public static async Task CreateDownload(DownloadTaskModel m, List <DownloadUrlInfo> downloadUrls)
{
//var urls = await PlayurlHelper.GetVideoUrl_Download(m);
if (downloadUrls == null || downloadUrls.Count == 0)
{
await new MessageDialog(m.epTitle + " 无法读取到下载地址").ShowAsync();
return;
//throw new Exception(m.epTitle + " 无法读取到下载地址");
}
try
{
var folder = await GetCIDFolder(m);
await Task.Run(async() =>
{
await SetVideoInfo(m, folder);
await SetPartInfo(m, folder);
await DownloadDanmu(m.cid, folder);
await DownThumb(m.thumb, await folder.GetParentAsync());
});
for (int i = 0; i < downloadUrls.Count; i++)
{
CreateDown(m, i, downloadUrls[i], folder);
}
}
catch (Exception ex)
{
await new MessageDialog(ex.Message).ShowAsync();
}
}
private static async Task SetPartInfo(DownloadTaskModel m, StorageFolder folder)
{
try
{
StorageFile file = null;
if (await ExistsFile(folder.Path + @"/info.json"))
{
return;
}
else
{
file = await folder.CreateFileAsync("info.json", CreationCollisionOption.OpenIfExists);
}
DownloadPartnInfoModel downloadVideonInfoModel = new DownloadPartnInfoModel()
{
index = m.epIndex,
title = m.epTitle,
cid = m.cid,
path = folder.Path,
epid = m.epid
};
var infoJson = JsonConvert.SerializeObject(downloadVideonInfoModel);
await FileIO.WriteTextAsync(file, infoJson);
}
catch (Exception)
{
}
}
private static async Task <StorageFolder> GetCIDFolder(DownloadTaskModel m)
{
string setting = SettingHelper.Get_DownPath();
StorageFolder DownFolder = null;
try
{
if (SettingHelper.Get_CustomDownPath() && setting != "系统视频库")
{
string mruFirstToken = StorageApplicationPermissions.MostRecentlyUsedList.Entries.FirstOrDefault(x => x.Metadata == setting).Token;
var settingFolder = await StorageApplicationPermissions.MostRecentlyUsedList.GetFolderAsync(mruFirstToken);
DownFolder = await settingFolder.CreateFolderAsync("BiliBiliDownload", CreationCollisionOption.OpenIfExists);
}
else
{
DownFolder = await KnownFolders.VideosLibrary.CreateFolderAsync("BiliBiliDownload", CreationCollisionOption.OpenIfExists);
}
}
catch (Exception)
{
DownFolder = await KnownFolders.VideosLibrary.CreateFolderAsync("BiliBiliDownload", CreationCollisionOption.OpenIfExists);
}
StorageFolder avidFolder = null;
if (m.downloadMode == DownloadMode.Video)
{
avidFolder = await DownFolder.CreateFolderAsync(m.avid, CreationCollisionOption.OpenIfExists);
}
else
{
avidFolder = await DownFolder.CreateFolderAsync("s_" + m.sid, CreationCollisionOption.OpenIfExists);
}
StorageFolder cidFolder = await avidFolder.CreateFolderAsync(m.cid, CreationCollisionOption.OpenIfExists);
return(cidFolder);
}
private static async Task SetVideoInfo(DownloadTaskModel m, StorageFolder folder)
{
try
{
var f = await folder.GetParentAsync();
StorageFile file = null;
if (await ExistsFile(f.Path + @"/info.json"))
{
return;
}
else
{
file = await f.CreateFileAsync("info.json", CreationCollisionOption.OpenIfExists);
}
DownloadVideonInfoModel downloadVideonInfoModel = new DownloadVideonInfoModel()
{
thumb = m.thumb,
title = m.title
};
if (m.downloadMode == DownloadMode.Video)
{
downloadVideonInfoModel.id = m.avid;
downloadVideonInfoModel.type = "video";
}
else
{
downloadVideonInfoModel.id = m.sid;
downloadVideonInfoModel.type = "anime";
}
var infoJson = JsonConvert.SerializeObject(downloadVideonInfoModel);
await FileIO.WriteTextAsync(file, infoJson);
}
catch (Exception)
{
}
}
private static async void CreateDown(DownloadTaskModel m, int index, DownloadUrlInfo url, StorageFolder folder)
{
BackgroundDownloader downloader = new BackgroundDownloader();
foreach (var item in url.Headers)
{
downloader.SetRequestHeader(item.Key, item.Value);
}
//downloader.SetRequestHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0");
//if (!url.Contains("360.cn"))
//{
// downloader.SetRequestHeader("Origin", "https://www.bilibili.com/");
// downloader.SetRequestHeader("Referer", "https://www.bilibili.com/");
//}
//设置下载模式
if (SettingHelper.Get_DownMode() == 0)
{
group.TransferBehavior = BackgroundTransferBehavior.Serialized;
}
else
{
group.TransferBehavior = BackgroundTransferBehavior.Parallel;
}
downloader.TransferGroup = group;
//创建视频文件
var filetype = ".flv";
if (url.Url.Contains(".mp4"))
{
filetype = ".mp4";
}
StorageFile file = await folder.CreateFileAsync(index.ToString("000") + filetype, CreationCollisionOption.OpenIfExists);
DownloadOperation downloadOp = downloader.CreateDownload(new Uri(url.Url), file);
//设置下载策略
if (SettingHelper.Get_Use4GDown())
{
downloadOp.CostPolicy = BackgroundTransferCostPolicy.Always;
}
else
{
downloadOp.CostPolicy = BackgroundTransferCostPolicy.UnrestrictedOnly;
}
SqlHelper.InsertDownload(new DownloadGuidClass()
{
guid = downloadOp.Guid.ToString(),
cid = m.cid,
index = index,
aid = (m.downloadMode == DownloadMode.Anime) ? m.sid : m.avid,
eptitle = m.epTitle,
title = m.title,
mode = (m.downloadMode == DownloadMode.Anime) ? "anime" : "video"
});
try
{
await downloadOp.StartAsync();
}
catch (Exception)
{
}
}