Revert accidental code change.

expensereport-kotlin/src/main/kotlin/com/nelkinda/training/ExpenseReport.kt

@@ -1,12 +1,6 @@
 package com.nelkinda.training
 
-import com.nelkinda.training.ExpenseType.*
-import java.time.Clock
-import java.time.LocalDateTime
-import java.time.ZonedDateTime
-import java.time.format.DateTimeFormatter
-import java.time.format.FormatStyle
-import java.util.*
+import java.util.Date
 
 enum class ExpenseType {
     DINNER, BREAKFAST, CAR_RENTAL
@@ -15,41 +9,35 @@ enum class ExpenseType {
 class Expense {
     lateinit var type: ExpenseType
     var amount: Int = 0
-
-    fun isMeal() =
-        type == DINNER || type == BREAKFAST
-
-    val name
-        get() = when (type) {
-            DINNER -> "Dinner"
-            BREAKFAST -> "Breakfast"
-            CAR_RENTAL -> "Car Rental"
-        }
-
-    fun isOverLimit() =
-        type == DINNER && amount > 5000 || type == BREAKFAST && amount > 1000
 }
 
-class ExpenseReport(
-    private val clock: Clock = Clock.systemDefaultZone()
-) {
+class ExpenseReport {
     fun printReport(expenses: List<Expense>) {
-        printReport(expenses, Date.from(clock.instant()).toString())
-    }
+        var total = 0
+        var mealExpenses = 0
 
-    fun printReport(expenses: List<Expense>, date: String) {
-        println("Expenses $date")
+        println("Expenses ${Date()}")
 
         for (expense in expenses) {
-            val expenseName = expense.name
-            val mealOverExpensesMarker = if (expense.isOverLimit()) "X" else " "
+            if (expense.type == ExpenseType.DINNER || expense.type == ExpenseType.BREAKFAST) {
+                mealExpenses += expense.amount
+            }
+
+            var expenseName = ""
+            when (expense.type) {
+                ExpenseType.DINNER -> expenseName = "Dinner"
+                ExpenseType.BREAKFAST -> expenseName = "Breakfast"
+                ExpenseType.CAR_RENTAL -> expenseName = "Car Rental"
+            }
+
+            val mealOverExpensesMarker = if (expense.type == ExpenseType.DINNER && expense.amount > 5000 || expense.type == ExpenseType.BREAKFAST && expense.amount > 1000) "X" else " "
+
             println(expenseName + "\t" + expense.amount + "\t" + mealOverExpensesMarker)
+
+            total += expense.amount
         }
 
-        println("Meal expenses: ${expenses.sumMeals()}")
-        println("Total expenses: ${expenses.sumTotal()}")
+        println("Meal expenses: $mealExpenses")
+        println("Total expenses: $total")
     }
-
-    private fun List<Expense>.sumTotal(): Int = sumOf { it.amount }
-    private fun List<Expense>.sumMeals(): Int = filter { it.isMeal() }.sumOf { it.amount }
 }