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<?php |
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namespace Kata\GildedRoseKata; |
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class GildedRose |
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{ |
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private $items; |
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function __construct($items) |
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{ |
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$this->items = $items; |
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} |
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function update_quality() |
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{ |
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foreach ($this->items as $item) |
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{ |
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$new_item = $this->factory_method($item); |
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if ($item->name != 'Aged Brie' and $item->name != 'Backstage passes to a TAFKAL80ETC concert') |
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{ |
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$this->decrementQualityOneUnitIfItemNameIsNotSulfuras($item); |
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} |
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else |
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{ |
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$this->incrementQuality($item); |
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} |
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if ($item->name != 'Sulfuras, Hand of Ragnaros') |
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{ |
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$item->sell_in = $item->sell_in - 1; |
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} |
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if ($item->sell_in > 0) |
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{ |
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continue; |
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} |
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if ($item->name == 'Aged Brie') |
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{ |
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$this->increaseQualityByOneUnitWhenQualitySmallerThanFifty($item); |
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} |
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if ($item->name != 'Backstage passes to a TAFKAL80ETC concert') |
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{ |
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$this->decrementQualityOneUnitIfItemNameIsNotSulfuras($item); |
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} |
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else |
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{ |
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$item->quality = $item->quality - $item->quality; |
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} |
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} |
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} |
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public function increaseQualityByOneUnitWhenQualitySmallerThanFifty($item): void |
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{ |
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if ($item->quality < 50) |
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{ |
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$item->quality = $item->quality + 1; |
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} |
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} |
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public function decrementQualityOneUnitIfItemNameIsNotSulfuras($item): void |
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{ |
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if ($item->quality > 0) |
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{ |
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if ($item->name != 'Sulfuras, Hand of Ragnaros') |
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{ |
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$item->quality = $item->quality - 1; |
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} |
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} |
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} |
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public function incrementQuality($item): void |
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{ |
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if ($item->quality >= 50) |
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{ |
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return; |
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} |
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$item->quality = $item->quality + 1; |
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if ($item->name !== 'Backstage passes to a TAFKAL80ETC concert') |
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{ |
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return; |
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} |
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$this->incrementQualityForBackstagePasses($item); |
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} |
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private function incrementQualityForBackstagePasses($item): void |
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{ |
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if ($item->sell_in < 11) |
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{ |
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$this->increaseQualityByOneUnitWhenQualitySmallerThanFifty($item); |
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} |
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if ($item->sell_in < 6) |
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{ |
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$this->increaseQualityByOneUnitWhenQualitySmallerThanFifty($item); |
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} |
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} |
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private function factory_method($item) |
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{ |
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if ($item->name == BackstagePassesItem::NAME) |
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{ |
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$new_item = BackstagePassesItem::createBackstagePasses($item); |
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} |
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elseif ($item->name == AgedBrieItem::NAME) |
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{ |
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$new_item = AgedBrieItem::createAgedBrieItem($item); |
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} |
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elseif ($item->name == SulfurasItem::NAME) |
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{ |
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$new_item = SulfurasItem::createSulfurasItem($item); |
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}else{ |
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$new_item = $item; |
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} |
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return $new_item; |
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} |
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} |
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Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.