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<?php |
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namespace Spatie\EventSourcing\Console; |
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use Exception; |
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use Illuminate\Console\Command; |
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use Illuminate\Support\Collection; |
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use Spatie\EventSourcing\Projectionist; |
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use Spatie\EventSourcing\StoredEventRepository; |
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class ReplayCommand extends Command |
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{ |
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protected $signature = 'event-sourcing:replay {projector?*} |
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{--from=0 : Replay events starting from this event number} |
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{--stored-event-model= : Replay events from this store}'; |
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protected $description = 'Replay stored events'; |
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protected Projectionist $projectionist; |
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public function __construct(Projectionist $projectionist) |
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{ |
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parent::__construct(); |
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$this->projectionist = $projectionist; |
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} |
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public function handle(): void |
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{ |
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$projectors = $this->selectProjectors($this->argument('projector')); |
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if (is_null($projectors)) { |
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$this->warn('No events replayed!'); |
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return; |
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} |
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$this->replay($projectors, $this->option('from')); |
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} |
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public function selectProjectors(array $projectorClassNames): ?Collection |
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{ |
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if (count($projectorClassNames ?? []) === 0) { |
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if (! $confirmed = $this->confirm('Are you sure you want to replay events to all projectors?', true)) { |
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return null; |
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} |
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return $this->projectionist->getProjectors(); |
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} |
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return collect($projectorClassNames) |
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->map(fn(string $projectorName) => ltrim($projectorName, '\\')) |
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->map(function (string $projectorName) { |
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if (! $projector = $this->projectionist->getProjector($projectorName)) { |
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throw new Exception("Projector {$projectorName} not found. Did you register it?"); |
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} |
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return $projector; |
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}); |
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} |
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public function replay(Collection $projectors, int $startingFrom): void |
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{ |
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$repository = app(StoredEventRepository::class); |
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$events = $repository->retrieveAllStartingFrom($startingFrom); |
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$replayCount = $events->count(); |
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if ($replayCount === 0) { |
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$this->warn('There are no events to replay'); |
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return; |
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} |
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$this->comment("Replaying {$replayCount} events..."); |
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$bar = $this->output->createProgressBar($events->count()); |
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$onEventReplayed = function () use ($bar) { |
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$bar->advance(); |
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}; |
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$this->projectionist->replay($projectors, $startingFrom, $onEventReplayed); |
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$bar->finish(); |
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$this->emptyLine(2); |
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$this->comment('All done!'); |
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} |
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private function emptyLine(int $amount = 1): void |
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{ |
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foreach (range(1, $amount) as $i) { |
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$this->line(''); |
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} |
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} |
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} |
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spatie /
laravel-event-sourcing
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