Define an interface to support different music players

2 files changed, 62 insertions, 17 deletions

diff --git a/statusbar.conf b/statusbar.conf
index 197383c..82802d0 100644
--- a/statusbar.conf
+++ b/statusbar.conf
@@ -12,6 +12,7 @@ label = "mounts: "
 mountpoints = [ "/", "/mnt/storage", "/mnt/storage1" ]
 
 [music]
+# type can be mpd or mocp
 type = "mpd"
 labelplaying = "▶  "
 labelpaused = "⏸  "
diff --git a/statusbar.go b/statusbar.go
index 86b0310..a12c2ce 100644
--- a/statusbar.go
+++ b/statusbar.go
@@ -14,6 +14,14 @@ import (
 	"github.com/BurntSushi/toml"
 )
 
+type MusicPlayer interface {
+	nowPlaying() string
+	status() int
+}
+
+type MPD struct{}
+type MOCP struct{}
+
 type Config struct {
 	Sections []string
 	Delay int
@@ -126,7 +134,7 @@ func clock(format string) string {
 	return t.Format(format)
 }
 
-func nowPlayingMPD() string {
+func (mpd MPD) nowPlaying() string {
 	cmd := exec.Command("mpc", "current")
 	out, err := cmd.Output()
 	if err != nil {
@@ -137,8 +145,8 @@ func nowPlayingMPD() string {
 	return sOut
 }
 
-// Returns 0 if playing, 1 if paused and 2 if stopped
-func statusMPD() int {
+// Returns 0 if playing, 1 if paused and 2 otherwise
+func (mpd MPD) status() int {
 	cmd := exec.Command("mpc", "status")
 	out, err := cmd.Output()
 	if err != nil {
@@ -154,6 +162,35 @@ func statusMPD() int {
 	}
 }
 
+func (mocp MOCP) nowPlaying() string {
+	cmd := exec.Command("mocp", "-Q", "%artist - %song")
+	out, err := cmd.Output()
+	if err != nil {
+		panic(err)
+	}
+	sOut := string(out)
+	sOut = strings.ReplaceAll(sOut, "\n", "")
+	return sOut
+}
+
+// Returns 0 if playing, 1 if paused and 2 otherwise
+func (mocp MOCP) status() int {
+	cmd := exec.Command("mocp", "-i")
+	out, err := cmd.Output()
+	if err != nil {
+		return -1
+	}
+	sOut := string(out)
+	if strings.Contains(sOut, "PLAY") {
+		return 0
+	} else if strings.Contains(sOut, "PAUSE") {
+		return 1
+	} else {
+		return 2
+	}
+}
+
+
 func buildClock(config ClockConfig) string {
 	var b strings.Builder
 	b.WriteString(config.Label)
@@ -181,24 +218,31 @@ func buildMounts(config MountConfig) string {
 
 func buildMusic(config MusicConfig) string {
 	var b strings.Builder
+	var player MusicPlayer
 	switch config.Type {
 	case "mpd":
-		isMPD := true
-		switch statusMPD() {
-		case 0:
-			b.WriteString(config.LabelPlaying)
-		case 1:
-			b.WriteString(config.LabelPaused)
-		case 2:
-			b.WriteString(config.LabelStopped)
-		default:
-			isMPD = false
-		}
-		if isMPD {
-			b.WriteString(nowPlayingMPD())
-		}
+		player = MPD{}
+	case "mocp":
+		player = MOCP{}
 	default:
 	}
+	exists := player != nil
+	if !exists {
+		return "Unknown music player type"
+	}
+	switch player.status() {
+	case 0:
+		b.WriteString(config.LabelPlaying)
+	case 1:
+		b.WriteString(config.LabelPaused)
+	case 2:
+		b.WriteString(config.LabelStopped)
+	default:
+		exists = false
+	}
+	if exists {
+		b.WriteString(player.nowPlaying())
+	}
 	return b.String()
 }