Initial commit: igny8 project

backend/igny8_core/utils/queue_manager.py

@@ -0,0 +1,89 @@
+"""
+Queue Manager - Manages Celery tasks for async operations
+"""
+import logging
+from typing import Dict, Any, Optional
+from django.conf import settings
+
+logger = logging.getLogger(__name__)
+
+# TODO: When Celery is set up, import and use actual task decorators
+# from celery import shared_task
+
+class QueueManager:
+    """
+    Queue manager for async task execution.
+    Provides abstraction over Celery/django-q for task queuing.
+    """
+    
+    def __init__(self):
+        self.queue_enabled = getattr(settings, 'CELERY_ENABLED', False)
+    
+    def enqueue_task(
+        self,
+        task_name: str,
+        args: tuple = (),
+        kwargs: Dict[str, Any] = None,
+        account_id: Optional[int] = None,
+        priority: int = 5,
+        delay_seconds: int = 0
+    ) -> str:
+        """
+        Enqueue a task for async execution.
+        
+        Args:
+            task_name: Name of the task function
+            args: Positional arguments
+            kwargs: Keyword arguments
+            account_id: Account ID for account-specific queues
+            priority: Task priority (1-10, higher = more priority)
+            delay_seconds: Delay before execution (seconds)
+        
+        Returns:
+            Task ID
+        """
+        if not self.queue_enabled:
+            logger.warning(f"Queue not enabled, task {task_name} would be queued")
+            return "no-queue"
+        
+        # TODO: Implement actual Celery task enqueueing
+        # Example: task.delay(*args, **kwargs)
+        logger.info(f"Enqueueing task {task_name} for account {account_id}")
+        
+        return "task-id-placeholder"
+    
+    def get_task_status(self, task_id: str) -> Dict[str, Any]:
+        """
+        Get status of a queued task.
+        
+        Args:
+            task_id: Task ID returned from enqueue_task
+        
+        Returns:
+            Dict with 'status', 'result', 'error'
+        """
+        # TODO: Implement task status checking
+        return {
+            'status': 'PENDING',
+            'result': None,
+            'error': None,
+        }
+    
+    def cancel_task(self, task_id: str) -> bool:
+        """
+        Cancel a queued or running task.
+        
+        Args:
+            task_id: Task ID to cancel
+        
+        Returns:
+            True if cancelled, False otherwise
+        """
+        # TODO: Implement task cancellation
+        logger.info(f"Cancelling task {task_id}")
+        return False
+
+
+# Singleton instance
+queue_manager = QueueManager()
+