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<?php |
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namespace WSW\SiftScience\Support\Traits\Transformers; |
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use WSW\SiftScience\Collections\Items; |
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use WSW\SiftScience\Collections\PaymentMethods; |
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use WSW\SiftScience\Collections\Promotions; |
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use WSW\SiftScience\Entities\Address; |
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use WSW\SiftScience\Entities\CreditPoint; |
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use WSW\SiftScience\Entities\Discount; |
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use WSW\SiftScience\Transformers\Entities\AddressTransformer; |
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use WSW\SiftScience\Transformers\Entities\CreditPointTransformer; |
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use WSW\SiftScience\Transformers\Entities\DiscountTransformer; |
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use WSW\SiftScience\Transformers\Entities\ItemTransformer; |
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use WSW\SiftScience\Transformers\Entities\PaymentMethodTransformer; |
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use WSW\SiftScience\Transformers\Entities\PromotionTransformer; |
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/** |
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* Trait Relationships |
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* |
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* @package WSW\SiftScience\Support\Traits\Transformers |
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* @author Ronaldo Matos Rodrigues <[email protected]> |
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*/ |
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trait Relationships |
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{ |
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/** |
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* @param $address|null |
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* |
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* @return array|null |
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*/ |
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protected function address($address = null) |
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{ |
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return (!$address instanceof Address) ? null : $this->loadItem($address, new AddressTransformer()); |
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} |
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/** |
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* @param Discount|null $discount |
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* |
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* @return array|null |
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*/ |
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protected function discount($discount = null) |
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{ |
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return (!$discount instanceof Discount) ? null : $this->loadItem($discount, new DiscountTransformer); |
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} |
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/** |
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* @param CreditPoint|null $creditPoint |
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* |
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* @return array |
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*/ |
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protected function creditPoint($creditPoint = null) |
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{ |
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return (!$creditPoint instanceof CreditPoint) |
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? null |
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: $this->loadItem($creditPoint, new CreditPointTransformer); |
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} |
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/** |
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* @param PaymentMethods|null $collection |
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* |
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* @return array |
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*/ |
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protected function paymentMethods($collection = null) |
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{ |
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return (!$collection instanceof PaymentMethods) |
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? null |
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: $this->loadCollection($collection->getValues(), new PaymentMethodTransformer); |
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} |
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/** |
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* @param Items|null $items |
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* |
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* @return array |
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*/ |
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protected function items($items) |
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{ |
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return (!$items instanceof Items) |
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? null |
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: $this->loadCollection($items->getValues(), new ItemTransformer); |
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} |
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/** |
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* @param Promotions|null $promotions |
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* |
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* @return array|null |
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*/ |
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protected function promotions(Promotions $promotions = null) |
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{ |
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return (!$promotions instanceof Promotions) |
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? null |
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: $this->loadCollection($promotions->getValues(), new PromotionTransformer); |
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} |
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} |
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This check looks for methods that are used by a trait but not required by it.
To illustrate, let’s look at the following code example
The trait
Idableprovides a methodequalsIdthat in turn relies on the methodgetId(). If this method does not exist on a class mixing in this trait, the method will fail.Adding the
getId()as an abstract method to the trait will make sure it is available.