/**
* Get url for showing preview file.
* @param FileData $fileData
* @return string|null
*/
public function getDataForViewFile(FileData $fileData)
{
if (!$this->checkRequiredInputParams($fileData->toArray(), array('file'))) {
return null;
}
$seconds = (int) 300;
$deathTime = new DateTime();
$deathTime->add("+ {$seconds} seconds");
$data = array('TYPE' => ExternalLinkTable::TYPE_AUTO, 'DEATH_TIME' => $deathTime);
$specificVersionModel = $fileData->getVersion();
if ($specificVersionModel) {
$data['VERSION_ID'] = $specificVersionModel->getId();
}
$extLinkModel = $fileData->getFile()->addExternalLink($data);
if (!$extLinkModel) {
$this->errorCollection->add(array(new Error(Loc::getMessage('DISK_GOOGLE_VIEWER_HANDLER_ERROR_COULD_NOT_FIND_EXT_LINK'), self::ERROR_COULD_NOT_FIND_EXT_LINK)));
$this->errorCollection->add($fileData->getFile()->getErrors());
}
$extLink = Driver::getInstance()->getUrlManager()->getUrlExternalLink(array('hash' => $extLinkModel->getHash(), 'action' => 'download'), true);
return array('id' => $extLinkModel->getHash(), 'viewUrl' => Driver::getInstance()->getUrlManager()->generateUrlForGoogleViewer($extLink), 'neededDelete' => false, 'neededCheckView' => true);
}