* updated expressive version

src/App/Handler/Pdf/GenerateMaintenanceSheetHandler.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Handler\Pdf;
+
+use ApiLibs\AbstractHandler\CrudHandler;
+use App\Service\MaintenanceManagerService;
+use App\Service\PdfService;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Zend\Diactoros\Response\TextResponse;
+
+class GenerateMaintenanceSheetHandler extends CrudHandler
+{
+    /** @var PdfService */
+    private $pdfService;
+
+    /** @var MaintenanceManagerService */
+    private $maintenanceManager;
+
+    public function __construct(PdfService $pdfService, MaintenanceManagerService $maintenanceManagerService)
+    {
+        $this->pdfService = $pdfService;
+        $this->maintenanceManager = $maintenanceManagerService;
+    }
+
+    /**
+     * @param ServerRequestInterface $request
+     * @return ResponseInterface
+     */
+    public function get(ServerRequestInterface $request): ResponseInterface
+    {
+        $id = $request->getAttribute('id', false);
+        try {
+            return (new TextResponse($this->pdfService->getMaintenanceSheet($id)))
+                ->withHeader('Content-type', 'application/pdf');
+        } catch (\Exception $e) {
+            return new TextResponse($e->getMessage(), 500);
+        }
+    }
+}