问题是:我将如何把这三个模型联系起来作为我的需求。
要求:如果用户提到某人,他将在他的(other User)
中得到一些amount
。一个wallet (Referral Based)
可以user
到多个refer
。
正如我在上面提到的要求标准。。。请把需求填饱
我必须创建下面提到的三个模型,它们与user
模型相关联。
1. Wallet
2. Wallet_Log
3. Referral
查看创建需求建议的模型。。
class Wallet(models.Model):
owner = models.OneToOneField(user, related_name='wallet', unique=True)
amount = models.FloatField(default=0.0)
datetime = models.DateTimeField(auto_now_add=True,null=True)
walletID = models.CharField(max_length=10, default="00000")
ack = models.BooleanField(default=False)
def __unicode__(self):
return u'%s' % self.owner
@property
def set_ack(self):
return self.ack
@set_ack.setter
def set_ack(self, bol):
self.ack = bol
class WalletLog(models.Model):
wallet = models.ForeignKey(Wallet)
user_from = models.ForeignKey(user, null=True, blank=True)
amount = models.FloatField()
datetime = models.DateTimeField(auto_now_add=True, null=True)
report = models.CharField(max_length=100)
def get_wallet_log(self):
if(self.wallet):
return "%s"%(self.wallet.amount)
else:
return "Not Available"
def get_user_from_log(self):
if(self.user_from):
return "%s"%(self.user_from.user_first_name)
else:
return "Not Available"
def __unicode__(self):
return u'%s' % self.wallet
class OrderReferral(models.Model):
referrer = models.ForeignKey(user, related_name='referrer')
referred = models.ForeignKey(user, related_name='referred')
wallet = models.ForeignKey(Wallet, related_name='order_referred')
created_date = models.DateTimeField()
updated_date = models.DateTimeField()
order_active = models.BooleanField()
def __unicode__(self):
return '%s %s made a referral' % (self.referrer.first_name, self.referrer.last_name)
class Meta:
verbose_name_plural = "Order Referral"
最佳答案
是的,最后以适当的方式设置model relationship
,通过写入join query
和test case
来避免不必要的code
。