Merge pull request 'Fixed email sending logic' (#28) from emailjobs into master

Reviewed-on: #28

LiteCharms.Features.Tests/NotificationsFeatureTests.cs

@@ -1,4 +1,5 @@
 using LiteCharms.Features.Shop.Notifications;
+using LiteCharms.Features.Shop.Notifications.Events;
 
 namespace LiteCharms.Features.Tests;
 
@@ -32,4 +33,14 @@ public class NotificationsFeatureTests(CommonFixture fixture, ITestOutputHelper
 
         foreach (var error in createResult.Errors) output.WriteLine(error.Message);
     }
+
+    [Fact]
+    public async Task ProcessEmailNotificationsEvent_ShouldSucceed()
+    {
+        var notification = ProcessEmailNotificationsEvent.Create();
+
+        await fixture.Mediator.Publish(notification);
+
+        Assert.True(true);
+    }
 }

LiteCharms.Features/Email/EmailService.cs

@@ -35,8 +35,9 @@ public class EmailService(IOptions<SmtpSettings> options) : IDisposable
 
             var bodyBuilder = new BodyBuilder();
 
-            foreach (var attachment in message.Body?.Attachments!)
-                bodyBuilder.Attachments.Add(attachment.Name!, attachment.FileStream!, cancellationToken);
+            if (message.Body!.Properties.HasAttachments)
+                foreach (var attachment in message.Body?.Attachments!)
+                    bodyBuilder.Attachments.Add(attachment.Name!, attachment.FileStream!, cancellationToken);
 
             if (!message.Body.Properties.IsHtml) bodyBuilder.TextBody = message.Body.Message;
             if (message.Body.Properties.IsHtml) bodyBuilder.HtmlBody = message.Body.Message;

LiteCharms.Features/Quartz/JobOrchestrator.cs

@@ -50,7 +50,7 @@ public class JobOrchestrator(ISchedulerFactory schedulerFactory) : IJobOrchestra
 
         var trigger = global::Quartz.TriggerBuilder.Create()
             .WithIdentity(triggerKey)
-            .WithDescription($"Scheduled via Main Job at {now:g} UTC")
+            .WithDescription($"Scheduled via Main Job at {now:g}")
             .WithCronSchedule(cronExpression, cron => cron
                 .WithMisfireHandlingInstructionIgnoreMisfires())
             .StartAt(now)

LiteCharms.Features/Quartz/MediatorJob.cs

@@ -10,16 +10,28 @@ public class MediatorJob<TNotification>(IMediator mediator) : IJob where TNotifi
     {
         var data = context.MergedJobDataMap["Payload"] as string;
 
-        if (string.IsNullOrWhiteSpace(data)) return;
+        if (string.IsNullOrWhiteSpace(data))
+        {
+            Trace.WriteLine("Job Payload missing, job ended");
+
+            return;
+        }
 
         var notification = JsonSerializer.Deserialize<TNotification>(data);
 
-        if (notification is null) return;
+        if (notification is null)
+        {
+            Trace.WriteLine("Notification could not be JSon converted from data string, job ended");
+
+            return;
+        }
                 
         using var activity = MediatorTelemetry.Source.StartActivity($"Quartz: {typeof(TNotification).Name}");
                 
         activity?.SetTag("event.correlation_id", notification.CorrelationId);
 
         await mediator.Publish(notification, context.CancellationToken);
+
+        Trace.WriteLine("Job published");
     }
 }

LiteCharms.Features/Shop/Notifications/Events/Handlers/ProcessEmailNotificationsEventHandler.cs

@@ -1,4 +1,5 @@
-using LiteCharms.Features.Email;
+using k8s.KubeConfigModels;
+using LiteCharms.Features.Email;
 using LiteCharms.Features.Shop.Notifications.Models;
 using LiteCharms.Features.Shop.Postgres;
 
@@ -15,17 +16,20 @@ public class ProcessEmailNotificationsEventHandler(IDbContextFactory<ShopDbConte
         {
             using var context = await contextFactory.CreateDbContextAsync(cancellationToken);
 
+            if (emailService.Status != EmailStatuses.Connected)
+                await emailService.ConnectAsync(cancellationToken);
+
             var notifications = await context.Notifications
                 .OrderByDescending(o => o.CreatedAt)
                 .ThenBy(o => o.Priority)
-                .Where(n => n.CorrelationIdType == CorrelationIdTypes.Email)
-                .Where(n => n.Direction == NotificationDirection.Outgoing)
+                .Where(n => n.Platform == NotificationPlatforms.Email && 
+                    n.Direction == NotificationDirection.Outgoing && n.Processed == false)
                 .Take(message.MaxRecords)
                 .ToListAsync(cancellationToken);
 
             foreach (var notification in notifications)
             {
-                if (dropBatch || cancellationToken.IsCancellationRequested) break;
+                if (dropBatch) break;
 
                 var sendResult = await SendEmailAsync(notification,emailService, cancellationToken);
 
@@ -46,12 +50,16 @@ public class ProcessEmailNotificationsEventHandler(IDbContextFactory<ShopDbConte
                 notification.UpdatedAt = DateTime.UtcNow;
             }
 
-            await context.SaveChangesAsync(cancellationToken);
+            await context.SaveChangesAsync(cancellationToken);            
         }
         catch (Exception ex)
         {
             logger.LogError(ex, ex.Message);
         }
+        finally
+        {
+            await emailService.DisconnectAsync(cancellationToken);
+        }
     }
 
     private async Task<Result> SendEmailAsync(Notification notification, EmailService service, CancellationToken cancellationToken = default)

LiteCharms.Features/Shop/Notifications/Events/ProcessEmailNotificationsEvent.cs

@@ -8,6 +8,8 @@ public class ProcessEmailNotificationsEvent : EventBase, IEvent
 
     public int MaxRecords { get; set; }
 
+    public ProcessEmailNotificationsEvent() { MaxRecords = 1000; }
+
     private ProcessEmailNotificationsEvent(int maxRecords = 1000) => MaxRecords = maxRecords;
 
     public static ProcessEmailNotificationsEvent Create(int maxRecords = 1000) => new(maxRecords);