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# 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 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
from genericparser.packages.serializers.vnf_pkg_subscription import PkgmSubscriptionSerializer
from genericparser.packages.serializers.vnf_pkg_subscription import PkgmSubscriptionsSerializer
from genericparser.packages.serializers.response import ProblemDetailsSerializer
from genericparser.packages.biz.vnf_pkg_subscription import CreateSubscription
from genericparser.packages.biz.vnf_pkg_subscription import QuerySubscription
from genericparser.packages.biz.vnf_pkg_subscription import TerminateSubscription
from genericparser.packages.views.common import validate_data
from genericparser.pub.exceptions import VnfPkgSubscriptionException
from genericparser.pub.exceptions import BadRequestException
from .common import view_safe_call_with_log
logger = logging.getLogger(__name__)
VALID_FILTERS = [
"callbackUri",
"notificationTypes",
"vnfdId",
"vnfPkgId",
"operationalState",
"usageState"
]
class CreateQuerySubscriptionView(APIView):
@swagger_auto_schema(
request_body=PkgmSubscriptionRequestSerializer,
responses={
status.HTTP_201_CREATED: PkgmSubscriptionSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal error"
}
)
@view_safe_call_with_log(logger=logger)
def post(self, request):
logger.debug("Create VNF package Subscription> %s" % request.data)
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)
@swagger_auto_schema(
responses={
status.HTTP_200_OK: PkgmSubscriptionSerializer(),
status.HTTP_400_BAD_REQUEST: ProblemDetailsSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request):
logger.debug("SubscribeNotification--get::> %s" % request.query_params)
if request.query_params and not set(request.query_params).issubset(set(VALID_FILTERS)):
raise BadRequestException("Not a valid filter")
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)
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()
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request, subscriptionId):
logger.debug("SubscribeNotification--get::> %s" % subscriptionId)
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)
@swagger_auto_schema(
responses={
status.HTTP_204_NO_CONTENT: "",
status.HTTP_404_NOT_FOUND: ProblemDetailsSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
}
)
@view_safe_call_with_log(logger=logger)
def delete(self, request, subscriptionId):
logger.debug("SubscribeNotification--get::> %s" % subscriptionId)
TerminateSubscription().terminate(subscriptionId)
return Response(status=status.HTTP_204_NO_CONTENT)
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