tp3 step 4 solution

Author: Lysoun

tp3/src/main/kotlin/fmt/kotlin/fundamentals/Main.kt

@@ -1,5 +1,8 @@
 package fmt.kotlin.fundamentals
 
+import fmt.kotlin.fundamentals.cellar.Cellar
+import fmt.kotlin.fundamentals.cellar.WineBarrel
+
 fun main() {
     val tooBigBarrel = WineBarrel(600)
 

tp3/src/main/kotlin/fmt/kotlin/fundamentals/Cellar.kt renamed to tp3/src/main/kotlin/fmt/kotlin/fundamentals/cellar/Cellar.kt

@@ -1,4 +1,4 @@
-package fmt.kotlin.fundamentals
+package fmt.kotlin.fundamentals.cellar
 
 class Cellar private constructor(
     ownerName: String,
@@ -41,7 +41,7 @@ class Cellar private constructor(
             
         """.trimIndent()
 
-        for(wineBarrel in wineBarrels) {
+        for (wineBarrel in wineBarrels) {
             description += wineBarrel.description() + "\n"
         }
 

tp3/src/main/kotlin/fmt/kotlin/fundamentals/WineBarrel.kt renamed to tp3/src/main/kotlin/fmt/kotlin/fundamentals/cellar/WineBarrel.kt

@@ -1,10 +1,10 @@
-package fmt.kotlin.fundamentals
+package fmt.kotlin.fundamentals.cellar
 
 class WineBarrel private constructor(
     val capacityInLiters: Int = 225,
     private var wineAgeInMonths: Int
 ) {
-    fun age(monthsNumber: Int) {
+    private fun age(monthsNumber: Int) {
         wineAgeInMonths += monthsNumber
     }
 
@@ -21,7 +21,7 @@ class WineBarrel private constructor(
         }
     }
 
-    fun description(): String {
+    internal fun description(): String {
         return """
             Capacité en litres: $capacityInLiters
             Âge du vin : $wineAgeInMonths