Trigger by Listener Example

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tthlan
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Posts: 71
Joined: Tue Aug 23, 2016 8:13 am

Trigger by Listener Example

Post by tthlan »

1) project/src/EventSubscriber/PlayerFiveCListener.php

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<?php

namespace App\EventSubscriber;

use Doctrine\ORM\Event\LifecycleEventArgs;
use App\Entity\FiveC;
use App\Entity\User;
use App\Entity\PlayerChallenge;

class PlayerFiveCListener
{
    ...
}

Listener if data insert

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    public function postPersist(LifecycleEventArgs $args)
    {
        $entity = $args->getEntity();

        if (!$entity instanceof FiveC) {
            return;
        }

        $entityManager = $args->getObjectManager();

        $this->updatePlayerActualPoint($entity, $entityManager);
    }
Be-care to check and skip if no related to Entity

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        if (!$entity instanceof FiveC) {
            return;
        }

Listener if data was update on specific columns by $eventArgs

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    public function postUpdate(LifecycleEventArgs $args)
    {
        $entity = $args->getEntity();

        if (!$entity instanceof FiveC) {
            return;
        }

        $entityManager = $args->getObjectManager();
        // Get change set fields with old[0] and update[1] data
        $eventArgs = $args->getEntityManager()->getUnitOfWork()->getEntityChangeSet($entity);

        $existChangePCRI = isset( $eventArgs['pcri'] ) && !empty( $eventArgs['pcri'][1] );
        $existChangeCREA = isset( $eventArgs['crea'] ) && !empty( $eventArgs['crea'][1] );
        $existChangeCOOM = isset( $eventArgs['comm'] ) && !empty( $eventArgs['comm'][1] );
        $existChangeCOLL = isset( $eventArgs['coll'] ) && !empty( $eventArgs['coll'][1] );
        $existChangeCOES = isset( $eventArgs['coes'] ) && !empty( $eventArgs['coes'][1] );

        if ($eventArgs->getEntity() instanceof FiveC) {
            if ( ($existChangePCRI || $existChangeCREA || $existChangeCOOM || $existChangeCOLL || $existChangeCOES)) {
                $this->updatePlayerActualPoint($entity, $entityManager);
            }
        }

    }

Action function on Listener to update to db by $entityManager

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    protected function updatePlayerActualPoint($entity, $entityManager){

        $player = $entity->getPlayer();

        $actual_skill_points = $entityManager->getRepository(PlayerChallenge::class)->calculatePlayerActuallPoint($player);

        $player->setPlayerActualPoints($actual_skill_points);

        $entityManager->flush();
    }

2) project/config/services.yaml add config lines for PlayerFiveCListener

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services:
app_api.event.player_fiveC_listener:
        class: App\EventSubscriber\PlayerFiveCListener
        tags:
            - { name: doctrine.event_listener, event: postPersist, priority: 10 }
            - { name: doctrine.event_listener, event: postUpdate, priority: 10 }
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