我有两个模型:
App
&安培;
AppVersion
我正在尝试序列化
以及来自
应用程序
模型。无法在序列化程序中显示相关字段。
目标
我的目标是让API响应包含如下相关字段:
[
{
"app_version_uuid": "61ee8efa-f79e-4fcd-a6ea-4a33544442e1",
"app_version_name": "Test app version",
"version_code": 2,
"version_name": "0.2",
"auto_start": True # related field
}
]
# models.py
class App(models.Model):
app_uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False, db_index=True)
app_name = models.CharField(max_length=100)
package_id = models.CharField(max_length=100, unique=True, null=True, blank=True, editable=False)
auto_start = models.BooleanField(default=False)
class AppVersion(models.Model):
app_version_uuid = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False, db_index=True)
app_uuid = models.ForeignKey(App, on_delete=models.CASCADE, related_name='app_versions')
app_version_name = models.CharField(max_length=100)
version_name = models.CharField(blank=True, null=True, max_length=100, editable=False)
version_code = models.IntegerField(blank=True, null=True, editable=False)
串行器
# serializers.py
class AppVersionSerializer(serializers.ModelSerializer):
auto_start = serializers.SlugRelatedField(read_only=True, slug_field='auto_start')
class Meta:
model = AppVersion
fields = ('app_version_uuid', 'app_version_name', 'version_code', 'version_name', 'auto_start')
我试过的
我试着用
SlugRelatedField()
serializers.py
SerializerMethodField()
这样地:
# serializers.py
class AppSerializer(serializers.ModelSerializer):
class Meta:
model = App
fields = ('auto_start')
class AppVersionSerializer(serializers.ModelSerializer):
auto_start = serializers.SerializerMethodField(read_only=True)
def get_auto_start(self, model):
return AppSerializer(model).data
class Meta:
model = AppVersion
fields = ('app_version_uuid', 'app_version_name', 'version_code', 'version_name', 'auto_start')
这个
不显示
auto_start
在回应中。
使用
自动启动
如图所示:
"auto_start": {}
自动启动
在我的回答中?