refactoring and integration tests

PracticeCalendar.Infrastructure/Services/DomainEventService.cs

@@ -0,0 +1,30 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using PracticeCalendar.Domain.Common;
+using PracticeCalendar.Domain.Common.Interfaces;
+
+namespace PracticeCalendar.Infrastructure.Services
+{
+    public class DomainEventService : IDomainEventService
+    {
+        private readonly ILogger<DomainEventService> logger;
+        private readonly IPublisher mediator;
+
+        public DomainEventService(ILogger<DomainEventService> logger, IPublisher mediator)
+        {
+            this.logger = logger;
+            this.mediator = mediator;
+        }
+        public async Task Publish(DomainEventBase domainEvent)
+        {
+            logger.LogInformation("Publishing domain event. Event - {event}", domainEvent.GetType().Name);
+            await mediator.Publish(GetNotificationCorrespondingToDomainEvent(domainEvent));
+        }
+
+        private INotification GetNotificationCorrespondingToDomainEvent(DomainEventBase domainEvent)
+        {
+            return (INotification)Activator.CreateInstance(
+                typeof(DomainEventNotification<>).MakeGenericType(domainEvent.GetType()), domainEvent)!;
+        }
+    }
+}