refactor(api): Update EmailsController and EmailSenderWorker for simplified email sending

src/DigitalData.EmailProfiler.API/Controllers/EmailsController.cs

@@ -23,15 +23,14 @@ public class EmailsController(IMediator mediator) : ControllerBase
     [ProducesResponseType(StatusCodes.Status400BadRequest)]
     public async Task<IActionResult> SendEmail([FromBody] SendEmailCommand command, CancellationToken cancellationToken)
     {
-        var emailOutboxId = await mediator.Send(command, cancellationToken);
+        var outgoingEmailEvent = await mediator.Send(command, cancellationToken);
 
         return Accepted(new
         {
-            Message = "Email queued for sending",
-            EmailOutboxId = emailOutboxId,
-            To = command.Recipient,
-            command.Subject,
-            QueuedAt = DateTime.Now
+            CommandId = outgoingEmailEvent.Id,
+            To = outgoingEmailEvent.Recipient,
+            outgoingEmailEvent.Subject,
+            outgoingEmailEvent.QueuedAt
         });
     }
 }

src/DigitalData.EmailProfiler.API/Workers/EmailSenderWorker.cs

@@ -1,5 +1,6 @@
+using DigitalData.EmailProfiler.Application.Common.Events;
 using DigitalData.EmailProfiler.Application.Common.Interfaces;
-using DigitalData.EmailProfiler.Domain.Entities;
+using DigitalData.EmailProfiler.Application.EmailSending.Commands;
 
 namespace DigitalData.EmailProfiler.API.Workers;
 
@@ -53,27 +54,27 @@ public class EmailSenderWorker(
     /// Process single email message (callback from RabbitMQ consumer)
     /// NO database operations - only send email and log result
     /// </summary>
-    private async Task ProcessEmailAsync(EmailOutbox emailOutbox)
+    private async Task ProcessEmailAsync(OutgoingEmailEvent outgoingEmailEvent)
     {
         try
         {
             Logger.LogInformation("Processing outgoing email: To={To}, Subject={Subject}",
-                emailOutbox.Recipient, emailOutbox.Subject);
+                outgoingEmailEvent.Recipient, outgoingEmailEvent.Subject);
 
             // Send email via SMTP (SMTP config is injected in IEmailService via IOptions)
             await EmailService.SendEmailAsync(
-                emailOutbox.Recipient,
-                emailOutbox.Subject,
-                emailOutbox.Body,
-                isHtml: emailOutbox.IsHtml);
+                outgoingEmailEvent.Recipient,
+                outgoingEmailEvent.Subject,
+                outgoingEmailEvent.Body,
+                isHtml: outgoingEmailEvent.IsHtml);
 
             Logger.LogInformation("Email sent successfully: To={To}, Subject={Subject}",
-                emailOutbox.Recipient, emailOutbox.Subject);
+                outgoingEmailEvent.Recipient, outgoingEmailEvent.Subject);
         }
         catch (Exception ex)
         {
             Logger.LogError(ex, "Failed to send email: To={To}, Subject={Subject}. Moving to DLQ.",
-                emailOutbox.Recipient, emailOutbox.Subject);
+                outgoingEmailEvent.Recipient, outgoingEmailEvent.Subject);
 
             // Re-throw to trigger NACK in RabbitMQ consumer (requeue=false → DLQ)
             throw;