add playbackmanager and outsource all relevent components

src/messagehandler.js

@@ -4,12 +4,13 @@ const {
     checkJellyfinItemIDRegex
 } = require('./util');
 const {
-    getAudioDispatcher,
-    setAudioDispatcher
+    getAudioDispatcher
 } = require('./dispachermanager');
 
 const discordclientmanager = require('./discordclientmanager');
 const jellyfinClientManager = require('./jellyfinclientmanager');
+const playbackmanager = require('./playbackmanager');
+const websocketHanler = require('./websockethandler');
 const discordClient = discordclientmanager.getDiscordClient();
 
 
@@ -57,27 +58,35 @@ async function searchForItemID(searchString) {
 }
 
 function summon(voiceChannel){
-
-    if (!voiceChannel) {
-        return message.reply('please join a voice channel to summon me!');
+    voiceChannel.join()
 }
 
-    voiceChannel.join()
+function summonMessage(message){
+    if (!message.member.voice.channel) {
+         message.reply('please join a voice channel to summon me!');
+    }else if(message.channel.type === 'dm'){
+        message.reply('no dms')
+    }
+    else{
+        summon(message.member.voice.channel)
+    }
 }
 
 function handleChannelMessage(message) {
     getRandomDiscordColor()
 
     if (message.content.startsWith(CONFIG["discord-prefix"] + 'summon')) {
-        if (message.channel.type === 'dm') {
-            return;
-        }
+        isSummendByPlay = false;
 
-        summon(message.member.voice.channel);
+        websocketHanler.openSocket();
+
+        summonMessage(message);
 
 
 
     } else if (message.content.startsWith(CONFIG["discord-prefix"] + 'disconnect')) {
+        playbackmanager.stop()
+        jellyfinClientManager.getJellyfinClient().closeWebSocket();
         discordClient.user.client.voice.connections.forEach((element) => {
             element.disconnect();
         });
@@ -85,10 +94,7 @@ function handleChannelMessage(message) {
 
     } else if ((message.content.startsWith(CONFIG["discord-prefix"] + 'pause')) || (message.content.startsWith(CONFIG["discord-prefix"] + 'resume'))) {
         if (getAudioDispatcher() !== undefined) {
-            if (getAudioDispatcher().paused)
-                getAudioDispatcher().resume();
-            else
-                getAudioDispatcher().pause(true);
+            playbackmanager.playPause();
         } else {
             message.reply("there is nothing playing!")
         }
@@ -98,8 +104,7 @@ function handleChannelMessage(message) {
 
     
         if (discordClient.user.client.voice.connections.size < 1) {
-            discordClient.user.client.voice.connections.size
-            summon(message.member.voice.channel)
+            summonMessage(message)
             isSummendByPlay=true
         }
 
@@ -121,27 +126,20 @@ function handleChannelMessage(message) {
             }
     
             discordClient.user.client.voice.connections.forEach((element) => {
-                let stream = `${jellyfinClientManager.getJellyfinClient().serverAddress()}/Audio/${itemID}/universal?UserId=${jellyfinClientManager.getJellyfinClient().getCurrentUserId()}&DeviceId=${jellyfinClientManager.getJellyfinClient().deviceId()}&MaxStreamingBitrate=${element.channel.bitrate.toString()}&Container=opus&AudioCodec=opus&api_key=${jellyfinClientManager.getJellyfinClient().accessToken()}&TranscodingContainer=ts&TranscodingProtocol=hls`;
-                setAudioDispatcher(element.play(stream));
-                element.on("error", (error) => {
-                    console.error(error);
-                })
-                getAudioDispatcher().on("finish",()=>{
-                    if(isSummendByPlay){
-                        element.disconnect();
-                    }
-                })
+                playbackmanager.startPlaying(element,itemID,isSummendByPlay);
             })
         }
 
         playThis();
 
     } else if (message.content.startsWith(CONFIG["discord-prefix"] + 'stop')) {
-        getAudioDispatcher().pause()
-        setAudioDispatcher(undefined)
-        discordClient.user.client.voice.connections.forEach((element) => {
-            element.disconnect();
-        });
+        if(isSummendByPlay){
+            if(discordClient.user.client.voice.connections.size > 0){
+                playbackmanager.stop(discordClient.user.client.voice.connections.first());
+            }
+        }else{
+            playbackmanager.stop();
+        }
 
