Accessing data using the repository pattern in Chef

repository.php

<?php

namespace App\Resources\Order;

use \App\Resources\Order\Order;
use \Gousto\Requesto\Repository;

/**
 * Class OrderRepository
 * 
 * @package App\Resources\Order
 */
class OrderRepository extends Repository implements OrderRepositoryInterface
{
    /**
     * @var string
     * 
     * The model class name to be used by the repository.
     */
    protected $model_name = Order::class;
    
    /**
     * @param string $user_id
     * 
     * @return Collection
     * 
     * Returns a collection of orders for the given user.
     */
    public function getByUserId($user_id)
    {
        return $this->model()->where('user_id', $user_id)->get();
    }
}