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gateway_antenna_store.go
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gateway_antenna_store.go
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// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// 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.
package store
import (
"context"
"runtime/trace"
"github.com/jinzhu/gorm"
)
func (s *store) replaceGatewayAntennas(ctx context.Context, gatewayUUID string, old []GatewayAntenna, new []GatewayAntenna) error {
return replaceGatewayAntennas(ctx, s.DB, gatewayUUID, old, new)
}
func replaceGatewayAntennas(ctx context.Context, db *gorm.DB, gatewayUUID string, old []GatewayAntenna, new []GatewayAntenna) (err error) {
defer trace.StartRegion(ctx, "update gateway antennas").End()
db = db.Where(GatewayAntenna{GatewayID: gatewayUUID})
if len(new) < len(old) {
if err = db.Where("\"index\" >= ?", len(new)).Delete(&GatewayAntenna{}).Error; err != nil {
return err
}
}
for _, antenna := range new {
antenna.GatewayID = gatewayUUID
if err = db.Save(&antenna).Error; err != nil {
return err
}
}
return nil
}