<?php

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/*

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* This file is part of the ManageWP Worker plugin.

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*

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* (c) ManageWP LLC <contact@managewp.com>

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*

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* For the full copyright and license information, please view the LICENSE

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* file that was distributed with this source code.

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*/

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abstract class MWP_Progress_Abstract implements MWP_Progress_CurlCallbackInterface

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{

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private $threshold;

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private $lastYield;

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protected function getThreshold()

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{

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return $this->threshold;

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}

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protected function setThreshold($threshold)

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{

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$this->threshold = $threshold;

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}

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protected function yieldCallback()

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{

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if (time() - $this->lastYield >= $this->threshold) {

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$this->lastYield = time();

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return true;

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}

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return false;

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}

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protected function formatBytes($bytes)

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{

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$bytes = (int) $bytes;

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if ($bytes > 1024 * 1024 * 1024) {

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return round($bytes / 1024 / 1024 / 1024, 2).' GB';

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} elseif ($bytes > 1024 * 1024) {

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return round($bytes / 1024 / 1024, 2).' MB';

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} elseif ($bytes > 1024) {

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return round($bytes / 1024, 2).' KB';

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}

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return $bytes.' B';

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}

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protected function calculateOffset($curl)

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{

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/** @handled function */

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$info = curl_getinfo($curl);

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$url = parse_url($info['url']);

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if (!isset($url['query'])) {

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return 0;

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}

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parse_str($url['query'], $query);

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if (!isset($query['offset'])) {

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return 0;

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}

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return (int) $query['offset'];

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}

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public function getCallback()

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{

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return array($this, 'callback');

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}

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}

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