public override async Task Download()
{
try
{
var item = Info.Entity as SongViewModel;
if (item == null)
{
throw new Exception("song item is null");
}
if (string.IsNullOrEmpty(item.UrlLrc))
{
item.UrlLrc = await NetAccess.GetUrlLrc(item.Id);
}
Info.Url = item.UrlLrc;
if (string.IsNullOrEmpty(Info.Url))
{
State = EnumDownloadState.Error;
NotifyState();
return;
}
}
catch (Exception e)
{
NotifyError(e);
return;
}
await base.Download();
}