🔨 convert NormalItem from anemic to rich

src/main/java/com/gildedrose/item_helpers/ItemHandler.java

@@ -1,35 +0,0 @@
-package com.gildedrose.item_helpers;
-
-import com.gildedrose.main.Item;
-
-import static java.lang.Math.max;
-
-public class ItemHandler {
-
-  private final Item item;
-
-  public ItemHandler(Item item) {
-    this.item = item;
-  }
-
-  public void decrementSellInDate() {
-    item.sellIn--;
-  }
-
-  public boolean beforeSellInDate() {
-    return item.sellIn >= 0;
-  }
-
-  public void decrementQuality() {
-    item.quality = max(item.quality - 1, 0);
-  }
-
-  public void decrementQualityBy2() {
-    item.quality = max(item.quality - 2, 0);
-  }
-
-  public void decrementQualityBy4() {
-    item.quality = max(item.quality - 4, 0);
-  }
-
-}

src/main/java/com/gildedrose/items/LegendaryItem.java

@@ -27,7 +27,7 @@ public class LegendaryItem implements ItemType {
   public void decrementSellInDate() {
     item.sellIn--;
   }
-  
+
   public static boolean isLegendary(Item item) {
     return item.name.equals(LEGENDARY);
   }

src/main/java/com/gildedrose/items/NormalItem.java

@@ -1,28 +1,45 @@
 package com.gildedrose.items;
 
-import com.gildedrose.item_helpers.ItemHandler;
 import com.gildedrose.item_helpers.ItemType;
 import com.gildedrose.main.Item;
 
+import static java.lang.Math.max;
+
 public class NormalItem implements ItemType {
 
   public static final String NORMAL = "Normal";
-  private final ItemHandler item;
+  private final Item item;
 
   public NormalItem(Item item) {
-    this.item = new ItemHandler(item);
+    this.item = item;
   }
 
   @Override
   public void updateQuality() {
-    item.decrementSellInDate();
-    if (item.beforeSellInDate()) {
-      item.decrementQuality();
+    decrementSellInDate();
+    if (beforeSellInDate()) {
+      decrementQuality();
     } else {
-      item.decrementQualityBy2();
+      decrementQualityBy2();
     }
   }
 
+  public void decrementSellInDate() {
+    item.sellIn--;
+  }
+
+  public boolean beforeSellInDate() {
+    return item.sellIn >= 0;
+  }
+
+  public void decrementQuality() {
+    item.quality = max(item.quality - 1, 0);
+  }
+
+  public void decrementQualityBy2() {
+    item.quality = max(item.quality - 2, 0);
+  }
+
   @Override
   public String getName() {
     return NORMAL;