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<?php declare(strict_types=1); |
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namespace Stratadox\CardGame\EventHandler; |
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use Stratadox\CardGame\DomainEvent; |
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use Stratadox\CardGame\Match\Event\UnitDied; |
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use Stratadox\CardGame\Match\Event\UnitMovedIntoPlay; |
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use Stratadox\CardGame\Match\Event\UnitMovedToAttack; |
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use Stratadox\CardGame\Match\Event\UnitMovedToDefend; |
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use Stratadox\CardGame\Match\Event\UnitRegrouped; |
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use Stratadox\CardGame\Match\MatchEvent; |
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use Stratadox\CardGame\ReadModel\Match\Battlefield; |
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use Stratadox\CardGame\ReadModel\Match\Card; |
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use Stratadox\CardGame\ReadModel\Match\CardTemplates; |
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use Stratadox\CardGame\ReadModel\Match\Battlefields; |
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use function assert; |
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final class BattlefieldUpdater implements EventHandler |
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{ |
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private $battlefield; |
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private $cardTemplate; |
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public function __construct( |
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Battlefields $battlefield, |
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CardTemplates $templates |
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) { |
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$this->battlefield = $battlefield; |
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$this->cardTemplate = $templates; |
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} |
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public function events(): iterable |
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{ |
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return [ |
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UnitMovedIntoPlay::class, |
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UnitMovedToAttack::class, |
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UnitMovedToDefend::class, |
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UnitRegrouped::class, |
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UnitDied::class, |
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]; |
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} |
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public function handle(DomainEvent $event): void |
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{ |
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assert($event instanceof MatchEvent); |
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$this->update($this->battlefield->for($event->aggregateId()), $event); |
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} |
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private function update(Battlefield $battlefield, MatchEvent $event): void |
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{ |
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if ($event instanceof UnitMovedIntoPlay) { |
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$battlefield->addFor($event->player(), new Card( |
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$event->offset(), |
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$this->cardTemplate->ofType($event->card()) |
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)); |
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} elseif ($event instanceof UnitMovedToAttack) { |
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$battlefield->getSentIntoBattleBy($event->player(), $event->offset()); |
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} elseif ($event instanceof UnitMovedToDefend) { |
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$battlefield->getSentToDefendBy($event->player(), $event->offset()); |
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} elseif ($event instanceof UnitRegrouped) { |
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$battlefield->getSentToRegroupBy($event->player(), $event->offset()); |
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} elseif ($event instanceof UnitDied) { |
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$battlefield->removeFrom($event->player(), $event->offset()); |
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} |
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} |
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} |
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Stratadox /
CardGame
