area17/twill

trait HasPresenter
{
    protected $presenterInstance;

    public function present($presenter = 'presenter')
    {
        if (!$this->$presenter or !class_exists($this->$presenter)) {
            throw new \Exception('Please set the Presenter path to your Presenter :' . $presenter . ' FQN');
        }

        if (!$this->presenterInstance) {
            $this->presenterInstance = new $this->$presenter($this);
        }

        return $this->presenterInstance;
    }

    public function presentAdmin()
    {
        return $this->present('presenterAdmin');
    }

    public function setPresenter($presenter, $presenterProperty = 'presenter')
    {
        if (!$this->$presenterProperty) {
            $this->$presenterProperty = $presenter;
        }
        return $this;
    }

    public function setPresenterAdmin($presenter)
    {
        return $this->setPresenter($presenter, 'presenterAdmin');
    }
}

use A17\Twill\Models\Behaviors\HasPresenter;
use Illuminate\Database\Eloquent\Model as BaseModel;

class Block extends BaseModel
{
    use HasPresenter;
    //
}

use A17\Twill\Models\Behaviors\HasPresenter;
use Illuminate\Foundation\Auth\User as AuthenticatableContract;

class User extends AuthenticatableContract
{
    use HasPresenter;
    //
}