Introduce BadRequestException to handle 400 Bad Request responses.

Author: oesteve

src/platform/src/Bridge/OpenAi/Gpt/ResultConverter.php

@@ -13,6 +13,7 @@
 
 use Symfony\AI\Platform\Bridge\OpenAi\Gpt;
 use Symfony\AI\Platform\Exception\AuthenticationException;
+use Symfony\AI\Platform\Exception\BadRequestException;
 use Symfony\AI\Platform\Exception\ContentFilterException;
 use Symfony\AI\Platform\Exception\RateLimitExceededException;
 use Symfony\AI\Platform\Exception\RuntimeException;
@@ -52,7 +53,7 @@ public function convert(RawResultInterface|RawHttpResult $result, array $options
 
         if (400 === $response->getStatusCode()) {
             $errorMessage = json_decode($response->getContent(false), true)['error']['message'] ?? 'Bad Request';
-            throw new RuntimeException($errorMessage);
+            throw new BadRequestException($errorMessage);
         }
 
         if (429 === $response->getStatusCode()) {

src/platform/src/Exception/BadRequestException.php

@@ -0,0 +1,19 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\AI\Platform\Exception;
+
+/**
+ * @author Oscar Esteve <[email protected]>
+ */
+class BadRequestException extends RuntimeException
+{
+}

src/platform/tests/Bridge/OpenAi/Gpt/ResultConverterTest.php

@@ -14,6 +14,7 @@
 use PHPUnit\Framework\TestCase;
 use Symfony\AI\Platform\Bridge\OpenAi\Gpt\ResultConverter;
 use Symfony\AI\Platform\Exception\AuthenticationException;
+use Symfony\AI\Platform\Exception\BadRequestException;
 use Symfony\AI\Platform\Exception\ContentFilterException;
 use Symfony\AI\Platform\Exception\RuntimeException;
 use Symfony\AI\Platform\Result\ChoiceResult;
@@ -197,7 +198,7 @@ public function testThrowsExceptionForUnsupportedFinishReason()
         $converter->convert(new RawHttpResult($httpResponse));
     }
 
-    public function testThrowsRuntimeExceptionOnBadRequest()
+    public function testThrowsBadRequestExceptionOnBadRequestResponse()
     {
         $converter = new ResultConverter();
         $httpResponse = self::createMock(ResponseInterface::class);
@@ -208,7 +209,7 @@ public function testThrowsRuntimeExceptionOnBadRequest()
             ],
         ]));
 
-        $this->expectException(RuntimeException::class);
+        $this->expectException(BadRequestException::class);
         $this->expectExceptionMessage('Bad Request: invalid parameters');
 
         $converter->convert(new RawHttpResult($httpResponse));