from sqlalchemy import Table, Column, Integer, ForeignKey
from sqlalchemy.orm import relationship

from models.base import metadata, BaseModel


class DealService(BaseModel):
    __tablename__ = 'deal_services'
    deal_id = Column(Integer, ForeignKey('deals.id'), nullable=False, comment='ID Сделки', primary_key=True)
    deal = relationship('Deal', back_populates='services')

    service_id = Column(Integer, ForeignKey('services.id'), nullable=False, comment='ID Услуги', primary_key=True)
    service = relationship('Service')

    quantity = Column(Integer, nullable=False, comment='Кол-во услуги')