fix some silly typos

server/djrandom/frontend/static/player.js

@@ -15,7 +15,7 @@ djr.Backend = function(userid) {
 };
 
 // Read a playlist, calls callback(Playlist).
-djr.Backend.prototype.getPlaylist(uuid, callback, ctx) {
+djr.Backend.prototype.getPlaylist = function(uuid, callback, ctx) {
   $.ajax({url: '/json/playlist/get/' + uuid,
           dataType: 'json',
           context: ctx,
@@ -26,7 +26,7 @@ djr.Backend.prototype.getPlaylist(uuid, callback, ctx) {
 };
 
 // Save a playlist (song array).
-djr.Backend.prototype.savePlaylist(uuid, songs) {
+djr.Backend.prototype.savePlaylist = function(uuid, songs) {
   $.ajax({url: '/json/playlist/save',
           data: {uuid: uuid,
                  h: songs.join(',')},
@@ -35,7 +35,7 @@ djr.Backend.prototype.savePlaylist(uuid, songs) {
 };
 
 // Return the HTML fragment for an array of songs.
-djr.Backend.prototype.getHtmlForSongs(songs, callback, ctx) {
+djr.Backend.prototype.getHtmlForSongs = function(songs, callback, ctx) {
   $.ajax({url: '/fragment/songs',
           data: {'h': songs.join(',')},
           dataType: 'html',
@@ -57,11 +57,11 @@ djr.PlaylistChunk = function(songs) {
   this.songs = songs || [];
 };
 
-djr.PlaylistChunk.prototype.hasSong(sha1) {
+djr.PlaylistChunk.prototype.hasSong = function(sha1) {
   return (this.songs.indexOf(sha1) >= 0);
 };
 
-djr.PlaylistChunk.prototype.removeSong(sha1) {
+djr.PlaylistChunk.prototype.removeSong = function(sha1) {
   this.songs = $.grep(this.songs, function(a) { return a != sha1; });
 };
 
@@ -69,8 +69,8 @@ djr.PlaylistChunk.prototype.removeSong(sha1) {
 
 // Playlist.
 
-djr.Playlist = function() {
-  this.uuid = null;
+djr.Playlist = function(uuid) {
+  this.uuid = uuid || djr.generateRandomId();
   this.chunks = [];
   this.song_map = {};
   this.chunk_map = {};
@@ -90,6 +90,7 @@ djr.Playlist.prototype.allSongs = function() {
 // Add a new chunk (only adds unique songs).
 // Returns the chunk ID.
 djr.Playlist.prototype.addChunk = function(playlist_chunk) {
+  djr.debug('adding chunk to playlist ' + this.uuid);
   chunk_id = this.next_chunk_id++;
   var songs = [];
   $.each(playlist_chunk.songs, function(idx, song) {
@@ -106,6 +107,7 @@ djr.Playlist.prototype.addChunk = function(playlist_chunk) {
 
 // Remove a chunk (by ID).
 djr.Playlist.prototype.removeChunk = function(chunk_id) {
+  djr.debug('removing chunk ' + chunk_id);
   $.each(this.chunks[chunk_id].songs, function(idx, song){
     delete this.song_map[song];
   });
@@ -181,8 +183,13 @@ djr.Player.prototype.search = function(query) {
     $.each(results, function(idx, item) {
       songs.push(item.sha1);
     });
+    if (songs.length == 0) {
+      djr.debug('No results found.');
+      return;
+    }
 
     var chunk_id = this.playlist.addChunk(new PlaylistChunk(songs));
+    djr.debug('search: new chunk ' + chunk_id);
 
     var player = this;
     this.backend.getHtmlForSongs(songs, function(songs_html) {