‫الگوی وب-صف-کارگر: مقیاس‌پذیری با رویکردی عمل‌گرایانه

[HttpPost("send-welcome-email")]
public IActionResult SendWelcomeEmail([FromBody] EmailRequest request)
{
    var message = JsonSerializer.Serialize(request);
    _queueClient.SendMessage(message); // ارسال پیام به صف
    return Ok("درخواست ارسال ایمیل ثبت شد.");
}

public class EmailWorker : BackgroundService
{
    private readonly IQueueClient _queueClient;
    private readonly IEmailService _emailService;

    public EmailWorker(IQueueClient queueClient, IEmailService emailService)
    {
        _queueClient = queueClient;
        _emailService = emailService;
    }

    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
    {
        while (!stoppingToken.IsCancellationRequested)
        {
            var message = await _queueClient.ReceiveMessageAsync();
            if (message != null)
            {
                var request = JsonSerializer.Deserialize<EmailRequest>(message);
                await _emailService.SendEmailAsync(request);
            }
        }
    }
}