Add money object with generator and builder for operators the values from builder with batch and remove unused files and functions was updated for some operators

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

@@ -65,7 +65,7 @@ object MoneyConfig {
                     MoneyConfig.config.put(currency, value)
                 }
             } else {
-                throw MoneyCurrencyStateException("money config format is not valid!")
+                throw MoneyCurrencyStateException("money config format $temp is not valid!")
             }
         }
     }
@@ -107,8 +107,8 @@ object MoneyConfig {
 
     @Throws(MoneyCurrencyStateException::class)
     fun getRate(currency: StdMoney.Currency): Double {
-        return getConfig()[currency.getCurrency().toUpperCase()]
+        return getConfig()[currency.getCurrency().toUpperCase().trim()]
-            ?: throw MoneyCurrencyStateException("money currency $currency is not valid!")
+            ?: throw MoneyCurrencyStateException("money currency ${currency.getCurrency()} is not valid!")
     }
 
     class MoneyConfigProperties(

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

@@ -1,15 +0,0 @@
-package com.cubetiqs.money
-
-import java.io.Serializable
-
-/**
- * @author sombochea <Sambo Chea>
- * @email sombochea@cubetiqs.com>
- * @date 08/02/21
- * @since 1.0
- */
-data class MoneyHistory(
-    val valueOn: String? = null,
-    val valueOf: String? = null,
-    val currency: String? = null
-) : Serializable

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

@@ -1,47 +1,143 @@
 package com.cubetiqs.money
 
-import java.io.Serializable
+import java.util.*
-
-sealed class MoneyObject : Serializable, StdMoney {
-    private var value: Double = 0.0
-    private var currency: StdMoney.Currency = MoneyCurrency.USD
-    private val moneyStates: MutableMap<MoneyCurrency, MoneyState> = mutableMapOf()
-
-    constructor(value: Double, currency: MoneyCurrency) {
-        this.value = value
-        this.currency = currency
-        isComputed = false
-    }
 
 /**
-     * Check if computed, set it to true. Because we no need to add the same value again after once
+ * Money Object Generator (Quick building the money)
-     * computed.
+ *
+ * @since 1.0
+ * @author sombochea
  */
-    @Transient
+class MoneyObject(
-    var isComputed = false
+    val value: Double,
-        private set
+    val currency: String,
-
+    var operator: MoneyOperator? = null,
-    @Transient
+    var with: MoneyObject? = null,
-    var isInit = false
+) : StdMoney {
-        private set
+    fun appendWith(with: MoneyObject?) {
-
+        if (this.with == null) {
-    /** Calculate the value. Must be call after complete add money. */
+            this.with = with
-    fun compute(): MoneyObject = apply {
+        } else {
-
+            this.with!!.appendWith(with)
+        }
     }
 
-    companion object {
+    override fun getMoneyCurrency(): StdMoney.Currency {
-        @JvmStatic
+        return StdMoney.initCurrency(currency)
-        private fun defaultCurrency(): StdMoney.Currency {
-            return MoneyExchangeUtils.getBaseCurrency()
-        }
     }
 
     override fun getMoneyValue(): Double {
         return value
     }
 
-    override fun getMoneyCurrency(): StdMoney.Currency {
+    private fun generate(): StdMoney {
-        return currency
+        if (this.with != null) {
+            val withGenerated = this.with!!.generate()
+            return when (operator) {
+                MoneyOperator.PLUS -> this plusWith withGenerated
+                MoneyOperator.MINUS -> this minusWith withGenerated
+                MoneyOperator.DIVIDE -> this divideWith withGenerated
+                MoneyOperator.MULTIPLY -> this multiplyWith withGenerated
+                // if operator is null or empty with default Plus operator
+                else -> this plusWith withGenerated
+            }
+        }
+
+        return StdMoney.initMoney(value, currency = StdMoney.initCurrency(currency))
+    }
+
+    fun compute(): StdMoney {
+        return generate()
+    }
+
+    override fun toString(): String {
+        return "MoneyObject(value=$value, currency='$currency', operator=$operator, with=$with)"
+    }
+
+    enum class MoneyOperator {
+        // (+)
+        PLUS,
+
+        // (-)
+        MINUS,
+
+        // (/)
+        DIVIDE,
+
+        // (*)
+        MULTIPLY;
+
+        companion object {
+            fun operator(value: Char?): MoneyOperator {
+                return try {
+                    when (value!!) {
+                        '+' -> PLUS
+                        '-' -> MINUS
+                        '/' -> DIVIDE
+                        '*' -> MULTIPLY
+                        else -> throw IllegalArgumentException("operator not found with value: $value!")
+                    }
+                } catch (ex: Exception) {
+                    throw IllegalArgumentException("operator not found!")
+                }
+            }
+        }
+    }
+
+    class MoneyGeneratorBuilder {
+        private var currency: String? = null
+        private val withs: MutableCollection<MoneyObject> = LinkedList()
+
+        fun withCurrency(currency: String) = apply {
+            this.currency = currency
+        }
+
+        fun with(`object`: MoneyObject) = apply {
+            this.withs.add(`object`)
+        }
+
+        fun with(value: Double, currency: String, operator: MoneyOperator = MoneyOperator.PLUS) = apply {
+            this.with(
+                MoneyObject(
+                    value, currency, operator
+                )
+            )
+        }
+
+        fun with(value: Double, currency: String, operator: Char) = apply {
+            this.with(
+                MoneyObject(
+                    value, currency, MoneyOperator.operator(operator)
+                )
+            )
+        }
+
+        fun build(): MoneyObject {
+            val first: MoneyObject
+            if (this.currency.isNullOrEmpty() && withs.isNotEmpty()) {
+                first = withs.first()
+                withs.remove(first)
+            } else {
+                first = MoneyObject(
+                    value = 0.0,
+                    operator = MoneyOperator.PLUS,
+                    currency = this.currency ?: MoneyCurrency.USD.getCurrency()
+                )
+            }
+
+            withs.forEach { with ->
+                first.appendWith(with)
+            }
+
+            return first
+        }
+
+        override fun toString(): String {
+            return "MoneyGeneratorBuilder(currency=$currency, withs=$withs)"
+        }
+    }
+
+    companion object {
+        fun builder() = MoneyGeneratorBuilder()
     }
 }

