[Feature] 添加功能 RemoteApp (#2706)

* [Feature] RemoteApp添加Model

* [Feature] RemoteApp添加ViewSet API

* [Feature] RemoteApp添加获取connection-info API

* [Feature] Perms模块修改目录结构

* [Feature] RemoteAppPermission添加Model

* [Feature] RemoteAppPermission添加ViewSet API

* [Feature] RemoteAppPermission添加用户/用户组获取被授权的RemoteApp API

* [Feature] RemoteAppPermission添加校验用户对RemoteApp的权限 API

* [Feature] RemoteAppPermission添加获取用户授权的RemoteApp树 API

* [Feature] RemoteAppPermission添加<添加/移除>所授权的<用户/RemoteApp> API

* [Feature] RemoteApp添加创建、更新、详情、删除、用户RemoteApp等页面

* [Feature] RemoteAppPermission添加创建、更新、详情、删除、授权用户、授权RemoteApp等页面

* [Feature] RemoteApp从assets模块迁移到新添加的applications模块

* [Feature] RemoteApp/RemoteAppPermission添加迁移文件

* [Feature] RemoteApp/RemoteAppPermission修改小细节

* [Feature] RemoteApp/RemoteAppPermission修改小细节2

* [Feature] RemoteApp/RemoteAppPermission修改小细节3

* [Feature] RemoteApp更新迁移文件

* [Feature] RemoteApp/RemoteAppPermission添加翻译信息

* [Feature] RemoteApp/RemoteAppPermission删除迁移文件

* [Feature] RemoteApp/RemoteAppPermission添加迁移文件

* [Feature] RemoteApp/RemoteAppPermission修改代码风格

apps/perms/mixins.py

@@ -2,6 +2,11 @@
 #
 
 
+__all__ = [
+    'AssetsFilterMixin', 'RemoteAppFilterMixin',
+]
+
+
 class AssetsFilterMixin(object):
     """
     对资产进行过滤(查询，排序)
@@ -34,3 +39,38 @@ class AssetsFilterMixin(object):
 
         queryset = sort_assets(queryset, order_by=order_by, reverse=reverse)
         return queryset
+
+
+class RemoteAppFilterMixin(object):
+    """
+    对RemoteApp进行过滤(查询，排序)
+    """
+
+    def filter_queryset(self, queryset):
+        queryset = self.search_remote_apps(queryset)
+        queryset = self.sort_remote_apps(queryset)
+        return queryset
+
+    def search_remote_apps(self, queryset):
+        value = self.request.query_params.get('search')
+        if not value:
+            return queryset
+        queryset = [
+            remote_app for remote_app in queryset if value in remote_app.name
+        ]
+        return queryset
+
+    def sort_remote_apps(self, queryset):
+        order_by = self.request.query_params.get('order')
+        if not order_by:
+            order_by = 'name'
+        if order_by.startswith('-'):
+            order_by = order_by.lstrip('-')
+            reverse = True
+        else:
+            reverse = False
+
+        queryset = sorted(
+            queryset, key=lambda x: getattr(x, order_by), reverse=reverse
+        )
+        return queryset