from django.db import models
from utils.base_model import BaseModel
# Create your models here.


class City(BaseModel):
    name = models.CharField(max_length=30, null=True, blank=True)
    is_ostan = models.BooleanField(default=False, null=False, blank=False)
    ostan = models.ForeignKey('self', models.CASCADE, null=True, blank=True)
    pv_id = models.PositiveSmallIntegerField(null=True, blank=True)

    def __str__(self):
        return str(self.name)