erpsaas/app/Concerns/Blamable.php

<?php

namespace App\Concerns;

use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Support\Facades\Auth;
use Wallo\FilamentCompanies\FilamentCompanies;

trait Blamable
{
    public static function bootBlamable(): void
    {
        static::creating(static function ($model) {
            if (Auth::check() && $authId = Auth::id()) {
                $model->created_by = $model->created_by ?? $authId;
                $model->updated_by = $model->updated_by ?? $authId;
            }
        });

        static::updating(static function ($model) {
            if (Auth::check() && $authId = Auth::id()) {
                $model->updated_by = $authId;
            }
        });
    }

    public function createdBy(): BelongsTo
    {
        return $this->belongsTo($this->userModel(), 'created_by');
    }

    public function updatedBy(): BelongsTo
    {
        return $this->belongsTo($this->userModel(), 'updated_by');
    }

    protected function userModel(): string
    {
        return FilamentCompanies::userModel();
    }
}