package gw.lang.enhancements

uses gw.api.util.MultiCurrencySummation
uses gw.pl.currency.MonetaryAmount

uses java.util.Date

/**
 * Adds multi-currency summation enhancements.
 */
@ReadOnly
enhancement PCIterableOfMonetaryAmountEnhancement : java.lang.Iterable<MonetaryAmount> {

  function sumDifferentCurriences(currency : Currency) : MonetaryAmount {
    // sum up like currencies    
    var summation = new MultiCurrencySummation()
    this.each(\ c -> {summation.add(c)})

    // sum up like currency summations converted to currency...
    return summation.sum(currency)
  }

  function sumDifferentCurrencies(currency : Currency, market : FXRateMarket, rateDate : Date = null) : MonetaryAmount {
    // sum up like currencies    
    var summation = new MultiCurrencySummation()
    this.each(\ c -> {summation.add(c)})

    // sum up like currency summations converted to currency...
    return summation.sum(currency, market, rateDate)
  }
  
}