megahunt.test/app/HistoryObserver.php

<?php

namespace App;
use App\Models\History;

class HistoryObserver
{
    public function created($model)
    {
        History::create([
            'model_id' => $model->id,
            'model_name' => $model->getTable(),
            'before' => [],
            'after' => $model->toArray(),
            'action' => HistoryAction::Insert,
        ]);
    }

    public function updating($model)
    {
        History::create([
            'model_id' => $model->id,
            'model_name' => $model->getTable(),
            'before' => $model->getRawOriginal(),
            'after' => $model->getAttributes(),
            'action' => HistoryAction::Update,
        ]);
    }

    public function deleting($model)
    {
        History::create([
            'model_id' => $model->id,
            'model_name' => $model->getTable(),
            'before' => $model->getRawOriginal(),
            'after' => [],
            'action' => HistoryAction::Delete,
        ]);
    }
}