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<?php |
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namespace SmoothPhp\LaravelAdapter\Console; |
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use Illuminate\Console\Command; |
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use Illuminate\Contracts\Config\Repository; |
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use Illuminate\Contracts\Foundation\Application; |
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use Illuminate\Database\DatabaseManager; |
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use SmoothPhp\Contracts\EventDispatcher\EventDispatcher; |
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use SmoothPhp\Contracts\Serialization\Serializer; |
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use SmoothPhp\Serialization\Exception\SerializedClassDoesNotExist; |
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/** |
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* Class RebuildProjectionsCommand |
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* @package SmoothPhp\LaravelAdapter\Console |
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* @author Simon Bennett <[email protected]> |
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*/ |
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final class RebuildProjectionsCommand extends Command |
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{ |
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/** |
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* The name and signature of the console command. |
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* |
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* @var string |
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*/ |
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protected $signature = 'smoothphp:rebuild'; |
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/** |
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* The console command description. |
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* |
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* @var string |
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*/ |
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protected $description = 'Rebuild all projection'; |
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/** @var Repository */ |
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private $config; |
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/** |
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* @var EventDispatcher |
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*/ |
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private $dispatcher; |
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/** @var DatabaseManager */ |
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private $databaseManager; |
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/** @var Serializer */ |
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private $serializer; |
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/** |
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* BuildLaravelEventStore constructor. |
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* @param Repository $config |
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* @param Application $application |
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* @param DatabaseManager $databaseManager |
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* @param Serializer $serializer |
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*/ |
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public function __construct( |
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Repository $config, |
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Application $application, |
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DatabaseManager $databaseManager, |
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Serializer $serializer |
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) { |
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parent::__construct(); |
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$this->config = $config; |
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$this->dispatcher = $application->make(EventDispatcher::class); |
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$this->databaseManager = $databaseManager; |
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$this->serializer = $serializer; |
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} |
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/** |
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* Execute the console command. |
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* |
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* @return mixed |
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*/ |
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public function handle() |
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{ |
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foreach ($this->config->get('cqrses.pre_rebuild_commands') as $preRebuildCommand) { |
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if (is_array($preRebuildCommand)) { |
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$this->call(key($preRebuildCommand), current($preRebuildCommand)); |
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} else { |
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$this->call($preRebuildCommand); |
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} |
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} |
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$this->replayEvents(); |
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foreach ($this->config->get('cqrses.post_rebuild_commands') as $postRebuildCommand) { |
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if (is_array($postRebuildCommand)) { |
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$this->call(key($postRebuildCommand), current($postRebuildCommand)); |
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} else { |
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$this->call($postRebuildCommand); |
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} |
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} |
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} |
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/** |
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* |
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*/ |
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protected function replayEvents() |
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{ |
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$eventCount = $this->getEventCount(); |
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$start = 0; |
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$take = 1000; |
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$this->output->progressStart($eventCount); |
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while ($start < $eventCount) { |
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$this->databaseManager->connection(config('database.default'))->beginTransaction(); |
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foreach ($this->getFromEventStore($start, $take) as $eventRow) { |
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$this->dispatchEvent($eventRow); |
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} |
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$this->databaseManager->connection(config('database.default'))->commit(); |
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$start += $take; |
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$this->output->progressAdvance($take); |
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} |
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$this->output->progressFinish(); |
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$this->output->write((memory_get_peak_usage(true) / 1024 / 1024) . " MiB", false); |
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} |
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/** |
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* @param $start |
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* @param $take |
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* @return \stdClass |
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*/ |
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private function getFromEventStore($start, $take) |
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{ |
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return $this->databaseManager |
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->connection($this->config->get('cqrses.eventstore_connection')) |
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->table($this->config->get('cqrses.eventstore_table')) |
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->take($take) |
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->skip($start) |
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->get(); |
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} |
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/** |
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* @return int |
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*/ |
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private function getEventCount() |
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{ |
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return $this->databaseManager |
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->connection($this->config->get('cqrses.eventstore_connection')) |
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->table($this->config->get('cqrses.eventstore_table')) |
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->count(); |
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} |
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/** |
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* @param $eventRow |
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*/ |
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protected function dispatchEvent($eventRow) |
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{ |
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$this->dispatcher->dispatch( |
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$eventRow->type, |
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[ |
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(call_user_func( |
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[ |
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str_replace('.', '\\', $eventRow->type), |
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'deserialize' |
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], |
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json_decode($eventRow->payload, true)['payload'] |
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)) |
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], |
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true |
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); |
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} |
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} |
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SmoothPhp /
CQRS-ES-Framework-Laravel
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