Add more functinos for money extension and fixed the curreny and object currency and default std money value and more

src/main/kotlin/com/cubetiqs/money/MoneyExtension.kt

@@ -1,9 +1,99 @@
 package com.cubetiqs.money
 
-fun StdMoney.exchangeTo(currency: StdMoney.Currency): StdMoney {
+infix fun StdMoney.exchangeTo(currency: StdMoney.Currency): StdMoney {
     return MoneyExchangeUtils.exchange(this, currency)
 }
 
+infix fun StdMoney.exchangeTo(currency: String): StdMoney = this exchangeTo object : StdMoney.Currency {
+    override fun getCurrency(): String {
+        return currency.toUpperCase().trim()
+    }
+}
+
+infix fun StdMoney.plusWith(other: StdMoney): StdMoney = this + other
+infix fun StdMoney.minusWith(other: StdMoney): StdMoney = this - other
+infix fun StdMoney.divideWith(other: StdMoney): StdMoney = this / other
+infix fun StdMoney.multiplyWith(other: StdMoney): StdMoney = this * other
+
+infix fun StdMoney.plusOf(value: Number): StdMoney = object : StdMoney {
+    override fun getMoneyCurrency(): StdMoney.Currency {
+        return this@plusOf.getMoneyCurrency()
+    }
+
+    override fun getMoneyValue(): Double {
+        return this@plusOf.getMoneyValue() + value.toDouble()
+    }
+}
+
+infix fun StdMoney.minusOf(value: Number): StdMoney = object : StdMoney {
+    override fun getMoneyCurrency(): StdMoney.Currency {
+        return this@minusOf.getMoneyCurrency()
+    }
+
+    override fun getMoneyValue(): Double {
+        return this@minusOf.getMoneyValue() - value.toDouble()
+    }
+}
+
+infix fun StdMoney.divideOf(value: Number): StdMoney = object : StdMoney {
+    override fun getMoneyCurrency(): StdMoney.Currency {
+        return this@divideOf.getMoneyCurrency()
+    }
+
+    override fun getMoneyValue(): Double {
+        return this@divideOf.getMoneyValue() / value.toDouble()
+    }
+}
+
+infix fun StdMoney.multiplyOf(value: Number): StdMoney = object : StdMoney {
+    override fun getMoneyCurrency(): StdMoney.Currency {
+        return this@multiplyOf.getMoneyCurrency()
+    }
+
+    override fun getMoneyValue(): Double {
+        return this@multiplyOf.getMoneyValue() * value.toDouble()
+    }
+}
+
+infix fun Number.withCurrency(currency: StdMoney.Currency): StdMoney = object : StdMoney {
+    override fun getMoneyCurrency(): StdMoney.Currency {
+        return currency
+    }
+
+    override fun getMoneyValue(): Double {
+        return this@withCurrency.toDouble()
+    }
+}
+
+infix fun Number.withCurrency(currency: String): StdMoney = this withCurrency object : StdMoney.Currency {
+    override fun getCurrency(): String {
+        return currency.toUpperCase().trim()
+    }
+}
+
+// toString function for StdMoney interface
+fun StdMoney.asString(): String = "StdMoney(value=${getMoneyValue()}, currency=${getMoneyCurrency().getCurrency()})"
+fun StdMoney.asMoneyString(): String = "${getMoneyValue()}:${getMoneyCurrency().getCurrency()}"
+fun String?.fromStringToMoney(): StdMoney {
+    val values = this?.split(":")
+    if (values.isNullOrEmpty()) {
+        return StdMoney.ZERO
+    }
+
+    val currency = StdMoney.initCurrency(values.firstOrNull())
+    val value = values.lastOrNull()?.toDouble() ?: 0.0
+
+    return object : StdMoney {
+        override fun getMoneyCurrency(): StdMoney.Currency {
+            return currency
+        }
+
+        override fun getMoneyValue(): Double {
+            return value
+        }
+    }
+}
+
 fun StdMoney.isMatchedCurrency(currency: StdMoney.Currency) =
     this.getMoneyCurrency().getCurrency().equals(currency.getCurrency(), ignoreCase = true)