From b337c8dc9a52ad0b2a8b7d090ec87dcf9838e215 Mon Sep 17 00:00:00 2001
From: Priyadi Iman Nurcahyo <1102197+priyadi@users.noreply.github.com>
Date: Fri, 9 Feb 2024 00:41:42 +0700
Subject: [PATCH] feat(`ObjectToObjectMetadata`): Store the reason if the
 object cannot use proxy.

---
 CHANGELOG.md                                  |  2 ++
 .../ObjectToObjectMetadataFactory.php         |  3 +-
 .../ObjectToObjectMetadata.php                | 30 ++++++++++++++++++-
 .../Exception/ProxyNotSupportedException.php  | 11 ++++++-
 4 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 16455243..8324c962 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,8 @@
 ## 0.7.3
 
 * test: Add tests for read-only targets.
+* feat(`ObjectToObjectMetadata`): Store the reason if the object cannot use
+  proxy.
 
 ## 0.7.2
 
diff --git a/src/Transformer/ObjectToObjectMetadata/Implementation/ObjectToObjectMetadataFactory.php b/src/Transformer/ObjectToObjectMetadata/Implementation/ObjectToObjectMetadataFactory.php
index f62bdcbd..b88dd153 100644
--- a/src/Transformer/ObjectToObjectMetadata/Implementation/ObjectToObjectMetadataFactory.php
+++ b/src/Transformer/ObjectToObjectMetadata/Implementation/ObjectToObjectMetadataFactory.php
@@ -347,7 +347,8 @@ public function createObjectToObjectMetadata(
             $objectToObjectMetadata = $objectToObjectMetadata
                 ->withTargetProxy($proxySpecification, $skippedProperties);
         } catch (ProxyNotSupportedException $e) {
-            // do nothing
+            $objectToObjectMetadata = $objectToObjectMetadata
+                ->withReasonCannotUseProxy($e->getReason());
         }
 
         return $objectToObjectMetadata;
diff --git a/src/Transformer/ObjectToObjectMetadata/ObjectToObjectMetadata.php b/src/Transformer/ObjectToObjectMetadata/ObjectToObjectMetadata.php
index d7f2fc95..71baaf1c 100644
--- a/src/Transformer/ObjectToObjectMetadata/ObjectToObjectMetadata.php
+++ b/src/Transformer/ObjectToObjectMetadata/ObjectToObjectMetadata.php
@@ -68,6 +68,7 @@ public function __construct(
         private ?string $targetProxyClass = null,
         private ?string $targetProxyCode = null,
         private array $targetProxySkippedProperties = [],
+        private ?string $cannotUseProxyReason = null,
     ) {
         $constructorPropertyMappings = [];
         $lazyPropertyMappings = [];
@@ -116,7 +117,29 @@ public function withTargetProxy(
             $this->targetReadOnly,
             $proxySpecification->getClass(),
             $proxySpecification->getCode(),
-            $targetProxySkippedProperties
+            $targetProxySkippedProperties,
+            cannotUseProxyReason: null
+        );
+    }
+
+    public function withReasonCannotUseProxy(
+        string $reason
+    ): self {
+        return new self(
+            $this->sourceClass,
+            $this->targetClass,
+            $this->providedTargetClass,
+            $this->allPropertyMappings,
+            $this->instantiable,
+            $this->cloneable,
+            $this->initializableTargetPropertiesNotInSource,
+            $this->sourceModifiedTime,
+            $this->targetModifiedTime,
+            $this->targetReadOnly,
+            null,
+            null,
+            [],
+            cannotUseProxyReason: $reason,
         );
     }
 
@@ -259,4 +282,9 @@ public function isTargetReadOnly(): bool
     {
         return $this->targetReadOnly;
     }
+
+    public function getCannotUseProxyReason(): ?string
+    {
+        return $this->cannotUseProxyReason;
+    }
 }
diff --git a/src/Transformer/Proxy/Exception/ProxyNotSupportedException.php b/src/Transformer/Proxy/Exception/ProxyNotSupportedException.php
index 99a39e01..31f8e858 100644
--- a/src/Transformer/Proxy/Exception/ProxyNotSupportedException.php
+++ b/src/Transformer/Proxy/Exception/ProxyNotSupportedException.php
@@ -18,7 +18,9 @@
 
 class ProxyNotSupportedException extends RuntimeException
 {
-    public function __construct(ObjectToObjectMetadata $metadata, \Throwable $previous = null)
+    private string $reason;
+
+    public function __construct(ObjectToObjectMetadata $metadata, \Throwable $previous)
     {
         parent::__construct(
             sprintf(
@@ -28,5 +30,12 @@ public function __construct(ObjectToObjectMetadata $metadata, \Throwable $previo
             ),
             previous: $previous
         );
+
+        $this->reason = $previous->getMessage();
+    }
+
+    public function getReason(): string
+    {
+        return $this->reason;
     }
 }