Topic: SendEmailAsync with Attchment.
I'd like some help applying IEmailSender Interface to a class of mine called EmailSender.
This interface apply one method called SendEmailAsync(String email, String subject, String message) which works perfectly!
In some cases i want to send emails with attachments of type base64 string ,using the same way or something similar is it possible or is there a way i didn't think of to manipulate the class?
EmailSender.cs
public class EmailSender: IEmailSender
{
public EmailOptions Options { get; set; }
public EmailSender(IOptions emailOptions)
{
Options = emailOptions.Value;
}
public Task SendEmailAsync(string email, string subject, string message)
{
return Execute(Options.SendGridKey, subject, message, email);
}
private Task Execute(string sendGridKey, string subject, string message, string email)
{
var client = new SendGridClient(sendGridKey);
var msg = new SendGridMessage()
{
From = new EmailAddress("no-reply@---", "no-reply"),
Subject = subject,
PlainTextContent = message,
HtmlContent = message
};
msg.AddTo(new EmailAddress(email));
try
{
return client.SendEmailAsync(msg);
}
catch (Exception ex)
{
Console.WriteLine("{0} First exception caught.", ex);
}
return null;
}
}
when called
await _emailSender.SendEmailAsync(
_db.Users.Where("aa@aa.com"
"email subject",
"blah" + blah ");
Author: TEJA
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PARTH
Please refer to the below example -
You can modify the demo below according to your needs.
UserMailViewModel:
public class UserMailViewModel
{
public string Sender { get; set; }
public string SenderPassword { get; set; }
public string Recipients { get; set; }
public string Subject { get; set; }
public string Body { get; set; }
public IFormFile Attachment { get; set; }
}
View:
@ViewBag.Message
@model DailyCoreMVCDemo.Models.UserMailViewModel
EmailSender:
public class EmailSender : IEmailSender
{
public IFormFile Attachment { get; set; }
public EmailOptions Options { get; set; }
public Task
{
throw new NotImplementedException();
}
public async Task
{
var client = new SendGridClient("xxxxxxx");
var from = new EmailAddress(Options.SenderAccount,"Example User");
var subject =input.Subject;
var to = new EmailAddress(input.Recipients,"Example User");
var htmlContent =input.Body;
var msg = MailHelper.CreateSingleEmail(from, to, subject, null, htmlContent);
if (Attachment != null)
{
var ms = new MemoryStream();
Attachment.CopyTo(ms);
var fileBytes = ms.ToArray();
string file = Convert.ToBase64String(fileBytes);
msg.AddAttachment(Attachment.FileName, file);
}
var response = await client.SendEmailAsync(msg);
return response.IsSuccessStatusCode;
}
}
Controller:
public class EmailSenderController : Controller
{
private EmailSender _emailSender;
public EmailSenderController(EmailSender emailSender)
{
_emailSender = emailSender;
}
public IActionResult Index()
{
return View();
}
[HttpPost]
public async Task
{
_emailSender.Attachment = model.Attachment;
_emailSender.Options = new AspNetCore.Email.EmailOptions {
SenderAccount=model.Sender,
SenderPassword=model.SenderPassword
};
EmailDto msg = new EmailDto {
Recipients=model.Recipients,
Body=model.Body,
Subject=model.Body
};
var result=await _emailSender.SendEmailAsync(msg);
if (result)
{
ViewBag.Message = "success";
}
else
{
ViewBag.Message = "fail";
}
return View();
}
}