From 93cf6805e45e55c35214e90dec23d34360fdf680 Mon Sep 17 00:00:00 2001
From: Farhad Safarov <farhad.safarov@gmail.com>
Date: Fri, 10 Nov 2023 09:10:57 +0300
Subject: [PATCH 1/2] Handle UnusedClass false positive

---
 src/Handler/ContainerHandler.php | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/Handler/ContainerHandler.php b/src/Handler/ContainerHandler.php
index a4ce5a8..b49acbc 100644
--- a/src/Handler/ContainerHandler.php
+++ b/src/Handler/ContainerHandler.php
@@ -9,8 +9,10 @@
 use Psalm\CodeLocation;
 use Psalm\IssueBuffer;
 use Psalm\Plugin\EventHandler\AfterClassLikeVisitInterface;
+use Psalm\Plugin\EventHandler\AfterCodebasePopulatedInterface;
 use Psalm\Plugin\EventHandler\AfterMethodCallAnalysisInterface;
 use Psalm\Plugin\EventHandler\Event\AfterClassLikeVisitEvent;
+use Psalm\Plugin\EventHandler\Event\AfterCodebasePopulatedEvent;
 use Psalm\Plugin\EventHandler\Event\AfterMethodCallAnalysisEvent;
 use Psalm\SymfonyPsalmPlugin\Issue\NamingConventionViolation;
 use Psalm\SymfonyPsalmPlugin\Issue\PrivateService;
@@ -20,7 +22,7 @@
 use Psalm\Type\Union;
 use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
 
-class ContainerHandler implements AfterMethodCallAnalysisInterface, AfterClassLikeVisitInterface
+class ContainerHandler implements AfterMethodCallAnalysisInterface, AfterClassLikeVisitInterface, AfterCodebasePopulatedInterface
 {
     private const GET_CLASSLIKES = [
         'Psr\Container\ContainerInterface',
@@ -165,6 +167,19 @@ public static function afterClassLikeVisit(AfterClassLikeVisitEvent $event)
         }
     }
 
+    public static function afterCodebasePopulated(AfterCodebasePopulatedEvent $event): void
+    {
+        $containerClassNames = array_map(function (string $className): string {
+            return strtolower($className);
+        }, self::$containerMeta->getClassNames());
+
+        foreach ($event->getCodebase()->classlike_storage_provider->getAll() as $name => $storage) {
+            if (in_array($name, $containerClassNames, true)) {
+                $storage->suppressed_issues[] = 'UnusedClass';
+            }
+        }
+    }
+
     public static function isContainerMethod(string $declaringMethodId, string $methodName): bool
     {
         return in_array(

From 9a9a90c4d80c79866d3e041535fd09b844c57543 Mon Sep 17 00:00:00 2001
From: Farhad Safarov <farhad.safarov@gmail.com>
Date: Fri, 10 Nov 2023 10:07:29 +0300
Subject: [PATCH 2/2] skip if container xml is not provided

---
 src/Handler/ContainerHandler.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Handler/ContainerHandler.php b/src/Handler/ContainerHandler.php
index b49acbc..cdc19d0 100644
--- a/src/Handler/ContainerHandler.php
+++ b/src/Handler/ContainerHandler.php
@@ -169,6 +169,10 @@ public static function afterClassLikeVisit(AfterClassLikeVisitEvent $event)
 
     public static function afterCodebasePopulated(AfterCodebasePopulatedEvent $event): void
     {
+        if (null === self::$containerMeta) {
+            return;
+        }
+
         $containerClassNames = array_map(function (string $className): string {
             return strtolower($className);
         }, self::$containerMeta->getClassNames());