Commit hoarding is a problem

pkg/track.go

@@ -0,0 +1,74 @@
+package gomus
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+
+	"github.com/faiface/beep"
+	bflac "github.com/faiface/beep/flac"
+	"github.com/mewkiz/flac"
+	"github.com/mewkiz/flac/meta"
+)
+
+type track struct {
+	Title       string
+	Album       string
+	Artist      string
+	TrackPath   string
+	TrackTotal  uint8
+	TrackNumber uint8
+}
+
+func (t track) FilterValue() string { return "" }
+func (t track) fullName() string    { return fmt.Sprintf("%s - %s", t.Artist, t.Title) }
+
+func (t track) GetStream() (beep.StreamSeekCloser, beep.Format, error) {
+	f, err := os.Open(t.TrackPath)
+	check(err)
+
+	if strings.HasSuffix(t.TrackPath, ".flac") {
+		streamer, format, err := bflac.Decode(f)
+		check(err)
+		return streamer, format, nil
+	}
+
+	return nil, beep.Format{}, fmt.Errorf("Could not parse track")
+}
+
+func TrackFromFlac(path string) track {
+	path, err := filepath.Abs(path)
+	check(err)
+
+	s, err := flac.ParseFile(path)
+	check(err)
+
+	t := track{TrackPath: path}
+	for _, block := range s.Blocks {
+		if block.Header.Type == meta.TypeVorbisComment {
+			c := block.Body.(*meta.VorbisComment)
+			for _, tagTuple := range c.Tags {
+				tag, val := tagTuple[0], tagTuple[1]
+				switch tag {
+				case "TITLE":
+					t.Title = val
+				case "ARTIST":
+					t.Artist = val
+				case "ALBUM":
+					t.Album = val
+				case "TRACKNUMBER":
+					trackNum, err := strconv.ParseUint(val, 10, 8)
+					check(err)
+					t.TrackNumber = uint8(trackNum)
+				case "TRACKTOTAL":
+					trackTotal, err := strconv.ParseUint(val, 10, 8)
+					check(err)
+					t.TrackTotal = uint8(trackTotal)
+				}
+			}
+		}
+	}
+	return t
+}