+# Copyright (C) 2021 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.
+
+# pylint: disable=unused-argument
+from __future__ import annotations
+
+from o2ims.domain.stx_object import StxGenericModel
+# from dataclasses import asdict
+# from typing import List, Dict, Callable, Type
+# TYPE_CHECKING
+from o2ims.domain import commands
+from o2ims.service.unit_of_work import AbstractUnitOfWork
+from o2ims.domain.resource_type import InvalidOcloudState
+from o2ims.domain.resource_type import MismatchedModel
+from o2ims.domain.ocloud import Ocloud
+from o2ims import config
+# if TYPE_CHECKING:
+# from . import unit_of_work
+
+from o2common.helper import o2logging
+logger = o2logging.get_logger(__name__)
+
+
+class InvalidResourceType(Exception):
+ pass
+
+
+def update_ocloud(
+ cmd: commands.UpdateOCloud,
+ uow: AbstractUnitOfWork
+):
+ stxobj = cmd.data
+ with uow:
+ oclouds = uow.oclouds.list()
+ if oclouds and len(oclouds) > 1:
+ raise InvalidOcloudState("More than 1 ocloud is found")
+ elif not oclouds or len(oclouds) == 0:
+ logger.info("add ocloud:" + stxobj.name
+ + " update_at: " + str(stxobj.updatetime)
+ + " id: " + str(stxobj.id)
+ + " hash: " + str(stxobj.hash))
+ entry = create_by(stxobj)
+ uow.oclouds.add(entry)
+
+ logger.info("Add the ocloud: " + stxobj.id
+ + ", name: " + stxobj.name)
+ else:
+ localmodel = oclouds.pop()
+ if is_outdated(localmodel, stxobj):
+ logger.info("update ocloud:" + stxobj.name
+ + " update_at: " + str(stxobj.updatetime)
+ + " id: " + str(stxobj.id)
+ + " hash: " + str(stxobj.hash))
+ update_by(localmodel, stxobj)
+ uow.oclouds.update(localmodel)
+
+ logger.info("Update the ocloud: " + stxobj.id
+ + ", name: " + stxobj.name)
+ uow.commit()
+
+
+def is_outdated(ocloud: Ocloud, stxobj: StxGenericModel):
+ # if stxobj.updatetime:
+ # return True if Ocloud.updatetime < stxobj.updatetime else False
+ # else:
+ return True if ocloud.hash != stxobj.hash else False
+
+
+def create_by(stxobj: StxGenericModel) -> Ocloud:
+ imsendpoint = config.get_api_url() + config.get_o2ims_api_base()
+ globalcloudId = stxobj.id # to be updated
+ description = "An ocloud"
+ ocloud = Ocloud(stxobj.id, stxobj.name, imsendpoint,
+ globalcloudId, description, 1)
+ ocloud.createtime = stxobj.createtime
+ ocloud.updatetime = stxobj.updatetime
+ ocloud.hash = stxobj.hash
+
+ return ocloud
+
+
+def update_by(ocloud: Ocloud, stxobj: StxGenericModel) -> None:
+ if ocloud.oCloudId != stxobj.id:
+ raise MismatchedModel("More than 1 ocloud found")
+ ocloud.name = stxobj.name
+ ocloud.createtime = stxobj.createtime
+ ocloud.updatetime = stxobj.updatetime
+ # ocloud.content = stxobj.content
+ ocloud.hash = stxobj.hash
+ ocloud.version_number = ocloud.version_number + 1