public static XElement CreateSingleDownloadXElement(BiliDashDownload viewModel)//单个视频创建XElement
{
var model = new DownloadXmlModel()
{
DownloadName = viewModel.DownloadName,
Title = viewModel.Title,
Bv = viewModel.Bv,
Cid = viewModel.Cid,
Quality = viewModel.Quality,
CacheFolderPath = viewModel.CacheFolder.Path,
PartList = new DownloadPartXmlModel[]
{
new DownloadPartXmlModel()
{
TaskGuid = viewModel.PartList[0].TaskGuid,
RestoreModelJson = viewModel.PartList[0].TaskRestoreModelJson
},
new DownloadPartXmlModel()
{
TaskGuid = viewModel.PartList[1].TaskGuid,
RestoreModelJson = viewModel.PartList[1].TaskRestoreModelJson
}
}
};//建立xml模型，用于储存
return(DownloadXmlModelToXElement(model));
}
public static async Task <IBiliDownload> RecreateAsync(DownloadXmlModel xml, string sessdata)
{
var video = await BiliVideoHelper.GetSingleVideoAsync(xml.Bv, xml.Cid, xml.Quality, sessdata);
var partList = new List <IBiliDownloadPart>();
var t1 = JsonConvert.DeserializeObject <DownloadTaskRestoreModel>(xml.PartList[0].RestoreModelJson);
var t2 = JsonConvert.DeserializeObject <DownloadTaskRestoreModel>(xml.PartList[1].RestoreModelJson);
t1.Url = video.VideoUrl;
t2.Url = video.AudioUrl;
var part1 = new BiliDashDownloadPart()//使用构造函数来创建实例，灵活
{
Task = DownloadTask.Restore(t1),
CacheFile = await StorageFile.GetFileFromPathAsync(t1.Path)
};
var part2 = new BiliDashDownloadPart()
{
Task = DownloadTask.Restore(t2),
CacheFile = await StorageFile.GetFileFromPathAsync(t2.Path)
};
partList.Add(part1);
partList.Add(part2);
var download = new BiliDashDownload()
{
DownloadName = xml.DownloadName,
Bv = xml.Bv,
Cid = xml.Cid,
Quality = xml.Quality,
VideoUrl = video.VideoUrl,
AudioUrl = video.AudioUrl,
CacheFolder = await StorageFolder.GetFolderFromPathAsync(xml.CacheFolderPath),
PartList = partList,
Title = xml.Title
};
download.ChineseStatus = "已暂停";
ulong currentProgress = 0;
ulong fullProgress = 0;
foreach (var part in partList)
{
currentProgress += part.Task.DownloadedBytes;
fullProgress += part.Task.TotalBytes;
}
download.CurrentProgress = currentProgress;
download.FullProgress = fullProgress;
download.currentSpeed = 0;
download.IsPaused = true;
return(download);
}
private static XElement DownloadXmlModelToXElement(DownloadXmlModel model)
{
var downloadXElement = new XElement("Download",
new XElement("Name", model.DownloadName),
new XElement("Title", model.Title),
new XElement("Bv", model.Bv),
new XElement("Cid", model.Cid),
new XElement("Quality", model.Quality),
new XElement("CacheFolderPath", model.CacheFolderPath),
new XElement("Parts",
new XElement("Part",
new XElement("TaskGuid", model.PartList[0].TaskGuid.ToString()),
new XElement("RestoreModelJson", model.PartList[0].RestoreModelJson)),
new XElement("Part",
new XElement("TaskGuid", model.PartList[1].TaskGuid.ToString()),
new XElement("RestoreModelJson", model.PartList[1].RestoreModelJson))));
return(downloadXElement);
}
