from django.contrib.auth.models import User
from django.db import models

# Create your models here.
from mptt.models import MPTTModel


class DailyMptt(MPTTModel):
    #verbose_name表示，on_delete父级删除时的处理
    parent = models.ForeignKey('self', verbose_name='上级区域', null=True, blank=True, related_name='children', on_delete = models.CASCADE)
    title = models.CharField(max_length=50)
    content = models.TextField()
    create_at = models.DateTimeField(auto_now=True)
    create_by = models.ForeignKey(User, blank=True, null=True, on_delete=models.CASCADE)
    son_size = models.IntegerField(default=0)

    # def toKeyToVal(self):


    def getObject(self, data):
        for key, val in data.items():
            if hasattr(self, key):
                self.__setattr__(key, val)
        return self

    class MPTTMeta:
        order_insertion_by = ['title']#自然顺序