Created
December 1, 2019 07:53
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GildedRoseRefact
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| # -*- coding: utf-8 -*- | |
| class GildedRose(object): | |
| def __init__(self, items): | |
| self.items = items | |
| def update_quality(self): | |
| for item in self.items: | |
| refresher_factory(item).refresh() | |
| 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) | |
| class RoseRefresher(object): | |
| def __init__(self, item): | |
| self.item = item | |
| def is_sellin_passed(self): | |
| return self.item.sell_in < 0 | |
| def is_good_quality(self): | |
| return self.item.quality > 0 | |
| def degrade_quality(self, n=1): | |
| self.item.quality -= n | |
| def do_update_quality(self): | |
| if self.is_good_quality(): | |
| self.degrade_quality() | |
| def update_daily_quality(self): | |
| self.do_update_quality() | |
| def refresh_left_days(self): | |
| self.item.sell_in -= 1 | |
| def update_expired_quality(self): | |
| self.do_update_quality() | |
| def refresh(self): | |
| self.update_daily_quality() | |
| self.refresh_left_days() | |
| if self.is_sellin_passed(): | |
| self.update_expired_quality() | |
| class AgeBrieRefresher(RoseRefresher): | |
| def is_good_quality(self): | |
| return self.item.quality < 50 | |
| def increase_quality(self, n=1): | |
| self.item.quality += n | |
| def do_update_quality(self): | |
| if self.is_good_quality(): | |
| self.increase_quality() | |
| class BackstageRefresher(RoseRefresher): | |
| def is_good_quality(self): | |
| return self.item.quality < 50 | |
| def increase_quality(self, n=1): | |
| self.item.quality += 1 | |
| def do_update_quality(self): | |
| if self.is_good_quality(): | |
| self.increase_quality() | |
| def update_daily_quality(self): | |
| self.do_update_quality() | |
| if self.item.sell_in < 11: | |
| self.do_update_quality() | |
| if self.item.sell_in < 6: | |
| self.do_update_quality() | |
| def update_expired_quality(self): | |
| self.item.quality = 0 | |
| class LegendaryRefresher(RoseRefresher): | |
| def do_update_quality(self): | |
| pass | |
| def refresh_left_days(self): | |
| pass | |
| RefreshHanlderRegistry = { | |
| "Aged Brie": AgeBrieRefresher, | |
| "Backstage passes to a TAFKAL80ETC concert": BackstageRefresher, | |
| "Sulfuras, Hand of Ragnaros": LegendaryRefresher, | |
| "default": RoseRefresher, | |
| } | |
| def refresher_factory(item): | |
| default_refresher = RefreshHanlderRegistry.get("default") | |
| refresher = RefreshHanlderRegistry.get(item.name, default_refresher) | |
| return refresher(item) |
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