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<?php |
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namespace A17\Twill\Services\Cache; |
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use Aws\CloudFront\CloudFrontClient; |
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use Illuminate\Config\Repository as Config; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Facades\Log; |
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class CloudfrontCacheService |
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{ |
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protected $client = null; |
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/** |
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* @var Config |
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*/ |
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protected $config; |
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// Added for backwards compatibility. Should be removed in future releases. |
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protected static $defaultRegion = 'us-east-1'; |
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protected static $defaultSdkVersion = '2016-01-13'; |
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/** |
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* @return string |
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*/ |
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public static function getSdkVersion() |
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{ |
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return config('services.cloudfront.sdk_version') ?? self::$defaultSdkVersion; |
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} |
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/** |
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* @return string |
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*/ |
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public static function getRegion() |
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{ |
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return config('services.cloudfront.region') ?? self::$defaultRegion; |
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} |
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/** |
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* @return CloudFrontClient |
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*/ |
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public static function getClient() |
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{ |
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$cloudFront = new CloudFrontClient(array( |
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'region' => self::getRegion(), |
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'version' => self::getSdkVersion(), |
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'credentials' => array( |
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'key' => config('services.cloudfront.key'), |
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'secret' => config('services.cloudfront.secret'), |
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), |
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)); |
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return $cloudFront; |
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} |
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/** |
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* @param Config $config |
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*/ |
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public function __construct(Config $config) |
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{ |
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$this->config = $config; |
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$client = static::getClient(); |
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if (is_object($client)) { |
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$this->client = $client; |
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} |
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} |
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/** |
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* @param string[] $urls |
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* @return void |
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*/ |
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public function invalidate($urls = ["/*"]) |
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{ |
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if (!$this->hasInProgressInvalidation()) { |
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try { |
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$this->createInvalidationRequest($urls); |
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} catch (\Exception $e) { |
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Log::debug('Cloudfront invalidation request failed'); |
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} |
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} else { |
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Log::debug('Cloudfront : there are already some invalidations in progress'); |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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private function hasInProgressInvalidation() |
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{ |
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$list = $this->client->listInvalidations(array('DistributionId' => $this->config->get('services.cloudfront.distribution')))->get('InvalidationList'); |
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if (isset($list['Items']) && !empty($list['Items'])) { |
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return Collection::make($list['Items'])->where('Status', 'InProgress')->count() > 0; |
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} |
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return false; |
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} |
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/** |
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* @param array $paths |
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* @return \Aws\Result |
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*/ |
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private function createInvalidationRequest($paths = array()) |
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{ |
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if (is_object($this->client) && count($paths) > 0) { |
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try { |
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$result = $this->client->createInvalidation(array( |
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'DistributionId' => $this->config->get('services.cloudfront.distribution'), |
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'InvalidationBatch' => array( |
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'Paths' => array( |
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'Quantity' => count($paths), |
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'Items' => $paths, |
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), |
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'CallerReference' => time(), |
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), |
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)); |
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} catch (\Exception $e) { |
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Log::debug('Cloudfront invalidation request failed'); |
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} |
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return $result; |
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} |
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} |
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} |
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area17 /
twill
