public static async Task <bool> ScanAndRepairFile(GameFileInfo fileInfo, string gameFilePath,
bool useChunkDownloader = false, IProgress <ScanSubProgress> progress = null,
#pragma warning disable IDE0034 // Simplifier l'expression 'default'
CancellationToken ct = default(CancellationToken))
#pragma warning restore IDE0034 // Simplifier l'expression 'default'
{
var filePath = Path.Combine(gameFilePath, fileInfo.FileName);
//#1 Check File
ct.ThrowIfCancellationRequested();
progress?.Report(new ScanSubProgress(ScanSubProgressStep.Check, 0));
Progress <double> subProgressCheck = null;
if (progress != null)
{
subProgressCheck = new Progress <double>();
subProgressCheck.ProgressChanged += (o, d) =>
{
progress.Report(new ScanSubProgress(
ScanSubProgressStep.Check, d));
};
}
if (await RunFileCheck(filePath, fileInfo.Size, fileInfo.Crc32, ct, subProgressCheck))
{
progress?.Report(new ScanSubProgress(ScanSubProgressStep.End, 100));
return(true);
}
//#2 Download File
ct.ThrowIfCancellationRequested();
progress?.Report(new ScanSubProgress(ScanSubProgressStep.Download, 0));
var tempFileName = Path.Combine(GameScannerTempPath, $"{fileInfo.FileName.GetHashCode():X4}.tmp");
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
var fileDownloader = useChunkDownloader && fileInfo.BinSize > ChunkFileDownloader.ChunkSizeLimit
? new ChunkFileDownloader(fileInfo.HttpLink, tempFileName, GameScannerTempPath)
: (IFileDownloader) new SimpleFileDownloader(fileInfo.HttpLink, tempFileName);
if (progress != null)
{
fileDownloader.ProgressChanged += (sender, eventArg) =>
{
switch (fileDownloader.State)
{
case FileDownloaderState.Invalid:
case FileDownloaderState.Download:
progress.Report(new ScanSubProgress(
ScanSubProgressStep.Download, fileDownloader.DwnlProgress * 0.99,
new ScanDownloadProgress(fileDownloader.DwnlSize, fileDownloader.DwnlSizeCompleted,
fileDownloader.DwnlSpeed)));
break;
case FileDownloaderState.Finalize:
progress.Report(new ScanSubProgress(
ScanSubProgressStep.Download, 99,
new ScanDownloadProgress(fileDownloader.DwnlSize, fileDownloader.DwnlSizeCompleted,
0)));
break;
case FileDownloaderState.Complete:
progress.Report(new ScanSubProgress(
ScanSubProgressStep.Download, 100,
new ScanDownloadProgress(fileDownloader.DwnlSize, fileDownloader.DwnlSizeCompleted,
0)));
break;
case FileDownloaderState.Error:
case FileDownloaderState.Abort:
break;
default:
throw new ArgumentOutOfRangeException(nameof(fileDownloader.State),
fileDownloader.State, null);
}
}
}
;
try
{
await fileDownloader.Download(ct);
}
catch (Exception e)
{
throw new Exception($"Downloaded file '{fileInfo.FileName}' failed!\r\n" +
$"{e.Message}");
}
//#3 Check Downloaded File
ct.ThrowIfCancellationRequested();
Progress <double> subProgressCheckDown = null;
if (progress != null)
{
progress.Report(new ScanSubProgress(ScanSubProgressStep.CheckDownload, 0));
subProgressCheckDown = new Progress <double>();
subProgressCheckDown.ProgressChanged += (o, d) =>
{
progress.Report(new ScanSubProgress(
ScanSubProgressStep.CheckDownload, d));
};
}
if (!await RunFileCheck(tempFileName, fileInfo.BinSize, fileInfo.BinCrc32, ct, subProgressCheckDown))
{
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
throw new Exception($"Downloaded file '{fileInfo.FileName}' is invalid!");
}
//#4 Extract downloaded file
ct.ThrowIfCancellationRequested();
if (L33TZipUtils.IsL33TZipFile(tempFileName))
{
var tempFileName2 = $"{tempFileName.Replace(".tmp", string.Empty)}.ext.tmp";
//
Progress <double> extractProgress = null;
if (progress != null)
{
progress.Report(new ScanSubProgress(
ScanSubProgressStep.ExtractDownload, 0));
extractProgress = new Progress <double>();
extractProgress.ProgressChanged += (o, d) =>
{
progress.Report(new ScanSubProgress(
ScanSubProgressStep.ExtractDownload, d));
};
}
await L33TZipUtils.DoExtractL33TZipFile(tempFileName, tempFileName2, ct, extractProgress);
//#4.1 Check Extracted File
ct.ThrowIfCancellationRequested();
Progress <double> subProgressCheckExt = null;
if (progress != null)
{
//
progress.Report(new ScanSubProgress(
ScanSubProgressStep.CheckExtractDownload, 0));
subProgressCheckExt = new Progress <double>();
subProgressCheckExt.ProgressChanged += (o, d) =>
{
progress.Report(new ScanSubProgress(
ScanSubProgressStep.CheckExtractDownload, d));
};
}
if (!await RunFileCheck(tempFileName2, fileInfo.Size, fileInfo.Crc32, ct, subProgressCheckExt))
{
throw new Exception($"Extracted file '{fileInfo.FileName}' is invalid!");
}
tempFileName = tempFileName2;
}
//#5 Move new file to game folder
ct.ThrowIfCancellationRequested();
progress?.Report(new ScanSubProgress(
ScanSubProgressStep.Finalize, 0));
if (File.Exists(filePath))
{
File.Delete(filePath);
}
else
{
var pathName = Path.GetDirectoryName(filePath);
if (!string.IsNullOrEmpty(pathName) && !Directory.Exists(pathName))
{
Directory.CreateDirectory(pathName);
}
}
File.Move(tempFileName, filePath);
//#6 End
progress?.Report(new ScanSubProgress(
ScanSubProgressStep.End, 100));
return(true);
}
