public void ZipFiles(
FileFullPath zipFileName,
FullPath baseDir,
IEnumerable <FileFullPath> filesToZip,
bool optimizeFiles)
{
_taskContext.LogInfo($"Zipping {zipFileName}");
var zipFileFullPath = zipFileName.ToFullPath();
if (File.Exists(zipFileFullPath))
{
File.Delete(zipFileFullPath);
}
List <FileFullPath> tmpList = filesToZip.ToList();
if (optimizeFiles)
{
tmpList = RemoveDuplicateFiles(tmpList, baseDir);
}
using (ZipArchive newFile = ZipFile.Open(zipFileFullPath, ZipArchiveMode.Create))
{
foreach (FileFullPath fileToZip in tmpList)
{
LocalPath debasedFileName = fileToZip.ToFullPath().DebasePath(baseDir);
newFile.CreateEntryFromFile(fileToZip.ToString(), debasedFileName, CompressionLevel.Optimal);
}
}
}
private List <FileFullPath> RemoveDuplicateFiles(List <FileFullPath> filesToZip, FullPath baseDir)
{
ZipMetadata metadata = new ZipMetadata();
List <FileFullPath> list = new List <FileFullPath>();
while (filesToZip.Count > 0)
{
FileFullPath current = filesToZip[filesToZip.Count - 1];
var currentDebase = current.ToFullPath().DebasePath(baseDir);
filesToZip.RemoveAt(filesToZip.Count - 1);
ZipMetadataItem metaItem = new ZipMetadataItem {
FileName = currentDebase
};
metaItem.DestinationFiles.Add(currentDebase);
metadata.Items.Add(metaItem);
list.Add(current);
byte[] firstHash = CalculateHash(current.ToString());
FileInfo currentInfo = new FileInfo(current.ToString());
for (int i = filesToZip.Count - 1; i >= 0; i--)
{
FileFullPath tmp = filesToZip[i];
if (tmp.FileName != current.FileName)
{
continue;
}
FileInfo tmpInfo = new FileInfo(tmp.ToString());
if (tmpInfo.Length != currentInfo.Length)
{
continue;
}
byte[] secondHash = CalculateHash(tmp.ToString());
if (!HashEqual(firstHash, secondHash))
{
continue;
}
metaItem.DestinationFiles.Add(tmp.ToFullPath().DebasePath(baseDir));
filesToZip.RemoveAt(i);
}
}
string metadataFile = Path.Combine(baseDir.ToString(), MetadataFileName);
File.WriteAllText(metadataFile, JsonConvert.SerializeObject(metadata));
list.Add(new FileFullPath(metadataFile));
return(list);
}
public ICollection <PackagedFileInfo> ListFiles()
{
List <PackagedFileInfo> files = new List <PackagedFileInfo>();
foreach (string fileName in _directoryFilesLister.ListFiles(
_directoryPath.ToString(),
_recursive, DirectoryFilter))
{
FileFullPath fileNameFullPath = new FileFullPath(fileName);
LocalPath debasedFileName = fileNameFullPath.ToFullPath().DebasePath(_directoryPath);
if (!LoggingHelper.LogIfFilteredOut(fileName, FileFilter, _taskContext, _logFiles))
{
continue;
}
PackagedFileInfo packagedFileInfo = new PackagedFileInfo(fileNameFullPath, debasedFileName);
files.Add(packagedFileInfo);
}
return(files);
}