API and database models refactoring

app/api/v1/product.py

@@ -17,10 +17,10 @@ from sqlalchemy.orm import Session
 from app.api.deps import get_current_user
 from app.core.database import get_db
 from app.services.product_service import product_service
-from models.api_models import (ProductCreate, ProductDetailResponse,
+from models.api.product import (ProductCreate, ProductDetailResponse,
                                ProductListResponse, ProductResponse,
                                ProductUpdate)
-from models.database_models import User
+from models.database.user import User
 
 router = APIRouter()
 logger = logging.getLogger(__name__)