[Update] Auth Info (#2806)

* [Update] 修改支持auth info导出

* [Update] 统一认证查看

* [Update] 修改auth book manager

* [Update] 修改auth info

* [Update] 完成修改auth info

* [Update] 优化api

apps/assets/backends/asset_user.py

@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+#
+from .base import BaseBackend
+
+
+class AssetUserBackend(BaseBackend):
+    model = None
+    backend = "AssetUser"
+
+    @classmethod
+    def filter_queryset_more(cls, queryset):
+        return queryset
+
+    @classmethod
+    def filter(cls, username=None, assets=None, **kwargs):
+        queryset = cls.model.objects.all()
+        if username:
+            queryset = queryset.filter(username=username)
+        if assets:
+            queryset = queryset.filter(assets__in=assets).distinct()
+        queryset = cls.filter_queryset_more(queryset)
+        instances = cls.construct_authbook_objects(queryset, assets)
+        return instances
+
+    @classmethod
+    def construct_authbook_objects(cls, asset_users, assets):
+        instances = []
+        for asset_user in asset_users:
+            if not assets:
+                assets = asset_user.assets.all()
+            for asset in assets:
+                instance = asset_user.construct_to_authbook(asset)
+                instance.backend = cls.backend
+                instances.append(instance)
+        return instances