optimise codes

src/Infrastructure.EventBus/RabbitMQ/RabbitMQEventBus.cs

@@ -21,21 +21,21 @@ public class RabbitMQEventBus : IEventBus
 
     private readonly ILogger<RabbitMQEventBus> _logger;
 
-    private IModel _consumerChannel;
+    private IModel? _consumerChannel;
 
     public RabbitMQEventBus(
         IPersistentConnection persistentConnection,
         IEventBusSubscriptionManager subscriptionsManager,
         IServiceProvider serviceProvider,
         ILogger<RabbitMQEventBus> logger,
-        string exchangeName,
+        string brokerName,
         string queueName)
     {
         _persistentConnection = persistentConnection ?? throw new ArgumentNullException(nameof(persistentConnection));
         _subscriptionsManager = subscriptionsManager ?? throw new ArgumentNullException(nameof(subscriptionsManager));
         _serviceProvider = serviceProvider;
         _logger = logger;
-        _exchangeName = exchangeName ?? throw new ArgumentNullException(nameof(exchangeName));
+        _exchangeName = brokerName ?? throw new ArgumentNullException(nameof(brokerName));
         _queueName = queueName ?? throw new ArgumentNullException(nameof(queueName));
 
         ConfigureMessageBroker();
@@ -68,7 +68,7 @@ public class RabbitMQEventBus : IEventBus
         using var channel = _persistentConnection.CreateModel();
         _logger.LogTrace("Declaring RabbitMQ exchange to publish event #{EventId}...", @event.Id);
 
-        channel.ExchangeDeclare(exchange: _exchangeName, type: "direct");
+        channel.ExchangeDeclare(_exchangeName, ExchangeType.Direct);
 
         var message = JsonSerializer.Serialize(@event);
         var body = Encoding.UTF8.GetBytes(message);
@@ -80,13 +80,7 @@ public class RabbitMQEventBus : IEventBus
 
             _logger.LogTrace("Publishing event to RabbitMQ with ID #{EventId}...", @event.Id);
 
-            channel.BasicPublish(
+            channel.BasicPublish(_exchangeName, eventName, true, properties, body);
-                exchange: _exchangeName,
-                routingKey: eventName,
-                mandatory: true,
-                basicProperties: properties,
-                body: body);
-
             _logger.LogTrace("Published event with ID #{EventId}.", @event.Id);
         });
     }
@@ -243,8 +237,8 @@ public class RabbitMQEventBus : IEventBus
             var @event = JsonSerializer.Deserialize(message, eventType);
             var eventHandlerType = typeof(IIntegrationEventHandler<>).MakeGenericType(eventType);
             await Task.Yield();
-            await ((Task)eventHandlerType.GetMethod(nameof(IIntegrationEventHandler<IntegrationEvent>.HandleAsync))
+            await (Task)eventHandlerType.GetMethod(nameof(IIntegrationEventHandler<IntegrationEvent>.HandleAsync))
-                .Invoke(handler, [@event]))!;
+                .Invoke(handler, [@event]);
         }
 
         _logger.LogTrace("Processed event {EventName}.", eventName);

src/Infrastructure.EventBus/ServiceCollectionExtensions.cs

@@ -43,8 +43,10 @@ public static class ServiceCollectionExtensions
         return services;
     }
 
-    public static void SubscribeEvent<TEvent, TEvenHandler>(this IServiceProvider services)
+    public static void SubscribeEvent<TEvent, TEvenHandler>
-        where TEvent : IntegrationEvent where TEvenHandler : IIntegrationEventHandler<TEvent>
+        (this  IServiceProvider  services)
+        where TEvent : IntegrationEvent
+        where TEvenHandler : IIntegrationEventHandler<TEvent>
     {
         ArgumentNullException.ThrowIfNull(services);
         var eventBus = services.GetRequiredService<IEventBus>();