iflrandevu/src/engine/Api/V1/Processors/Minimize.php

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<?php
/* ----------------------------------------------------------------------------
* Easy!Appointments - Open Source Web Scheduler
*
* @package EasyAppointments
* @author A.Tselegidis <alextselegidis@gmail.com>
* @copyright Copyright (c) 2013 - 2016, Alex Tselegidis
* @license http://opensource.org/licenses/GPL-3.0 - GPLv3
* @link http://easyappointments.org
* @since v1.2.0
* ---------------------------------------------------------------------------- */
namespace EA\Engine\Api\V1\Processors;
/**
* Minimize Processor
*
* This processor will check for the "fields" GET parameters and provide only the required fields in
* every response entry. This might come in handy when the client needs specific information and not
* the whole objects.
*
* Make sure that the response parameter is a sequential array and not a single entry by the time this
* processor is executed.
*/
class Minimize implements ProcessorsInterface {
/**
* Process Response Array
*
* Example:
* http://ea-installation.com/api/v1/appointments?fields=id,book,start,end
*
*
* @param array &$response The response array to be processed.
*/
public static function process(array &$response) {
if (!isset($_GET['fields'])) {
return;
}
$fields = explode(',', $_GET['fields']);
$temporaryResponse = [];
foreach ($response as &$entry) {
$temporaryEntry = [];
foreach ($fields as $field) {
if (isset($entry[$field])) {
$temporaryEntry[$field] = $entry[$field];
}
}
$temporaryResponse[] = $temporaryEntry;
}
$response = $temporaryResponse;
}
}