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<?php |
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namespace Spatie\EventProjector\Snapshots; |
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use Exception; |
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use Spatie\EventProjector\EventProjectionist; |
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use Illuminate\Contracts\Filesystem\Filesystem; |
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use Spatie\EventProjector\Exceptions\CouldNotCreateSnapshot; |
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use Spatie\EventProjector\Models\StoredEvent; |
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class SnapshotFactory |
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{ |
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/** @var \Spatie\EventProjector\EventProjectionist */ |
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protected $eventProjectionist; |
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/** @var \Spatie\EventProjector\Snapshots\Filesystem */ |
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protected $disk; |
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/** @var array */ |
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protected $config; |
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public function __construct(EventProjectionist $eventProjectionist, Filesystem $disk, array $config) |
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{ |
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$this->eventProjectionist = $eventProjectionist; |
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$this->disk = $disk; |
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$this->config = $config; |
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} |
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public function createForProjector(Snapshottable $projector, string $name = ''): Snapshot |
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{ |
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$lastEventId = $projector->getLastProcessedEventId(); |
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$projectorName = str_replace('\\', '+', $projector->getName()); |
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$fileName = "Snapshot---{$projectorName}---{$lastEventId}---{$name}.txt"; |
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$snapshot = new Snapshot( |
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$this->eventProjectionist, |
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$this->config, |
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$this->disk, |
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$fileName |
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); |
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try { |
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$projector->writeToSnapshot($snapshot); |
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} catch (Exception $exception) { |
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$this->attemptToDeleteSnapshot($snapshot); |
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throw CouldNotCreateSnapshot::projectorThrewExceptionDuringWritingToSnapshot($projector, $exception); |
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} |
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if (!$this->disk->exists($fileName)) { |
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throw CouldNotCreateSnapshot::projectorDidNotWriteAnythingToSnapshot($projector); |
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} |
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$this->guardAgainstInvalidSnapshot($snapshot); |
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return $snapshot; |
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} |
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public function createForFile(Filesystem $disk, string $fileName): Snapshot |
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{ |
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return new Snapshot( |
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$this->eventProjectionist, |
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$this->config, |
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$disk, |
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$fileName); |
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} |
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protected function guardAgainstInvalidSnapshot(Snapshot $snapshot) |
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{ |
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$newStoredEvents = $this->config['stored_event_model']::after($snapshot->lastProcessedEventId())->get(); |
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$newEventsHandledByProjectorOfSnapshot = $newStoredEvents |
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->filter(function (StoredEvent $storedEvent) use ($snapshot) { |
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return $snapshot->projector()->handlesEvent($storedEvent->event); |
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}); |
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if (! $newEventsHandledByProjectorOfSnapshot->isEmpty()) |
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{ |
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$this->attemptToDeleteSnapshot($snapshot); |
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throw CouldNotCreateSnapshot::newEventsStoredDuringSnapshotCreation($snapshot, $newEventsHandledByProjectorOfSnapshot); |
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} |
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} |
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protected function attemptToDeleteSnapshot(Snapshot $snapshot) |
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{ |
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try { |
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$snapshot->delete(); |
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} catch (Exception $exception) { |
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} |
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} |
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} |
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spatie /
laravel-event-projector
Loading history...
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..