public Task Extract(NFSFile file)
{
if (working)
{
throw new InvalidOperationException("operation is already running");
}
if (file == null)
{
throw new ArgumentNullException("file");
}
//return extractFile(file)
// .ContinueWith(t =>
// {
// if (t.IsFaulted)
// throw t.Exception.Flatten();
// string destFolder = checkDirectory(file);
// moveFile(file, destFolder);
// });
string filename;
if (file.Order > 0)
{
filename = string.Format("{0} {1}", file.Name, file.Order + 1);
}
else
{
filename = file.Name;
}
return(unpackFile(filename)
.ContinueWith(t =>
{
if (t.IsFaulted)
{
if (file.Order > 0)
{
try
{
//retry with default order 0
unpackFile(file.Name).Wait();
}
catch
{
throw;
}
}
else
{
throw t.Exception.Flatten();
}
}
string destFolder = checkDirectory(file);
moveFile(file, destFolder);
}));
}
public FileData(NFSFile file, FolderData parentFolder)
: base(parentFolder)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
this.source = file;
this.name = file.Name;
this.filename = file.Filename;
this.extension = file.Extension;
this.size = formatSize(file.Size);
}
//if file already in dest, it will be overwritten
private void moveFile(NFSFile file, string destFolder)
{
string filename = file.Name;
string order = null;
if (file.Order > 0)
{
order = (file.Order + 1).ToString();
}
string sourceFile = Path.Combine(this.rootPath, filename + order);
string destFile = Path.Combine(destFolder, filename);
File.Copy(sourceFile, destFile, true);
File.Delete(sourceFile);
}
private string checkDirectory(NFSFile file)
{
List <string> folders = new List <string>();
var folder = file.Folder;
while (folder != null)
{
folders.Add(folder.Name);
folder = folder.ParentFolder;
}
string path = string.Join("\\", folders.Reverse <string>());
string dest = Path.Combine(this.rootPath, path);
if (!Directory.Exists(dest))
{
Directory.CreateDirectory(dest);
}
return(dest);
}
private Task extractFile(NFSFile file)
{
//order start from 1 in extractor, and hide if it's first file.
//such as for first xxx.xxx use origin name, for second use xxx.xxx 2
//this.invoker.Invoke(
// string.Format("{0} {1}", file.Name, file.Order + 1));
string filename;
if (file.Order > 0)
{
filename = string.Format("{0} {1}", file.Name, file.Order + 1);
}
else
{
filename = file.Name;
}
return(unpackFile(filename));
//this.invoker.Invoke(filename);
//this.nfsReadBlock = new AutoResetEvent(false);
//return Task.Factory.StartNew(() =>
//{
// this.nfsReadBlock.WaitOne();
// this.nfsReadBlock.Dispose();
// this.nfsReadBlock = null;
// this.working = false;
// var result = this.result;
// if (result.HasError)
// throw new Exception("error occurred while extract nfs file: " + result.Error);
//});
}
