Node asset amount (#2191)

* [Bugfix] 修复错误

* [Update] 修改树结构，统一api

apps/assets/serializers/node.py

@@ -8,76 +8,33 @@ from .asset import AssetGrantedSerializer
 
 
 __all__ = [
-    'NodeSerializer', "NodeGrantedSerializer", "NodeAddChildrenSerializer",
+    'NodeSerializer', "NodeAddChildrenSerializer",
     "NodeAssetsSerializer",
 ]
 
 
-class NodeGrantedSerializer(BulkSerializerMixin, serializers.ModelSerializer):
-    """
-    授权资产组
-    """
-    assets_granted = AssetGrantedSerializer(many=True, read_only=True)
-    assets_amount = serializers.SerializerMethodField()
-    parent = serializers.SerializerMethodField()
-    name = serializers.SerializerMethodField()
-
-    class Meta:
-        model = Node
-        fields = [
-            'id', 'key', 'name', 'value', 'parent',
-            'assets_granted', 'assets_amount', 'org_id',
-        ]
-
-    @staticmethod
-    def get_assets_amount(obj):
-        return len(obj.assets_granted)
-
-    @staticmethod
-    def get_name(obj):
-        return obj.name
-
-    @staticmethod
-    def get_parent(obj):
-        return obj.parent.id
-
-
 class NodeSerializer(serializers.ModelSerializer):
-    assets_amount = serializers.IntegerField()
-    tree_id = serializers.SerializerMethodField()
-    tree_parent = serializers.SerializerMethodField()
+    assets_amount = serializers.IntegerField(read_only=True)
 
     class Meta:
         model = Node
         fields = [
-            'id', 'key', 'value', 'assets_amount',
-            'is_node', 'org_id', 'tree_id', 'tree_parent',
+            'id', 'key', 'value', 'assets_amount', 'org_id',
         ]
         read_only_fields = [
-            'id', 'key', 'assets_amount', 'is_node',
-            'org_id',
+            'id', 'key', 'assets_amount', 'org_id',
         ]
-        list_serializer_class = BulkListSerializer
 
-    def validate(self, data):
-        value = data.get('value')
+    def validate_value(self, data):
         instance = self.instance if self.instance else Node.root()
         children = instance.parent.get_children().exclude(key=instance.key)
         values = [child.value for child in children]
-        if value in values:
+        if data in values:
             raise serializers.ValidationError(
                 'The same level node name cannot be the same'
             )
         return data
 
-    @staticmethod
-    def get_tree_id(obj):
-        return obj.key
-
-    @staticmethod
-    def get_tree_parent(obj):
-        return obj.parent_key
-
 
 class NodeAssetsSerializer(serializers.ModelSerializer):
     assets = serializers.PrimaryKeyRelatedField(many=True, queryset=Asset.objects.all())
@@ -89,3 +46,4 @@ class NodeAssetsSerializer(serializers.ModelSerializer):
 
 class NodeAddChildrenSerializer(serializers.Serializer):
     nodes = serializers.ListField()
+