From f7f05299602c745e936769b5592c9f3c8dd500ef Mon Sep 17 00:00:00 2001
From: elieser pereira <elieser.pereiraa@gmail.com>
Date: Tue, 10 Nov 2020 22:23:06 -0300
Subject: [PATCH] reduce duplication and minimal improve

---
 go/gilded-rose.go | 59 +++++++++++++++++++++++------------------------
 1 file changed, 29 insertions(+), 30 deletions(-)

diff --git a/go/gilded-rose.go b/go/gilded-rose.go
index bac4c479..e95e62bd 100644
--- a/go/gilded-rose.go
+++ b/go/gilded-rose.go
@@ -4,35 +4,42 @@ type Item struct {
 	name            string
 	sellIn, quality int
 }
+func ReduceSulfuraConjureAndOthersQuality(item *Item) {
+	if item.quality > 0 {
+		if item.name != "Sulfuras, Hand of Ragnaros" {
+			if item.name == "Conjured Mana Cake" {
+				item.quality = item.quality - 2
+			} else {
+				item.quality = item.quality - 1
+			}
+		}
+	}
+}
+
+func ExtraBackstageOperations(item *Item){
+	if item.name == "Backstage passes to a TAFKAL80ETC concert" {
+		if item.sellIn < 11 {
+			if item.quality < 50 {
+				item.quality = item.quality + 1
+			}
+		}
+		if item.sellIn < 6 {
+			if item.quality < 50 {
+				item.quality = item.quality + 1
+			}
+		}
+	}
+}
 
 func UpdateQuality(items []*Item) {
 	for i := 0; i < len(items); i++ {
 
 		if items[i].name != "Aged Brie" && items[i].name != "Backstage passes to a TAFKAL80ETC concert" {
-			if items[i].quality > 0 {
-				if items[i].name != "Sulfuras, Hand of Ragnaros" {
-					if items[i].name == "Conjured Mana Cake" {
-						items[i].quality = items[i].quality - 2
-					} else {
-						items[i].quality = items[i].quality - 1
-					}
-				}
-			}
+			ReduceSulfuraConjureAndOthersQuality(items[i])
 		} else {
 			if items[i].quality < 50 {
 				items[i].quality = items[i].quality + 1
-				if items[i].name == "Backstage passes to a TAFKAL80ETC concert" {
-					if items[i].sellIn < 11 {
-						if items[i].quality < 50 {
-							items[i].quality = items[i].quality + 1
-						}
-					}
-					if items[i].sellIn < 6 {
-						if items[i].quality < 50 {
-							items[i].quality = items[i].quality + 1
-						}
-					}
-				}
+				ExtraBackstageOperations(items[i])
 			}
 		}
 
@@ -43,15 +50,7 @@ func UpdateQuality(items []*Item) {
 		if items[i].sellIn < 0 {
 			if items[i].name != "Aged Brie" {
 				if items[i].name != "Backstage passes to a TAFKAL80ETC concert" {
-					if items[i].quality > 0 {
-						if items[i].name != "Sulfuras, Hand of Ragnaros" {
-							if items[i].name == "Conjured Mana Cake" {
-								items[i].quality = items[i].quality - 2
-							} else {
-								items[i].quality = items[i].quality - 1
-							}
-						}
-					}
+					ReduceSulfuraConjureAndOthersQuality(items[i])
 				} else {
 					items[i].quality = items[i].quality - items[i].quality
 				}