Add support for enums in route parameter

Author: Bear.Y

src/Support/OperationExtensions/RequestEssentialsExtension.php

@@ -204,9 +204,13 @@ private function getRoutePathParameters(Route $route, ?PhpDocNode $methodPhpDocN
                 'string' => new StringType(),
                 'bool' => new BooleanType(),
             ];
-            $schemaType = $type ? ($schemaTypesMap[$type] ?? new IntegerType) : new StringType;
 
-            $isModelId = $type && ! isset($schemaTypesMap[$type]);
+            $isEnum = function_exists('enum_exists') && enum_exists($type);
+            $schemaType = $isEnum
+                ? $this->openApiTransformer->transform(new ObjectType($type))
+                : ($type ? ($schemaTypesMap[$type] ?? new IntegerType) : new StringType);
+
+            $isModelId = $type && !$isEnum && !isset($schemaTypesMap[$type]);
 
             if ($isModelId) {
                 [$schemaType, $description] = $this->getModelIdTypeAndDescription($schemaType, $type, $paramName, $description, $route->bindingFields()[$paramName] ?? null);

tests/Support/OperationExtensions/RequestEssentialsExtensionTest.php

@@ -1,6 +1,7 @@
 <?php
 
 use Dedoc\Scramble\Tests\Files\SampleUserModel;
+use Dedoc\Scramble\Tests\Files\Status;
 use Illuminate\Support\Facades\Route as RouteFacade;
 
 it('uses getRouteKeyName to determine model route key type', function () {
@@ -78,3 +79,17 @@ public function foo(SampleUserModel $user)
     {
     }
 }
+it('handles enum in route parameter', function () {
+    $openApiDocument = generateForRoute(function () {
+        return RouteFacade::get('api/test/{status}', [EnumParameter_RequestEssentialsExtensionTest_Controller::class, 'foo']);
+    });
+
+    expect($openApiDocument['paths']['/test/{status}']['get']['parameters'][0])
+        ->toHaveKey('schema.$ref', '#/components/schemas/Status');
+});
+class EnumParameter_RequestEssentialsExtensionTest_Controller
+{
+    public function foo(Status $status)
+    {
+    }
+}