public CommandReturnCode Process(string[] args)
{
responseBuffer.Length = 0;
if (args.Length == 2)
{
Debug.Assert(args[0].Equals("get-item", StringComparison.OrdinalIgnoreCase));
int id;
var isIdValid = int.TryParse(args[1], out id);
if (isIdValid)
{
isIdValid = productCatalog.IsExist(id);
if (isIdValid)
{
Product product = productCatalog.GetItem(id);
responseBuffer.Append($"Product Id = {product.Id}\nName={product.Name}\nPrice={product.Price}\nCount={product.Count}\nUnit={product.Unit}");
responseBuffer.Append(Environment.NewLine);
}
}
if (!isIdValid)
{
responseBuffer.Append(string.Format("Product with Id = \"{0}\" does not exist", args[1]));
responseBuffer.Append(Environment.NewLine);
}
}
else
{
responseBuffer.Append(usage);
}
return(CommandReturnCode.Done);
}
