CanBeAddedCart.php
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<?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');
}
}