public static async Task <string> WriteToCacheAsync(this IDiskIOHelper ioHelper, IEntryModel entry, CancellationToken ct, bool force = false)
{
var mapping = ioHelper.Mapper[entry];
if (!mapping.IsCached || force)
{
if (entry.IsDirectory)
{
System.IO.Directory.CreateDirectory(mapping.IOPath);
var listing = await entry.Profile.ListAsync(entry, ct).ConfigureAwait(false);
foreach (var subEntry in listing)
{
await WriteToCacheAsync(ioHelper, subEntry, ct, force).ConfigureAwait(false);
}
}
else
{
using (var srcStream = await ioHelper.OpenStreamAsync(entry.FullPath,
FileExplorer.Defines.FileAccess.Read, ct))
using (var outputStream = System.IO.File.OpenWrite(mapping.IOPath))
await StreamUtils.CopyStreamAsync(srcStream, outputStream).ConfigureAwait(false);
}
}
return(mapping.IOPath);
}
public async Task <Stream> ExtractSongAsync(TrackInfo trackInfo, Stream stream)
{
// Read song from BGM
var pi = GetPlayInfo(trackInfo);
var ms = await StreamUtils.CopyStreamAsync(stream, pi.Start, pi.Length);
return(ms);
}
public override async Task <IScriptCommand> ExecuteAsync(ParameterDic pm)
{
var srcProfile = _srcModel.Profile as IDiskProfile;
var destProfile = _destDirModel.Profile as IDiskProfile;
string destName = _srcModel.GetName();
string srcFullName = _srcModel.FullPath;
string destFullName = _destDirModel.Combine(destName);
ChangeType ct = ChangeType.Created;
if (destFullName.StartsWith("::"))
{
return(ResultCommand.Error(new ArgumentException("Transfer does not work with shell folders.")));
}
if (File.Exists(destFullName))
{
File.Delete(destFullName);
ct = ChangeType.Changed;
}
using (var srcStream = await srcProfile.DiskIO.OpenStreamAsync(_srcModel.FullPath,
FileExplorer.Defines.FileAccess.Read, pm.CancellationToken))
using (var destStream = await destProfile.DiskIO.OpenStreamAsync(destFullName,
FileExplorer.Defines.FileAccess.Write, pm.CancellationToken))
{
_progress.Report(TransferProgress.From(srcFullName, destFullName));
await StreamUtils.CopyStreamAsync(srcStream, destStream, false, false, false,
p => _progress.Report(new TransferProgress()
{
CurrentProgressPercent = p
})).ConfigureAwait(false);
}
if (_removeOriginal)
{
await srcProfile.DiskIO.DeleteAsync(_srcModel, pm.CancellationToken).ConfigureAwait(false);
}
_progress.Report(TransferProgress.IncrementProcessedEntries());
return(new NotifyChangedCommand(_destDirModel.Profile, destFullName,
_srcModel.Profile, srcFullName, ct));
}