Django - 用户如何查看其会员类型下的书籍?

Django - How can users view books under his membership type?

我为用户设置了会员资格,这样他们就可以选择查看特定会员类型下的选定书籍。在这种情况下,用户如何在其个人资料页面中查看其会员类型下的图书列表?

这是我的图书代码:

class Book(models.Model):
``` some book fields```

    activeReference = models.ManyToManyField(Membership) #here's where membership connects````
    def __str__(self):
       return self.title

    def get_absolute_url(self):
       return reverse('book-detail', kwargs={'slug': self.slug})

以下是会员模特:

class Membership(models.Model):
     membership_type = models.CharField(max_length=50)
     price = models.IntegerField(default=100)
     description = models.CharField(max_length=200)

     def __str__(self):
         return self.membership_type

class Customer(models.Model):
      user = models.OneToOneField(User, on_delete=models.CASCADE)
      membership = models.ForeignKey(Membership, on_delete=models.CASCADE, null=True)
      reference = models.CharField(max_length=50, null=True)

      def __str__(self):
          return self.user.email

这是个人资料的视图:

def profile(request):
```some update profile post code here```

    context = {

        'u_form': u_form,
        'p_form': p_form
    }

    return render(request, 'users/profile.html', context)

我希望用户能够查看其会员类型下的所有图书。

创建新模板文件以显示所有书籍在视图函数中使用 ListView 并将模板文件作为模板调用 = 'template_name' 并导入模板

你可以这样做:

{{ user.customer.membership.book_set.all }}

解释:

在模板中,如果 he/she 已登录,您可以通过 {{ user }} 访问 User 实例。然后,您可以访问 customer 实例,因为它具有 OneToOne relation to CustomerModel. membership is FK to Membership model. Finally, you can access the book instances through reverse relation (book_set).

{{ user.customer.membership.book_set.all }}