment);
}
// TODO: Add any other attachements to 'multipart' here.
// build final mime message
var mimeMessage = new MimeMessage();
mimeMessage.From.Add(new MailboxAddress("petshelter", message.From));
mimeMessage.To.Add(new MailboxAddress(
_userProfile.Email.Substring(0, _userProfile.Email.IndexOf('@')),
_configuration["Mailgun:TestMail"]));
mimeMessage.Subject = message.Subject;
mimeMessage.Body = multiPart;
// parse and return mime message
return(mimeMessage.ToString());
}
