feat: consume transactional email notifications

Add contract validation, SMTP delivery results, terminal failure context, neutral development seeding, and local Docker setup. Ref: IT-1033
2026-08-04 12:32:28 +03:00
parent b8435ac07b
commit 2757869176
37 changed files with 1465 additions and 122 deletions
@@ -0,0 +1,63 @@
+namespace HrynCo.NotificationService.Worker.Services.EmailProcessing;
+
+using HrynCo.NotificationService.Contracts.Messages;
+using Hrynco.RabbitMq;
+using Microsoft.Extensions.Logging;
+
+internal sealed class NotificationResultPublisher : INotificationResultPublisher
+{
+    private readonly ILogger<NotificationResultPublisher> _logger;
+    private readonly IRabbitMqPublisher _publisher;
+
+    public NotificationResultPublisher(
+        IRabbitMqPublisher publisher,
+        ILogger<NotificationResultPublisher> logger)
+    {
+        _publisher = publisher;
+        _logger = logger;
+    }
+
+    public async Task PublishAsync(
+        SendEmailMessage message,
+        string? deliveryError,
+        CancellationToken cancellationToken)
+    {
+        CorrelationContext correlationContext = message.CorrelationContext;
+        string? replyTo = correlationContext.ReplyTo;
+        if (string.IsNullOrWhiteSpace(replyTo))
+        {
+            return;
+        }
+
+        try
+        {
+            var result = new NotificationResultMessage
+            {
+                CorrelationContext = correlationContext with { ReplyTo = null },
+                Data = new NotificationResultData
+                {
+                    ServiceName = message.Data.ServiceName,
+                    RecipientEmail = message.Data.RecipientEmail,
+                    TemplateKey = message.Data.TemplateKey,
+                    Timestamp = DateTimeOffset.UtcNow,
+                    ErrorMessage = deliveryError
+                }
+            };
+
+            await _publisher.PublishAsync(replyTo, result, cancellationToken);
+
+            _logger.LogDebug(
+                "Notification result published to reply queue {Queue} [CorrelationId={CorrelationId}]",
+                replyTo,
+                correlationContext.CorrelationId);
+        }
+        catch (Exception exception)
+        {
+            _logger.LogWarning(
+                exception,
+                "Failed to publish notification result to reply queue {Queue} [CorrelationId={CorrelationId}]",
+                replyTo,
+                correlationContext.CorrelationId);
+        }
+    }
+}