add remove track from queue

.gitignore

@@ -3,6 +3,8 @@ result
 # self-signed certs for testing
 cert.pem
 key.pem
+# test files
+*.mp3
 
 # Created by https://www.toptal.com/developers/gitignore/api/linux,windows,macos,vim,goland+all,go,direnv
 # Edit at https://www.toptal.com/developers/gitignore?templates=linux,windows,macos,vim,goland+all,go,direnv

mpd.go

@@ -214,3 +214,27 @@ func setVolume(c echo.Context) error {
 
 	return c.String(http.StatusOK, "")
 }
+
+// Queue
+
+func deleteTrackFromQueue(c echo.Context) error {
+	// Connect to MPD server
+	conn, err := mpd.Dial("tcp", "localhost:6600")
+	if err != nil {
+		c.Logger().Error(err)
+	}
+	defer conn.Close()
+
+	songId, err := strconv.Atoi(c.Param("song_id"))
+	if err != nil {
+		c.Logger().Error(err)
+	}
+
+	err = conn.DeleteID(songId)
+	if err != nil {
+		c.Logger().Error(err)
+		return c.String(http.StatusBadRequest, err.Error())
+	}
+
+	return c.String(http.StatusOK, "")
+}

server.go

@@ -89,6 +89,8 @@ func main() {
 	g.GET("/random", toggleRandom)
 	g.GET("/volume/:level", setVolume)
 
+	g.GET("/queue/delete/:song_id", deleteTrackFromQueue)
+
 	g.GET("/download", downloadTrack)
 
 	e.GET("/ws", wsServe)

static/controls.js

@@ -406,8 +406,8 @@ socket.addEventListener("message", (e) => {
       remove.classList.add("borderless");
       remove.innerHTML = "❌"; // ❌ Cross mark
       remove.addEventListener("click", event => {
-        console.log(`DEBUG: remove song ${elem.Pos} from queue`);
+      console.log(`DEBUG: remove song id ${elem.Id} from queue`);
-        fetch(`${API_URL}/queue_del/${elem.Pos}`).then(r => {
+        fetch(`${API_URL}/queue/delete/${elem.Id}`).then(r => {
           console.log(r.text());
         });
       });