[英]Pass array of objects to another model call django
我正在嘗試為用戶選擇所有類,然后加載所有對應的類對象。 這是我的 model.py 文件:
from django.db import models
from django.contrib.auth.models import User
class Class(models.Model):
name = models.CharField(max_length=150)
description = models.TextField()
teacher = models.ForeignKey(User)
class UserClasses(models.Model):
class_name = models.ForeignKey(Class)
user = models.ForeignKey(User)
這是我打的電話:
def index(request):
#grab all classes for a user
users_classes = UserClasses.objects.filter(user=request.user)
#pass the array of class objects and get their info
classes = Class.objects.select_related(self=users_classes)
context_dict = {}
return render(request, 'dashboard/index.html', context_dict)
我怎樣才能實現上述目標?
你可以做
users_classes = UserClasses.objects.filter(user=request.user)
classes = Class.objects.filter(class_name__in=users_classes)
現在classes
對象包含用戶所屬的所有類。
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