[DependnecyInjection] Add #[AutowireMethodOf] attribute to autowire a method of a service as a callable

nicolas-grekas · nicolas-grekas · commit d6df1226b148 · 2024-02-20T14:38:14.000-05:00
diff --git a/src/Symfony/Component/DependencyInjection/Attribute/AutowireMethodOf.php b/src/Symfony/Component/DependencyInjection/Attribute/AutowireMethodOf.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Attribute;
+
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\TypedReference;
+
+/**
+ * Tells which method should be turned into a Closure based on the name of the parameter it's attached to.
+ */
+#[\Attribute(\Attribute::TARGET_PARAMETER)]
+class AutowireMethodOf extends AutowireCallable
+{
+    /**
+     * @param string            $service The service containing the method to autowire
+     * @param bool|class-string $lazy    Whether to use lazy-loading for this argument
+     */
+    public function __construct(string $service, bool|string $lazy = false) {
+
+        parent::__construct($service, lazy: $lazy);
+    }
+
+    public function buildDefinition(mixed $value, ?string $type, \ReflectionParameter $parameter): Definition
+    {
+        $value = class_exists($value) ? new TypedReference($value, $value) : new Reference($value);
+
+        return parent::buildDefinition([$value, $parameter->name], $type, $parameter);
+    }
+}
diff --git a/src/Symfony/Component/DependencyInjection/CHANGELOG.md b/src/Symfony/Component/DependencyInjection/CHANGELOG.md
@@ -8,6 +8,7 @@ CHANGELOG
  * Add argument `$prepend` to `ContainerConfigurator::extension()` to prepend the configuration instead of appending it
  * Have `ServiceLocator` implement `ServiceCollectionInterface`
  * Add `#[Lazy]` attribute as shortcut for `#[Autowire(lazy: [bool|string])]` and `#[Autoconfigure(lazy: [bool|string])]`
+ * Add `#[AutowireMethodOf]` attribute to autowire a method of a service as a callable
 
 7.0
 ---
