baoshi-was/app/Services/OracleBasCustomerService.php

<?php

namespace App\Services;

use App\OracleBasCustomer;

Class OracleBasCustomerService
{
    public function getWareHouse($customerIDs = null)
    {
        if(!$customerIDs){
            return OracleBasCustomer::query()->where('Customer_Type','WH')->get();
        }
        return  OracleBasCustomer::query()->where('Customer_Type','WH')->get();
    }

}