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# Copyright (c) 2019, CMCC Technologies Co., Ltd.
# 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 ast
import json
import logging
from lcm.pub.database.models import SubscriptionModel
logger = logging.getLogger(__name__)
ROOT_FILTERS = {
'operationTypes': 'operation_types',
'operationStates': 'operation_states',
'notificationTypes': 'notification_types',
'nsComponentTypes': 'ns_component_types',
'lcmOpNameImpactingNsComponent': 'lcm_opname_impacting_nscomponent',
'lcmOpOccStatusImpactingNsComponent': 'lcm_opoccstatus_impacting_nscomponent'
}
NS_INSTANCE_FILTERS = {
"nsInstanceId": "ns_instance_filter"
}
class QuerySubscription:
def __init__(self, data, subscription_id=''):
self.subscription_id = subscription_id
self.params = data
def query_multi_subscriptions(self):
query_data = {}
logger.debug(
"QueryMultiSubscriptions--get--biz::> Check for filters in query params" % self.params)
for query, value in list(self.params.items()):
if query in ROOT_FILTERS:
query_data[ROOT_FILTERS[query] + '__icontains'] = value
for query, value in list(self.params.items()):
if query in NS_INSTANCE_FILTERS:
query_data[NS_INSTANCE_FILTERS[query] + '__icontains'] = value
# Query the database with filters if the request has fields in request
# params, else fetch all records
if query_data:
subscriptions = SubscriptionModel.objects.filter(**query_data)
else:
subscriptions = SubscriptionModel.objects.all()
return [self.fill_resp_data(subscription) for subscription in subscriptions]
def fill_resp_data(self, subscription):
subscription_filter = {
"notificationTypes": ast.literal_eval(subscription.notification_types),
"operationTypes": ast.literal_eval(subscription.operation_types),
"operationStates": ast.literal_eval(subscription.operation_states),
"nsInstanceSubscriptionFilter": json.loads(subscription.ns_instance_filter)
}
resp_data = {
'id': subscription.subscription_id,
'callbackUri': subscription.callback_uri,
'filter': subscription_filter,
'_links': json.loads(subscription.links)
}
return resp_data
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