private static string GetCartWeightValue(IStandardShippingCalculation calculation)
{
return calculation.UpperBound.HasValue
? string.Format("{0}kg to {1}kg", calculation.LowerBound.ToString("0.00"),
calculation.UpperBound.Value.ToString("#.##"))
: string.Format("{0}kg or greater", calculation.LowerBound.ToString("0.00"));
}
private static string GetCartWeightValue(IStandardShippingCalculation calculation)
{
return(calculation.UpperBound.HasValue
? string.Format("{0}kg to {1}kg", calculation.LowerBound.ToString("0.00"),
calculation.UpperBound.Value.ToString("#.##"))
: string.Format("{0}kg or greater", calculation.LowerBound.ToString("0.00")));
}
private static string GetCartTotalValue(IStandardShippingCalculation calculation)
{
return calculation.UpperBound.HasValue
? string.Format("{0} to {1}", calculation.LowerBound.ToString("0.00"),
calculation.UpperBound.Value.ToString("0.00"))
: string.Format("{0} or greater", calculation.LowerBound.ToString("0.00"));
}
public static bool CanBeUsed(this IStandardShippingCalculation calculation, CartModel cart)
{
switch (calculation.ShippingCriteria)
{
case ShippingCriteria.ByWeight:
return(IsValid(calculation, cart.Weight));
case ShippingCriteria.ByCartTotal:
return(IsValid(calculation, cart.ShippableCalculationTotal()));
default:
throw new ArgumentOutOfRangeException();
}
}
public static string GetDescription(this IStandardShippingCalculation calculation)
{
switch (calculation.ShippingCriteria)
{
case ShippingCriteria.ByWeight:
return(string.Format("Cart weight: {0}", GetCartWeightValue(calculation)));
case ShippingCriteria.ByCartTotal:
return(string.Format("Cart total: {0}", GetCartTotalValue(calculation)));
default:
throw new ArgumentOutOfRangeException();
}
}
public static decimal Tax(this IStandardShippingCalculation calculation, decimal taxRate)
{
return(calculation.BaseAmount.ShippingTax(taxRate));
}
private static bool IsValid(IStandardShippingCalculation calculation, decimal value)
{
return(value >= calculation.LowerBound &&
(!calculation.UpperBound.HasValue || value <= calculation.UpperBound));
}
private static bool IsValid(IStandardShippingCalculation calculation, decimal value)
{
return value >= calculation.LowerBound &&
(!calculation.UpperBound.HasValue || value <= calculation.UpperBound);
}