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from datetime import datetime
from django.contrib.auth.models import User
from django.core import management
from django.db import models
# Forward declared intermediate model
class Membership(models.Model):
person = models.ForeignKey('Person')
group = models.ForeignKey('Group')
price = models.IntegerField(default=100)
def __unicode__(self):
return "%s is a member of %s" % (self.person.name, self.group.name)
# using custom id column to test ticket #11107
class UserMembership(models.Model):
id = models.AutoField(db_column='usermembership_id', primary_key=True)
user = models.ForeignKey(User)
group = models.ForeignKey('Group')
price = models.IntegerField(default=100)
def __unicode__(self):
return "%s is a user and member of %s" % (self.user.username, self.group.name)
class Person(models.Model):
name = models.CharField(max_length=128)
def __unicode__(self):
return self.name
class Group(models.Model):
name = models.CharField(max_length=128)
# Membership object defined as a class
members = models.ManyToManyField(Person, through=Membership)
user_members = models.ManyToManyField(User, through='UserMembership')
def __unicode__(self):
return self.name
# A set of models that use an non-abstract inherited model as the 'through' model.
class A(models.Model):
a_text = models.CharField(max_length=20)
class ThroughBase(models.Model):
a = models.ForeignKey(A)
b = models.ForeignKey('B')
class Through(ThroughBase):
extra = models.CharField(max_length=20)
class B(models.Model):
b_text = models.CharField(max_length=20)
a_list = models.ManyToManyField(A, through=Through)
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