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<?php |
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/* |
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* This file is part of the Backup package, an RunOpenCode project. |
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* |
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* (c) 2015 RunOpenCode |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* This project is fork of "kbond/php-backup", for full credits info, please |
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* view CREDITS file that was distributed with this source code. |
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*/ |
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namespace RunOpenCode\Backup\Workflow; |
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use Psr\Log\LoggerInterface; |
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use RunOpenCode\Backup\Backup\Backup; |
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use RunOpenCode\Backup\Contract\BackupInterface; |
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use RunOpenCode\Backup\Contract\EventDispatcherAwareInterface; |
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use RunOpenCode\Backup\Contract\LoggerAwareInterface; |
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use RunOpenCode\Backup\Contract\ProfileInterface; |
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use RunOpenCode\Backup\Contract\WorkflowActivityInterface; |
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use RunOpenCode\Backup\Contract\WorkflowInterface; |
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use RunOpenCode\Backup\Event\BackupEvent; |
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use RunOpenCode\Backup\Event\BackupEvents; |
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use RunOpenCode\Backup\Event\EventDispatcherAwareTrait; |
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use RunOpenCode\Backup\Exception\EmptySourceException; |
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use RunOpenCode\Backup\Log\LoggerAwareTrait; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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/** |
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* Class Workflow |
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* |
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* Workflow is entry point of backup workflow that executes workflow activities in given sequence. |
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* |
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* @package RunOpenCode\Backup\Workflow |
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*/ |
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class Workflow implements WorkflowInterface |
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{ |
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use EventDispatcherAwareTrait; |
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use LoggerAwareTrait; |
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/** |
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* @var WorkflowActivityInterface[] |
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*/ |
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private $activities; |
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public function __construct(array $activities) |
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{ |
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$this->activities = $activities; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function execute(ProfileInterface $profile) |
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{ |
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if (empty($this->eventDispatcher) || empty($this->logger)) { |
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throw new \LogicException('Workflow can not be executed without provided Logger and EventDispatcher.'); |
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} |
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$backup = new Backup($profile->getName()); |
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$this->logger->info(sprintf('About to execute backup for profile: "%s".', $profile->getName())); |
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$this->eventDispatcher->dispatch(BackupEvents::BEGIN, new BackupEvent($this, $profile, $backup)); |
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$terminate = function() use ($profile) { |
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try { |
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$this->eventDispatcher->dispatch(BackupEvents::TERMINATE, new BackupEvent($profile)); |
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$this->logger->info(sprintf('Backup for profile "%s" successfully terminated.', $profile->getName())); |
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} catch (\Exception $e) { |
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$this->logger->alert(sprintf('Could not terminate backup process for profile "%s".', $profile->getName())); |
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} |
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}; |
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\Closure::bind($terminate, $this); |
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try { |
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/** |
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* @var WorkflowActivityInterface $activity |
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*/ |
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foreach ($this->activities as $activity) { |
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$this->executeActivity($activity, $profile, $backup); |
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} |
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$terminate(); |
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} catch (EmptySourceException $e) { |
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$this->logger->info(sprintf('Backup for profile "%s" didn\'t yield any file for backup.', $profile->getName())); |
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$terminate(); |
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} catch (\Exception $e) { |
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$this->eventDispatcher->dispatch(BackupEvents::ERROR, new BackupEvent($this, $profile)); |
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$this->logger->critical(sprintf('There has been an error while executing backup profile "%s".', $profile->getName()), array( |
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'message' => $e->getMessage(), |
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'code' => $e->getCode(), |
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'file' => $e->getFile(), |
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'line' => $e->getLine(), |
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'trace' => $e->getTrace() |
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)); |
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$terminate(); |
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} |
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} |
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/** |
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* Execute workflow activity. |
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* |
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* @param WorkflowActivityInterface $activity Activity to execute. |
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* @param ProfileInterface $profile Profile for which activity is being executed. |
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* @param BackupInterface $backup Backup for which activity is being executed. |
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* |
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* @throws \Exception |
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*/ |
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protected function executeActivity(WorkflowActivityInterface $activity, ProfileInterface $profile, BackupInterface $backup) |
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{ |
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$activity |
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->setBackup($backup) |
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->setProfile($profile); |
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/** |
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* @var LoggerAwareInterface $activity |
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*/ |
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if ($activity instanceof LoggerAwareInterface) { |
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$activity->setLogger($this->logger); |
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} |
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/** |
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* @var EventDispatcherAwareInterface $activity |
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*/ |
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if ($activity instanceof EventDispatcherAwareInterface) { |
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$activity->setEventDispatcher($this->eventDispatcher); |
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} |
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try { |
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/** |
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* @var WorkflowActivityInterface $activity |
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*/ |
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$activity->execute(); |
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} catch (\Exception $e) { |
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$this->eventDispatcher->dispatch(BackupEvents::ERROR, new BackupEvent($this, $profile, $backup, $activity)); |
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throw $e; |
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} |
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} |
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/** |
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* Builds default workflow. |
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* |
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* @return Workflow |
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*/ |
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public static function build() |
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{ |
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return new Workflow(array( |
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new Fetch(), |
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new Process(), |
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new Name(), |
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new PreRotate(), |
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new Push(), |
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new PostRotate() |
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)); |
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} |
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} |
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RunOpenCode /
backup
