Django:将两个序列化程序添加到一起?
如何在另一个序列化程序中添加序列化程序?我的意思是: 我有一个UserProfile模型:Django:将两个序列化程序添加到一起?,django,django-rest-framework,django-serializer,Django,Django Rest Framework,Django Serializer,如何在另一个序列化程序中添加序列化程序?我的意思是: 我有一个UserProfile模型: class UserProfile(models.Model): user = models.OneToOneField(User) photo = models.URLField(max_length=128) 我有来自用户的帖子: class Posts(models.Model): # ... post fields 我想用用户和照片以及该用户的帖子序列化我的UserP
class UserProfile(models.Model):
user = models.OneToOneField(User)
photo = models.URLField(max_length=128)
我有来自用户的帖子:
class Posts(models.Model):
# ... post fields
我想用用户和照片以及该用户的帖子序列化我的UserProfile。以下是我的目标:
{ "user": <User fields serialized>,
"photo": "www.example.com/path/to/file",
"posts": "[{"from_user": "me", "message": "post message} ,
{"from_user": "me", "message": "post message2"}, ... etc],"
}
这是我的PostsSerializer.py:
class PostsSerializer(serializers.ModelSerializer):
class Meta:
model = Posts
fields = ('__all__')
class UserProfileSerializer(serializers.ModelSerializer):
# somehow filter the results depending on User
posts_serializer = PostsSerializer(many=True)
class Meta:
model = UserProfile
fields = ('__all__')
这是我的UserSerializer.py:
class PostsSerializer(serializers.ModelSerializer):
class Meta:
model = Posts
fields = ('__all__')
class UserProfileSerializer(serializers.ModelSerializer):
# somehow filter the results depending on User
posts_serializer = PostsSerializer(many=True)
class Meta:
model = UserProfile
fields = ('__all__')
我尝试序列化用户配置文件,因为我在我的
UserProfileSerializer
中添加了一个序列化器变量,所以我认为它会自动添加posts
字段。它只显示序列化的用户档案器,完全忽略帖子。尝试使用SerializerMethodField
从PostsSerializer
获取帖子,并手动将它们添加到UserProfileSerializer
输出的“帖子”字段中,例如
class UserProfileSerializer
...
posts = serializers.SerializerMethodField()
class Meta:
fields = ("posts", ... other fields, ...}
def get_posts(self, user):
posts = Posts.objects.get_posts_from_user(user)
return PostsSerializer(posts, many=True, context=self.context).data
我只是从我的视图中调用
get_posts
吗?不,你只需序列化你的用户,它就会自动附加帖子。你介意帮我解决这个问题吗?这与这个问题有关。