public void SetMeasurementsForProduct(Product product, float height, float width, float depth)
{
//C# 5.0
if (product != null && product.Measurement != null)
{
product.Measurement.SetMeasurements(height,width,depth);
}
//C# 6.0
product?.Measurement?.SetMeasurements(height,width,depth);
}
public string GetBuyerOfProduct(Product product)
{
string result = null;
//C# 5.0
result = string.Format("{0} {1} bought {2}", _firstname, _name, product.Name);
//C# 6.0
result = $"{_firstname} {_name} bought {product?.Name}";
return result;
}
public string GetStockOfProduct(Product product)
{
string result = null;
//C# 5.0
result = string.Format("There are {0} {1}{2} left", product.Stock, product.Name,
product.Stock > 1 ? "s" : "");
//C# 6.0
result = $"There are {product?.Stock} {product?.Name}{(product?.Stock > 1 ? "s" : "")}";
return result;
}
public string GetMeasurementsOfProduct(Product product)
{
string result = null;
//C# 5.0
result = string.Format("{0} measurements: height: {1:D2}, width: {2:D2}, depth: {3:D2}", product.Name, product.Measurement.Heigth, product.Measurement.Width, product.Measurement.Depth);
//C# 6.0
result =
$"{product?.Name} measurements: height: {product?.Measurement?.Heigth:D2}, width: {product?.Measurement.Width:D2}, depth: {product?.Measurement.Depth:D2}";
return result;
}
public string GetProductName(Product product)
{
string name = null;
//C# 5.0
if (product != null)
{
name = product.Name;
}
//C# 6.0
name = product?.Name;
return name;
}
public void SetCategoryForProduct(Product prodcut, Category? category)
{
if(category == null) throw new ArgumentNullException($"Arguemnt {nameof(category)} is null");
}