# -*- coding: utf-8 -*-
# @Time    : 2024/11/14 下午4:04
# @Author  : 河瞬
# @FileName: category.py
# @Software: PyCharm
from tortoise.models import Model
from tortoise import fields


class Category(Model):
    id = fields.IntField(primary_key=True)
    name = fields.TextField()
    description = fields.TextField()
    # 这个类别是有分层类似树状结构的，所以需要一个field来表示父类和子类
    parent = fields.ForeignKeyField("models.Category", related_name="children", null=True)
    children = fields.ReverseRelation["Category"]