<?php

namespace Catalyst\APIBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Request;

abstract class APIController extends Controller
{
    protected function checkRequiredParameters(Request $req, $params = [])
    {
        $missing = [];

        // check if parameters are there
        foreach ($params as $param)
        {
            if ($req->getMethod() == 'GET')
            {
                $check = $req->query->get($param);
                if (empty($check))
                    $missing[] = $param;
            }
            // else if ($req->getMethod() == 'POST')
            else
            {
                $check = $req->request->get($param);
                //if (empty($check))
                if (!isset($check))
                    $missing[] = $param;
            }
        }

        // check missing parameters
        if (count($missing) > 0)
        {
            $miss_string = implode(', ', $missing);
            return 'Missing required parameter(s): ' . $miss_string;
        }

        return false;
    }
}