--- /dev/null
+# Copyright (C) 2019 Verizon. All Rights Reserved
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+import traceback
+import logging
+
+from drf_yasg.utils import swagger_auto_schema
+from rest_framework import status
+from rest_framework.views import APIView
+from rest_framework.response import Response
+
+from genericparser.packages.serializers.vnf_pkg_subscription import PkgmSubscriptionRequestSerializer, \
+ PkgmSubscriptionSerializer, PkgmSubscriptionsSerializer
+from genericparser.packages.serializers.response import ProblemDetailsSerializer
+from genericparser.packages.biz.vnf_pkg_subscription import CreateSubscription, QuerySubscription, TerminateSubscription
+from genericparser.packages.views.common import validate_data
+from genericparser.pub.exceptions import VnfPkgDuplicateSubscriptionException, VnfPkgSubscriptionException, \
+ SubscriptionDoesNotExistsException
+
+logger = logging.getLogger(__name__)
+VALID_FILTERS = ["callbackUri", "notificationTypes", "vnfdId", "vnfPkgId", "operationalState", "usageState"]
+
+
+def get_problem_details_serializer(status_code, error_message):
+ problem_details = {
+ "status": status_code,
+ "detail": error_message
+ }
+ problem_details_serializer = ProblemDetailsSerializer(data=problem_details)
+ problem_details_serializer.is_valid()
+ return problem_details_serializer
+
+
+class CreateQuerySubscriptionView(APIView):
+
+ @swagger_auto_schema(
+ request_body=PkgmSubscriptionRequestSerializer,
+ responses={
+ status.HTTP_201_CREATED: PkgmSubscriptionSerializer(),
+ status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
+ }
+ )
+ def post(self, request):
+ logger.debug("Create VNF package Subscription> %s" % request.data)
+ try:
+ vnf_pkg_subscription_request = validate_data(request.data, PkgmSubscriptionRequestSerializer)
+ data = CreateSubscription(vnf_pkg_subscription_request.data).do_biz()
+ subscription_info = validate_data(data, PkgmSubscriptionSerializer)
+ return Response(data=subscription_info.data, status=status.HTTP_201_CREATED)
+ except VnfPkgDuplicateSubscriptionException as e:
+ logger.error(e.message)
+ logger.error(traceback.format_exc())
+ problem_details_serializer = get_problem_details_serializer(status.HTTP_303_SEE_OTHER,
+ traceback.format_exc())
+ return Response(data=problem_details_serializer.data, status=status.HTTP_303_SEE_OTHER)
+ except Exception as e:
+ logger.error(e.message)
+ logger.error(traceback.format_exc())
+ problem_details_serializer = get_problem_details_serializer(status.HTTP_500_INTERNAL_SERVER_ERROR,
+ traceback.format_exc())
+ return Response(data=problem_details_serializer.data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+ @swagger_auto_schema(
+ responses={
+ status.HTTP_200_OK: PkgmSubscriptionSerializer(),
+ status.HTTP_400_BAD_REQUEST: ProblemDetailsSerializer(),
+ status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
+ }
+ )
+ def get(self, request):
+ logger.debug("SubscribeNotification--get::> %s" % request.query_params)
+ try:
+ if request.query_params and not set(request.query_params).issubset(set(VALID_FILTERS)):
+ problem_details_serializer = get_problem_details_serializer(status.HTTP_400_BAD_REQUEST,
+ "Not a valid filter")
+ return Response(data=problem_details_serializer.data, status=status.HTTP_400_BAD_REQUEST)
+ resp_data = QuerySubscription().query_multi_subscriptions(request.query_params)
+
+ subscriptions_serializer = PkgmSubscriptionsSerializer(data=resp_data)
+ if not subscriptions_serializer.is_valid():
+ raise VnfPkgSubscriptionException(subscriptions_serializer.errors)
+
+ return Response(data=subscriptions_serializer.data, status=status.HTTP_200_OK)
+
+ except Exception as e:
+ logger.error(e.message)
+ logger.error(traceback.format_exc())
+ problem_details_serializer = get_problem_details_serializer(status.HTTP_500_INTERNAL_SERVER_ERROR,
+ traceback.format_exc())
+ return Response(data=problem_details_serializer.data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+
+class QueryTerminateSubscriptionView(APIView):
+
+ @swagger_auto_schema(
+ responses={
+ status.HTTP_200_OK: PkgmSubscriptionSerializer(),
+ status.HTTP_404_NOT_FOUND: ProblemDetailsSerializer(),
+ status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
+ }
+ )
+ def get(self, request, subscriptionId):
+ logger.debug("SubscribeNotification--get::> %s" % subscriptionId)
+ try:
+
+ resp_data = QuerySubscription().query_single_subscription(subscriptionId)
+
+ subscription_serializer = PkgmSubscriptionSerializer(data=resp_data)
+ if not subscription_serializer.is_valid():
+ raise VnfPkgSubscriptionException(subscription_serializer.errors)
+
+ return Response(data=subscription_serializer.data, status=status.HTTP_200_OK)
+ except SubscriptionDoesNotExistsException as e:
+ logger.error(e.message)
+ logger.error(traceback.format_exc())
+ problem_details_serializer = get_problem_details_serializer(status.HTTP_404_NOT_FOUND,
+ traceback.format_exc())
+ return Response(data=problem_details_serializer.data, status=status.HTTP_404_NOT_FOUND)
+ except Exception as e:
+ logger.error(e.message)
+ logger.error(traceback.format_exc())
+ problem_details_serializer = get_problem_details_serializer(status.HTTP_500_INTERNAL_SERVER_ERROR,
+ traceback.format_exc())
+ return Response(data=problem_details_serializer.data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+ @swagger_auto_schema(
+ responses={
+ status.HTTP_204_NO_CONTENT: "",
+ status.HTTP_404_NOT_FOUND: ProblemDetailsSerializer(),
+ status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
+ }
+ )
+ def delete(self, request, subscriptionId):
+ logger.debug("SubscribeNotification--get::> %s" % subscriptionId)
+ try:
+ TerminateSubscription().terminate(subscriptionId)
+ return Response(status=status.HTTP_204_NO_CONTENT)
+ except SubscriptionDoesNotExistsException as e:
+ logger.error(e.message)
+ logger.error(traceback.format_exc())
+ problem_details_serializer = get_problem_details_serializer(status.HTTP_404_NOT_FOUND,
+ traceback.format_exc())
+ return Response(data=problem_details_serializer.data, status=status.HTTP_404_NOT_FOUND)
+ except Exception as e:
+ logger.error(e.message)
+ logger.error(traceback.format_exc())
+ problem_details_serializer = get_problem_details_serializer(status.HTTP_500_INTERNAL_SERVER_ERROR,
+ traceback.format_exc())
+ return Response(data=problem_details_serializer.data, status=status.HTTP_500_INTERNAL_SERVER_ERROR)