public function maintenanceCleanUp()
{
$conf["document"] = Config::getSystemConfig()->documents->versions;
$conf["asset"] = Config::getSystemConfig()->assets->versions;
$conf["object"] = Config::getSystemConfig()->objects->versions;
$elementTypes = [];
foreach ($conf as $elementType => $tConf) {
if (intval($tConf->days) > 0) {
$versioningType = "days";
$value = intval($tConf->days);
} else {
$versioningType = "steps";
$value = intval($tConf->steps);
}
if ($versioningType) {
$elementTypes[] = ["elementType" => $elementType, $versioningType => $value];
}
}
$ignoredIds = [];
while (true) {
$versions = $this->getDao()->maintenanceGetOutdatedVersions($elementTypes, $ignoredIds);
if (count($versions) == 0) {
break;
}
$counter = 0;
Logger::debug("versions to check: " . count($versions));
if (is_array($versions) && !empty($versions)) {
$totalCount = count($versions);
foreach ($versions as $index => $id) {
try {
$version = Version::getById($id);
} catch (\Exception $e) {
$ignoredIds[] = $id;
Logger::debug("Version with " . $id . " not found\n");
continue;
}
$counter++;
// do not delete public versions
if ($version->getPublic()) {
$ignoredIds[] = $version->getId();
continue;
}
if ($version->getCtype() == "document") {
$element = Document::getById($version->getCid());
} elseif ($version->getCtype() == "asset") {
$element = Asset::getById($version->getCid());
} elseif ($version->getCtype() == "object") {
$element = Object::getById($version->getCid());
}
if ($element instanceof ElementInterface) {
Logger::debug("currently checking Element-ID: " . $element->getId() . " Element-Type: " . Element\Service::getElementType($element) . " in cycle: " . $counter . "/" . $totalCount);
if ($element->getModificationDate() >= $version->getDate()) {
// delete version if it is outdated
Logger::debug("delete version: " . $version->getId() . " because it is outdated");
$version->delete();
} else {
$ignoredIds[] = $version->getId();
Logger::debug("do not delete version (" . $version->getId() . ") because version's date is newer than the actual modification date of the element. Element-ID: " . $element->getId() . " Element-Type: " . Element\Service::getElementType($element));
}
} else {
// delete version if the corresponding element doesn't exist anymore
Logger::debug("delete version (" . $version->getId() . ") because the corresponding element doesn't exist anymore");
$version->delete();
}
// call the garbage collector if memory consumption is > 100MB
if (memory_get_usage() > 100000000) {
\Pimcore::collectGarbage();
}
}
}
}
}