/**
* Method returns information if currently available
* extension list might be outdated.
*
* @access public
* @see Tx_Extensionmanager_Utility_Repository_Helper::PROBLEM_NO_VERSIONS_IN_DATABASE,
* @throws ExtensionManagerException
* @return int "0" if everything is perfect, otherwise bitmask with problems
*/
public function isExtListUpdateNecessary() {
$updateNecessity = 0;
if ($this->extensionRepository->countByRepository($this->repository->getUid()) <= 0) {
$updateNecessity |= self::PROBLEM_NO_VERSIONS_IN_DATABASE;
}
if (!is_file($this->getLocalExtListFile())) {
$updateNecessity |= self::PROBLEM_EXTENSION_FILE_NOT_EXISTING;
} else {
$remotemd5 = \TYPO3\CMS\Core\Utility\GeneralUtility::getUrl($this->getRemoteExtHashFile(), 0, array(TYPO3_user_agent));
if ($remotemd5 !== FALSE) {
$localmd5 = md5_file($this->getLocalExtListFile());
if ($remotemd5 !== $localmd5) {
$updateNecessity |= self::PROBLEM_EXTENSION_HASH_CHANGED;
}
} else {
throw new ExtensionManagerException('Could not retrieve extension hash file from remote server.', 1342635016);
}
}
return $updateNecessity;
}
