mirror of
https://github.com/django/django.git
synced 2024-12-27 19:46:22 +00:00
62 lines
1.7 KiB
Python
62 lines
1.7 KiB
Python
from django.contrib.contenttypes.fields import GenericForeignKey, GenericRelation
|
|
from django.contrib.contenttypes.models import ContentType
|
|
from django.db import models
|
|
|
|
|
|
class Episode(models.Model):
|
|
name = models.CharField(max_length=100)
|
|
length = models.CharField(max_length=100, blank=True)
|
|
author = models.CharField(max_length=100, blank=True)
|
|
|
|
|
|
class Media(models.Model):
|
|
"""
|
|
Media that can associated to any object.
|
|
"""
|
|
|
|
content_type = models.ForeignKey(ContentType, models.CASCADE)
|
|
object_id = models.PositiveIntegerField()
|
|
content_object = GenericForeignKey()
|
|
url = models.URLField()
|
|
description = models.CharField(max_length=100, blank=True)
|
|
keywords = models.CharField(max_length=100, blank=True)
|
|
|
|
def __str__(self):
|
|
return self.url
|
|
|
|
|
|
#
|
|
# Generic inline with unique_together
|
|
#
|
|
class Category(models.Model):
|
|
name = models.CharField(max_length=50)
|
|
|
|
|
|
class PhoneNumber(models.Model):
|
|
content_type = models.ForeignKey(ContentType, models.CASCADE)
|
|
object_id = models.PositiveIntegerField()
|
|
content_object = GenericForeignKey("content_type", "object_id")
|
|
phone_number = models.CharField(max_length=30)
|
|
category = models.ForeignKey(Category, models.SET_NULL, null=True, blank=True)
|
|
|
|
class Meta:
|
|
unique_together = (
|
|
(
|
|
"content_type",
|
|
"object_id",
|
|
"phone_number",
|
|
),
|
|
)
|
|
|
|
|
|
class Contact(models.Model):
|
|
name = models.CharField(max_length=50)
|
|
phone_numbers = GenericRelation(PhoneNumber, related_query_name="phone_numbers")
|
|
|
|
|
|
#
|
|
# Generic inline with can_delete=False
|
|
#
|
|
class EpisodePermanent(Episode):
|
|
pass
|