public static void SendEmail(string emailToken, string from, string template, string[] to, string[] cc, string title, ILogger log)
{
log.LogInformation($"Sending email from {from} with title: {title}");
SendGrid.SendGridClient client = new SendGrid.SendGridClient(emailToken);
SendGrid.Helpers.Mail.SendGridMessage message = new SendGrid.Helpers.Mail.SendGridMessage();
message.SetFrom(from);
foreach (string item in to)
{
if (!string.IsNullOrEmpty(item))
{
message.AddTo(item);
}
}
foreach (string item in cc)
{
if (!string.IsNullOrEmpty(item))
{
message.AddCc(item);
}
}
message.SetSubject($"GitHub Report: {title}");
message.AddContent(MimeType.Html, template);
#if !DEBUG
var emailResult = client.SendEmailAsync(message).GetAwaiter().GetResult();
#else
File.WriteAllText("output.html", template);
#endif
}
private static SendGrid.Helpers.Mail.SendGridMessage getSendGridMessage(EmailMessage message)
{
var m = new SendGrid.Helpers.Mail.SendGridMessage();
SendGrid.Helpers.Mail.EmailAddress getAddress(EmailAddress address) =>
new SendGrid.Helpers.Mail.EmailAddress(address.Address, name: address.DisplayName.Any() ? address.DisplayName : null);
m.From = getAddress(message.From);
// As of 12 September 2017 SendGrid does not support multiple reply-to addresses. See https://github.com/sendgrid/sendgrid-csharp/issues/339.
var replyToAddress = message.ReplyToAddresses.SingleOrDefault();
if (replyToAddress != null)
{
m.ReplyTo = getAddress(replyToAddress);
}
foreach (var i in message.ToAddresses.Select(getAddress))
{
m.AddTo(i);
}
foreach (var i in message.CcAddresses.Select(getAddress))
{
m.AddCc(i);
}
foreach (var i in message.BccAddresses.Select(getAddress))
{
m.AddBcc(i);
}
m.Subject = message.Subject;
foreach (var i in message.CustomHeaders)
{
m.AddHeader(i.Item1, i.Item2);
}
m.PlainTextContent = htmlToPlainText(message.BodyHtml);
m.HtmlContent = message.BodyHtml;
foreach (var i in message.Attachments)
{
if (i.Stream == null)
{
m.AddAttachment(Path.GetFileName(i.FilePath), Convert.ToBase64String(File.ReadAllBytes(i.FilePath)));
}
else
{
using (var stream = new MemoryStream()) {
i.Stream.CopyTo(stream);
m.AddAttachment(i.AttachmentDisplayName, Convert.ToBase64String(stream.ToArray()));
}
}
}
return(m);
}
public override Task SendAsync(MailMessage message)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
var oclient = new SG.SendGridClient(SmtpServer.ApiKey);
var sgMessage = new SG.Helpers.Mail.SendGridMessage();
var from = new SG.Helpers.Mail.EmailAddress();
sgMessage.Subject = message.Subject;
sgMessage.HtmlContent = message.Body;
if (message.From != null)
{
sgMessage.From = new SG.Helpers.Mail.EmailAddress(message.From.Address, message.From.DisplayName);
}
else
{
sgMessage.From = new SG.Helpers.Mail.EmailAddress(DefaultFromEmail, DefaultFromName);
}
if (message.Attachments != null & message.Attachments.Count > 0)
{
foreach (var attachment in message.Attachments)
{
using (var reader = new System.IO.StreamReader(attachment.ContentStream))
{
string contentDisposition = null;
string contentType = null;
if (attachment.ContentDisposition != null)
{
contentDisposition = attachment.ContentDisposition.DispositionType;
}
if (attachment.ContentType != null)
{
contentType = attachment.ContentType.Name;
}
sgMessage.AddAttachment(attachment.Name, reader.ReadToEnd(), contentType, contentDisposition, attachment.ContentId);
}
}
}
foreach (var to in message.To)
{
sgMessage.AddTo(to.Address, to.DisplayName);
}
foreach (var cc in message.CC)
{
sgMessage.AddCc(cc.Address, cc.DisplayName);
}
foreach (var bcc in message.Bcc)
{
sgMessage.AddBcc(bcc.Address, bcc.DisplayName);
}
return(oclient.SendEmailAsync(sgMessage));
}