88 lines
2.1 KiB
Kotlin
88 lines
2.1 KiB
Kotlin
package com.cubetiqs.money
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/**
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* Default standard money style
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* We have only value and currency of money
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*
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* @author sombochea
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* @since 1.0
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*/
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interface StdMoney : MoneyMixin {
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/**
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* Get money's value from current state.
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*
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* @return Double
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*/
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fun getValue(): Double
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/**
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* Get money's currency from current state.
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*
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* @return String
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*/
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fun getCurrency(): Currency
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/**
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* Allow for money currency called and implemented
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*/
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interface Currency {
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fun getCurrency(): String
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fun isEquals(other: Currency): Boolean {
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return this.getCurrency().equals(other.getCurrency(), ignoreCase = true)
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}
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}
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interface ExchangeOperator {
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fun StdMoney.getExchangedTo(currency: Currency): Double
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}
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interface Operator<T : StdMoney> {
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fun plus(other: StdMoney): T
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fun minus(other: StdMoney): T
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fun divide(other: StdMoney): T
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fun inc(): T
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fun dec(): T
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fun multiply(other: StdMoney): T
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// assign operators
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fun plusAssign(other: StdMoney): T
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fun minusAssign(other: StdMoney): T
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fun divideAssign(other: StdMoney): T
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fun multiplyAssign(other: StdMoney): T
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// none-of-return
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fun nor() {}
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}
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companion object {
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fun initCurrency(currency: String?): Currency {
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return object : Currency {
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override fun getCurrency(): String {
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return currency?.uppercase()?.trim() ?: "USD"
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}
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}
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}
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val USD
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get() = initCurrency("USD")
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val KHR
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get() = initCurrency("KHR")
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fun initMoney(initValue: Double, currency: Currency = USD): StdMoney {
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return object : StdMoney {
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override fun getCurrency(): Currency {
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return currency
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}
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override fun getValue(): Double {
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return initValue
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}
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}
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}
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val ZERO
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get() = initMoney(0.0, USD)
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}
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} |