MODX Regenerate Preview Minishop2

modx-regenerate-preview.php

<?php
$step = 5;
$offset = isset($_SESSION['galgenoffset']) && $_SESSION['galgenoffset'] ? $_SESSION['galgenoffset'] : 0;
$miniShop2 = $modx->getService('minishop2');
$modx->setLogLevel(MODX_LOG_LEVEL_ERROR);
$q = $modx->newQuery('msProduct');
$total = $modx->getCount('msProduct', $q);
$q->sortby('id','ASC');
$q->limit($step,$offset);
$resources = $modx->getCollection('msProduct', $q);
$q->prepare();
$q->stmt->execute();
$resources = $q->stmt->fetchAll(PDO::FETCH_ASSOC);
foreach ($resources as $resource) {
    $c = $modx->newQuery('msProductFile', array(
        'product_id' => $resource['msProduct_id'],
        'parent' => 0
    ));
    $c->prepare(); $c->stmt->execute();
    $files = $c->stmt->fetchAll(PDO::FETCH_ASSOC);
    foreach($files as $file) {
        $modx->runProcessor('mgr/gallery/generate', array('id' => $file['msProductFile_id']),
        array('processors_path' => $modx->getOption('core_path').'components/minishop2/processors/'));
    }   
}

$_SESSION['galgenoffset'] = $offset + $step;
if ($_SESSION['galgenoffset'] >= $total) {
  $sucsess = 100;
  $_SESSION['Console']['completed'] = true;
  unset($_SESSION['galgenoffset']);
} else {
  $sucsess = round($_SESSION['galgenoffset'] / $total, 2) * 100;
  $_SESSION['Console']['completed'] = false;
}
for ($i=0; $i<=100; $i++) {
    if ($i <= $sucsess) {
        print '=';
    } else {
        print '_';
    }
}
$current = $_SESSION['galgenoffset'] ?
           $_SESSION['galgenoffset'] :
           ($sucsess == 100 ? $total : 0);
print "\n";
print $sucsess.'% ('.$current.')'."\n\n";