Subversion Repositories cheapmusic

<?php

/**

 * Copyright 2017 Facebook, Inc.

 *

 * You are hereby granted a non-exclusive, worldwide, royalty-free license to

 * use, copy, modify, and distribute this software in source code or binary

 * form for use in connection with the web services and APIs provided by

 * Facebook.

 *

 * As with any software that integrates with the Facebook platform, your use

 * of this software is subject to the Facebook Developer Principles and

 * Policies [http://developers.facebook.com/policy/]. This copyright notice

 * shall be included in all copies or substantial portions of the software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

 * DEALINGS IN THE SOFTWARE.

 *

 */

namespace Facebook;

use ArrayIterator;

use IteratorAggregate;

use ArrayAccess;

/**

 * Class FacebookBatchResponse

 *

 * @package Facebook

 */

class FacebookBatchResponse extends FacebookResponse implements IteratorAggregate, ArrayAccess

{

    /**

     * @var FacebookBatchRequest The original entity that made the batch request.

     */

    protected $batchRequest;

    /**

     * @var array An array of FacebookResponse entities.

     */

    protected $responses = [];

    /**

     * Creates a new Response entity.

     *

     * @param FacebookBatchRequest $batchRequest

     * @param FacebookResponse     $response

     */

    public function __construct(FacebookBatchRequest $batchRequest, FacebookResponse $response)

    {

        $this->batchRequest = $batchRequest;

        $request = $response->getRequest();

        $body = $response->getBody();

        $httpStatusCode = $response->getHttpStatusCode();

        $headers = $response->getHeaders();

        parent::__construct($request, $body, $httpStatusCode, $headers);

        $responses = $response->getDecodedBody();

        $this->setResponses($responses);

    }

    /**

     * Returns an array of FacebookResponse entities.

     *

     * @return array

     */

    public function getResponses()

    {

        return $this->responses;

    }

    /**

     * The main batch response will be an array of requests so

     * we need to iterate over all the responses.

     *

     * @param array $responses

     */

    public function setResponses(array $responses)

    {

        $this->responses = [];

        foreach ($responses as $key => $graphResponse) {

            $this->addResponse($key, $graphResponse);

        }

    }

    /**

     * Add a response to the list.

     *

     * @param int        $key

     * @param array|null $response

     */

    public function addResponse($key, $response)

    {

        $originalRequestName = isset($this->batchRequest[$key]['name']) ? $this->batchRequest[$key]['name'] : $key;

        $originalRequest = isset($this->batchRequest[$key]['request']) ? $this->batchRequest[$key]['request'] : null;

        $httpResponseBody = isset($response['body']) ? $response['body'] : null;

        $httpResponseCode = isset($response['code']) ? $response['code'] : null;

        // @TODO With PHP 5.5 support, this becomes array_column($response['headers'], 'value', 'name')

        $httpResponseHeaders = isset($response['headers']) ? $this->normalizeBatchHeaders($response['headers']) : [];

        $this->responses[$originalRequestName] = new FacebookResponse(

            $originalRequest,

            $httpResponseBody,

            $httpResponseCode,

            $httpResponseHeaders

        );

    }

    /**

     * @inheritdoc

     */

    public function getIterator()

    {

        return new ArrayIterator($this->responses);

    }

    /**

     * @inheritdoc

     */

    public function offsetSet($offset, $value)

    {

        $this->addResponse($offset, $value);

    }

    /**

     * @inheritdoc

     */

    public function offsetExists($offset)

    {

        return isset($this->responses[$offset]);

    }

    /**

     * @inheritdoc

     */

    public function offsetUnset($offset)

    {

        unset($this->responses[$offset]);

    }

    /**

     * @inheritdoc

     */

    public function offsetGet($offset)

    {

        return isset($this->responses[$offset]) ? $this->responses[$offset] : null;

    }

    /**

     * Converts the batch header array into a standard format.

     * @TODO replace with array_column() when PHP 5.5 is supported.

     *

     * @param array $batchHeaders

     *

     * @return array

     */

    private function normalizeBatchHeaders(array $batchHeaders)

    {

        $headers = [];

        foreach ($batchHeaders as $header) {

            $headers[$header['name']] = $header['value'];

        }

        return $headers;

    }

}