public static async Task SendEmail(
[ActivityTrigger] UpdateUserEmailDto user,
[SendGrid(ApiKey = "SendgridKey", From = "Spitball <*****@*****.**>")] IAsyncCollector <SendGridMessage> emailProvider,
[Inject] IQueryBus queryBus,
[Inject] IUrlBuilder urlBuilder,
[Inject] IDataProtectionService dataProtectService,
[Inject] IHostUriService hostUriService,
CancellationToken token)
{
var code = dataProtectService.ProtectData(user.UserId.ToString(), DateTimeOffset.UtcNow.AddDays(3));
var uri = hostUriService.GetHostUri();
var questionNvc = new NameValueCollection()
{
["width"] = "86",
["height"] = "96",
["mode"] = "crop"
};
var q = new GetUpdatesEmailByUserQuery(user.UserId, user.Since);
var result = (await queryBus.QueryAsync(q, token)).ToList();
if (result.Count == 0)
{
return;
}
var courses = result.GroupBy(g => g.Course).Take(3).Select(s =>
{
var emailUpdates = s.Take(4).ToList();
return(new Course()
{
Name = s.Key,
Url = urlBuilder.BuildCourseEndPoint(s.Key),
NeedMore = emailUpdates.Count == 4,
Documents = emailUpdates.OfType <DocumentUpdateEmailDto>().Select(document =>
{
var uriBuilder = new UriBuilder(uri)
{
Path = $"api/image/document/{document.Id}",
};
uriBuilder.AddQuery(questionNvc);
return new Document()
{
Url = urlBuilder.BuildDocumentEndPoint(document.Id, new { token = code }),
Name = document.Name,
UserName = document.UserName,
DocumentPreview = uriBuilder.ToString(),
UserImage = BuildUserImage(document.UserId, document.UserImage, document.UserName, hostUriService)
};
}),
Questions = emailUpdates.OfType <QuestionUpdateEmailDto>().Select(question => new Question()
{
QuestionUrl = urlBuilder.BuildQuestionEndPoint(question.QuestionId, new { token = code }),
QuestionText = question.QuestionText,
UserImage = BuildUserImage(question.UserId, question.UserImage, question.UserName, hostUriService),
UserName = question.UserName,
AnswerText = question.AnswerText
})
});
});
var templateData = new UpdateEmail(user.UserName, user.ToEmailAddress, user.Language.TextInfo.IsRightToLeft)
{
DocumentCountUpdate = result.OfType <DocumentUpdateEmailDto>().Count(),
QuestionCountUpdate = result.OfType <QuestionUpdateEmailDto>().Count(),
Courses = courses
};
var message = new SendGridMessage
{
Asm = new ASM {
GroupId = UnsubscribeGroup.Update
},
TemplateId = Equals(user.Language, Language.Hebrew.Info)
? HebrewTemplateId : EnglishTemplateId
};
templateData.To = user.ToEmailAddress;
var personalization = new Personalization
{
TemplateData = templateData
};
message.Personalizations = new List <Personalization>()
{
personalization
};
message.AddCategory("updates");
message.TrackingSettings = new TrackingSettings
{
Ganalytics = new Ganalytics
{
UtmCampaign = "updates",
UtmSource = "SendGrid",
UtmMedium = "Email",
Enable = true
}
};
message.AddTo(user.ToEmailAddress);
await emailProvider.AddAsync(message, token);
await emailProvider.FlushAsync(token);
}