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

@@ -1,15 +0,0 @@
-package com.cubetiqs.money
-
-import java.io.Serializable
-
-/**
- * @author sombochea <Sambo Chea>
- * @email sombochea@cubetiqs.com
- * @date 08/02/21
- * @since 1.0
- */
-data class MoneyState(
-    var value: String? = null,
-    var currency: String? = null,
-    var history: MoneyHistory? = null
-) : Serializable

src/test/kotlin/MoneyTests.kt

@@ -3,18 +3,31 @@ import org.junit.Assert
 import org.junit.Test
 
 class MoneyTests {
-    @Test
+    private fun initMoneyConfig() {
-    fun exchange_2usd_to_khr_test() {
         applyMoneyConfig {
             setProperties(buildMoneyConfigProperties {
                 setDeliEqual(':')
                 setDeliSplit(',')
             })
-            // parse("USD:1,KHR:4000")
+
-            // appendRate("usd", 1.0)
-            // appendRate("khr", 4000.0)
             fromJson(MyBatchRates.getJsonRates())
         }
+    }
+
+    @Test
+    fun exchange_2usd_to_khr_test() {
+        initMoneyConfig()
+
+//        applyMoneyConfig {
+//            setProperties(buildMoneyConfigProperties {
+//                setDeliEqual(':')
+//                setDeliSplit(',')
+//            })
+//            // parse("USD:1,KHR:4000")
+//            // appendRate("usd", 1.0)
+//            // appendRate("khr", 4000.0)
+//            fromJson(MyBatchRates.getJsonRates())
+//        }
 
         // Is valid for money config?
         Assert.assertTrue(MoneyConfig.isValid())
@@ -37,8 +50,56 @@ class MoneyTests {
     object MyBatchRates {
         fun getJsonRates(): String {
             return """
-                {"USD": 1.0,"KHR": 4000.0}
+                {"USD": 1.0,"KHR": 4000.0, "eur": 0.5}
             """.trimIndent()
         }
     }
+
+    @Test
+    fun moneyGenerator() {
+        initMoneyConfig()
+
+        val moneyGen = MoneyObject(
+            value = 1.0,
+            currency = "usd",
+            operator = MoneyObject.MoneyOperator.PLUS,
+            with = MoneyObject(
+                value = 8000.0,
+                currency = "khr",
+                operator = MoneyObject.MoneyOperator.MINUS,
+                with = MoneyObject(
+                    value = 1000.0,
+                    currency = "khr",
+                )
+            )
+        )
+
+        val result = moneyGen.compute()
+
+        Assert.assertEquals(2.75, result.getMoneyValue(), 0.0)
+    }
+
+    @Test
+    fun moneyGeneratorBuilder() {
+        initMoneyConfig()
+
+        val expected = 72000.0
+
+        val builder = MoneyObject.builder()
+            .with(10.0, "usd", '+')
+            .with(1.5, "eur", '+')
+            .with(8000.0, "khr")
+            .with(10000.0, "khr")
+            .with(2000.0, "khr")
+            .with(.5, "eur", '-')
+            .with(1.0, "usd")
+            .withCurrency("khr")
+            .build()
+
+        val result = builder.compute()
+
+        println(result)
+
+        Assert.assertEquals(expected, result.getMoneyValue(), 0.0)
+    }
 }