Improve current music status functions

pkg/player/playerctl.go

@@ -95,13 +95,18 @@ func CurrentMetadata(key string) (string, error) {
 	if err != nil {
 		return "", err
 	}
-	return string(out), nil
+	data := string(out)
+	if data == "No player could handle this command" || data == "" {
+		data = "Unknown " + strings.Title(key)
+	}
+	return data, nil
 }
 
-func CurrentStatus() (string, error) {
+func CurrentStatus() (bool, error) {
 	out, err := exec.Command("playerctl", "status").Output()
 	if err != nil {
-		return "", err
+		return false, err
 	}
-	return string(out), nil
+	data := string(out)
+	return data == "Playing", nil
 }