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configuration_migration.go
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/
configuration_migration.go
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// MIT License
//
// # Copyright (c) 2018 Stefan Wichmann
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package main
import (
"fmt"
"time"
log "github.com/sirupsen/logrus"
)
func (configuration *Configuration) migrateToLatestVersion() {
log.Debugf("⚙ Migrating configuration to latest version...")
if configuration.Version == 0 {
configuration.migrateVersion0()
}
log.Debugf("⚙ Migration of configuration complete")
}
func (configuration *Configuration) migrateVersion0() {
log.Debugf("⚙ Migrating configuration version 0 to version 1...")
// Migrate to new timestamp format
for scheduleIndex := range configuration.Schedules {
for beforeTimestampIndex := range configuration.Schedules[scheduleIndex].BeforeSunrise {
t, err := migrateTimestampFormat(configuration.Schedules[scheduleIndex].BeforeSunrise[beforeTimestampIndex].Time)
if err != nil {
log.Warningf(err.Error())
} else {
configuration.Schedules[scheduleIndex].BeforeSunrise[beforeTimestampIndex].Time = t
}
}
for afterTimestampIndex := range configuration.Schedules[scheduleIndex].AfterSunset {
t, err := migrateTimestampFormat(configuration.Schedules[scheduleIndex].AfterSunset[afterTimestampIndex].Time)
if err != nil {
log.Warningf(err.Error())
} else {
configuration.Schedules[scheduleIndex].AfterSunset[afterTimestampIndex].Time = t
}
}
}
// Migration: Disable webinterface
if configuration.WebInterface.Port == 0 {
log.Debugf("⚙ Migrating webinterface settings...")
configuration.WebInterface.Enabled = false
configuration.WebInterface.Port = 8080
}
// Migration: Automatic enable of kelvin
for scheduleIndex := range configuration.Schedules {
configuration.Schedules[scheduleIndex].EnableWhenLightsAppear = true
}
configuration.Version = 1
log.Debugf("⚙ Migration to version 1 complete")
}
func migrateTimestampFormat(timestamp string) (string, error) {
// Check for old format and convert
layout := "3:04PM"
t, err := time.Parse(layout, timestamp)
if err == nil {
log.Debugf("⚙ Migrating old timestamp %s to %s", timestamp, t.Format("15:04"))
return t.Format("15:04"), nil
}
// Already new format? Return unchanged
layout = "15:04"
_, err = time.Parse(layout, timestamp)
if err == nil {
return timestamp, nil
}
return "", fmt.Errorf("invalid timestamp format: %s", timestamp)
}