from pydantic import BaseModel
from typing import Optional

class Product(BaseModel):
    title: str
    price: str
    link: str
    min_order: Optional[str] = None
    return_policy: Optional[str] = None
    company_name: Optional[str] = None
    company_url: Optional[str] = None
    supplier_year: Optional[str] = None
    supplier_country: Optional[str] = None