from sqlalchemy.orm import joinedload, selectinload from .models import User, Room, Inventory, WorkLog def eager_load_user_relationships(query): return query.options( joinedload(User.supervisor), joinedload(User.location).joinedload(Room.room_function) ) def eager_load_inventory_relationships(query): return query.options( joinedload(Inventory.owner), joinedload(Inventory.brand), joinedload(Inventory.item), selectinload(Inventory.location).selectinload(Room.room_function) ) def eager_load_room_relationships(query): return query.options( joinedload(Room.area), joinedload(Room.room_function), selectinload(Room.inventory), selectinload(Room.users) ) def eager_load_worklog_relationships(query): return query.options( joinedload(WorkLog.contact), joinedload(WorkLog.work_item) ) def chunk_list(lst, chunk_size): return [lst[i:i + chunk_size] for i in range(0, len(lst), chunk_size)]