private function createGenerateKeysSetting()
{
$this->generateKeys = new SystemSetting('generateKeys', Piwik::translate('LoginEncrypted_SettingsGenerateKeysTitle'));
$this->generateKeys->readableByCurrentUser = true;
$this->generateKeys->type = static::TYPE_BOOL;
$this->generateKeys->uiControlType = static::CONTROL_CHECKBOX;
$this->generateKeys->description = Piwik::translate('LoginEncrypted_SettingsGenerateKeysDescription');
$this->generateKeys->defaultValue = false;
$this->generateKeys->transform = function ($value, $setting) {
// check if check box got activated, and generate keys if so
if ($value != $setting->defaultValue) {
$publickey = Crypto::generateKeys($this->keyLength->getValue());
$this->publicKey->setValue($publickey['e'] . ', ' . $publickey['n']);
}
return $setting->defaultValue;
// reset checkbox
};
$this->addSetting($this->generateKeys);
}
public function setValue($value)
{
$newNumWorkers = $value;
$oldNumWorkers = $this->getValue();
parent::setValue($value);
if ($newNumWorkers && $oldNumWorkers) {
try {
$manager = Factory::makeQueueManager(Factory::makeBackend());
$manager->setNumberOfAvailableQueues($newNumWorkers);
$manager->moveSomeQueuesIfNeeded($newNumWorkers, $oldNumWorkers);
} catch (\Exception $e) {
// it is ok if this fails. then it is most likely not enabled etc.
}
}
}
