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<?php |
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namespace Zurbaev\PipelineTasks; |
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use Illuminate\Contracts\Container\Container; |
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use Illuminate\Contracts\Events\Dispatcher; |
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use Illuminate\Pipeline\Pipeline; |
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use Zurbaev\PipelineTasks\Events\PipelineTaskCompleted; |
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use Zurbaev\PipelineTasks\Events\PipelineTaskFailed; |
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use Zurbaev\PipelineTasks\Exceptions\PipelineTaskFailedException; |
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class TaskManager |
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{ |
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/** |
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* @var Container |
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*/ |
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protected $container; |
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/** |
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* TaskManager constructor. |
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* |
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* @param Container $container |
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*/ |
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public function __construct(Container $container) |
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{ |
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$this->container = $container; |
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} |
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/** |
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* Start given task. |
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* |
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* @param Task $task |
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* |
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* @return mixed |
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*/ |
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public function start(Task $task) |
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{ |
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try { |
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return $this->pipeline() |
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->send([$this->getContainer(), $task]) |
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->through($task->pipes()) |
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->via($task->pipeMethod()) |
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->then(function (array $payload) { |
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list(, $task) = $payload; |
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return $this->taskCompleted($task); |
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}); |
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} catch (PipelineTaskFailedException $e) { |
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return $this->taskFailed($task, $e); |
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} |
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} |
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/** |
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* Marks task as completed. |
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* |
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* @param Task $task |
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* |
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* @return mixed |
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*/ |
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protected function taskCompleted(Task $task) |
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{ |
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$this->fire(new PipelineTaskCompleted($task)); |
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return $task->completed(); |
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} |
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/** |
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* Marks task as failed. |
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* |
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* @param Task $task |
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* @param PipelineTaskFailedException $e |
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* |
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* @return mixed |
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*/ |
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protected function taskFailed(Task $task, PipelineTaskFailedException $e) |
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{ |
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$this->fire(new PipelineTaskFailed($task, $e)); |
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return $task->failed($e); |
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} |
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/** |
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* Get container instance. |
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* |
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* @return \Illuminate\Contracts\Container\Container |
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*/ |
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protected function getContainer() |
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{ |
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return $this->container; |
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} |
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/** |
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* Create new pipeline instance. |
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* |
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* @return Pipeline |
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*/ |
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protected function pipeline() |
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{ |
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return new Pipeline($this->getContainer()); |
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} |
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/** |
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* Fire given event. |
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* |
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* @param mixed $event |
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* |
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* @return mixed |
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*/ |
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protected function fire($event) |
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{ |
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if (!$this->hasEvents()) { |
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return false; |
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} |
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return $this->getEvents()->dispatch($event); |
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} |
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/** |
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* Determines if manager's container has events dispatcher bound. |
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* |
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* @return bool |
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*/ |
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protected function hasEvents() |
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{ |
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return $this->getContainer()->bound('events'); |
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} |
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/** |
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* Get the events dispatcher instance. |
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* |
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* @return Dispatcher |
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*/ |
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protected function getEvents() |
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{ |
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return $this->getContainer()->make('events'); |
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} |
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} |
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tzurbaev /
laravel-pipeline-tasks
