From 141bb6977778ed6e5d601f5c765bd7ec9f71e70f Mon Sep 17 00:00:00 2001
From: calzoneman <calzoneman@gmail.com>
Date: Mon, 25 Mar 2013 14:39:03 -0500
Subject: [PATCH] Support YouTube Playlists

---
 channel.js                 | 32 ++++++++++++++++++++++++++++++++
 get-info.js                | 10 ++++++++++
 www/assets/js/functions.js | 22 +++++++++++++++++-----
 3 files changed, 59 insertions(+), 5 deletions(-)

diff --git a/channel.js b/channel.js
index 3aba97ef..7243ecc9 100644
--- a/channel.js
+++ b/channel.js
@@ -467,6 +467,38 @@ Channel.prototype.enqueue = function(data) {
         }})(this, data.id);
         InfoGetter.getYTInfo(data.id, callback);
     }
+    // YouTube Playlist
+    else if(data.type == "yp") {
+        var callback = (function(chan, id) { return function(res, data) {
+            if(res != 200) {
+                return;
+            }
+
+            try {
+                for(var i = 0; i < data.feed.entry.length; i++) {
+                    var item = data.feed.entry[i];
+                    var title = item.title.$t;
+                    var url = item.link[1].href;
+                    var parts = url.split("/");
+                    var id = parts[parts.length - 1];
+                    var seconds = item.media$group.yt$duration.seconds;
+                    var vid = new Media(id, title, seconds, "yt");
+                    chan.queue.splice(idx, 0, vid);
+                    chan.sendAll("queue", {
+                        media: vid.pack(),
+                        pos: idx
+                    });
+                    chan.addToLibrary(vid);
+                    idx++;
+                }
+            }
+            catch(e) {
+                console.log("YTPlaylist Failed: id=", id);
+                console.log(e);
+            }
+        }})(this, data.id);
+        InfoGetter.getYTPlaylist(data.id, callback);
+    }
     // Set up twitch metadata
     else if(data.type == "tw") {
         var media = new Media(data.id, "Twitch ~ " + data.id, 0, "tw");
diff --git a/get-info.js b/get-info.js
index 00cb2240..7cece832 100644
--- a/get-info.js
+++ b/get-info.js
@@ -71,6 +71,16 @@ exports.getYTInfo = function(id, callback) {
         timeout: 1000}, callback);
 }
 
+exports.getYTPlaylist = function(id, callback) {
+    getJSON({
+        host: "gdata.youtube.com",
+        port: 80,
+        path: "/feeds/api/playlists/" + id + "?v=2&alt=json",
+        method: "GET",
+        dataType: "jsonp",
+        timeout: 1000}, callback);
+}
+
 // Look up Soundcloud metadata
 // Whoever designed this should rethink it.  I"ll submit a feedback
 // form on their website.
diff --git a/www/assets/js/functions.js b/www/assets/js/functions.js
index c778570d..e6fb62a6 100644
--- a/www/assets/js/functions.js
+++ b/www/assets/js/functions.js
@@ -449,8 +449,12 @@ function removeCurrentPlayer(){
 function parseVideoURL(url){
     if(typeof(url) != "string")
         return null;
-    if(url.indexOf("youtu.be") != -1 || url.indexOf("youtube.com") != -1)
+    if(url.indexOf("youtu.be") != -1 || url.indexOf("youtube.com") != -1) {
+        if(url.indexOf("playlist") != -1) {
+            return [parseYTPlaylist(url), "yp"];
+        }
         return [parseYTURL(url), "yt"];
+    }
     else if(url.indexOf("twitch.tv") != -1)
         return [parseTwitch(url), "tw"];
     else if(url.indexOf("livestream.com") != -1)
@@ -467,12 +471,12 @@ function parseYTURL(url) {
     url = url.replace("feature=player_embedded&", "");
     if(url.indexOf("&list=") != -1)
         url = url.substring(0, url.indexOf("&list="));
-    var m = url.match(/youtube\.com\/watch\\?v=([^&]*)/);
+    var m = url.match(/youtube\.com\/watch\?v=([^&]+)/);
     if(m) {
         // Extract ID
         return m[1];
     }
-    var m = url.match(/youtu\.be\/([^&]*)/);
+    var m = url.match(/youtu\.be\/([^&]+)/);
     if(m) {
         // Extract ID
         return m[1];
@@ -486,8 +490,16 @@ function parseYTURL(url) {
     return null;
 }
 
+function parseYTPlaylist(url) {
+    var m = url.match(/youtube\.com\/playlist\?list=([^&]+)/);
+    if(m) {
+        return m[1];
+    }
+    return null;
+}
+
 function parseTwitch(url) {
-    var m = url.match(/twitch\.tv\/([a-zA-Z0-9]*)/);
+    var m = url.match(/twitch\.tv\/([a-zA-Z0-9]+)/);
     if(m) {
         // Extract channel name
         return m[1];
@@ -496,7 +508,7 @@ function parseTwitch(url) {
 }
 
 function parseLivestream(url) {
-    var m = url.match(/livestream\.com\/([a-zA-Z0-9]*)/);
+    var m = url.match(/livestream\.com\/([a-zA-Z0-9]+)/);
     if(m) {
         // Extract channel name
         return m[1];