Improved default documentation for explicitly bound route params

src/Support/OperationExtensions/RequestEssentialsExtension.php

@@ -244,7 +244,8 @@ private function getRoutePathParameters(RouteInfo $routeInfo)
          * 2. PhpDoc Typehint
          * 3. String (?)
          */
-        $params = array_map(function (string $paramName) use ($routeInfo, $route, $aliases, $reflectionParamsByKeys, $phpDocTypehintParam) {
+        $params = array_map(function (string $paramName) use ($routeInfo, $route, $aliases, $reflectionParamsByKeys, $phpDocTypehintParam, $paramsValuesClasses) {
+            $originalParamName = $paramName;
             $paramName = $aliases[$paramName];
 
             $description = $phpDocTypehintParam[$paramName]?->description ?? '';
@@ -255,6 +256,7 @@ private function getRoutePathParameters(RouteInfo $routeInfo)
                 $route,
                 $phpDocTypehintParam[$paramName] ?? null,
                 $reflectionParamsByKeys[$paramName] ?? null,
+                $paramsValuesClasses[$originalParamName] ?? null,
             );
 
             $param = Parameter::make($paramName, 'path')
@@ -300,9 +302,16 @@ private function getExplicitlyBoundParamType(string $name): ?string
         return null;
     }
 
-    private function getParameterType(string $paramName, string $description, RouteInfo $routeInfo, Route $route, ?ParamTagValueNode $phpDocParam, ?ReflectionParameter $reflectionParam)
-    {
-        $type = new UnknownType;
+    private function getParameterType(
+        string $paramName,
+        string $description,
+        RouteInfo $routeInfo,
+        Route $route,
+        ?ParamTagValueNode $phpDocParam,
+        ?ReflectionParameter $reflectionParam,
+        ?string $boundClass,
+    ) {
+        $type = $boundClass ? new ObjectType($boundClass) : new UnknownType;
         if ($routeInfo->reflectionMethod()) {
             $type->setAttribute('file', $routeInfo->reflectionMethod()->getFileName());
             $type->setAttribute('line', $routeInfo->reflectionMethod()->getStartLine());

tests/Support/OperationExtensions/RequestEssentialsExtensionTest.php

@@ -51,6 +51,37 @@ class Foo_RequestRulesTest_Controller
     public function foo(ModelWithRulesMethod $model) {}
 }
 
+it('uses explicit binding to infer more info about path params using Route::model', function () {
+    RouteFacade::model('model_bound', RequestEssentialsExtensionTest_SimpleModel::class);
+
+    $openApiDocument = generateForRoute(function () {
+        return RouteFacade::get('api/test/{model_bound}', [Foo_RequestExplicitlyBoundTest_Controller::class, 'foo']);
+    });
+
+    expect($openApiDocument['paths']['/test/{model_bound}']['get']['parameters'][0])
+        ->toHaveKey('schema.type', 'integer')
+        ->toHaveKey('description', 'The model bound ID');
+});
+it('uses explicit binding to infer more info about path params using Route::bind with typehint', function () {
+    RouteFacade::bind('model_bound', fn ($value): RequestEssentialsExtensionTest_SimpleModel => RequestEssentialsExtensionTest_SimpleModel::findOrFail($value));
+
+    $openApiDocument = generateForRoute(function () {
+        return RouteFacade::get('api/test/{model_bound}', [Foo_RequestExplicitlyBoundTest_Controller::class, 'foo']);
+    });
+
+    expect($openApiDocument['paths']['/test/{model_bound}']['get']['parameters'][0])
+        ->toHaveKey('schema.type', 'integer')
+        ->toHaveKey('description', 'The model bound ID');
+});
+class RequestEssentialsExtensionTest_SimpleModel extends \Illuminate\Database\Eloquent\Model
+{
+    protected $table = 'users';
+}
+class Foo_RequestExplicitlyBoundTest_Controller
+{
+    public function foo() {}
+}
+
 it('handles custom key from route to determine model route key type', function () {
     $openApiDocument = generateForRoute(function () {
         return RouteFacade::get('api/test/{user:name}', [CustomKey_RequestEssentialsExtensionTest_Controller::class, 'foo']);