public async Task <IActionResult> Index([Bind(properties)] MoneyCalculatorView e, string submit)
{
currency = await repository.GetObject(e.CurrencyID);
scoreCurrency = await repository.GetObject(e.ScoreCurrency);
e = submit == "+" ? add(e) :
submit == "-" ? subtract(e) :
submit == "*" ? multiply(e) :
submit == "%" ? divide(e) :
submit == "Convert" ? convert(e) :
submit == "Round" ? round(e) :
submit == "=" ? result(e) :
new MoneyCalculatorView();
var view = new MoneyCalculatorView();
view.ScoreCurrency = e.ScoreCurrency;
view.Score = e.Score;
view.CurrencyID = e.CurrencyID;
view.Amount = e.Amount;
view.Operation = e.Operation;
view.RoundingStep = e.RoundingStep;
view.RoundingDigit = e.RoundingDigit;
view.RoundingDecimals = e.RoundingDecimals;
view.RoundingStrategy = e.RoundingStrategy;
return(RedirectToAction("Index", view));
}
private MoneyCalculatorView performConvert(MoneyCalculatorView v)
{
var x = new Money(scoreCurrency, v.Score);
var y = x.ConvertTo(currency);
v.Score = y.Amount;
v.ScoreCurrency = y.Currency.ID;
return(v);
}
public async Task <IActionResult> Index(MoneyCalculatorView e = null)
{
var currencies = await db.Currencies.ToListAsync();
var view = e ?? new MoneyCalculatorView();
view.LoadCurrencies(currencies);
return(View(view));
}
private MoneyCalculatorView performRound(MoneyCalculatorView v)
{
var x = new Money(scoreCurrency, v.Score);
var y = x.Round(new RoundingPolicy(v.RoundingStrategy, v.RoundingDecimals, v.RoundingDigit,
v.RoundingStep));
v.Score = y.Amount;
v.ScoreCurrency = y.Currency.ID;
return(v);
}
private MoneyCalculatorView result(MoneyCalculatorView v)
{
var r = v.Operation == MoneyOperation.Round? performRound(v)
: v.Operation == MoneyOperation.Convert? performConvert(v)
: perform(v, v.Operation);
r.Amount = 0;
r.CurrencyID = null;
r.Operation = MoneyOperation.Dummy;
return(r);
}
private MoneyCalculatorView perform(MoneyCalculatorView v, MoneyOperation op)
{
var x = new Money(scoreCurrency, v.Score);
var y = new Money(currency, v.Amount);
var result = op == MoneyOperation.Add? x.Add(y)
: op == MoneyOperation.Subtract? x.Subtract(y)
: op == MoneyOperation.Multiply? x.Multiply(y.Amount)
: op == MoneyOperation.Divide? x.Divide(y.Amount)
: x;
v.Score = result.Amount;
v.ScoreCurrency = result.Currency.ID;
v.Operation = op;
return(v);
}
private MoneyCalculatorView round(MoneyCalculatorView v)
{
v.Operation = MoneyOperation.Round;
return(v);
}
private MoneyCalculatorView add(MoneyCalculatorView v)
{
return(perform(v, MoneyOperation.Add));
}
private MoneyCalculatorView subtract(MoneyCalculatorView v)
{
return(perform(v, MoneyOperation.Subtract));
}
private MoneyCalculatorView multiply(MoneyCalculatorView v)
{
return(perform(v, MoneyOperation.Multiply));
}
private MoneyCalculatorView divide(MoneyCalculatorView v)
{
return(perform(v, MoneyOperation.Divide));
}
private MoneyCalculatorView convert(MoneyCalculatorView v)
{
v.Operation = MoneyOperation.Convert;
return(v);
}
