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# ============LICENSE_START===================================================
# Copyright (C) 2019-2020 Nordix Foundation.
# ============================================================================
# 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.
#
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END=====================================================
from sqlalchemy import Column, Integer, String, ForeignKey
from sqlalchemy.orm import relationship
from mod import db
class SubscriptionModel(db.Model):
__tablename__ = 'subscriptions'
id = Column(Integer, primary_key=True, autoincrement=True)
subscription_name = Column(String(100), unique=True)
status = Column(String(20))
nfs = relationship(
'NfSubRelationalModel',
cascade='all, delete-orphan',
backref='subscription')
def __init__(self, subscription_name, status):
self.subscription_name = subscription_name
self.status = status
def __repr__(self):
return f'Subscription: {self.subscription_name} {self.status}'
def __eq__(self, other):
if isinstance(self, other.__class__):
return self.subscription_name == other.subscription_name
return False
class NetworkFunctionModel(db.Model):
__tablename__ = 'network_functions'
id = Column(Integer, primary_key=True, autoincrement=True)
nf_name = Column(String(100), unique=True)
orchestration_status = Column(String(100))
subscriptions = relationship(
'NfSubRelationalModel',
cascade='all, delete-orphan',
backref='nf')
def __init__(self, nf_name, orchestration_status):
self.nf_name = nf_name
self.orchestration_status = orchestration_status
def __repr__(self):
return f'NetworkFunctionModel: {self.nf_name}, {self.orchestration_status}'
class NfSubRelationalModel(db.Model):
__tablename__ = 'nf_to_sub_rel'
id = Column(Integer, primary_key=True, autoincrement=True)
subscription_name = Column(
String,
ForeignKey(SubscriptionModel.subscription_name, ondelete='cascade', onupdate='cascade')
)
nf_name = Column(
String,
ForeignKey(NetworkFunctionModel.nf_name, ondelete='cascade', onupdate='cascade')
)
nf_sub_status = Column(String(20))
def __init__(self, subscription_name, nf_name, nf_sub_status=None):
self.subscription_name = subscription_name
self.nf_name = nf_name
self.nf_sub_status = nf_sub_status
def __repr__(self):
return f'NetworkFunctionSubscriptions: {self.subscription_name}, ' \
f'{self.nf_name}, {self.nf_sub_status}'
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