feat: let managers edit the staffing matrix

src/Controller/Administrative/System/StaffingRule/ExportController.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Controller\Administrative\System\StaffingRule;
+
+use App\Service\Assignment\StaffingConfigurationException;
+use App\Service\Export\StaffingPreviewExporter;
+use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
+use Psr\Log\LoggerInterface;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\HeaderUtils;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+class ExportController extends AbstractController
+{
+    public function __construct(
+        private readonly StaffingPreviewExporter $previewExporter,
+        private readonly LoggerInterface $logger,
+    ) {
+    }
+
+    #[Route('/administrative/system/staffing-rule/export', name: 'app_administrative_system_staffing_rule_export')]
+    #[IsGranted('ROLE_ADMINISTRATIVE')]
+    public function index(): Response
+    {
+        try {
+            $rows = $this->previewExporter->rows();
+        } catch (StaffingConfigurationException $e) {
+            $this->addFlash('error', 'Ein Jobprofil oder Honorar der Besetzungsmatrix ist nicht (mehr) vorhanden: '.$e->getMessage());
+
+            return $this->redirectToRoute('app_administrative_system_staffing_rule_index');
+        }
+
+        if ([] === $rows) {
+            $this->addFlash('error', 'Keine Daten für den Export vorhanden');
+
+            return $this->redirectToRoute('app_administrative_system_staffing_rule_preview');
+        }
+
+        $spreadsheet = $this->previewExporter->export($rows);
+        $filename = sprintf('besetzungsmatrix-vorschau_%s.xlsx', date('YmdHi'));
+
+        $response = new StreamedResponse(static function () use ($spreadsheet): void {
+            (new Xlsx($spreadsheet))->save('php://output');
+        });
+
+        $response->headers->set(
+            'Content-Type',
+            'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+        );
+        $response->headers->set(
+            'Content-Disposition',
+            HeaderUtils::makeDisposition(HeaderUtils::DISPOSITION_ATTACHMENT, $filename, md5($filename))
+        );
+
+        $this->logger->info('Export staffing preview', [
+            'count' => count($rows),
+        ]);
+
+        return $response;
+    }
+}