lcm/lcm/nf/views/subscriptions_view.py

   1 # Copyright (C) 2018 Verizon. All Rights Reserved\r
   2 #\r
   3 # Licensed under the Apache License, Version 2.0 (the "License");\r
   4 # you may not use this file except in compliance with the License.\r
   5 # You may obtain a copy of the License at\r
   6 #\r
   7 #         http://www.apache.org/licenses/LICENSE-2.0\r
   8 #\r
   9 # Unless required by applicable law or agreed to in writing, software\r
  10 # distributed under the License is distributed on an "AS IS" BASIS,\r
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  12 # See the License for the specific language governing permissions and\r
  13 # limitations under the License.\r
  14 \r
  15 import ast\r
  16 import json\r
  17 import logging\r
  18 import traceback\r
  19 \r
  20 from drf_yasg.utils import swagger_auto_schema\r
  21 from lcm.nf.biz.create_subscription import CreateSubscription\r
  22 from rest_framework import status\r
  23 from rest_framework.response import Response\r
  24 from rest_framework.views import APIView\r
  25 \r
  26 from lcm.nf.serializers.lccn_subscription_request import LccnSubscriptionRequestSerializer\r
  27 from lcm.nf.serializers.lccn_subscription import LccnSubscriptionSerializer\r
  28 from lcm.pub.exceptions import NFLCMException\r
  29 \r
  30 logger = logging.getLogger(__name__)\r
  31 \r
  32 \r
  33 class SubscriptionsView(APIView):\r
  34     @swagger_auto_schema(\r
  35         request_body=LccnSubscriptionRequestSerializer(),\r
  36         responses={\r
  37             status.HTTP_201_CREATED: LccnSubscriptionSerializer(),\r
  38             status.HTTP_303_SEE_OTHER: "",\r
  39             status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"\r
  40         }\r
  41     )\r
  42     def post(self, request):\r
  43         logger.debug("SubscribeNotification--post::> %s" % request.data)\r
  44         try:\r
  45             lccn_subscription_request_serializer = LccnSubscriptionRequestSerializer(data=request.data)\r
  46             if not lccn_subscription_request_serializer.is_valid():\r
  47                 raise NFLCMException(lccn_subscription_request_serializer.errors)\r
  48             subscription = CreateSubscription(\r
  49                 lccn_subscription_request_serializer.data).do_biz()\r
  50             lccn_notifications_filter = {\r
  51                 "notificationTypes": ast.literal_eval(subscription.notification_types),\r
  52                 "operationTypes": ast.literal_eval(subscription.operation_types),\r
  53                 "operationStates": ast.literal_eval(subscription.operation_states),\r
  54                 "vnfInstanceSubscriptionFilter": json.loads(subscription.vnf_instance_filter)\r
  55             }\r
  56             subscription_data = {\r
  57                 "id": subscription.subscription_id,\r
  58                 "callbackUri": subscription.callback_uri,\r
  59                 "_links": json.loads(subscription.links),\r
  60                 "filter": lccn_notifications_filter\r
  61             }\r
  62             sub_resp_serializer = LccnSubscriptionSerializer(data=subscription_data)\r
  63             if not sub_resp_serializer.is_valid():\r
  64                 raise NFLCMException(sub_resp_serializer.errors)\r
  65             return Response(data=sub_resp_serializer.data, status=status.HTTP_201_CREATED)\r
  66         except NFLCMException as e:\r
  67             logger.error(e.message)\r
  68             if "exists" in e.message:\r
  69                 return Response(data={'error': '%s' % e.message}, status=status.HTTP_303_SEE_OTHER)\r
  70             return Response(data={'error': '%s' % e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)\r
  71         except Exception as e:\r
  72             logger.error(e.message)\r
  73             logger.error(traceback.format_exc())\r
  74             return Response(data={'error': e.message}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)\r