Simplify transformer logic

app/Exceptions/DisplayException.php

@@ -58,17 +58,11 @@ class DisplayException extends PterodactylException
      *
      * @param \Illuminate\Http\Request $request
      *
-     * @return \Illuminate\Http\JsonResponse|\Illuminate\Http\RedirectResponse
+     * @return \Illuminate\Http\RedirectResponse
      */
     public function render($request)
     {
-        if ($request->expectsJson()) {
-            return response()->json(Handler::convertToArray($this, [
-                'detail' => $this->getMessage(),
-            ]), method_exists($this, 'getStatusCode') ? $this->getStatusCode() : Response::HTTP_BAD_REQUEST);
-        }
-
-        Container::getInstance()->make(AlertsMessageBag::class)->danger($this->getMessage())->flash();
+        app(AlertsMessageBag::class)->danger($this->getMessage())->flash();
 
         return redirect()->back()->withInput();
     }

app/Exceptions/Handler.php

@@ -197,7 +197,7 @@ class Handler extends ExceptionHandler
     /**
      * Return the exception as a JSONAPI representation for use on API requests.
      */
-    public static function convertToArray(Throwable $exception, array $override = []): array
+    protected function convertExceptionToArray(Throwable $exception, array $override = []): array
     {
         $match = self::$exceptionResponseCodes[get_class($exception)] ?? null;
 
@@ -226,7 +226,13 @@ class Handler extends ExceptionHandler
                     'file' => str_replace(Application::getInstance()->basePath(), '', $exception->getFile()),
                 ],
                 'meta' => [
-                    'trace' => explode("\n", $exception->getTraceAsString()),
+                    'trace' => Collection::make($exception->getTrace())
+                        ->map(fn ($trace) => Arr::except($trace, ['args']))
+                        ->all(),
+                    'previous' => Collection::make($this->extractPrevious($exception))
+                        ->map(fn ($exception) => $exception->getTrace())
+                        ->map(fn ($trace) => Arr::except($trace, ['args']))
+                        ->all(),
                 ],
             ]);
         }
@@ -252,20 +258,30 @@ class Handler extends ExceptionHandler
     protected function unauthenticated($request, AuthenticationException $exception)
     {
         if ($request->expectsJson()) {
-            return new JsonResponse(self::convertToArray($exception), JsonResponse::HTTP_UNAUTHORIZED);
+            return new JsonResponse($this->convertExceptionToArray($exception), JsonResponse::HTTP_UNAUTHORIZED);
         }
 
-        return $this->container->make('redirect')->guest('/auth/login');
+        return redirect()->guest('/auth/login');
     }
 
     /**
-     * Converts an exception into an array to render in the response. Overrides
-     * Laravel's built-in converter to output as a JSONAPI spec compliant object.
+     * Extracts all of the previous exceptions that lead to the one passed into this
+     * function being thrown.
      *
-     * @return array
+     * @param  \Throwable  $e
+     * @return \Throwable[]
      */
-    protected function convertExceptionToArray(Throwable $exception)
+    protected function extractPrevious(Throwable $e): array
     {
-        return self::convertToArray($exception);
+        $previous = [];
+        while ($value = $e->getPrevious()) {
+            if (!$value instanceof Throwable) {
+                break;
+            }
+            $previous[] = $value;
+            $e = $value;
+        }
+
+        return $previous;
     }
 }

app/Http/Controllers/Api/Client/ClientApiController.php

@@ -3,7 +3,6 @@
 namespace Pterodactyl\Http\Controllers\Api\Client;
 
 use Webmozart\Assert\Assert;
-use Pterodactyl\Transformers\Daemon\BaseDaemonTransformer;
 use Pterodactyl\Transformers\Api\Client\BaseClientTransformer;
 use Pterodactyl\Http\Controllers\Api\Application\ApplicationApiController;
 
@@ -55,13 +54,8 @@ abstract class ClientApiController extends ApplicationApiController
      */
     public function getTransformer(string $abstract)
     {
-        Assert::methodExists($abstract, 'fromRequest');
+        Assert::subclassOf($abstract, BaseClientTransformer::class);
 
-        /** @var T $transformer */
-        $transformer = $abstract::fromRequest($this->request);
-
-        Assert::isInstanceOfAny($transformer, [BaseClientTransformer::class, BaseDaemonTransformer::class]);
-
-        return $transformer;
+        return $abstract::fromRequest($this->request);
     }
 }

app/Http/Controllers/Api/Client/Servers/FileController.php

@@ -10,7 +10,7 @@ use Illuminate\Http\JsonResponse;
 use Pterodactyl\Services\Nodes\NodeJWTService;
 use Illuminate\Contracts\Routing\ResponseFactory;
 use Pterodactyl\Repositories\Wings\DaemonFileRepository;
-use Pterodactyl\Transformers\Daemon\FileObjectTransformer;
+use Pterodactyl\Transformers\Api\Client\FileObjectTransformer;
 use Pterodactyl\Http\Controllers\Api\Client\ClientApiController;
 use Pterodactyl\Http\Requests\Api\Client\Servers\Files\CopyFileRequest;
 use Pterodactyl\Http\Requests\Api\Client\Servers\Files\PullFileRequest;

app/Transformers/Api/Client/FileObjectTransformer.php

@@ -1,19 +1,12 @@
 <?php
 
-namespace Pterodactyl\Transformers\Daemon;
+namespace Pterodactyl\Transformers\Api\Client;
 
 use Carbon\Carbon;
 use Illuminate\Support\Arr;
 
-class FileObjectTransformer extends BaseDaemonTransformer
+class FileObjectTransformer extends BaseClientTransformer
 {
-    /**
-     * An array of files we allow editing in the Panel.
-     *
-     * @var array
-     */
-    private $editable = [];
-
     /**
      * Transform a file object response from the daemon into a standardized response.
      *

app/Transformers/Daemon/BaseDaemonTransformer.php

@@ -1,9 +0,0 @@
-<?php
-
-namespace Pterodactyl\Transformers\Daemon;
-
-use League\Fractal\TransformerAbstract;
-
-abstract class BaseDaemonTransformer extends TransformerAbstract
-{
-}