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<?php
/**
* Piwik - free/libre analytics platform
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Plugins\CustomPiwikJs;
use Piwik\Plugins\CustomPiwikJs\TrackingCode\PiwikJsManipulator;
use Piwik\Plugins\CustomPiwikJs\TrackingCode\PluginTrackerFiles;
/**
* Updates the Javascript file containing the Tracker.
*/
class TrackerUpdater
{
const DEVELOPMENT_PIWIK_JS = '/js/piwik.js';
const ORIGINAL_PIWIK_JS = '/js/piwik.min.js';
const TARGET_PIWIK_JS = '/piwik.js';
/**
* @var File
*/
private $fromFile;
/**
* @var File
*/
private $toFile;
private $trackerFiles = array();
/**
* @param string|null $fromFile If null then the minified JS tracker file in /js fill be used
* @param string|null $toFile If null then the minified JS tracker will be updated.
*/
public function __construct($fromFile = null, $toFile = null)
{
if (!isset($fromFile)) {
$fromFile = PIWIK_DOCUMENT_ROOT . self::ORIGINAL_PIWIK_JS;
}
if (!isset($toFile)) {
$toFile = PIWIK_DOCUMENT_ROOT . self::TARGET_PIWIK_JS;
}
$this->fromFile = new File($fromFile);
$this->toFile = new File($toFile);
$this->trackerFiles = new PluginTrackerFiles();
}
public function setTrackerFiles(PluginTrackerFiles $trackerFiles)
{
$this->trackerFiles = $trackerFiles;
}
public function checkWillSucceed()
{
$this->fromFile->checkReadable();
$this->toFile->checkWritable();
}
public function update()
{
if (!$this->toFile->hasWriteAccess() || !$this->fromFile->hasReadAccess()) {
return;
}
$trackingCode = new PiwikJsManipulator($this->fromFile->getContent(), $this->trackerFiles);
$newContent = $trackingCode->manipulateContent();
if ($newContent !== $this->toFile->getContent()) {
$this->toFile->save($newContent);
}
}
}
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