/// <summary>
/// 下载完成列表排序
/// </summary>
/// <param name="finishedSort"></param>
public static void SortDownloadedList(DownloadFinishedSort finishedSort)
{
List <DownloadedItem> list = DownloadedList.ToList();
switch (finishedSort)
{
case DownloadFinishedSort.DOWNLOAD:
// 按下载先后排序
list.Sort((x, y) => { return(x.Downloaded.FinishedTimestamp.CompareTo(y.Downloaded.FinishedTimestamp)); });
break;
case DownloadFinishedSort.NUMBER:
// 按序号排序
list.Sort((x, y) =>
{
int compare = x.MainTitle.CompareTo(y.MainTitle);
return(compare == 0 ? x.Order.CompareTo(y.Order) : compare);
});
break;
default:
break;
}
// 更新下载完成列表
// 如果有更好的方法再重写
DownloadedList.Clear();
foreach (DownloadedItem item in list)
{
DownloadedList.Add(item);
}
}
/// <summary>
/// 设置下载完成列表排序
/// </summary>
/// <param name="finishedSort"></param>
/// <returns></returns>
public bool SetDownloadFinishedSort(DownloadFinishedSort finishedSort)
{
appSettings.Basic.DownloadFinishedSort = finishedSort;
return(SetSettings());
}
/// <summary>
/// 下载一个视频
/// </summary>
/// <param name="downloading"></param>
/// <returns></returns>
private async Task SingleDownload(DownloadingItem downloading)
{
// 路径
downloading.DownloadBase.FilePath = downloading.DownloadBase.FilePath.Replace("\\", "/");
string[] temp = downloading.DownloadBase.FilePath.Split('/');
//string path = downloading.DownloadBase.FilePath.Replace(temp[temp.Length - 1], "");
string path = downloading.DownloadBase.FilePath.TrimEnd(temp[temp.Length - 1].ToCharArray());
// 路径不存在则创建
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
try
{
await Task.Run(new Action(() =>
{
// 初始化
downloading.DownloadStatusTitle = string.Empty;
downloading.DownloadContent = string.Empty;
//downloading.Downloading.DownloadFiles.Clear();
// 解析并依次下载音频、视频、弹幕、字幕、封面等内容
Parse(downloading);
// 暂停
Pause(downloading);
string audioUid = null;
// 如果需要下载音频
if (downloading.DownloadBase.NeedDownloadContent["downloadAudio"])
{
//audioUid = DownloadAudio(downloading);
for (int i = 0; i < retry; i++)
{
audioUid = DownloadAudio(downloading);
if (audioUid != null && audioUid != nullMark)
{
break;
}
}
}
if (audioUid == nullMark)
{
DownloadFailed(downloading);
return;
}
// 暂停
Pause(downloading);
string videoUid = null;
// 如果需要下载视频
if (downloading.DownloadBase.NeedDownloadContent["downloadVideo"])
{
//videoUid = DownloadVideo(downloading);
for (int i = 0; i < retry; i++)
{
videoUid = DownloadVideo(downloading);
if (videoUid != null && videoUid != nullMark)
{
break;
}
}
}
if (videoUid == nullMark)
{
DownloadFailed(downloading);
return;
}
// 暂停
Pause(downloading);
string outputDanmaku = null;
// 如果需要下载弹幕
if (downloading.DownloadBase.NeedDownloadContent["downloadDanmaku"])
{
outputDanmaku = DownloadDanmaku(downloading);
}
// 暂停
Pause(downloading);
List <string> outputSubtitles = null;
// 如果需要下载字幕
if (downloading.DownloadBase.NeedDownloadContent["downloadSubtitle"])
{
outputSubtitles = DownloadSubtitle(downloading);
}
// 暂停
Pause(downloading);
string outputCover = null;
string outputPageCover = null;
// 如果需要下载封面
if (downloading.DownloadBase.NeedDownloadContent["downloadCover"])
{
// page的封面
