Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 11 | class ItemCollection extends ArrayCollection |
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| 12 | { |
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| 13 | protected $type; |
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| 14 | |||
| 15 | 115 | public function __construct($Items, $type = null) |
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| 16 | { |
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| 17 | 115 | $this->type = is_null($type) ? Order::class : $type; |
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| 18 | |||
| 19 | 115 | if ($Items instanceof Collection) { |
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| 20 | 115 | $Items = $Items->toArray(); |
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| 21 | } |
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| 22 | 115 | parent::__construct($Items); |
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| 23 | } |
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| 24 | |||
| 25 | 27 | public function reduce(\Closure $func, $initial = null) |
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| 26 | { |
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| 27 | 27 | return array_reduce($this->toArray(), $func, $initial); |
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| 28 | } |
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| 29 | |||
| 30 | // 明細種別ごとに返すメソッド作る |
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| 31 | 25 | public function getProductClasses() |
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| 32 | { |
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| 33 | 25 | return $this->filter( |
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| 34 | function (ItemInterface $ShipmentItem) { |
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| 35 | 19 | return $ShipmentItem->isProduct(); |
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| 36 | 25 | }); |
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| 37 | } |
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| 38 | |||
| 39 | 24 | public function getDeliveryFees() |
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| 40 | { |
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| 41 | 24 | return $this->filter( |
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| 42 | function (ItemInterface $ShipmentItem) { |
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| 43 | 18 | return $ShipmentItem->isDeliveryFee(); |
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| 44 | 24 | }); |
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| 45 | } |
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| 46 | |||
| 47 | 25 | public function getCharges() |
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| 48 | { |
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| 49 | 25 | return $this->filter( |
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| 50 | function (ItemInterface $ShipmentItem) { |
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| 51 | 19 | return $ShipmentItem->isCharge(); |
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| 52 | 25 | }); |
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| 53 | } |
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| 54 | |||
| 55 | 23 | public function getDiscounts() |
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| 56 | { |
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| 57 | 23 | return $this->filter( |
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| 58 | function (ItemInterface $ShipmentItem) { |
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| 59 | 17 | return $ShipmentItem->isDiscount(); |
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| 60 | 23 | }); |
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| 61 | } |
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| 62 | |||
| 63 | /** |
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| 64 | * 同名の明細が存在するかどうか. |
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| 65 | * |
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| 66 | * TODO 暫定対応. 本来は明細種別でチェックする. |
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| 67 | */ |
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| 68 | View Code Duplication | public function hasProductByName($productName) |
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| 69 | { |
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| 70 | $ShipmentItems = $this->filter( |
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| 71 | function (ItemInterface $ShipmentItem) use ($productName) { |
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| 72 | /* @var ShipmentItem $ShipmentItem */ |
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| 73 | return $ShipmentItem->getProductName() == $productName; |
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| 74 | }); |
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| 75 | |||
| 76 | return !$ShipmentItems->isEmpty(); |
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| 77 | } |
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| 78 | |||
| 79 | /** |
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| 80 | * 指定した受注明細区分の明細が存在するかどうか. |
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| 81 | * |
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| 82 | * @param OrderItemType $OrderItemType 受注区分 |
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| 83 | * |
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| 84 | * @return bool |
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| 85 | */ |
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| 86 | 1 | View Code Duplication | public function hasItemByOrderItemType($OrderItemType) |
| 87 | { |
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| 88 | $filteredItems = $this->filter(function (ItemInterface $ShipmentItem) use ($OrderItemType) { |
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| 89 | /* @var ShipmentItem $ShipmentItem */ |
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| 90 | 1 | return $ShipmentItem->getOrderItemType() && $ShipmentItem->getOrderItemType()->getId() == $OrderItemType->getId(); |
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| 91 | 1 | }); |
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| 92 | |||
| 93 | 1 | return !$filteredItems->isEmpty(); |
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| 94 | } |
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| 95 | |||
| 96 | public function getType() |
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| 97 | { |
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| 98 | return $this->type; |
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| 99 | } |
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| 100 | |||
| 101 | 115 | public function sort() |
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| 136 | } |
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| 137 |