public byte[] GetAllQrCodeZip()
{
var tables = GetCafeTableList();
List <string> images = new List <string>();
foreach (var table in tables)
{
var tableImage = GetTableQRCode(table.Id);
string imageName = _zipManager.ByteArrayToFile(table.Name, tableImage);
images.Add(imageName);
}
return(_zipManager.AddFiles("qrImages", images));
}