/// <summary>
/// send a message with send grid api key async
/// </summary>
/// <param name="message"></param>
public static async Task SendGridApiAsync(string sendGridApiKey, MessageCredential credential, MessageSend message)
{
dynamic sg = new SendGridAPIClient(sendGridApiKey);
var mail = PrepareSendGridMessage(credential, message);
dynamic response = await sg.client.mail.send.post(requestBody : mail.Get());
if (response.StatusCode != HttpStatusCode.Accepted)
{
throw new Exception(string.Format("Error {0}, please check {1}", response.StatusCode, "https://sendgrid.com/docs/API_Reference/Web_API_v3/Mail/errors.html"));
}
}
/// <summary>
/// send a message async
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
public static void Send(MessageSend message, MessageCredential credential, MessageServer server)
{
SmtpClient smtpServer = new SmtpClient(server.Host);
smtpServer.Port = server.Port;
smtpServer.EnableSsl = server.EnableSsl;
smtpServer.UseDefaultCredentials = true;
smtpServer.Credentials = new NetworkCredential(credential.UserName, credential.Password);
MailMessage mailMessage = PrepareMessage(message);
mailMessage.From = new MailAddress(credential.UserName, credential.DisplayName);
if (smtpServer != null)
{
smtpServer.Send(mailMessage);
}
}
/// <summary>
/// Get a mail object to sendgrid
/// </summary>
private static Mail PrepareSendGridMessage(MessageCredential credential, MessageSend message)
{
Personalization personalizacion = new Personalization();
foreach (var mailto in message.MailTo)
{
personalizacion.AddTo(new Email(mailto));
}
foreach (var ccp in message.CCP)
{
personalizacion.AddCc(new Email(ccp));
}
foreach (var cco in message.CCO)
{
personalizacion.AddBcc(new Email(cco));
}
Mail mail = new Mail();
mail.From = new Email(credential.UserName, credential.DisplayName);
mail.Subject = message.Subject;
mail.CustomArgs = message.Args;
foreach (var attachment in message.Attachment)
{
Byte[] bytes = File.ReadAllBytes(attachment);
mail.AddAttachment(new SendGrid.Helpers.Mail.Attachment()
{
Filename = Path.GetFileName(attachment), Content = Convert.ToBase64String(bytes)
});
bytes = null;
}
mail.AddContent(new Content("text/html", message.Body));
mail.AddPersonalization(personalizacion);
return(mail);
}