OpenSource/GildedRose-Refactoring-Kata
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Refactor update_quality for readability

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This commit is contained in:
Jenif D Souza W S 2025-12-14 19:33:07 +00:00
parent 605b66eecc
commit 30bbbd084b
1 changed files with 58 additions and 27 deletions
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85
python/gilded_rose.py
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@ -7,34 +7,65 @@ class GildedRose(object):
def update_quality(self):
for item in self.items:
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
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
if item.sell_in < 6:
if item.quality < 50:
item.quality = item.quality + 1
if item.name != "Sulfuras, Hand of Ragnaros":
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:
if item.name != "Sulfuras, Hand of Ragnaros":
item.quality = item.quality - 1
else:
item.quality = item.quality - item.quality
else:
if item.quality < 50:
item.quality = item.quality + 1
# Legendary item: no change
if item.name == "Sulfuras, Hand of Ragnaros":
continue
# STEP 1 — Update quality before sell-in
if item.name == "Aged Brie":
self._increase_quality(item)
elif item.name == "Backstage passes to a TAFKAL80ETC concert":
self._update_backstage(item)
elif "Conjured" in item.name:
# Conjured before expiry = -2
self._decrease_quality(item)
self._decrease_quality(item)
else:
self._decrease_quality(item)
# STEP 2 — decrease sell_in
item.sell_in -= 1
# STEP 3 — Handle expired items
if item.sell_in < 0:
if item.name == "Aged Brie":
self._increase_quality(item)
elif item.name == "Backstage passes to a TAFKAL80ETC concert":
item.quality = 0
elif "Conjured" in item.name:
# Conjured after expiry = -4 total
self._decrease_quality(item)
self._decrease_quality(item)
else:
# Normal items degrade -2 after expiry
self._decrease_quality(item)
# --------------------------
# Helper methods
# --------------------------
def _increase_quality(self, item):
if item.quality < 50:
item.quality += 1
def _decrease_quality(self, item):
if item.quality > 0:
item.quality -= 1
def _update_backstage(self, item):
self._increase_quality(item)
if item.sell_in < 11:
self._increase_quality(item)
if item.sell_in < 6:
self._increase_quality(item)
class Item:
def __init__(self, name, sell_in, quality):