refactor glided rose kata

ruby/gilded_rose.rb

@@ -7,12 +7,30 @@ class GildedRose
   def update_quality()
     @items.each do |item|
       if item.name != "Aged Brie" and item.name != "Backstage passes to a TAFKAL80ETC concert"
+        quality_greater_than_0(item)
+      else
+        quantity_less_than_50(item)
+      end
+      update_sell_in(item)
+    end
+  end
+
+  private
+
+  def quality_greater_than_0(item)
     if item.quality > 0
       if item.name != "Sulfuras, Hand of Ragnaros"
         item.quality = item.quality - 1
+        if item.name == "Conjured"
+          if item.quality > 0
+            item.quality = item.quality - 1
           end
         end
-      else
+      end
+    end
+  end
+
+  def quantity_less_than_50(item)
     if item.quality < 50
       item.quality = item.quality + 1
       if item.name == "Backstage passes to a TAFKAL80ETC concert"
@@ -29,10 +47,17 @@ class GildedRose
       end
     end 
   end
+
+  def update_sell_in(item)
     if item.name != "Sulfuras, Hand of Ragnaros"
       item.sell_in = item.sell_in - 1
     end
     if item.sell_in < 0
+      check_expired_item(item)
+    end
+  end
+
+  def check_expired_item(item)
     if item.name != "Aged Brie"
       if item.name != "Backstage passes to a TAFKAL80ETC concert"
         if item.quality > 0
@@ -49,7 +74,12 @@ class GildedRose
       end
     end
   end
+
+  def update_sell_in(item)
+    if item.name != "Sulfuras, Hand of Ragnaros"
+      item.sell_in = item.sell_in - 1
     end
+    check_expired_item(item)
   end
 end