add mpd status messages

mpd.go

@@ -0,0 +1,190 @@
+package main
+
+import (
+	"github.com/fhs/gompd/v2/mpd"
+	"github.com/labstack/echo/v4"
+	"log"
+	"net/http"
+	"strconv"
+	"time"
+)
+
+// MPD API calls
+
+func previousTrack(c echo.Context) error {
+	// Connect to MPD server
+	conn, err := mpd.Dial("tcp", "localhost:6600")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer conn.Close()
+
+	err = conn.Previous()
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	return c.String(http.StatusOK, "")
+}
+
+func nextTrack(c echo.Context) error {
+	// Connect to MPD server
+	conn, err := mpd.Dial("tcp", "localhost:6600")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer conn.Close()
+
+	err = conn.Next()
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	return c.String(http.StatusOK, "")
+}
+
+func stopPlayback(c echo.Context) error {
+	// Connect to MPD server
+	conn, err := mpd.Dial("tcp", "localhost:6600")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer conn.Close()
+
+	err = conn.Stop()
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	return c.String(http.StatusOK, "")
+}
+
+func resumePlayback(c echo.Context) error {
+	// Connect to MPD server
+	conn, err := mpd.Dial("tcp", "localhost:6600")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer conn.Close()
+
+	err = conn.Pause(false)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	return c.String(http.StatusOK, "")
+}
+
+func pausePlayback(c echo.Context) error {
+	// Connect to MPD server
+	conn, err := mpd.Dial("tcp", "localhost:6600")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer conn.Close()
+
+	err = conn.Pause(true)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	return c.String(http.StatusOK, "")
+}
+
+func seek(c echo.Context) error {
+	// Connect to MPD server
+	conn, err := mpd.Dial("tcp", "localhost:6600")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer conn.Close()
+
+	seconds, err := strconv.Atoi(c.Param("seconds"))
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	if seconds < 0 {
+		return c.String(http.StatusBadRequest, "seconds must be positive integer")
+	}
+
+	err = conn.SeekCur(time.Duration(seconds)*time.Second, false)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	return c.String(http.StatusOK, "")
+}
+
+func toggleRepeat(c echo.Context) error {
+	// Connect to MPD server
+	conn, err := mpd.Dial("tcp", "localhost:6600")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer conn.Close()
+
+	status, err := conn.Status()
+	if err != nil {
+		log.Fatalln(err)
+	}
+	if status["repeat"] == "1" {
+		err = conn.Repeat(false)
+	} else {
+		err = conn.Repeat(true)
+	}
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	return c.String(http.StatusOK, "")
+}
+
+func toggleRandom(c echo.Context) error {
+	// Connect to MPD server
+	conn, err := mpd.Dial("tcp", "localhost:6600")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer conn.Close()
+
+	status, err := conn.Status()
+	if err != nil {
+		log.Fatalln(err)
+	}
+	if status["toggleRandom"] == "1" {
+		err = conn.Random(false)
+	} else {
+		err = conn.Random(true)
+	}
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	return c.String(http.StatusOK, "")
+}
+
+func setVolume(c echo.Context) error {
+	// Connect to MPD server
+	conn, err := mpd.Dial("tcp", "localhost:6600")
+	if err != nil {
+		log.Fatalln(err)
+	}
+	defer conn.Close()
+
+	level, err := strconv.Atoi(c.Param("level"))
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	if level > 100 || level < 0 {
+		return c.String(http.StatusBadRequest, "Volume must be between 0 and 100")
+	}
+
+	err = conn.SetVolume(level)
+	if err != nil {
+		log.Fatalln(err)
+	}
+
+	return c.String(http.StatusOK, "")
+}