class FollowingSerializer(serializers.ModelSerializer):
user = UserSerializerForFriendship(source='to_user')
# 此处created_at也可以不写 系统默认的就是DateTimeField
created_at = serializers.DateTimeField()
class Meta:
model = Friendship
fields = ('user', 'created_at')
class FollowerSerializer(serializers.ModelSerializer):
user = UserSerializerForFriendship(source='from_user') # 程序怎么知道要取哪个model？ 是通过Meta里的model？
# 此处created_at也可以不写 系统默认的就是DateTimeField
created_at = serializers.DateTimeField()
class Meta:
model = Friendship
fields = ('user', 'created_at')
class FollowerSerializer(serializers.ModelSerializer, FollowingUserIdSetMixin):
user = UserSerializerForFriendship(source='cached_from_user')
has_followed = serializers.SerializerMethodField()
class Meta:
model = Friendship
fields = ('user', 'created_at', 'has_followed')
def get_has_followed(self, obj):
return obj.from_user_id in self.following_user_id_set
class FollowingSerializer(serializers.ModelSerializer):
user = UserSerializerForFriendship(source='to_user')
created_at = serializers.DateTimeField()
has_followed = serializers.SerializerMethodField()
class Meta:
model = Friendship
fields = ('user', 'created_at', 'has_followed')
def get_has_followed(self, obj):
if self.context['request'].user.is_anonymous:
return False
return FriendshipService.has_followed(self.context['request'].user,
obj.to_user)
class FollowerSerializer(serializers.ModelSerializer, FollowingUserIdSetMixin):
user = UserSerializerForFriendship(source='cached_from_user')
created_at = serializers.DateTimeField()
has_followed = serializers.SerializerMethodField()
def get_has_followed(self, obj):
if self.context['request'].user.is_anonymous:
return False
return obj.from_user_id in self.following_user_id_set
class Meta:
model = Friendship
fields = (
'user',
'created_at',
'has_followed',
)
def get_user(self, obj):
user = UserService.get_user_by_id(self.get_user_id(obj))
return UserSerializerForFriendship(user).data
class FollowingSerializer(serializers.ModelSerializer):
user = UserSerializerForFriendship(source='to_user')
class Meta:
model = Friendship
fields = ('user', 'created_at')