CakeController.php

<?php
class CakeController {
    public function __construct (CakeService $cakeService) {
        $this->cakeService = $cakeService;
    }
    
    public function createOrder() {
        $customer = Input::get('customer');
        $flavor = Input::get('flavor');
        return $this->cakeService->makeOrder($customer, $flavor);
    }
}