static void Parse()
{
try
{
Console.WriteLine("GS1 GTIN parser");
Console.WriteLine("===============\n");
Console.WriteLine("Enter GTIN (8 or 13 chars):");
string code = Console.ReadLine();
Gtin.Gtin gtin;
if (code.Length == 8)
{
gtin = new Gtin8(code);
}
else if (code.Length == 13)
{
gtin = new Gtin13(code);
}
else
{
throw new ArgumentException("GTIN must be 8 or 13 characters");
}
if (!gtin.IsValid())
{
throw new ArgumentException("GTIN checksum not valid");
}
AbstractEntity entity = EntityFactory.Get("Sweden", gtin);
if (entity is Product)
{
Product product = (Product)entity;
Console.WriteLine("Company Prefix: " + product.CompanyPrefix);
Console.WriteLine("SKU: " + product.Sku);
}
else if (entity is WeightProduct)
{
WeightProduct product = (WeightProduct)entity;
Console.WriteLine("SKU: " + product.Sku);
Console.WriteLine("Weight: " + product.Weight);
}
else if (entity is PriceProduct)
{
PriceProduct product = (PriceProduct)entity;
Console.WriteLine("SKU: " + product.Sku);
Console.WriteLine("Price: " + product.Price);
}
else if (entity is Coupon)
{
Coupon coupon = (Coupon)entity;
Console.WriteLine("ID (Coupon): " + coupon.Id);
Console.WriteLine("Discount: " + coupon.Value);
}
else if (entity is Publication)
{
Publication publication = (Publication)entity;
Console.WriteLine("SKU (Publication): " + publication.Sku);
Console.WriteLine("Price: " + publication.Price);
}
Console.ReadLine();
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
catch (FormatException)
{
Console.WriteLine("Fel in-värde");
}
}
public Gtin.Gtin Generate(AbstractEntity entity)
{
Gtin.Gtin gtin = null;
IFormatProvider numberFormat = CultureInfo.InvariantCulture;
if (entity is Product)
{
Product product = (Product)entity;
try
{
gtin = new Gtin8();
gtin.SetPart(6, product.CompanyPrefix);
gtin.SetPart(1, product.Sku);
}
catch (ArgumentException)
{
gtin = new Gtin13();
gtin.SetPart(9, product.CompanyPrefix);
gtin.SetPart(3, product.Sku);
}
}
else if (entity is WeightProduct)
{
gtin = new Gtin13();
WeightProduct product = (WeightProduct)entity;
decimal weight = (decimal)product.Weight;
int decimals = GetDecimalsCount(weight);
int modulator;
string weight_str = SubstringMax(weight.ToString(numberFormat).Replace(".", ""), 0, 4);
if (decimals == 0)
{
decimals = 3;
weight_str += "000";
}
else
{
decimals = Math.Max(1, Math.Min(3, decimals));
}
modulator = weight_modulators[decimals];
gtin.SetPart(2, "2" + modulator);
gtin.SetPart(6, product.Sku);
gtin.SetPart(4, weight_str);
}
else if (entity is PriceProduct)
{
gtin = new Gtin13();
PriceProduct product = (PriceProduct)entity;
decimal price = (decimal)product.Price;
int decimals = GetDecimalsCount(price);
int modulator;
string price_str = SubstringMax(price.ToString(numberFormat).Replace(".", ""), 0, 4);
decimals = Math.Max(0, Math.Min(2, decimals));
modulator = price_modulators[decimals];
gtin.SetPart(2, "2" + modulator);
gtin.SetPart(6, product.Sku);
gtin.SetPart(4, price_str);
}
else if (entity is Publication)
{
gtin = new Gtin13();
Publication product = (Publication)entity;
decimal price = (decimal)product.Price;
int decimals = GetDecimalsCount(price);
string price_str = price.ToString(numberFormat).Replace(".", "");
if (decimals == 0)
{
price_str = SubstringMax(price_str, 0, 3) + "0";
}
else
{
price_str = SubstringMax(price_str, 0, 4);
}
gtin.SetPart(4, "7388");
gtin.SetPart(4, product.Sku);
gtin.SetPart(4, price_str);
}
else if (entity is Coupon)
{
gtin = new Gtin13();
Coupon coupon = (Coupon)entity;
decimal value = (decimal)coupon.Value;
int decimals = GetDecimalsCount(value);
string value_str = value.ToString(numberFormat).Replace(".", "");
if (decimals == 0)
{
value_str = SubstringMax(value_str, 0, 3) + "0";
}
else
{
value_str = SubstringMax(value_str, 0, 4);
}
gtin.SetPart(2, "99");
gtin.SetPart(6, coupon.Id);
gtin.SetPart(4, value_str);
}
return(gtin);
}
