[英]Spotify create playlist and add tracks
I am trying to add a "save as playlist" button to my app API 1.0. 我正在尝试向我的应用程序API 1.0添加“另存为播放列表”按钮。
Can someone help me figure out what is wrong here? 有人可以帮我弄清楚这里出什么问题吗?
var player_obj = models.Album.fromURI('spotify:album:7o7UHh5PfO1kY4YoxqrwN7');
player_obj.load('tracks').done(function(a){
var saved_playlist = new models.Playlist.create(player_obj.name);
console.log(saved_playlist);
a.tracks.snapshot().done(function(snapshot){
for (var i = 0, l = snapshot.length; i < l; i++) {
var track = snapshot.get(i);
saved_playlist.add(track);
}
});
});
Get the error: Uncaught TypeError: Object # has no method 'add' 获取错误:未捕获的TypeError:对象#没有方法'add'
The playlist gets created, but it is empty. 播放列表已创建,但为空。
When the player_obj is a playlist, I get the same error, but the playlist gets created partially with "Loading..." where the name would be in the left side. 当player_obj是播放列表时,我遇到相同的错误,但是播放列表的创建部分是通过“ Loading ...”进行的,其中名称在左侧。
var player_obj = models.Playlist.fromURI('spotify:user:diannallm:playlist:7A5y9BA7dxQfOdEoN8igbY');
Finally figured this out. 终于明白了。
player_obj.load('tracks').done(function(po){
models.Playlist.create(player_obj.name).done(function(new_playlist) {
new_playlist.load('tracks').done(function(new_playlist_tracks) {
po.tracks.snapshot().done(function(tracksnapshot){
new_playlist_tracks.tracks.add(tracksnapshot.toArray());
/*
//This also works, but is less efficient and tracks may be entered out of order
for (var i=0; i<tracksnapshot.length; i++){
var track = tracksnapshot.get(i);
new_playlist_tracks.tracks.add(track);
}
*/
});
});
});
});
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