From 6d4bc3f8afda7b36075cb99e73d06f9baa50f081 Mon Sep 17 00:00:00 2001
From: Maarten Parmentier <maarten@ziggu.io>
Date: Tue, 27 Jun 2023 19:47:49 +0200
Subject: [PATCH] Extract the first item case: "Sulfuras"

---
 ruby/gilded_rose.rb | 73 +++++++++++++++++++++++----------------------
 1 file changed, 37 insertions(+), 36 deletions(-)

diff --git a/ruby/gilded_rose.rb b/ruby/gilded_rose.rb
index e177a497..01261571 100644
--- a/ruby/gilded_rose.rb
+++ b/ruby/gilded_rose.rb
@@ -4,53 +4,54 @@ class GildedRose
     @items = items
   end
 
-  def update_quality()
+  def update_quality
     @items.each do |item|
-      if item.name != "Aged Brie" and item.name != "Backstage passes to a TAFKAL80ETC concert"
-        if item.quality > 0
-          if item.name != "Sulfuras, Hand of Ragnaros"
-            item.quality = item.quality - 1
-          end
-        end
+      case item.name
+      when 'Sulfuras, Hand of Ragnaros'
+        update_sulfuras_quality(item)
       else
-        if item.quality < 50
-          item.quality = item.quality + 1
-          if item.name == "Backstage passes to a TAFKAL80ETC concert"
-            if item.sell_in < 11
-              if item.quality < 50
-                item.quality = item.quality + 1
-              end
-            end
-            if item.sell_in < 6
-              if item.quality < 50
-                item.quality = item.quality + 1
-              end
-            end
-          end
-        end
-      end
-      if item.name != "Sulfuras, Hand of Ragnaros"
-        item.sell_in = item.sell_in - 1
-      end
-      if item.sell_in < 0
-        if item.name != "Aged Brie"
-          if item.name != "Backstage passes to a TAFKAL80ETC concert"
-            if item.quality > 0
-              if item.name != "Sulfuras, Hand of Ragnaros"
-                item.quality = item.quality - 1
-              end
-            end
-          else
-            item.quality = item.quality - item.quality
+        if item.name != "Aged Brie" and item.name != "Backstage passes to a TAFKAL80ETC concert"
+          if item.quality > 0
+            item.quality = item.quality - 1
           end
         else
           if item.quality < 50
             item.quality = item.quality + 1
+            if item.name == "Backstage passes to a TAFKAL80ETC concert"
+              if item.sell_in < 11
+                if item.quality < 50
+                  item.quality = item.quality + 1
+                end
+              end
+              if item.sell_in < 6
+                if item.quality < 50
+                  item.quality = item.quality + 1
+                end
+              end
+            end
+          end
+        end
+        item.sell_in = item.sell_in - 1
+        if item.sell_in < 0
+          if item.name != "Aged Brie"
+            if item.name != "Backstage passes to a TAFKAL80ETC concert"
+              if item.quality > 0
+                item.quality = item.quality - 1
+              end
+            else
+              item.quality = item.quality - item.quality
+            end
+          else
+            if item.quality < 50
+              item.quality = item.quality + 1
+            end
           end
         end
       end
     end
   end
+
+  def update_sulfuras_quality(item); end
 end
 
 class Item