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<?php
namespace MailPoet\Util;
if (!defined('ABSPATH')) exit;
use MailPoet\Config\Env;
if (!class_exists('ProgressBar', false)) {
/**
* The Progress Bar class
*
*/
class ProgressBar {
private $totalCount = 0;
private $currentCount = 0;
private $filename;
public $url;
/**
* Initialize the class and set its properties.
*
*/
public function __construct(
$progressBarId
) {
$filename = $progressBarId . '-progress.json';
$this->filename = Env::$tempPath . '/' . $filename;
$this->url = Env::$tempUrl . '/' . $filename;
$counters = $this->readProgress();
if (isset($counters->total)) {
$this->totalCount = $counters->total;
}
if (isset($counters->current)) {
$this->currentCount = $counters->current;
}
}
/**
* Get the progress file URL
*
* @return string Progress file URL
*/
public function getUrl() {
return $this->url;
}
/**
* Read the progress counters
*
* @return array|false Array of counters
*/
private function readProgress() {
if (!file_exists($this->filename)) {
return false;
}
$jsonContent = file_get_contents($this->filename);
if (is_string($jsonContent)) {
return json_decode($jsonContent);
}
return false;
}
/**
* Set the total count
*
* @param int $count Count
*/
public function setTotalCount($count) {
if (($count != $this->totalCount) || ($count == 0)) {
$this->totalCount = $count;
$this->currentCount = 0;
$this->saveProgress();
}
}
/**
* Increment the current count
*
* @param int $count Count
*/
public function incrementCurrentCount($count) {
$this->currentCount += $count;
$this->saveProgress();
}
/**
* Save the progress counters
*
*/
private function saveProgress() {
file_put_contents($this->filename, json_encode([
'total' => $this->totalCount,
'current' => $this->currentCount,
]));
}
/**
* Delete the progress file
*
*/
public function deleteProgressFile() {
unlink($this->filename);
}
}
}