blob: ccc12898b79e41b8b9922533ba06472c1bd60cd8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
# coding: utf-8
from django.db import models
class Author(models.Model):
name = models.CharField(max_length=100)
age = models.IntegerField()
friends = models.ManyToManyField('self', blank=True)
def __unicode__(self):
return self.name
class Publisher(models.Model):
name = models.CharField(max_length=255)
num_awards = models.IntegerField()
def __unicode__(self):
return self.name
class Book(models.Model):
isbn = models.CharField(max_length=9)
name = models.CharField(max_length=255)
pages = models.IntegerField()
rating = models.FloatField()
price = models.DecimalField(decimal_places=2, max_digits=6)
authors = models.ManyToManyField(Author)
contact = models.ForeignKey(Author, related_name='book_contact_set')
publisher = models.ForeignKey(Publisher)
pubdate = models.DateField()
def __unicode__(self):
return self.name
class Store(models.Model):
name = models.CharField(max_length=255)
books = models.ManyToManyField(Book)
original_opening = models.DateTimeField()
friday_night_closing = models.TimeField()
def __unicode__(self):
return self.name
|
