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++) {
            //handles Sulfuras
            if(items[i].getName().equals("Sulfuras, Hand of Ragnaros")){
                continue;}

            if(items[i].getName().equals("Aged Brie")){
                agedBrieUpdate(i);
            } else if (items[i].getName().equals("Conjured Mage Water")){
              conjuredItemUpdate(i);
            }else{regularItemUpdate(i);}

        if (items[i].getQuality() < 80) {
            items[i].setSellIn(items[i].getSellIn() - 1);
        }

    }

}

public void agedBrieUpdate(int i){
if(items[i].getSellIn() > 0 && items[i].getQuality() <= 49){
items[i].setQuality(items[i].getQuality() + 1);
} else if(items[i].getSellIn() < 0 && items[i].getQuality() <= 48){
items[i].setQuality(items[i].getQuality() + 2);
} 
}

public void regularItemUpdate(int i){
if(items[i].getSellIn() > 0 && items[i].getQuality() > 0){
items[i].setQuality(items[i].getQuality() - 1);
} else if(items[i].getSellIn() < 0 && items[i].getQuality() > 1){
items[i].setQuality(items[i].getQuality() - 2);
} 
}

public void conjuredItemUpdate(int i){
if(items[i].getSellIn() > 0 && items[i].getQuality() > 0){
items[i].setQuality(items[i].getQuality() - 2);
} else if(items[i].getSellIn() < 0 && items[i].getQuality() > 1){
items[i].setQuality(items[i].getQuality() - 4);
} 
}
}