from django.db import models
from apps.system.models import CommonAModel
# Create your models here.

class Standard(CommonAModel):
    status_choices = (
        ('现行', '现行'),
        ('即将实施', '即将实施'),
        ('作废', '作废'),
        ('废止', '废止')
    )
    name = models.CharField('标准名称', max_length=1000)
    code = models.CharField('编号', max_length=30, null=True, blank=True)
    publish_date = models.DateField('发布日期')
    implement_date = models.DateField('实施日期')
    status = models.CharField('状态', max_length=50,
                             choices=status_choices, default='状态')

    pass
class ImplementRule(CommonAModel):
    pass