Refactor codes for del and get ns
[vfc/nfvo/lcm.git] / lcm / ns / views / deprecated / get_del_ns_view.py
1 # Copyright 2016-2017 ZTE Corporation.
2 #
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
6 #
7 #         http://www.apache.org/licenses/LICENSE-2.0
8 #
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
14 import logging
15
16 from drf_yasg.utils import swagger_auto_schema
17 from rest_framework import status
18 from rest_framework.response import Response
19 from rest_framework.views import APIView
20
21 from lcm.ns.biz.ns_delete import DeleteNsService
22 from lcm.ns.biz.ns_get import GetNSInfoService
23 from lcm.pub.exceptions import NSLCMException
24 from lcm.ns.serializers.deprecated.ns_serializers import _QueryNsRespSerializer
25 from .common import view_safe_call_with_log
26
27 logger = logging.getLogger(__name__)
28
29
30 class NSDetailView(APIView):
31     @swagger_auto_schema(
32         request_body=None,
33         responses={
34             status.HTTP_200_OK: _QueryNsRespSerializer(help_text="NS instance", many=True),
35             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error",
36             status.HTTP_404_NOT_FOUND: "Ns instance does not exist"
37         }
38     )
39     @view_safe_call_with_log(logger=logger)
40     def get(self, request, ns_instance_id):
41         logger.debug("Enter NSDetailView::get ns(%s)", ns_instance_id)
42         ns_filter = {"ns_inst_id": ns_instance_id}
43         ret = GetNSInfoService(ns_filter).get_ns_info()
44         if not ret:
45             return Response(status=status.HTTP_404_NOT_FOUND)
46         logger.debug("Leave NSDetailView::get::ret=%s", ret)
47         resp_serializer = _QueryNsRespSerializer(data=ret[0])
48         if not resp_serializer.is_valid():
49             raise NSLCMException(resp_serializer.errors)
50         return Response(data=resp_serializer.data, status=status.HTTP_200_OK)
51
52     @swagger_auto_schema(
53         request_body=None,
54         responses={
55             status.HTTP_204_NO_CONTENT: 'successful',
56             status.HTTP_500_INTERNAL_SERVER_ERROR: "Inner error"
57         }
58     )
59     @view_safe_call_with_log(logger=logger)
60     def delete(self, request, ns_instance_id):
61         logger.debug("Enter NSDetailView::delete ns(%s)", ns_instance_id)
62         DeleteNsService(ns_instance_id).do_biz()
63         return Response(data={}, status=status.HTTP_204_NO_CONTENT)