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https://github.com/emilybache/GildedRose-Refactoring-Kata.git
synced 2026-02-04 09:11:39 +00:00
87 lines
2.6 KiB
Python
Executable File
87 lines
2.6 KiB
Python
Executable File
# -*- coding: utf-8 -*-
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class ITEM_NAME:
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AGED_BRIE = "Aged Brie"
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BACKSTAGE_PASS = "Backstage passes to a TAFKAL80ETC concert"
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SULFURAS = "Sulfuras, Hand of Ragnaros"
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CONJURED = "Conjured"
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class GildedRose(object):
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MAX_QUALITY = 50
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LEGENDARY_QUALITY = 80
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LEGENDARY_ITEM = ITEM_NAME.SULFURAS
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BACKSTAGE_PASS_DOUBLE_THRESHOLD = 10 # Quality increases by 2 when ≤ this
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BACKSTAGE_PASS_TRIPLE_THRESHOLD = 5 # Quality increases by 3 when ≤ this
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def __init__(self, items):
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self.items = items
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def update_quality(self):
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for item in self.items:
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self.update_item_quality(item)
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self.update_sell_in(item)
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if item.sell_in < 0:
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self.handle_expired_item(item)
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def update_item_quality(self, item):
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if item.name == ITEM_NAME.AGED_BRIE:
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self.update_aged_brie(item)
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elif item.name == ITEM_NAME.BACKSTAGE_PASS:
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self.update_backstage_pass(item)
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elif ITEM_NAME.CONJURED in item.name:
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self.update_conjured_item(item)
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elif item.name != ITEM_NAME.SULFURAS:
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self.update_normal_item(item)
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def update_conjured_item(self, item):
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self.decrease_quality(item)
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self.decrease_quality(item)
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def update_sell_in(self, item):
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if item.name != ITEM_NAME.SULFURAS:
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item.sell_in -= 1
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def handle_expired_item(self, item):
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if item.name == ITEM_NAME.AGED_BRIE:
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self.increase_quality(item)
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elif item.name == ITEM_NAME.BACKSTAGE_PASS:
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item.quality = 0
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elif ITEM_NAME.CONJURED in item.name:
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self.decrease_quality(item)
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self.decrease_quality(item)
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elif item.name != ITEM_NAME.SULFURAS:
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self.decrease_quality(item)
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def update_aged_brie(self, item):
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self.increase_quality(item)
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def update_backstage_pass(self, item):
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self.increase_quality(item)
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if item.sell_in <= self.BACKSTAGE_PASS_DOUBLE_THRESHOLD:
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self.increase_quality(item)
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if item.sell_in <= self.BACKSTAGE_PASS_TRIPLE_THRESHOLD:
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self.increase_quality(item)
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def update_normal_item(self, item):
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self.decrease_quality(item)
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def increase_quality(self, item):
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if item.quality < self.MAX_QUALITY:
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item.quality += 1
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def decrease_quality(self, item):
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if item.quality > 0:
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item.quality -= 1
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class Item:
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def __init__(self, name, sell_in, quality):
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self.name = name
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self.sell_in = sell_in
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self.quality = quality
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def __repr__(self):
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return "%s, %s, %s" % (self.name, self.sell_in, self.quality)
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