from app.central_storage.backend.business.document_manager import ( DocumentBusinessManager, ) class DocumentHub: def __init__(self, user_id: str): self.user_id = user_id self.document_business_manager = DocumentBusinessManager(self.user_id) return async def get_document_by_id(self, document_id: str): return await self.document_business_manager.get_document_details_by_id( document_id )