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<?php |
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/* |
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* This file is part of the prooph/php-ddd-cargo-sample package. |
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* (c) Alexander Miertsch <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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declare(strict_types = 1); |
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namespace Codeliner\CargoBackend\Model\Cargo; |
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use Doctrine\Common\Collections\ArrayCollection; |
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/** |
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* Itinerary |
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* |
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* The Itinerary is a ValueObject that describes a route of a cargo. |
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* It is composed of one or more Legs. |
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* Each Leg describes a part of the entire route, f.e. from one port to another. |
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* |
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* @author Alexander Miertsch <[email protected]> |
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*/ |
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class Itinerary |
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{ |
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/** |
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* @var Leg[] |
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*/ |
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protected $legs; |
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/** |
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* @param Leg[] $legs |
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*/ |
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public function __construct(array $legs) |
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{ |
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$this->legs = $legs; |
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} |
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/** |
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* @return Leg[] Immutable list of Legs |
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*/ |
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public function legs() |
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{ |
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return $this->legs; |
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} |
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/** |
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* @param Itinerary $other |
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* @return bool |
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*/ |
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public function sameValueAs(Itinerary $other): bool |
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{ |
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//We use doctrine's ArrayCollection only to ease comparison |
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//If Legs would be stored in an ArrayCollection hole the time |
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//Itinerary itself would not be immutable, |
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//cause a client could call $itinerary->legs()->add($anotherLeg); |
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//Keeping ValueObjects immutable is a rule of thumb |
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$myLegs = new ArrayCollection($this->legs()); |
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$otherLegs = new ArrayCollection($other->legs()); |
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if ($myLegs->count() !== $otherLegs->count()) { |
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return false; |
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} |
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return $myLegs->forAll(function($index, Leg $leg) use ($otherLegs) { |
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return $otherLegs->exists(function($otherIndex, Leg $otherLeg) use ($leg) { |
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return $otherLeg->sameValueAs($leg); |
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}); |
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}); |
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} |
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/** |
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* surrogate key, required by doctrine |
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*/ |
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private $id; |
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} |
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codeliner /
php-ddd-cargo-sample
