public async Task SendAsync(Email email, string fromEmail = null, CancellationToken cancellation = default)
{
// Prepare the SendGridMessage
var msg = new SendGridMessage();
msg.SetFrom(new EmailAddress(email: fromEmail ?? _options.DefaultFromEmail, name: _options.DefaultFromName));
msg.AddTo(new EmailAddress(email.ToEmail));
msg.SetSubject(email.Subject);
msg.AddContent(MimeType.Html, email.Body);
msg.AddCustomArg(EmailIdKey, email.EmailId.ToString());
msg.AddCustomArg(TenantIdKey, email.TenantId.ToString());
// Send it to SendGrid using their official C# library
await SendEmailAsync(msg, cancellation);
}
private async Task Resend(IDurableEntityContext context)
{
var state = context.GetState <MailEntity>();
var sendGrid = new SendGridClient(Environment.GetEnvironmentVariable("SENDGRID_APIKEY"));
var sendGridMessage = new SendGridMessage
{
From = new EmailAddress(Environment.GetEnvironmentVariable("FROM_ADDRESS")),
Subject = state.Message.Subject,
PlainTextContent = state.Message.Body
};
sendGridMessage.AddTo(state.Message.To);
sendGridMessage.AddCustomArg("entitykey", context.Key);
await sendGrid.SendEmailAsync(sendGridMessage);
context.SignalEntity(new EntityId(nameof(MailStatusEntity), state.Status), "Remove", context.Key);
state.Status = "resending";
state.LastUpdatedAt = DateTime.Now;
context.SignalEntity(new EntityId(nameof(MailStatusEntity), state.Status), "Add", context.Key);
context.SetState(state);
}
private SendGridMessage GetSendGridMessage(List <EmailInfoItem> batch, EmailAddress from,
SendGridAccount sendGridAccount, EmailInfo emailInfo)
{
var sendGridMessage = new SendGridMessage();
sendGridMessage.SetFrom(from);
if (emailInfo.TemplateData != null)
{
sendGridMessage.TemplateId = sendGridAccount.TemplateId;
}
else
{
sendGridMessage.SetGlobalSubject(emailInfo.Subject);
if (!string.IsNullOrEmpty(emailInfo.PlainTextContent))
{
sendGridMessage.AddContent(MimeType.Text, emailInfo.PlainTextContent);
}
if (!string.IsNullOrEmpty(emailInfo.HtmlContent))
{
sendGridMessage.AddContent(MimeType.Html, emailInfo.HtmlContent);
}
}
for (var personalizationIndex = 0; personalizationIndex < batch.Count; ++personalizationIndex)
{
var emailInfoItem = batch[personalizationIndex];
var to = GetEmailAddress(emailInfoItem);
sendGridMessage.AddTo(to, personalizationIndex);
if (emailInfo.TemplateData != null)
{
sendGridMessage.SetTemplateData(emailInfo.TemplateData, personalizationIndex);
}
if (emailInfoItem.Email != null)
{
sendGridMessage.AddCustomArg("EmailId", emailInfoItem.Email.Id.ToString(), personalizationIndex);
}
}
if (emailInfo.SendAt != null)
{
sendGridMessage.SendAt = new DateTimeOffset(emailInfo.SendAt.Value).ToUnixTimeSeconds();
}
if (emailInfo.AttachmentName != null)
{
sendGridMessage.AddAttachment(emailInfo.AttachmentName, emailInfo.AttachmentBase64Content);
}
return(sendGridMessage);
}
public async Task SendBulkAsync(IEnumerable <Email> emails, string fromEmail = null, CancellationToken cancellation = default)
{
// Prepare the SendGridMessage
var msg = new SendGridMessage();
msg.SetFrom(new EmailAddress(email: fromEmail ?? _options.DefaultFromEmail, name: _options.DefaultFromName));
msg.AddContent(MimeType.Html, Placeholder);
foreach (var(email, index) in emails.Select((e, i) => (e, i)))
{
msg.AddTo(new EmailAddress(email.ToEmail), index);
msg.SetSubject(email.Subject, index);
msg.AddSubstitutions(new Dictionary <string, string> {
{ Placeholder, email.Body }
}, index);
msg.AddCustomArg(EmailIdKey, email.EmailId.ToString(), index);
msg.AddCustomArg(TenantIdKey, email.TenantId.ToString(), index);
}
// Send it to SendGrid using their official C# library
await SendEmailAsync(msg, cancellation);
}
private async Task Send(IDurableEntityContext context)
{
var message = context.GetInput <MailMessage>();
var sendGrid = new SendGridClient(Environment.GetEnvironmentVariable("SENDGRID_APIKEY"));
var sendGridMessage = new SendGridMessage
{
From = new EmailAddress("*****@*****.**"),
Subject = message.Subject,
PlainTextContent = message.Body
};
sendGridMessage.AddTo(message.To);
sendGridMessage.AddCustomArg("entitykey", context.Key);
await sendGrid.SendEmailAsync(sendGridMessage);
context.SetState(new MailEntity {
Message = message, SentAt = DateTime.Now
});
}
public void AddAuthenticationSignature(SendGridMessage msg)
{
msg.AddCustomArg("AuthenticationSignature", "SomeAuthenticationSignature");
}