Spotify的播放列表创建并添加曲目 [英] Spotify create playlist and add tracks

问题描述

我想加一个另存为播放列表按钮，我的应用程序API 1.0。

有人可以帮助我弄清楚什么是错在这里？

  VAR player_obj = models.Album.fromURI（'Spotify的：专辑：7o7UHh5PfO1kY4Y​​oxqrwN7'）;
player_obj.load（'轨道'）。完成（函数（）{
    VAR saved_playlist =新models.Playlist.create（player_obj.name）;
    的console.log（saved_playlist）;
    a.tracks.snapshot（）。完成（功能（快照）{
        对于（VAR I = 0,1 = snapshot.length; I＆LT;升;我++）{
            变种轨道= snapshot.get（ⅰ）;
            saved_playlist.add（轨道）;
        }
    }）;
}）;
 

获取错误：
未捕获类型错误：对象＃没有方法加

播放列表获取创建的，但它是空的。

在该player_obj是一个播放列表，我得到了同样的错误，但播放列表获取与载入中...里的名字将在左侧部分创建。

  VAR player_obj = models.Playlist.fromURI（'Spotify的：用户：diannallm：播放列表：7A5y9BA7dxQfOdEoN8igbY'）;
 

解决方案

终于想通了这一点。

  player_obj.load（'轨道'）。完成（功能（PO）{
    models.Playlist.create（player_obj.name）.done（功能（new_playlist）{
        new_playlist.load（'轨道'）。完成（功能（new_playlist_tracks）{
            po.tracks.snapshot（）。完成（功能（tracksnapshot）{
                new_playlist_tracks.tracks.add（tracksnapshot.toArray（））;
                / *
                //这也适用，但效率较低，轨道可输入无序
                对于（VAR I = 0; I＆LT; tracksnapshot.length;我++）{
                    变种轨道= tracksnapshot.get（ⅰ）;
                    new_playlist_tracks.tracks.add（轨道）;
                }
                * /
            }）;
        }）;
    }）;
}）;
 

I am trying to add a "save as playlist" button to my app API 1.0.

Can someone help me figure out what is wrong here?

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'

The playlist gets created, but it is empty.

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.

var player_obj = models.Playlist.fromURI('spotify:user:diannallm:playlist:7A5y9BA7dxQfOdEoN8igbY');

解决方案

Finally figured this out.

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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