string pageCoverFileName = $"{downloading.DownloadBase.FilePath}.{GetImageExtension(downloading.DownloadBase.PageCoverUrl)}";
outputPageCover = DownloadCover(downloading, downloading.DownloadBase.PageCoverUrl, pageCoverFileName);
string coverFileName = $"{downloading.DownloadBase.FilePath}.Cover.{GetImageExtension(downloading.DownloadBase.CoverUrl)}";
// 封面
//outputCover = DownloadCover(downloading, downloading.DownloadBase.CoverUrl, $"{path}/Cover.{GetImageExtension(downloading.DownloadBase.CoverUrl)}");
outputCover = DownloadCover(downloading, downloading.DownloadBase.CoverUrl, coverFileName);
}
// 暂停
Pause(downloading);
// 混流
string outputMedia = string.Empty;
if (downloading.DownloadBase.NeedDownloadContent["downloadAudio"] || downloading.DownloadBase.NeedDownloadContent["downloadVideo"])
{
outputMedia = MixedFlow(downloading, audioUid, videoUid);
}
// 这里本来只有IsExist，没有pause，不知道怎么处理
// 是否存在
//isExist = IsExist(downloading);
//if (!isExist.Result)
//{
// return;
//}
// 检测音频、视频是否下载成功
bool isMediaSuccess = true;
if (downloading.DownloadBase.NeedDownloadContent["downloadAudio"] || downloading.DownloadBase.NeedDownloadContent["downloadVideo"])
{
// 只有下载音频不下载视频时才输出aac
// 只要下载视频就输出mp4
if (File.Exists(outputMedia))
{
// 成功
isMediaSuccess = true;
}
else
{
isMediaSuccess = false;
}
}
// 检测弹幕是否下载成功
bool isDanmakuSuccess = true;
if (downloading.DownloadBase.NeedDownloadContent["downloadDanmaku"])
{
if (File.Exists(outputDanmaku))
{
// 成功
isDanmakuSuccess = true;
}
else
{
isDanmakuSuccess = false;
}
}
// 检测字幕是否下载成功
bool isSubtitleSuccess = true;
if (downloading.DownloadBase.NeedDownloadContent["downloadSubtitle"])
{
if (outputSubtitles == null)
{
// 为null时表示不存在字幕
}
else
{
foreach (string subtitle in outputSubtitles)
{
if (!File.Exists(subtitle))
{
// 如果有一个不存在则失败
isSubtitleSuccess = false;
}
}
}
}
// 检测封面是否下载成功
bool isCover = true;
if (downloading.DownloadBase.NeedDownloadContent["downloadCover"])
{
if (File.Exists(outputCover) || File.Exists(outputPageCover))
{
// 成功
isCover = true;
}
else
{
isCover = false;
}
}
if (!isMediaSuccess || !isDanmakuSuccess || !isSubtitleSuccess || !isCover)
{
DownloadFailed(downloading);
return;
}
// 下载完成后处理
Downloaded downloaded = new Downloaded
{
MaxSpeedDisplay = Format.FormatSpeed(downloading.Downloading.MaxSpeed),
};
// 设置完成时间
downloaded.SetFinishedTimestamp(new DateTimeOffset(DateTime.UtcNow).ToUnixTimeSeconds());
DownloadedItem downloadedItem = new DownloadedItem
{
DownloadBase = downloading.DownloadBase,
Downloaded = downloaded
};
App.PropertyChangeAsync(new Action(() =>
{
// 加入到下载完成list中，并从下载中list去除
downloadedList.Add(downloadedItem);
downloadingList.Remove(downloading);
// 下载完成列表排序
DownloadFinishedSort finishedSort = SettingsManager.GetInstance().GetDownloadFinishedSort();
App.SortDownloadedList(finishedSort);
}));
}));
}
catch (OperationCanceledException e)
{
Core.Utils.Debugging.Console.PrintLine(Tag, e.ToString());
LogManager.Debug(Tag, e.Message);
}
}
/// <summary>
/// 设置下载完成列表排序
/// </summary>
/// <param name="finishedSort"></param>
/// <returns></returns>
public bool SetDownloadFinishedSort(DownloadFinishedSort finishedSort)
{
settingsEntity.DownloadFinishedSort = finishedSort;
return(SetEntity());
}
