fix cs & update docs

Author: DavidBadura

docs/pages/configuration.md

@@ -413,22 +413,8 @@ patchlevel_event_sourcing:
 
 ## Command Bus
 
-You can also enable and register our handlers in symfony messenger.
-These handlers allow you to use your aggregates as command handlers.
-
-```yaml
-patchlevel_event_sourcing:
-    command_bus: ~
-```
-!!! note
-
-    You can find out more about the command bus integration [here](https://event-sourcing.patchlevel.io/latest/command_bus/).
-    
-Default the handlers will be registered for all buses.
-You can also specify a specific bus.
-Before you have to define the bus in the messenger configuration.
-
-### Symfony Messenger
+You can enable the command bus integration to use your aggregates as command handlers.
+For this bundle we provide only a symfony messenger integration, so you have to define the bus in the messenger configuration.
 
 ```yaml
 framework:
@@ -437,18 +423,19 @@ framework:
         buses:
             command.bus: ~
 ```
-!!! tip
-
-    This is also useful if you have a event bus and a command bus.
-    
-And then you can specify the bus in the configuration.
+After this, you need to define the command bus in the event sourcing configuration.
+This will automatically register the aggregate handlers for the symfony messenger,
+so you can handle commands with your aggregates.
 
 ```yaml
 patchlevel_event_sourcing:
     command_bus:
         service: command.bus
 ```
+!!! note
 
+    You can find out more about the command bus and the aggregate handlers [here](https://event-sourcing.patchlevel.io/latest/command_bus/).
+    
 ## Event Bus
 
 You can enable the event bus to listen for events and messages synchronously.

src/CommandBus/SymfonyCommandBus.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Patchlevel\EventSourcingBundle\CommandBus;
 
 use Patchlevel\EventSourcing\CommandBus\CommandBus;
@@ -16,4 +18,4 @@ public function dispatch(object $command): void
     {
         $this->messageBus->dispatch($command);
     }
-}
+}

src/DependencyInjection/Configuration.php

@@ -10,7 +10,7 @@
 /**
  * @psalm-type Config = array{
  *      event_bus: array{enabled: bool, type: string, service: string},
- *      command_bus: array{enabled: bool, message_bus: string},
+ *      command_bus: array{enabled: bool, service: string},
  *      subscription: array{
  *          store: array{type: string, service: string|null},
  *          retry_strategy: array{base_delay: int, delay_factor: int, max_attempts: int},
@@ -237,7 +237,7 @@ public function getConfigTreeBuilder(): TreeBuilder
                 ->canBeEnabled()
                 ->addDefaultsIfNotSet()
                 ->children()
-                    ->scalarNode('service')->defaultNull()->end()
+                    ->scalarNode('service')->isRequired()->end()
                     ->booleanNode('register_aggregate_handlers')->defaultTrue()->end()
                 ->end()
             ->end()

src/DependencyInjection/PatchlevelEventSourcingExtension.php

@@ -137,6 +137,7 @@
 use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
 use Symfony\Component\DependencyInjection\Extension\Extension;
 use Symfony\Component\DependencyInjection\Reference;
+
 use function class_exists;
 use function sprintf;
 
@@ -235,7 +236,7 @@ private function configureCommandBus(array $config, ContainerBuilder $container)
 
             $container->setParameter(
                 'patchlevel_event_sourcing.aggregate_handlers.bus',
-                $config['command_bus']['service']
+                $config['command_bus']['service'],
             );
 
             return;
@@ -247,7 +248,7 @@ private function configureCommandBus(array $config, ContainerBuilder $container)
 
         $container->setParameter(
             'patchlevel_event_sourcing.aggregate_handlers.bus',
-            $config['aggregate_handlers']['bus']
+            $config['aggregate_handlers']['bus'],
         );
     }