Decouple $includeThrowableDetail from generic debug config

docs/book/response.md

@@ -151,6 +151,23 @@ This package also provides a factory for generating the
     value is provided as the `$defaultTypesMap` parameter; see the
     [default types documentation](default-types.md) for details on defining
     this map. (Since 1.1.0.)
+  - If the service contains a `problem-details` key with an array value
+    containing a `include-throwable-details` key,
+    and that value is a boolean,
+    that value is used instead of global `debug` value for the `$includeThrowableDetail` parameter.
+    (Since 1.14.0.)
+
+### Example configuration
+
+```php
+[
+    'debug' => true,
+    'problem-details' => [
+        'json_flags' => JSON_PRETTY_PRINT,
+        'include-throwable-details' => true,
+    ]
+]
+```
 
 If any of the above config values are not present, a `null` value will be
 passed, allowing the default value to be used.

src/ProblemDetailsResponseFactoryFactory.php

@@ -20,15 +20,22 @@ public function __invoke(ContainerInterface $container): ProblemDetailsResponseF
     {
         $config = $container->has('config') ? $container->get('config') : [];
         Assert::isArrayAccessible($config);
-        $debug                  = isset($config['debug']) && is_bool($config['debug']) ? $config['debug'] : null;
-        $includeThrowableDetail = $debug ?? ProblemDetailsResponseFactory::EXCLUDE_THROWABLE_DETAILS;
+        $debug   = isset($config['debug']) && is_bool($config['debug']) ? $config['debug'] : null;
+        $debug ??= ProblemDetailsResponseFactory::EXCLUDE_THROWABLE_DETAILS;
 
         $problemDetailsConfig = $config['problem-details'] ?? [];
         Assert::isArrayAccessible($problemDetailsConfig);
+
+        $includeThrowableDetail   = isset($problemDetailsConfig['include-throwable-details'])
+            && is_bool($problemDetailsConfig['include-throwable-details'])
+            ? $problemDetailsConfig['include-throwable-details'] : null;
+        $includeThrowableDetail ??= $debug;
+
         $jsonFlags = $problemDetailsConfig['json_flags'] ?? null;
         assert($jsonFlags === null || is_int($jsonFlags));
         $defaultTypesMap = $problemDetailsConfig['default_types_map'] ?? [];
         Assert::isArray($defaultTypesMap);
+
         foreach ($defaultTypesMap as $key => $value) {
             assert(is_int($key));
             assert(is_string($value));
@@ -38,7 +45,7 @@ public function __invoke(ContainerInterface $container): ProblemDetailsResponseF
 
         return new ProblemDetailsResponseFactory(
             $this->detectResponseFactory($container),
-            $includeThrowableDetail,
+            $debug,
             $jsonFlags,
             $includeThrowableDetail,
             ProblemDetailsResponseFactory::DEFAULT_DETAIL_MESSAGE,

test/ProblemDetailsResponseFactoryFactoryTest.php

@@ -59,7 +59,7 @@ public function testLackOfConfigServiceResultsInFactoryUsingDefaults(): void
     {
         $response = $this->createMock(ResponseInterface::class);
         $response->method('withStatus')->willReturnSelf();
-        $this->container->set(ResponseInterface::class, static fn () => $response);
+        $this->container->set(ResponseInterface::class, static fn() => $response);
 
         $factoryFactory = new ProblemDetailsResponseFactoryFactory();
         $factory        = $factoryFactory($this->container);
@@ -132,4 +132,25 @@ public function testUsesDefaultTypesSettingFromConfigWhenPresent(): void
 
         self::assertSame($expectedDefaultTypes, $defaultTypesMap->getValue($factory));
     }
+
+    public function testUsesIncludeThrowableDetailsSettingFromConfigWhenPresent(): void
+    {
+        $this->container->set(
+            'config',
+            [
+                'problem-details' => [
+                    'include-throwable-details' => ProblemDetailsResponseFactory::INCLUDE_THROWABLE_DETAILS,
+                ],
+            ]
+        );
+        $this->container->set(ResponseInterface::class, static fn() => null);
+
+        $factoryFactory             = new ProblemDetailsResponseFactoryFactory();
+        $factory                    = $factoryFactory($this->container);
+        $isDebug                    = (new ReflectionObject($factory))->getProperty('isDebug');
+        $exceptionDetailsInResponse = (new ReflectionObject($factory))->getProperty('exceptionDetailsInResponse');
+
+        self::assertSame(ProblemDetailsResponseFactory::EXCLUDE_THROWABLE_DETAILS, $isDebug->getValue($factory));
+        self::assertSame(true, $exceptionDetailsInResponse->getValue($factory));
+    }
 }