+# Copyright (C) 2024 Wind River Systems, Inc.
+#
+# 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 json
+
+from o2common.service.unit_of_work import AbstractUnitOfWork
+from o2common.adapter.notifications import AbstractNotifications
+
+from o2ims.adapter.clients.fault_client import StxEventClient
+from o2ims.domain import commands, alarm_obj
+
+from o2common.helper import o2logging
+logger = o2logging.get_logger(__name__)
+
+
+def purge_alarm_event(
+ cmd: commands.PubAlarm2SMO,
+ uow: AbstractUnitOfWork,
+ notifications: AbstractNotifications,
+):
+ logger.debug('In purge_alarm_event')
+ fault_client = StxEventClient(uow)
+ data = cmd.data
+ with uow:
+ alarm_event_record = uow.alarm_event_records.get(data.id)
+ alarm_id = json.loads(alarm_event_record.extensions).get('alarm_id')
+
+ events = fault_client.suppression_list(alarm_id)
+ for event_id in events:
+ event = fault_client.suppress(event_id.id)
+ alarm_event_record.hash = event.hash
+ alarm_event_record.extensions = json.dumps(event.filtered)
+ alarm_event_record.alarmChangedTime = event.updatetime.\
+ strftime("%Y-%m-%dT%H:%M:%S")
+ alarm_event_record.perceivedSeverity = \
+ alarm_obj.PerceivedSeverityEnum.CLEARED
+
+ uow.alarm_event_records.update(alarm_event_record)
+ break
+ uow.commit()