Fix bugs issues

services/training/app/services/messaging.py

@@ -1,9 +1,38 @@
 """
-Messaging service for training service
+Training service messaging - Uses shared RabbitMQ client only
 """
 
 from shared.messaging.rabbitmq import RabbitMQClient
 from app.core.config import settings
+import logging
 
-# Global message publisher
-message_publisher = RabbitMQClient(settings.RABBITMQ_URL)
+logger = logging.getLogger(__name__)
+
+# Single global instance
+training_publisher = RabbitMQClient(settings.RABBITMQ_URL, "training-service")
+
+async def setup_messaging():
+    """Initialize messaging for training service"""
+    success = await training_publisher.connect()
+    if success:
+        logger.info("Training service messaging initialized")
+    else:
+        logger.warning("Training service messaging failed to initialize")
+
+async def cleanup_messaging():
+    """Cleanup messaging for training service"""
+    await training_publisher.disconnect()
+    logger.info("Training service messaging cleaned up")
+
+# Convenience functions for training-specific events
+async def publish_training_started(data: dict) -> bool:
+    """Publish training started event"""
+    return await training_publisher.publish_training_event("started", data)
+
+async def publish_training_completed(data: dict) -> bool:
+    """Publish training completed event"""
+    return await training_publisher.publish_training_event("completed", data)
+
+async def publish_training_failed(data: dict) -> bool:
+    """Publish training failed event"""
+    return await training_publisher.publish_training_event("failed", data)