func FindTrack(id string) (Track, error) {
redisClient := redis.Get()
defer redisClient.Close()
values, err := redis.Values(redisClient.Do("HGETALL", "gokuraku:track:"+id))
if err != nil {
log.Panicln(err)
}
track := Track{}
err = redis.ScanStruct(values, &track)
if err != nil {
log.Panicln(err)
}
return track, nil
}
func getRandam() *Track {
redisClient := redis.Get()
defer redisClient.Close()
trackId, _ := redis.String(redisClient.Do("SRANDMEMBER", "gokuraku:track-ids"))
values, err := redis.Values(redisClient.Do("HGETALL", "gokuraku:track:"+trackId))
if err != nil {
panic(err)
}
track := Track{}
err = redis.ScanStruct(values, &track)
if err != nil {
panic(err)
}
return &track
}
func GetCurrent() (*CurrentTrack, error) {
var err error
redisClient := redis.Get()
defer redisClient.Close()
exists, _ := redis.Bool(redisClient.Do("EXISTS", "gokuraku:current-track"))
if exists == false {
err := updateCurrent()
if err != nil {
return nil, err
}
return GetCurrent()
}
values, err := redis.Values(redisClient.Do("HGETALL", "gokuraku:current-track"))
currentTrack := CurrentTrack{}
err = redis.ScanStruct(values, ¤tTrack)
if err != nil {
log.Panicln(err)
}
err = currentTrack.Validate()
if err != nil {
currentTrack.Destroy()
return nil, err
}
track, err := FindTrack(currentTrack.TrackId)
if err != nil {
log.Panicln(err)
}
return &CurrentTrack{currentTrack.TrackId, currentTrack.StartedAt, &track}, nil
}