/**
* Make a thumb image.
*
* @internal
*/
public function thumb()
{
$this->width = Request::getIntParam('width', 100);
$this->height = Request::getIntParam('height', 100);
$this->cropimage = Request::getBoolParam('cropimage', false);
$this->processing = true;
$this->stats_disable = true;
$this->path_sendfile = sprintf(Application::$CACHE_ROOT . 'thumb/%s/%s_%sx%s.thumb', $this->sid[0], $this->sid, $this->width, $this->height);
$this->download();
}
/**
* Builds transactions about command executions and catches \Exceptions, set error messages and redirects to
* bypass form re-submit of data. Specific actions are defined in handleCommand. Use class property 'atomic' to
* disable cmd wide transactions
*
* @internal
*
* @param string $cmd
*
* @throws exception\ControllerException|\Exception|exception\NotAuthorizedException
*/
protected final function executeCommand($cmd)
{
$this->command = $cmd;
if ($this->isJSON && Request::getBoolParam('json_blacklist')) {
self::sendInternalError();
}
try {
if ($this->atomic) {
DBConnection::getInstance()->beginTransaction();
}
// call command
if (method_exists($this, $cmd) === false) {
Logger::getInstance()->error(_s('method %s::%s does not exist.', get_class($this), $cmd));
throw new exception\ControllerException(_s('Die Aktion konnte nicht ausgeführt werden.'));
}
$this->{$cmd}();
if ($this->atomic) {
DBConnection::getInstance()->commit();
}
} catch (exception\InvalidParameterException $e) {
$this->error(_s('Die folgenden Angaben sind unvollständig:'));
foreach ($e->getParameters() as $param) {
$this->error($param['description'], $param['name']);
}
} catch (exception\ControllerException $e) {
$this->error($e->getMessage());
} catch (exception\NotAuthorizedException $e) {
if (DBConnection::getInstance()->inTransaction()) {
DBConnection::getInstance()->rollBack();
}
throw $e;
} catch (exception\UnexpectedIntegrityConstraintViolationException $e) {
$this->error(_s('Integritätsprüfung fehlgeschlagen.'));
} catch (\Exception $e) {
Logger::getInstance()->exception($e);
$this->error(_s('Fehler beim ausführen der Aktion.: ') . $e->getMessage());
}
// by default, guess it failed and roll back the queries
if (DBConnection::getInstance()->inTransaction()) {
DBConnection::getInstance()->rollBack();
}
}