     } else if (message.content.startsWith(CONFIG["discord-prefix"] + 'help')) {
         const reply = new Discord.MessageEmbed()

src/playbackmanager.js

@@ -0,0 +1,158 @@
+const { default: fetch } = require('node-fetch');
+const {
+    getAudioDispatcher,
+    setAudioDispatcher
+} = require('./dispachermanager');
+
+var currentPlayingItemId;
+var progressInterval;
+var isPaused;
+
+const jellyfinClientManager = require('./jellyfinclientmanager');
+function streamURLbuilder(itemID, bitrate) {
+    //so the server transcodes. Seems appropriate as it has the source file.
+    let supportedCodecs = "opus"
+    let supportedContainers = "ogg,opus"
+    return `${jellyfinClientManager.getJellyfinClient().serverAddress()}/Audio/${itemID}/universal?UserId=${jellyfinClientManager.getJellyfinClient().getCurrentUserId()}&DeviceId=${jellyfinClientManager.getJellyfinClient().deviceId()}&MaxStreamingBitrate=${bitrate}&Container=${supportedContainers}&AudioCodec=${supportedCodecs}&api_key=${jellyfinClientManager.getJellyfinClient().accessToken()}&TranscodingContainer=ts&TranscodingProtocol=hls`;
+}
+
+function startPlaying(voiceconnection, itemID, disconnectOnFinish) {
+    isPaused=false;
+    async function playasync() {
+        let url = streamURLbuilder(itemID, voiceconnection.channel.bitrate)
+        jellyfinClientManager.getJellyfinClient().reportPlaybackStart({ userID: `${jellyfinClientManager.getJellyfinClient().getCurrentUserId()}`, itemID: `${itemID}` })
+        currentPlayingItemId = itemID;
+        setAudioDispatcher(voiceconnection.play(url));
+        let time = await jellyfinClientManager.getJellyfinClient().getItem(jellyfinClientManager.getJellyfinClient().getCurrentUserId(),currentPlayingItemId)
+        async function asfg(){
+            jellyfinClientManager.getJellyfinClient().reportPlaybackProgress(getProgressPayload())
+        }
+        //progressInterval=setInterval(asfg,2000);
+
+        getAudioDispatcher().on("finish", () => {
+            if (disconnectOnFinish) {
+                stop(voiceconnection);
+            }else{
+                stop();
+            }
+        })
+    }
+    playasync().catch((rsn) => { console.log(rsn) });
+}
+/**
+ * @param {Object=} disconnectVoiceConnection - Optional The voice Connection do disconnect from
+ */
+function stop(disconnectVoiceConnection) {
+    isPaused=true;
+    if (disconnectVoiceConnection) {
+        disconnectVoiceConnection.disconnect()
+    }
+    jellyfinClientManager.getJellyfinClient().reportPlaybackStopped({userId: jellyfinClientManager.getJellyfinClient().getCurrentUserId(),itemId:currentPlayingItemId})
+    if(getAudioDispatcher())
+        getAudioDispatcher().destroy();
+    setAudioDispatcher(undefined);
+    clearInterval(progressInterval);
+}
+function pause() {
+    isPaused=true;
+    console.log('here paused is changed', isPaused);
+    jellyfinClientManager.getJellyfinClient().reportPlaybackProgress(getProgressPayload())
+    getAudioDispatcher().pause(true);
+}
+function resume() {
+    isPaused=false;
+    jellyfinClientManager.getJellyfinClient().reportPlaybackProgress(getProgressPayload())
+    getAudioDispatcher().resume();
+}
+function playPause() {
+    if (getAudioDispatcher().paused)
+        resume();
+    else
+        pause();
+}
+
+function getPostitionTicks(){
+    //this is very sketchy but i dont know how else to do it
+    return (getAudioDispatcher().streamTime - getAudioDispatcher().pausedTime)*10000;
+}
+
+function getPlayMethod(){
+    //TODO figure out how to figure this out
+    return 'Transcode';
+}
+
+function getRepeatMode(){
+    return 'RepeatNone';
+}
+
+function getPlaylistItemId(){
+    //as I curently dont support Playlists
+    return 'playlistItem0'
+}
+
+function getPlaySessionId(){
+    //really need to figure out what this is and how to get it
+    return 'ae2436edc6b91b11d72aeaa67f84e0ea';
+}
+
+function getNowPLayingQueue(){
+    return [{
+        Id: currentPlayingItemId,
+        //as I curently dont support Playlists
+        PlaylistItemId: getPlaylistItemId()
+    }]
+}
+
+function getCanSeek(){
+    return false;
+}
+
+function getIsMuted(){
+    return false;
+}
+
+function getVolumeLevel(){
+    return 100;
+}
+
+function getItemId(){
+    return currentPlayingItemId
+}
+
+function getIsPaused(){
+    //AudioDispacker Paused is to slow
+
+    if(isPaused == undefined){
+        isPaused=false;
+    }
+    
+    return isPaused;
+}
+
+function getProgressPayload(){
+    let payload= {
+        CanSeek: getCanSeek(),
+        IsMuted: getIsMuted(),
+        IsPaused: getIsPaused(),
+        ItemId: getItemId(),
+        MediaSourceId: getItemId(),
+        NowPlayingQueue: getNowPLayingQueue(),
+        PlayMethod: getPlayMethod(),
+        PlaySessionId: getPlaySessionId(),
+        PlaylistItemId: getPlaylistItemId(),
+        PositionTicks: getPostitionTicks(),
+        RepeatMode: getRepeatMode(),
+        VolumeLevel: getVolumeLevel()
+    }
+
+    console.log(payload.IsPaused);
+    return payload
+}
+
+module.exports = {
+    startPlaying,
+    stop,
+    playPause,
+    resume,
+    pause
+}