feat/#61 - add one way communication option

amqp/service/amq_message_handler.py

@@ -297,7 +297,7 @@ class DataMessageHandler:
         future = asyncio.Future()
 
         # Store the future in the outstanding dictionary using the message ID as the key
-        message_id = message.id()
+        message_id = message.id().as_string()
         self.outstanding[message_id] = future
 
         # Create a Pika message with the correlation ID set to the message ID
@@ -328,3 +328,40 @@ class DataMessageHandler:
         )
 
         return future
+
+    async def send_command(self, route, message: DataMessage) -> bool:
+        """
+        Sends an RPC message to the specified route and returns a Future that will be completed
+        when the response is received.
+
+        :param route: AMQRoute object containing exchange and routing information
+        :param message: DataMessage to be sent
+        :return: Future that will be completed with the response payload
+        """
+        # Create a Pika message with the correlation ID set to the message ID
+        pika_message = Message(
+            body=DataMessageFactory.serialize(message),
+            correlation_id=message.id().as_string(),
+            content_type=(
+                message.content_type()[0]
+                if isinstance(message.content_type(), list)
+                else message.content_type()
+            ),
+        )
+
+        # Get the exchange from the route
+        rpc_exchange_name = route.exchange
+        exchange: AbstractRobustExchange = await self.rabbit_mq_client.channel.declare_exchange(
+            name=rpc_exchange_name, type=ExchangeType.topic
+        )
+        # Publish the message to the exchange with the component name as the routing key
+        await exchange.publish(message=pika_message, routing_key=route.component_name)
+
+        logging_debug(
+            "###### RPC Request Published to exchg:(%s) routing_key=%s, msgId=%s",
+            rpc_exchange_name,
+            route.component_name,
+            message.id().as_string(),
+        )
+
+        return True