/// <summary>
/// Get the specific response directory from the <see cref="Response"/> message.
/// </summary>
private async Task <string> GetResponseDirectory(string aId)
{
string result = string.Empty;
string responseFileName = FileNames.ResponseFilePath(aId);
for (int i = 0; i < 10; i++)
{
var response = JsonHelper.FromFile <Response>(responseFileName);
if (response != null && response.Id == aId)
{
result = response.Directory;
FileHelper.DeleteWithLock(responseFileName);
break;
}
await Task.Delay(1000);
}
return(result);
}