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Task: add computeFromBaseRate function in money-modules

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chhoeung-mengsreang 2021-11-30 17:01:43 +07:00
parent c4e7f514cb
commit aaf3c6aea8
1 changed files with 19 additions and 0 deletions
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src/main/kotlin/com/cubetiqs/money/MoneyExchangeUtils.kt
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@ -14,4 +14,23 @@ object MoneyExchangeUtils {
fun getBaseCurrency(): StdMoney.Currency { fun getBaseCurrency(): StdMoney.Currency {
return StdMoney.USD return StdMoney.USD
} }
/**
* Compute the Base Exchange Price / Converter to any Rates.
* Multiple differentiate exchange relation computation.
* Example: A -> B -> C meant You can with all variables, but must find the based MEANT of its.
*
* Sample Explanation: Matrix Multiply
* 1 USD -> 0.90 EUR
* 1 USD -> 4000 KHR
* If I want to exchange from EUR to KHR, I need.
* 1 EUR -> 1 * (1 / 0.90) / (1 / 4000)
*
* @author sombochea
* @since 1.0
*/
fun computeFromBaseRate(amountFrom: Double = 1.0, baseRate: Double = 1.0, rateFrom: Double, rateTo: Double): Double {
// amount * ((baseRate / rateFrom) / (baseRate / rateTo))
return amountFrom.times((baseRate.div(rateFrom)).div(baseRate.div(rateTo)))
}
} }