#coding: utf8
from django.db import models
from django.utils import timezone
import datetime

# Create your models here.
class Poll(models.Model):
	question = models.CharField(max_length=50)
	pub_date = models.DateTimeField('date published')
	
	def  __unicode__(self):
		return self.question
	
	def was_published_recently(self):
		return self.pub_date >= timezone.now()-datetime.timedelta(days=1)
	#设置方法的排序调用的时候可以被排序
	was_published_recently.admin_order_field='pub_date'
	was_published_recently.boolean=True
	was_published_recently.short_description="Publicshed recently?"
	
class Choice(models.Model):
	poll = models.ForeignKey(Poll)
	choice_text = models.CharField(max_length=200)
	votes = models.IntegerField(default=0)
	
	def __unicode__(self):
		return self.choice_text

