/**
* Installs the requirements of the current package.
*
* Inserts needed package installations or updates into the package installation queue.
* Returns true, if no package installations are needed. Otherwise false.
*
* @return boolean
*/
protected function installPackageRequirements()
{
// build queue inserts
$queueInserts = '';
foreach ($this->packageArchive->getOpenRequirements() as $requirement) {
// the required package was not found
// so the installation will be canceled
if (!isset($requirement['file'])) {
if (isset($requirement['minversion']) && !empty($requirement['packageID'])) {
throw new SystemException("required package '" . $requirement['name'] . "' in needed version '" . $requirement['minversion'] . "' not found.", 13006);
} else {
throw new SystemException("required package '" . $requirement['name'] . "' not found.", 13006);
}
}
// check the given filename
if (!FileUtil::isURL($requirement['file'])) {
// filename is no url
// required package is delivered with this package
$requirement['file'] = $this->packageArchive->extractTar($requirement['file'], 'requiredPackage_');
// unzip tar
$requirement['file'] = PackageArchive::unzipPackageArchive($requirement['file']);
}
if (!empty($queueInserts)) {
$queueInserts .= ',';
}
$action = $requirement['action'];
$cancelable = $action == 'install' && $this->getAction() == 'install' ? 1 : 0;
$queueInserts .= "(" . $this->queueID . ", " . $this->processNo . ", " . WCF::getUser()->userID . ", '" . escapeString($requirement['name']) . "', " . $requirement['packageID'] . ", '" . escapeString($requirement['file']) . "', '" . $action . "', 'requirement', " . $cancelable . ")";
}
// insert needed installations or updates
if (!empty($queueInserts)) {
$sql = "INSERT INTO\twcf" . WCF_N . "_package_installation_queue\n\t\t\t\t\t\t(parentQueueID, processNo, userID, package, packageID, archive, action, packageType, cancelable)\n\t\t\t\tVALUES\t\t" . $queueInserts;
WCF::getDB()->sendQuery($sql);
return false;
}
return true;
}