AttrubuteValuesDelete.php

<?php

namespace App\Jobs;

use Illuminate\Bus\Queueable;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Queue\SerializesModels;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Rinvex\Attributes\Models\Attribute;

class AttributeValuesDelete implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    /**
     * @var Model $entity
     */
    private $entity;

    private $key;

    /**
     * Create a new job instance.
     *
     * @param $entity
     * @param string $key
     */
    public function __construct($entity, $key)
    {
        $this->entity = $entity;
        $this->key = $key;
    }

    /**
     * Execute the job.
     *
     * @return void
     */
    public function handle()
    {
        $attribute = $this->entity->getEntityAttributes()->get($this->key);

        if (($relation = $attribute->getAttribute('slug'))
            && ($values = $this->entity->getRelationValue($relation)) && !$values->isEmpty()) {
            // Calling the `destroy` method from the given $type model class name
            // will finally delete the records from database if any was found.
            // We'll just provide an array containing the ids to be deleted.
            forward_static_call_array(
                [Attribute::getTypeModel($attribute->getAttribute('type')), 'destroy'],
                [$values->pluck('id')->toArray()]
            );
        }
    }
}

 if (!empty($value)) {
        $model->{$attribute} = $value;
    } else {
        dispatch(new AttributeValuesDelete($model, $attribute));
 }