HT_DASHBOARD/app/Logics/Shop/ShopLogic.php

<?php

namespace App\Logics\Shop;

use App\Exceptions\ParamException;
use App\Models\HtpmsCustomer\Deposit\Deposit;
use App\Models\HtpmsCustomer\Mst\Shop;
use App\Models\User;

class ShopLogic
{

    private User|null $customerUser = null;
    private Shop|null $shop = null;

    public function create(User $customerUser, Shop $shop)
    {
        $this->customerUser = $customerUser;
        $this->shop = $shop;

        // チェック処理
        if (Shop::whereName($shop->name)->exists()) {
            ParamException::throw(Shop::COL_NAME_NAME, trans('validation.unique'));
        }

        $shop->save();

        // デポジット
        $deposit = new Deposit();
        $deposit->shop_id = $shop->id;
        $deposit->save();

        return $shop;
    }

    public function delete(Shop $shop)
    {
        $shop->delete();

        $users = $shop->users;

        if ($users !== null) {
            foreach ($shop->users as $user) {
                $user->delete();
            }
        }
    }
}