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UPGRADING.md

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Upgrading

From v6 to v7

There were no changes to the public API, we only performed internal cleanup and provided support for Laravel 9

From v5 to v6

The EventHandler interface was changed:

-    public function handles(): array;
+    public function handles(StoredEvent $storedEvent): bool;

-    public function handle(StoredEvent $event);
+    public function handle(StoredEvent $storedEvent): void;

From v4 to v5

  • Stored events now have an event_version column and property. You must add this migration manually.
  • Make sure any aggregate roots with constructors call the parent __construct method
  • Event listeners in aggregate roots, projectors and reactors all rely on type hints rather than method naming. Make sure all your methods use the appropriate type hints (the method name no longer matters). $handlesEvents on Projectors and Reactors isn't supported anymore.
  • Dependency injection in handlers isn't supported anymore, use constructor injection instead
  • $storedEvent and $aggregateRootUuid are no longer passed to event handler methods. Use $event->storedEventId() and $event->aggregateRootUuid() instead. (#180)
  • The EloquentStoredEvent::query()->uuid() is now EloquentStoredEvent::query()->whereAggregateRoot()
  • AggregateRoot::$allowConcurrency is no longer supported
  • Event handlers are no longer called with app()->call() (#180)
  • See 5.0.0 release notes for all other changes

From v3 to v4

  • Projectors should not implement the Projector interface anymore. Instead, they should extend from Spatie\EventSourcing\EventHandlers\Projectors\Projector class. You don't need the use the ProjectsEvents trait anymore, as it's already applied on the base class.
  • The QueuedProjector interface does not exist anymore. If you want to queue a projector you should let it implement the marker interface lluminate\Contracts\Queue\ShouldQueue.
  • Reactors should not implement EventHandler anymore. Instead, they should extend from Spatie\EventSourcing\EventHandlers\Reactors\Reactor. In previous versions all reactors where called asynchronously via a job. If you want to keep that behavior (in most cases you'll want this), you should also let the reactor implement lluminate\Contracts\Queue\ShouldQueue.
  • All classes that revolve around the concept of stored events have been moved to the Spatie\EventSourcing\StoredEvents namespace. If you are using any of those classes, take a look inside the source code of the package what the new namespace is.
  • Aggregate roots are now in a dedicated separate namespace Spatie\EventSourcing\AggregateRoots. You should update all aggregate roots and fake aggregate roots to this namespace.
  • The ShouldBeStored interface is now an abstract base class. In all your events you should extend it now, instead of implementing it
  • the reset method has been removed on projectors, use resetState instead
  • the fake method on an aggregate root now accepts a uuid instead of an array of events. Use given to pass the events you are now passing to fake
  • the variable used to accept the event in the apply methods on aggregates is required to be named $event

From v2 to v3

  • Add an aggregate_version property to the stored_events table $table->unsignedInteger('aggregate_version')->nullable();
  • Republish the migrations or copy the create_snapshots_table migration
  • The StoredEventRepository interface has new methods called retrieveAllAfterVersion and getLatestVersion that you must implement if you have a custom repository
  • The StoredEventRepository now accepts an aggregateVersion parameter in the persist and persistMany methods
  • The StoredEventRepository has a new countAllStartingFrom method

From v1 to v2

Nothing changed, expect that where possible property types and short closures are used

From laravel-event-projector v3 to v1 of laravel-event-sourcing

The only change in this version is the naming change from laravel-event-projector to laravel-event-sourcing. There are no changes to the API.

To upgrade from v3 of laravel-event-projector you have to perform these steps:

  1. Merge the config/event-projector.php with vendor/spatie/laravel-event-sourcing/config/event-sourcing.php
  2. Rename config/event-projector.php to config/event-sourcing.php
  3. Change laravel-event-projector:v3 to laravel-event-sourcing:v1 and run composer update
  4. The namespace has changed, so you need to replace Spatie\EventProjector by Spatie\EventSourcing in your entire project