continue working on channel.js

lib/channel-new.js

@@ -845,7 +845,7 @@ Channel.prototype.sendChatFilters = function (users) {
  */
 Channel.prototype.sendPlaylist = function (users) {
     var self = this;
-    
+
     var pl = self.playlist.items.toArray();
     var current = null;
     if (self.playlist.current) {
@@ -1129,6 +1129,255 @@ Channel.prototype.sendDrinks = function (users) {
     });
 };
 
+/**
+ * Resets video-related variables
+ */
+Channel.prototype.resetVideo = function () {
+    this.voteskip = false;
+    this.sendVoteskipUpdate(this.users);
+    this.drinks = 0;
+    this.sendDrinks(this.users);
+};
+
+/**
+ * Handles a queue message from a client
+ */
+Channel.prototype.handleQueue = function (user, data) {
+    // Verify the user has permission to add
+    if (!this.hasPermission(user, "playlistadd")) {
+        return;
+    }
+
+    // Verify data types
+    if (typeof data.id !== "string" && data.id !== false) {
+        return;
+    }
+    var id = data.id || false;
+
+    if (typeof data.type !== "string") {
+        return;
+    }
+    var type = data.type;
+    var link = util.formatLink(id, type);
+
+    // Verify user has the permission to add at the position given
+    if (data.pos === "next" && !this.hasPermission(user, "playlistnext")) {
+        return;
+    }
+    var pos = data.pos || "end";
+
+    // Verify user has permission to add a YouTube playlist, if relevant
+    if (data.type === "yp" && !this.hasPermission(user, "playlistaddlist")) {
+        user.socket.emit("queueFail", {
+            msg: "You don't have permission to add playlists",
+            link: link
+        });
+        return;
+    }
+
+    // Verify the user has permission to add livestreams, if relevant
+    if (isLive(type) && !this.hasPermission(user, "playlistaddlive")) {
+        user.socket.emit("queueFail", {
+            msg: "You don't have permission to add livestreams",
+            link: link
+        });
+        return;
+    }
+
+    // Verify the user has permission to add a Custom Embed, if relevant
+    if (data.type === "cu" && !this.hasPermission(user, "playlistaddcustom")) {
+        user.socket.emit("queueFail", {
+            msg: "You don't have permission to add custom embeds",
+            link: null
+        });
+        return;
+    }
+
+    /**
+     * Always reset any user-provided title if it's not a custom embed.
+     * Additionally reset if it is a custom embed but a title is not provided
+     */
+    if (typeof data.title !== "string" || data.type !== "cu") {
+        data.title = false;
+    }
+    var title = data.title || false;
+
+    var queueby = user != null ? user.name : "";
+    var temp = data.temp || !this.hasPermission(user, "addnontemp");
+
+    // Throttle video adds
+    var limit = {
+        burst: 3,
+        sustained: 1
+    };
+
+    if (user.rank >= 2 || this.leader === user) {
+        limit = {
+            burst: 10,
+            sustained: 2
+        };
+    }
+
+    if (user.queueLimiter.throttle(limit)) {
+        user.socket.emit("queueFail", {
+            msg: "You are adding videos too quickly",
+            link: null
+        });
+        return;
+    }
+
+    // Actually add the video
+    this.addMedia({
+        id: id,
+        title: title,
+        pos: pos,
+        queueby: queueby,
+        temp: temp,
+        type: type,
+        maxlength: this.hasPermission(user, "exceedmaxlength") ? 0 : this.opts.maxlength
+    }, function (err, media) {
+        if (err) {
+            user.socket.emit("queueFail", {
+                msg: err,
+                link: link
+            });
+            return;
+        }
+
+        if (media.restricted) {
+            user.socket.emit("queueWarn", {
+                msg: "This video is blocked in the following countries: " +
+                     media.restricted,
+                link: link
+            });
+            return;
+        }
+    });
+};
+
+/**
+ * Add a video to the playlist
+ */
+Channel.prototype.addMedia = function (data, callback) {
+    var self = this;
+
+    if (data.type === "cu" && typeof data.title === "string") {
+        var t = data.title;
+        if (t.length > 100) {
+            t = t.substring(0, 97) + "...";
+        }
+        data.title = t;
+    }
+
+    if (data.pos === "end") {
+        data.pos === "append";
+    }
+
+    var afterLookup = function (lock, shouldCache, media) {
+        if (data.maxlength && media.seconds > data.maxlength) {
+            callback("Maximum length exceeded: " + data.maxlength + " seconds", null);
+            lock.release();
+            return;
+        }
+
+        media.pos = data.pos;
+        media.queueby = data.queueby;
+        media.temp = data.temp;
+        var res = self.playlist.addMedia(media);
+        if (res.error) {
+            callback(res.error, null);
+            lock.release();
+            return;
+        }
+
+        self.logger.log("### " + data.queueby + " queued " + media.title);
+
+        var item = res.item;
+        var packet = {
+            item: item.pack(),
+            after: item.prev ? item.prev.uid : "prepend"
+        };
+        self.users.forEach(function (u) {
+            u.socket.emit("queue", packet);
+        });
+
+        self.sendPlaylistMeta(self.users);
+
+        if (shouldCache) {
+            self.cacheMedia(media);
+        }
+
+        lock.release();
+        callback(null, media);
+    };
+
+    // Cached video data
+    if (data.type !== "cu" && typeof data.title === "string") {
+        self.plqueue.queue(function (lock) {
+            var m = new Media(data.id, data.title, data.seconds, data.type);
+            afterData(lock, false, m);
+        });
+        return;
+    }
+
+    // YouTube playlists
+    if (data.type === "yp") {
+        self.plqueue.queue(function (lock) {
+            InfoGetter.getMedia(data.id, data.type, function (e, vids) {
+                if (e) {
+                    callback(e, null);
+                    lock.release();
+                    return;
+                }
+
+                // If queueing next, reverse queue order so the videos end up
+                // in the correct order
+                if (data.pos === "next") {
+                    vids.reverse();
+                    // Special case to ensure correct playlist order
+                    if (self.playlist.length === 0) {
+                        vids.unshift(vids.pop());
+                    }
+                }
+
+                // We only want to release the lock after the entire playlist
+                // is processed.  Set up a dummy so the same code will work.
+                var dummy = {
+                    release: function () { }
+                };
+
+                for (var i = 0; i < vids.length; i++) {
+                    afterData(dummy, false, vids[i]);
+                }
+
+                lock.release();
+            });
+        });
+        return;
+    }
+
+    // Cases where there is no cached data in the database
+    if (!self.registered || util.isLive(data.type)) {
+        self.plqueue.queue(function (lock) {
+            InfoGetter.getMedia(data.id, data.type, function (e, media) {
+                if (e) {
+                    callback(e, null);
+                    lock.release();
+                    return;
+                }
+
+                afterData(lock, false, media);
+            });
+        });
+        return;
+    }
+
+    // Finally, the "normal" case
+    self.plqueue.queue(function (lock) {
+
+    });
+};
+
 /**
  * Searches channel library
  */