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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*/
namespace Piwik\Plugins\FeatureFlags;
use Piwik\Container\StaticContainer;
use Piwik\Log\Logger;
use Piwik\Log\LoggerInterface;
class FeatureFlagManager
{
/**
* @var FeatureFlagStorageInterface[]
*/
private $storages;
/**
* @var Logger
*/
private $logger;
public function __construct(array $storages, LoggerInterface $logger)
{
$this->storages = $storages;
$this->logger = $logger;
}
/**
* @param string $featureFlag The ::class name of a class that implements FeatureFlagInterface
* @return bool
*/
public function isFeatureActive(string $featureFlag): bool
{
$featureFlagObj = $this->createFeatureFlagObjFromString($featureFlag);
if ($featureFlagObj === null) {
return false;
}
$featureActive = false;
foreach ($this->storages as $storage) {
$isActive = $storage->isFeatureActive($featureFlagObj);
if ($isActive !== null) {
$featureActive = $isActive;
}
}
return $featureActive;
}
/**
* @param string $featureFlagName
* @return void
* @internal
*/
public static function deleteFeatureFlag(string $featureFlagName): void
{
/** @var FeatureFlagStorageInterface $storage */
foreach (StaticContainer::get('featureflag.storages') as $storage) {
$storage->deleteFeatureFlag($featureFlagName);
}
}
private function createFeatureFlagObjFromString(string $featureFlag): ?FeatureFlagInterface
{
if (!is_subclass_of($featureFlag, FeatureFlagInterface::class)) {
$this->logger->debug(
'isFeatureActive failed due to class not implementing FeatureFlagInterface',
[
'featureFlag' => $featureFlag,
]
);
return null;
}
return new $featureFlag();
}
}
|
