refactor: enhance logging and task management in document storage and upload tasks

app/tasks/upload_to_nextcloud.py

@@ -5,12 +5,15 @@ import requests
 from app.config import settings
 from app.tasks.retry_config import BaseTaskWithRetry
 from app.celery_app import celery
+from app.utils import task_logger, log_task
 
 @celery.task(base=BaseTaskWithRetry)
+@log_task("upload_to_nextcloud")
 def upload_to_nextcloud(file_path: str):
     """Uploads a file to Nextcloud in the configured folder."""
 
     if not os.path.exists(file_path):
+        task_logger(f"File not found: {file_path}", level="error", step_name="nextcloud_upload")
         raise FileNotFoundError(f"File not found: {file_path}")
 
     # Extract filename
@@ -18,6 +21,8 @@ def upload_to_nextcloud(file_path: str):
 
     # Construct the full upload URL
     nextcloud_url = f"{settings.nextcloud_upload_url}/{settings.nextcloud_folder}/{filename}"
+    
+    task_logger(f"Starting upload of {filename} to Nextcloud", step_name="nextcloud_upload")
 
     # Read file content
     with open(file_path, "rb") as file_data:
@@ -29,9 +34,10 @@ def upload_to_nextcloud(file_path: str):
 
     # Check if upload was successful
     if response.status_code in (200, 201):
-        print(f"[INFO] Successfully uploaded {filename} to Nextcloud at {nextcloud_url}.")
+        task_logger(f"Successfully uploaded {filename} to Nextcloud at {nextcloud_url}", 
+                   step_name="nextcloud_upload", status="success")
         return {"status": "Completed", "file": file_path}
     else:
-        error_msg = f"[ERROR] Failed to upload {filename} to Nextcloud: {response.status_code} - {response.text}"
-        print(error_msg)
+        error_msg = f"Failed to upload {filename} to Nextcloud: {response.status_code} - {response.text}"
+        task_logger(error_msg, level="error", step_name="nextcloud_upload", status="failure")
         raise Exception(error_msg)