Added the Create and Update method for nested serializer

openwisp_controller/api/serializers.py

@@ -53,7 +53,18 @@ class Meta(BaseMeta):
         fields = '__all__'
 
 
-class DeviceListSerializer(ValidatedModelSerializer):
+class DeviceConfigSerializer(serializers.ModelSerializer):
+    config = serializers.JSONField()
+    context = serializers.JSONField()
+
+    class Meta:
+        model = Config
+        fields = ['backend', 'status', 'templates', 'context', 'config']
+
+
+class DeviceListSerializer(serializers.ModelSerializer):
+    config = DeviceConfigSerializer(write_only=True)
+
     class Meta(BaseMeta):
         model = Device
         fields = [
@@ -68,22 +79,29 @@ class Meta(BaseMeta):
             'os',
             'system',
             'notes',
+            'config',
         ]
 
-
-class DeviceConfigSerializer(serializers.ModelSerializer):
-    config = serializers.JSONField()
-    context = serializers.JSONField()
-    device = serializers.StringRelatedField()
-
-    class Meta:
-        model = Config
-        fields = ['device', 'backend', 'status', 'templates', 'context', 'config']
+    def create(self, validated_data):
+        # import ipdb; ipdb.set_trace()
+        config_data = validated_data.pop('config')
+        config_data.pop('templates')
+        device = Device.objects.create(**validated_data)
+        Config.objects.create(device=device, **config_data)
+        return device
 
 
 class DeviceDetailSerializer(serializers.ModelSerializer):
-    configuration = DeviceConfigSerializer(source='config')
+    config = DeviceConfigSerializer()
 
     class Meta(BaseMeta):
         model = Device
-        fields = DeviceListSerializer.Meta.fields + ['configuration']
+        fields = DeviceListSerializer.Meta.fields + ['config']
+
+    def update(self, instance, data):
+        # import ipdb; ipdb.set_trace()
+        config_templates = data['config']['templates']
+        instance = self.instance or self.Meta.model(**data)
+        for template in config_templates:
+            instance.config.templates.add(template.pk)
+        return instance