CanBeAddedCart.php 1.5 KB
<?php
/**
+-----------------------------------------------------------------------------------------------------------------------
 * trait :对象可以被添加大购物车 trait
+-----------------------------------------------------------------------------------------------------------------------
 *
 * PHP version 7
 *
 * @category  App\Models\Traits
 * @package   App\Models\Traits
 * @author    Richer <yangzi1028@163.com>
 * @date      2022年5月12日13:34:18
 * @copyright 2021-2022 Richer (http://www.Richer.com/)
 * @license   http://www.Richer.com/ License
 * @link      http://www.Richer.com/
 */
namespace App\Models\Traits;

use App\Models\Cart\Cart;
use App\Models\User\User;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Support\Arr;

/**
 * Trait CanBeAddedCart.
 *
 * @category  App\Models\Traits
 * @package   App\Models\Traits
 * @author    Richer <yangzi1028@163.com>
 * @date      2022年5月12日13:34:18
 * @copyright 2021-2022 Richer (http://www.Richer.com/)
 * @license   http://www.Richer.com/ License
 * @link      http://www.Richer.com/
 */
trait CanBeAddedCart
{
    /**
     * Check if the model  is ordered by given user.
     *
     * @param User $user 用户
     *
     * @return bool
     */
    public function isAddedBy($user)
    {
        return $this->carts()->where('user_id', $user->id)->exists();
    }

    /**
     * Return carts.
     *
     * @return BelongsToMany
     */
    public function carts()
    {
        return $this->morphMany(Cart::class, 'cartable');
    }
}