<?php

/**

 * 2007-2014 [PagSeguro Internet Ltda.]

 *

 * NOTICE OF LICENSE

 *

 *Licensed under the Apache License, Version 2.0 (the "License");

 *you may not use this file except in compliance with the License.

 *You may obtain a copy of the License at

 *

 *http://www.apache.org/licenses/LICENSE-2.0

 *

 *Unless required by applicable law or agreed to in writing, software

 *distributed under the License is distributed on an "AS IS" BASIS,

 *WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 *See the License for the specific language governing permissions and

 *limitations under the License.

 *

 *  @author    PagSeguro Internet Ltda.

 *  @copyright 2007-2014 PagSeguro Internet Ltda.

 *  @license   http://www.apache.org/licenses/LICENSE-2.0

 */



/***

 * Encapsulates web service calls regarding PagSeguro cancel requests

 */

class PagSeguroCancelService

{



    /**

     *

     */

    const SERVICE_NAME = 'cancelService';



    /**

     * @param $connectionData

     * @param $transactionCode

     * @return string

     */

    private static function buildCancelURL($connectionData, $transactionCode)

    {

            return  $connectionData->getServiceUrl() . '?' . $connectionData->getCredentialsUrlQuery()

                    . "&transactionCode=" . $transactionCode;

    }



    /**

     * @param PagSeguroCredentials $credentials

     * @param $transactionCode

     * @throws Exception

     * @throws PagSeguroServiceException

     */

    public static function requestCancel(

        PagSeguroCredentials $credentials,

        $transactionCode

    ) {



        LogPagSeguro::info("PagSeguroCancelService.Register(".$transactionCode.") - begin");

        $connectionData = new PagSeguroConnectionData($credentials, self::SERVICE_NAME);



        try {

            $connection = new PagSeguroHttpConnection();

            $connection->post(

                self::buildCancelURL($connectionData, $transactionCode),

                array(),

                $connectionData->getServiceTimeout(),

                $connectionData->getCharset()

            );



            return self::getResult($connection);



        } catch (PagSeguroServiceException $err) {

            throw $err;

        } catch (Exception $err) {

            LogPagSeguro::error("Exception: " . $err->getMessage());

            throw $err;

        }

    }



    /**

     * @param $connection

     * @return null|PagSeguroParserData

     * @throws PagSeguroServiceException

     */

    private function getResult($connection)

    {

        $httpStatus = new PagSeguroHttpStatus($connection->getStatus());



        switch ($httpStatus->getType()) {

            case 'OK':



                $cancel = PagSeguroCancelParser::readSuccessXml($connection->getResponse());

                LogPagSeguro::info(

                    "PagSeguroCancelService.createRequest(".$cancel.") - end "

                );

                break;

            case 'BAD_REQUEST':

                $errors = PagSeguroCancelParser::readErrors($connection->getResponse());

                $err = new PagSeguroServiceException($httpStatus, $errors);

                LogPagSeguro::error(

                    "PagSeguroCancelService.createRequest() - error " .

                    $err->getOneLineMessage()

                );

                throw $err;

                break;

            default:

                $err = new PagSeguroServiceException($httpStatus);

                LogPagSeguro::error(

                    "PagSeguroCancelService.createRequest() - error " .

                    $err->getOneLineMessage()

                );

                throw $err;

                break;

        }

        return isset($cancel) ? $cancel : false;

    }

}

