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<?php declare(strict_types=1);
namespace Stratadox\CardGame\EventHandler;
use Stratadox\CardGame\DomainEvent;
use Stratadox\CardGame\Match\Event\UnitDied;
use Stratadox\CardGame\Match\Event\UnitMovedIntoPlay;
use Stratadox\CardGame\Match\Event\UnitMovedToAttack;
use Stratadox\CardGame\ReadModel\Match\AllCards;
use Stratadox\CardGame\ReadModel\Match\Battlefield;
final class BattlefieldUpdater implements EventHandler
{
private $battlefield;
private $cards;
public function __construct(Battlefield $battlefield, AllCards $allCards)
$this->battlefield = $battlefield;
$this->cards = $allCards;
}
public function events(): iterable
return [
UnitMovedIntoPlay::class,
UnitMovedToAttack::class,
UnitDied::class
];
public function handle(DomainEvent $event): void
if ($event instanceof UnitMovedIntoPlay) {
$this->battlefield->add(
$this->cards->ofType($event->card()),
$event->aggregateId()
);
if ($event instanceof UnitMovedToAttack) {
// @todo wont work with doubles..
$this->cards->ofType($event->card())->attack();
if ($event instanceof UnitDied) {
$this->battlefield->remove(
$event->match()
Stratadox /
CardGame
