catalog/packages/views/nsdm_subscription_views.py

   1 # Copyright (C) 2019 Verizon. All Rights Reserved
   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
  15 import logging
  16
  17 from drf_yasg.utils import swagger_auto_schema, no_body
  18 from rest_framework import status
  19 from rest_framework.decorators import api_view
  20 from rest_framework.response import Response
  21
  22 from catalog.packages.biz.nsdm_subscription import NsdmSubscription
  23 from catalog.packages.const import TAG_NSD_API
  24 from catalog.packages.serializers.nsdm_filter_data import NsdmNotificationsFilter
  25 from catalog.packages.serializers.nsdm_subscription import NsdmSubscriptionIdSerializer
  26 from catalog.packages.serializers.nsdm_subscription import NsdmSubscriptionRequestSerializer
  27 from catalog.packages.serializers.nsdm_subscription import NsdmSubscriptionSerializer
  28 from catalog.packages.serializers.nsdm_subscription import NsdmSubscriptionsSerializer
  29 from catalog.packages.serializers.response import ProblemDetailsSerializer
  30 from catalog.pub.exceptions import NsdmBadRequestException
  31 from .common import view_safe_call_with_log
  32
  33 logger = logging.getLogger(__name__)
  34
  35
  36 def validate_data(data, serializer):
  37     serialized_data = serializer(data=data)
  38     if not serialized_data.is_valid():
  39         logger.error('Data validation failed.')
  40         raise NsdmBadRequestException(serialized_data.errors)
  41     return serialized_data
  42
  43
  44 @swagger_auto_schema(
  45     method='POST',
  46     operation_description="Create Subscription for NSD Management",
  47     tags=[TAG_NSD_API],
  48     request_body=NsdmSubscriptionRequestSerializer(),
  49     responses={
  50         status.HTTP_201_CREATED: NsdmSubscriptionSerializer,
  51         status.HTTP_303_SEE_OTHER: ProblemDetailsSerializer(),
  52         status.HTTP_400_BAD_REQUEST: ProblemDetailsSerializer(),
  53         status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
  54     }
  55 )
  56 @swagger_auto_schema(
  57     method='GET',
  58     operation_description="Query subscriptions for Nsd Management",
  59     tags=[TAG_NSD_API],
  60     request_body=no_body,
  61     responses={
  62         status.HTTP_200_OK: NsdmSubscriptionsSerializer(),
  63         status.HTTP_400_BAD_REQUEST: ProblemDetailsSerializer(),
  64         status.HTTP_404_NOT_FOUND: ProblemDetailsSerializer(),
  65         status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer(),
  66     }
  67 )
  68 @api_view(http_method_names=['POST', 'GET'])
  69 @view_safe_call_with_log(logger=logger)
  70 def nsd_subscription_rc(request):
  71     if request.method == 'POST':
  72         # Subscribe to NSD and PNFD change notifications.
  73         logger.debug("SubscribeNotification--post::> %s" % request.data)
  74         nsdm_subscription_request = \
  75             validate_data(request.data,
  76                           NsdmSubscriptionRequestSerializer)
  77         subscription = NsdmSubscription().create(
  78             nsdm_subscription_request.data)
  79         validate_data(subscription, NsdmSubscriptionSerializer)
  80         return Response(data=subscription, status=status.HTTP_201_CREATED)
  81
  82     if request.method == 'GET':
  83         # Query multiple subscriptions.
  84         logger.debug("Subscription Notification GET %s" % request.query_params)
  85         request_query_params = {}
  86         if request.query_params:
  87             request_query_params = \
  88                 validate_data(request.query_params,
  89                               NsdmNotificationsFilter).data
  90         subscription_data = \
  91             NsdmSubscription().query_multi_subscriptions(
  92                 request_query_params)
  93         subscriptions = validate_data(subscription_data,
  94                                       NsdmSubscriptionsSerializer)
  95         return Response(data=subscriptions.data, status=status.HTTP_200_OK)
  96
  97
  98 @swagger_auto_schema(
  99     method='GET',
 100     operation_description="Query subscriptions for Nsd Management",
 101     tags=[TAG_NSD_API],
 102     request_body=no_body,
 103     responses={
 104         status.HTTP_200_OK: NsdmSubscriptionSerializer(),
 105         status.HTTP_400_BAD_REQUEST: ProblemDetailsSerializer(),
 106         status.HTTP_404_NOT_FOUND: ProblemDetailsSerializer(),
 107         status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
 108     }
 109 )
 110 @swagger_auto_schema(
 111     method='DELETE',
 112     operation_description="Delete subscription for Nsd Management",
 113     tags=[TAG_NSD_API],
 114     request_body=no_body,
 115     responses={
 116         status.HTTP_204_NO_CONTENT: 'No_Content',
 117         status.HTTP_400_BAD_REQUEST: ProblemDetailsSerializer(),
 118         status.HTTP_404_NOT_FOUND: ProblemDetailsSerializer(),
 119         status.HTTP_500_INTERNAL_SERVER_ERROR: ProblemDetailsSerializer()
 120     }
 121 )
 122 @api_view(http_method_names=['GET', 'DELETE'])
 123 @view_safe_call_with_log(logger=logger)
 124 def nsd_subscription_rd(request, **kwargs):
 125     """
 126     Individual subscription
 127     :param request:
 128     :param kwargs:
 129     :return:
 130     """
 131     subscription_id = kwargs.get("subscriptionId")
 132     validate_data({'subscription_id': subscription_id}, NsdmSubscriptionIdSerializer)
 133     if request.method == 'GET':
 134         # Read an individual subscription resource
 135         subscription_data = NsdmSubscription().query_single_subscription(subscription_id)
 136         subscription = validate_data(subscription_data, NsdmSubscriptionSerializer)
 137         return Response(data=subscription.data, status=status.HTTP_200_OK)
 138     elif request.method == 'DELETE':
 139         # Terminate a subscription
 140         subscription_data = NsdmSubscription().delete_single_subscription(subscription_id)
 141         return Response(status=status.HTTP_204_NO_CONTENT)