CleanCode-GildedRoseKata/Inventory.java

public class Inventory {
    private Item[] items;

    public Inventory(Item[] items) {
        super();
        this.items = items;
    }

    public void updateQuality() {

        for (int i = 0; i < items.length; i++) {
            if (!items[i].getName().equals("Aged Brie") && !items[i].getName().equals("Sulfuras, Hand of Ragnaros")){
                if (items[i].getQuality() > 0) {
                    items[i].setQuality(items[i].getQuality() - 1);
                    items[i].setSellIn(items[i].getSellIn() - 1);
                }
            } else if (items[i].getQuality() < 50) {
                items[i].setQuality(items[i].getQuality() + 1);
            }

            //if the item name is not Sulfuras and HandOfRagnaros 
            // the sell in value descrease by 1

            //if (!items[i].getName().equals("Sulfuras, Hand of Ragnaros")) {
              //  items[i].setSellIn(items[i].getSellIn() - 1);
            //}

            // if the sell in day of the item is
            // less than 0
            // && the name is not Brie
            //then the quality of the item 
            // decrease by one
            // else
            if (items[i].getSellIn() < 0) {
                if (!items[i].getName().equals("Aged Brie")) {
                    items[i].setQuality(items[i].getQuality() - 1);

                } else if (items[i].getQuality() < 50) {
                    items[i].setQuality(items[i].getQuality() + 1);

                }
            }
        }
    }
}