public function decide(Strategy $strategy, Feature $feature, array $context = array())
{
$voter = $strategy->getVoter();
$context = !empty($context) ? $context : $this->getContext();
$context['_user'] = $this->get('_user');
$options = array_merge($strategy->getOptions(), $feature->getOptions());
if (is_callable($voter)) {
return $this->callVoter($voter, $context, $options);
} else {
if (is_string($voter)) {
$contextObj = $this->arrayToObject($context);
$optionsObj = $this->arrayToObject($options);
return $this->expressionLanguage->evaluate($voter, ['context' => $contextObj, 'options' => $optionsObj, 'user' => $this->get('_user')]);
}
}
}
public function setUp()
{
$this->registry = new Registry();
$this->feature = Feature::create('top_secret', array('enabled', 'disabled'), array('whitelist' => array('127.0.0.1', '10.0.0.5')));
$this->strategy = Strategy::create('ip_whitelist', function ($context, $options) {
return in_array($context['client_ip'], $options['whitelist']);
});
// $this->strategy = Strategy::create('ip_whitelist', 'context.client_ip in options.whitelist');
$this->registry->registerStrategy($this->strategy);
$this->registry->register($this->feature, 'ip_whitelist');
}
private function loadStrategies($registry)
{
if (!isset($this->data['strategies'])) {
return;
}
foreach ($this->data['strategies'] as $name => $config) {
// Try to find an already registered strategy
$strategy = $registry->getStrategy($name);
if (!$strategy) {
$voter = $config['voter'];
if (!is_callable($voter) && !is_string($voter)) {
throw new \RuntimeException(sprintf("Voter for strategy '%s' must be either a callable or a valid expression string.", $name));
}
$strategy = Strategy::create($name, $voter);
$registry->registerStrategy($strategy);
}
if (isset($config['options'])) {
$strategy->setOptions($config['options']);
}
}
}
public function strategy($name, $voter)
{
$strategy = Strategy::create($name, $voter);
$this->registry->registerStrategy($strategy);
return $strategy;
}