OpenSource/GildedRose-Refactoring-Kata
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さらば、すべてのSULFURAS

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degwinthegreat 2021-05-14 20:33:11 +09:00
parent 5cbc4ac822
commit 3fe730ddc4
1 changed files with 17 additions and 19 deletions
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36
ruby/gilded_rose.rb
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@ -5,28 +5,30 @@ class GildedRose
AGED_BRIE = "Aged Brie" AGED_BRIE = "Aged Brie"
BACKSTAGE_PASS = "Backstage passes to a TAFKAL80ETC concert" BACKSTAGE_PASS = "Backstage passes to a TAFKAL80ETC concert"
SULFURAS = "Sulfuras, Hand of Ragnaros" SULFURAS = "Sulfuras, Hand of Ragnaros"
QUALITY_THRESHOLD = 50
def initialize(items) def initialize(items)
@items = items @items = items
end end
def increment_item_quality(item) def increment_item_quality(item, num = 1)
item.quality = item.quality + 1 item.quality = [item.quality + num, QUALITY_THRESHOLD].min
end end
def first_step(item) def first_step(item)
if item.name == AGED_BRIE || item.name == BACKSTAGE_PASS case item.name
return unless item.quality < 50 when AGED_BRIE
increment_item_quality(item) increment_item_quality(item)
return if item.name == AGED_BRIE when BACKSTAGE_PASS
if item.sell_in < 11 && item.quality < 50 if item.sell_in >= 11
increment_item_quality(item)
end
if item.sell_in < 6 && item.quality < 50
increment_item_quality(item) increment_item_quality(item)
elsif (6...11).cover?(item.sell_in)
increment_item_quality(item, 2)
elsif item.sell_in < 6
increment_item_quality(item, 3)
end end
else else
if item.quality > 0 && item.name != SULFURAS if item.quality > 0
item.quality = item.quality - 1 item.quality = item.quality - 1
end end
end end
@ -34,23 +36,19 @@ class GildedRose
def update_quality() def update_quality()
@items.each do |item| @items.each do |item|
return if item.name == SULFURAS
first_step(item) first_step(item)
if item.name != SULFURAS item.sell_in = item.sell_in - 1
item.sell_in = item.sell_in - 1
end
if item.sell_in < 0 if item.sell_in < 0
if item.name == AGED_BRIE if item.name == AGED_BRIE
if item.quality < 50 increment_item_quality(item)
increment_item_quality(item)
end
else else
if item.name == BACKSTAGE_PASS if item.name == BACKSTAGE_PASS
item.quality = 0 item.quality = 0
else else
if item.quality > 0 if item.quality > 0
if item.name != SULFURAS item.quality = item.quality - 1
item.quality = item.quality - 1
end
end end
end end
end end