/// <summary>
/// 金額轉國字
/// </summary>
/// <param name="amount"></param>
/// <param name="amountUnit"></param>
/// <returns></returns>
public static string AmountToString(long amount, AmountUnit amountUnit)
{
int length = amount.ToString().Length - 1;
if (amount < 0)
{
throw new ArgumentOutOfRangeException("amount", "數值必須為正整數");
}
else if (length > 13)
{
throw new ArgumentOutOfRangeException("amount", "數值不可超過13位數");
}
if (amountUnit == 0 || length > (int)amountUnit)
{
amountUnit = (AmountUnit)length;
}
string[] numberTexts = { "零", "壹", "貳", "參", "肆", "伍", "陸", "柒", "捌", "玖" };
string[] typeMappings = { "", "拾", "佰", "仟", "萬", "拾", "佰", "仟", "億", "拾", "佰", "仟", "兆" };
long pow10, tempNum;
List <string> result = new List <string>();
for (int i = (int)amountUnit; i >= 0; i--)
{
pow10 = Convert.ToInt64(Math.Pow(10, i));
tempNum = amount / pow10;
amount -= tempNum * pow10;
result.Add(numberTexts[tempNum]);
if (typeMappings[i] != "")
{
result.Add(typeMappings[i]);
}
}
return(string.Join(" ", result));
}
public void Apply(Order order)
{
var amountUnit = AmountUnit.ToDomainModel <AmountUnit>();
order.AddItem(
ProductUnit.Of(
Products.ProductId.From(ProductId),
amountUnit),
Products.Amount.Of(
Amount,
amountUnit));
}
public void CalculateProductPrice_ProductWithValidProps_ReturnsProductWithCalculatedPrice()
{
var calc = new PriceCalculator();
var kgAmount = new AmountUnit()
{
Id = 2, Name = "kg"
};
var prodInParam = new Product()
{
Id = 2,
Name = "Sugar",
CategoryId = 1,
MarketId = 1,
OriginId = 1,
PricePerUnit = 7.30,
Amount = 2,
AmountUnit = kgAmount,
AmountUnitId = 2,
};
var expectedProduct = new Product()
{
Id = 2,
Name = "Sugar",
CategoryId = 1,
MarketId = 1,
OriginId = 1,
PricePerUnit = 7.30,
Amount = 2,
AmountUnit = kgAmount,
AmountUnitId = 2,
Price = 14.60, // calculated price
};
var result = calc.CalculatePrice(prodInParam);
result.Price.Should().Be(expectedProduct.Price);
}
private Amount(float count, AmountUnit unit)
{
Unit = unit;
Count = count < 0 ? 0 : count;
}
public static IAmount Create(float count, AmountUnit unit)
{
return(new Amount(count, unit));
}
public static IAmount Zero(AmountUnit unit)
{
return(new Amount(0, unit));
}
public PurchaseAmount(double digit, AmountUnit amountUnit)
{
this._digit = digit;
this._amountUnit = amountUnit;
}
public static ProductAmount Of(ProductId productId, int value, AmountUnit unit) => new ProductAmount(productId, Amount.Of(value, unit));
private Amount(int value, AmountUnit unit)
{
Value = value;
Unit = unit;
}
public static Amount Of(int value, AmountUnit unit) => new Amount(value, unit);
private ProductUnit(ProductId productId, AmountUnit unit)
{
ProductId = productId;
Unit = unit;
}
public static ProductUnit Of(ProductId productId, AmountUnit unit) => new ProductUnit(productId, unit);
