mirror of
https://github.com/emilybache/GildedRose-Refactoring-Kata.git
synced 2026-02-04 09:11:39 +00:00
79 lines
2.2 KiB
Python
Executable File
79 lines
2.2 KiB
Python
Executable File
# -*- coding: utf-8 -*-
|
|
|
|
class GildedRose(object):
|
|
|
|
def __init__(self, items):
|
|
self.items = items
|
|
|
|
def update_quality(self):
|
|
for item in self.items:
|
|
|
|
# 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):
|
|
self.name = name
|
|
self.sell_in = sell_in
|
|
self.quality = quality
|
|
|
|
def __repr__(self):
|
|
return "%s, %s, %s" % (self.name, self.sell_in, self.quality)
|