use ToLower in ExchangeDeclare

Source/BSN.Commons/Infrastructure/MessageBroker/RabbitMqEventAggregator/BrokerType.cs

@@ -8,21 +8,21 @@ public enum BrokerType
  /// <summary>
  /// Direct exchange type routes messages based on exact matching of routing keys.
  /// </summary>
- direct,
+ Direct,
 
  /// <summary>
  /// Topic exchange type routes messages based on wildcard patterns in routing keys.
  /// </summary>
- topic,
+ Topic,
 
  /// <summary>
  /// Headers exchange type routes messages based on message headers.
  /// </summary>
- headers,
+ Headers,
 
  /// <summary>
  /// Fan-out exchange type routes messages to all bound queues without considering routing keys.
  /// </summary>
- fanOut,
+ FanOut,
  }
 }

Source/BSN.Commons/Infrastructure/MessageBroker/RabbitMqEventAggregator/ExchangeOptions.cs

@@ -15,7 +15,7 @@ public class ExchangeOptions
  /// <summary>
  /// Gets or sets the type of RabbitMQ exchange, such as direct, topic, headers, or fanout.
  /// </summary>
- public BrokerType ExchangeType { get; set; } = BrokerType.direct;
+ public BrokerType ExchangeType { get; set; } = BrokerType.Direct;
 
  /// <summary>
  /// Gets or sets whether the exchange is durable, meaning it survives server restarts.

Source/BSN.Commons/Infrastructure/MessageBroker/RabbitMqEventAggregator/RabbitMqEventAggregator.cs

@@ -112,7 +112,7 @@ public void Publish<TModel>(IEvent<TModel> @event) where TModel : IEventDataMode
  {
  ExchangeOptions exchangeOptions = _options.Value.ExchangeOptions;
 
- channel.ExchangeDeclare(exchangeOptions.BrokerName, exchangeOptions.ExchangeType.ToString(), exchangeOptions.Durable,
+ channel.ExchangeDeclare(exchangeOptions.BrokerName, exchangeOptions.ExchangeType.ToString().ToLower(), exchangeOptions.Durable,
  exchangeOptions.AutoDelete, exchangeOptions.Arguments);
 
  string message = JsonConvert.SerializeObject(@event);