func Load(configPath string, dataPath string) {
ConfigPath = DefaultConfigPath(configPath)
DataPath = DefaultDataPath(dataPath)
CreateDefaultConfig(ConfigPath)
CreateDataPath(DataPath)
fmt.Println("Config: %q", ConfigPath)
config, err := loadJsonConfig(ConfigPath)
if err != nil {
panic(err)
}
Config.WeatherUndergroundKey = config["weather_underground_key"]
Config.WeatherUndergroundLocation = config["weather_underground_location"]
observer.Notify("config.loaded", struct{}{})
}
func Play(song library.Song) error {
LastSong = CurrentSong
CurrentSong = &song
log.Printf("player: playing %q (%f)", song.Path, song.Rank)
logMetadata(song.Path)
if sleepPlayer {
playerCmd = exec.Command("sleep", "5")
} else {
playerCmd = exec.Command(playerBin, song.Path)
}
err := playerCmd.Run()
if err != nil {
return fmt.Errorf("player: %v", err)
}
observer.Notify("player.played", &song)
return nil
}
// loads Songs from either song_hashes.txt or songs.txt (first to exist).
// loads the path graph
func Load() {
songHashMap = make(map[string][]*Song, 1000)
songPathMap = make(map[string]*Song, 1000)
songHashesPath := path.Join(config.DataPath, "song_hashes.txt")
//songsPath := path.Join(config.DataPath, "songs.txt")
songErrorsPath := path.Join(config.DataPath, "song_errors.txt")
loadSongErrors(songErrorsPath)
//loadSongs(songsPath)
loadSongHashesMap(songHashesPath)
go IdentifySongs(Songs, songHashesPath)
observer.Notify("library.loaded", struct{}{})
log.Printf("Loaded %d songs", len(Songs))
PathRoots = graph.LoadGraph(Songs)
}
// Build up the SongKarma map, and spread impressiosn to library.Song.Rank
func Load() error {
SongKarma = make(map[string]int)
impressionCount := 0
timestampIdx := 0
logTypeIdx := 1
// logType = karma
hashIdx := 2
impressionIdx := 3
// logType = env
tagIdx := 2
valIdx := 3
impressionLogPath := path.Join(config.DataPath, "impression.log")
log.Printf("Reading impressions from: %q", impressionLogPath)
f, err := os.Open(impressionLogPath)
if err != nil {
return err
}
defer f.Close()
r := csv.NewReader(f)
r.Comma = '\t'
r.Comment = '#'
records, err := r.ReadAll()
if err != nil {
return err
}
for _, record := range records {
if len(record) != 4 {
return fmt.Errorf("Malformed impression.log, wrong number of columns %d expected 4", len(record))
}
timestampStr := record[timestampIdx]
timestamp, _ := time.Parse("2016/02/21 20:18:49.091737", timestampStr)
logType := record[logTypeIdx]
switch logType {
case "karma":
hash := record[hashIdx]
impression, _ := strconv.Atoi(record[impressionIdx])
SongKarma[hash] += impression
song, err := library.ByHash(hash)
if err != nil {
continue
}
impressionCount++
historicalEnv.Impress(timestamp, song, impression)
go song.PathGraphImpress(impression)
case "env":
sensor := record[tagIdx]
val := record[valIdx]
historicalEnv.Update(timestamp, sensor, val)
}
}
//historicalEnv.Print()
//log.Printf("%v", SongKarma)
sort.Sort(library.Songs)
observer.Notify("karma.loaded", struct{}{})
log.Printf("Loading karma: %d impressions loaded", impressionCount)
return nil
}
func Skip() error {
observer.Notify("player.skip", CurrentSong)
return Stop()
}