我是 Django 的新手，我有一个包含三个模型的应用程序。我需要用户创建一个提要，但只在其组中。例如，我有 2 个品牌和 2 个用户，一个用户分配给一个品牌，另一个用户分配给另一个品牌。当我想在品牌选择中与用户创建提要时，会出现所有品牌，我希望只显示与用户关联的品牌。我该如何解决？
我有这些课程
from django.db import models
from django.contrib.auth.models import User
class Brand(models.Model):
"""
Brand Model
"""
name = models.CharField(max_length=60)
def __unicode__(self):
return self.name
class UserFeed(models.Model):
"""
User feed
"""
user = models.OneToOneField(User)
firstName = models.CharField(max_length=100)
lastName = models.CharField(max_length=100)
email = models.EmailField(max_length=100, blank=True)
brands = models.ManyToManyField(Brand)
def __unicode__(self):
return self.firstName
class Feed(models.Model):
"""
Principal Model for feeds and news
"""
title = models.CharField(max_length=200)
url = models.URLField(max_length=200)
pubdate = models.DateTimeField('Date published')
brand = models.ForeignKey(Brand)
image = models.ImageField(upload_to="images", max_length=100, blank=True)
description = models.TextField()
content = models.TextField()
updated = models.DateTimeField('Date updated', auto_now=True)
active = models.BooleanField()
def __unicode__(self):
return self.title