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<?php |
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namespace Zenstruck\ScheduleBundle\Schedule; |
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use Symfony\Component\EventDispatcher\EventDispatcherInterface; |
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use Zenstruck\ScheduleBundle\Event\AfterScheduleEvent; |
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use Zenstruck\ScheduleBundle\Event\AfterTaskEvent; |
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use Zenstruck\ScheduleBundle\Event\BeforeScheduleEvent; |
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use Zenstruck\ScheduleBundle\Event\BeforeTaskEvent; |
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use Zenstruck\ScheduleBundle\Event\ScheduleBuildEvent; |
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use Zenstruck\ScheduleBundle\Schedule; |
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use Zenstruck\ScheduleBundle\Schedule\Exception\SkipSchedule; |
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use Zenstruck\ScheduleBundle\Schedule\Exception\SkipTask; |
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use Zenstruck\ScheduleBundle\Schedule\Extension\ExtensionHandlerRegistry; |
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use Zenstruck\ScheduleBundle\Schedule\Task\Result; |
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use Zenstruck\ScheduleBundle\Schedule\Task\TaskRunner; |
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/** |
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* @author Kevin Bond <[email protected]> |
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*/ |
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final class ScheduleRunner |
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{ |
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private $taskRunners; |
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private $extensions; |
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private $dispatcher; |
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public function __construct(iterable $taskRunners, ExtensionHandlerRegistry $handlerRegistry, EventDispatcherInterface $dispatcher) |
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{ |
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$this->taskRunners = $taskRunners; |
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$this->extensions = $handlerRegistry; |
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$this->dispatcher = $dispatcher; |
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} |
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public function __invoke(): AfterScheduleEvent |
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{ |
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$schedule = $this->buildSchedule(); |
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$beforeScheduleEvent = new BeforeScheduleEvent($schedule); |
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try { |
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$this->dispatcher->dispatch($beforeScheduleEvent); |
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$this->extensions->beforeSchedule($beforeScheduleEvent); |
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} catch (SkipSchedule $e) { |
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$afterScheduleEvent = AfterScheduleEvent::skip($e, $beforeScheduleEvent); |
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$this->dispatcher->dispatch($afterScheduleEvent); |
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return $afterScheduleEvent; |
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} |
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$results = []; |
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foreach ($schedule->due() as $task) { |
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$beforeTaskEvent = new BeforeTaskEvent($beforeScheduleEvent, $task); |
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$this->dispatcher->dispatch($beforeTaskEvent); |
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$result = $this->runTask($beforeTaskEvent); |
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$afterTaskEvent = $this->postRun($beforeTaskEvent, $result); |
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$this->dispatcher->dispatch($afterTaskEvent); |
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$results[] = $afterTaskEvent->getResult(); |
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} |
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$afterScheduleEvent = new AfterScheduleEvent($beforeScheduleEvent, $results); |
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$this->extensions->afterSchedule($afterScheduleEvent); |
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$this->dispatcher->dispatch($afterScheduleEvent); |
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return $afterScheduleEvent; |
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} |
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public function buildSchedule(): Schedule |
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{ |
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$this->dispatcher->dispatch(new ScheduleBuildEvent($schedule = new Schedule())); |
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return $schedule; |
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} |
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public function runnerFor(Task $task): TaskRunner |
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{ |
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foreach ($this->taskRunners as $runner) { |
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if ($runner->supports($task)) { |
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return $runner; |
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} |
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} |
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throw new \LogicException(\sprintf('No task runner registered to handle "%s".', \get_class($task))); |
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} |
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private function runTask(BeforeTaskEvent $event): Result |
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{ |
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$task = $event->getTask(); |
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try { |
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$this->extensions->beforeTask($event); |
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return $this->runnerFor($task)($task); |
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} catch (SkipTask $e) { |
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return $e->createResult($task); |
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} catch (\Throwable $e) { |
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return Result::exception($task, $e); |
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} |
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} |
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private function postRun(BeforeTaskEvent $event, Result $result): AfterTaskEvent |
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{ |
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$afterTaskEvent = new AfterTaskEvent($event, $result); |
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try { |
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$this->extensions->afterTask($afterTaskEvent); |
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} catch (\Throwable $e) { |
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return new AfterTaskEvent($event, Result::exception($event->getTask(), $e)); |
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} |
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return $afterTaskEvent; |
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} |
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} |
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zenstruck /
schedule-bundle
