public void SaveFile(SaveFileParameter param)
{
Guid checksum;
string path;
if (!TryGetPath(param, out checksum, out path))
{
return;
}
File.WriteAllBytes(path, param.FileData);
var repository = new InfrastructureRepository();
repository.SaveFile(checksum.ToString(), param.FileName, path);
}
private static bool TryGetPath(SaveFileParameter param, out Guid checksum, out string path)
{
checksum = CryptoManaged.MD5Hash(new MemoryStream(param.FileData));
path = string.Format(@"{0}{1}\{2}{3}", InfrastructureRepository.RootPath, param.AppID.ToString("N"), checksum, Path.GetExtension(param.FileName));
var file = new FileInfo(path);
FileStream x = null;
try
{
return(!(file.Exists && CryptoManaged.MD5Hash(x = file.OpenRead()) == checksum));
}
finally
{
if (x != null)
{
x.Close();
}
}
}
