public async Task RestoreFile(Guid file, string destination)
{
var _file = await dataBase.GetFile(file);
var fileBlocks = await dataBase.GetFileBlocks(file);
var targetName = Path.Combine(destination, Path.GetFileName(_file.Name));
using (var fileToWrite = File.Open(targetName, FileMode.Create, FileAccess.Write, FileShare.None))
{
fileToWrite.SetLength(_file.Length);
foreach (var fileBlock in fileBlocks)
{
fileToWrite.Position = fileBlock.Offset;
byte[] block = await cassandraDB.ReadBlock(fileBlock.Block);
await fileToWrite.WriteAsync(block, 0, block.Length);
}
}
File.SetLastWriteTimeUtc(targetName, _file.LastWriteTime);
}