public async Task SendEmailBookToInterestedUsers(Book book)
{
int MAX_DESTINATIONS = int.Parse(_configuration["AWSSQSSettings:MaxDestinationsPerMessage"]);
var vm = new
{
Book = book,
ServerSettings = _serverSettings,
name = "{name}"// recebe {name} pois e o padrao que o servico Consumer reconhece para substituicao para o nome do usuario para o qual ira enviar o email
};
var html = await _emailTemplate.GenerateHtmlFromTemplateAsync(NewBookNotifyTemplate, vm);
var message = new AWSSQSMessageNewBookNotifyRequest
{
Subject = $"Chegou um livro de {book.Category.Name}",
BodyHTML = html
};
var interestedUsers = _userService.GetBySolicitedBookCategory(book.CategoryId);
int maxMessages = interestedUsers.Count() % MAX_DESTINATIONS == 0 ? interestedUsers.Count() / MAX_DESTINATIONS : interestedUsers.Count() / MAX_DESTINATIONS + 1;
for (int i = 1; i <= maxMessages; i++)
{
var destinations = interestedUsers.Skip((i - 1) * MAX_DESTINATIONS).Take(MAX_DESTINATIONS).Select(u => new DestinationRequest {
Name = u.Name, Email = u.Email
});
message.Destinations = destinations.ToList();
await _AWSSQSService.SendNewBookNotifyToAWSSQSAsync(message);
}
}
public async Task SendNewBookNotifyToAWSSQSAsync(AWSSQSMessageNewBookNotifyRequest message)
{
if (_AWSSQSSettings.IsActive)
{
var request = new SendMessageRequest
{
DelaySeconds = (int)TimeSpan.FromSeconds(5).TotalSeconds,
MessageBody = System.Text.Json.JsonSerializer.Serialize(message),
QueueUrl = _AWSSQSSettings.QueueUrl
};
await _amazonSQSClient.SendMessageAsync(request);
}
}
