perf: 优化org获取逻辑 - 采用redis订阅机制实现orgs_mapping数据的维护;删除get_org_by_id等方法;

perf: 优化get_instance接口

apps/tickets/api/assignee.py

@@ -5,7 +5,7 @@ from rest_framework import viewsets
 from common.permissions import IsValidUser
 from common.exceptions import JMSException
 from users.models import User
-from orgs.utils import get_org_by_id
+from orgs.models import Organization
 from .. import serializers
 
 
@@ -17,7 +17,7 @@ class AssigneeViewSet(viewsets.ReadOnlyModelViewSet):
 
     def get_org(self):
         org_id = self.request.query_params.get('org_id')
-        org = get_org_by_id(org_id)
+        org = Organization.get_instance(org_id)
         if not org:
             error = ('The organization `{}` does not exist'.format(org_id))
             raise JMSException(error)