Zwischenstand vom 29.05.2026

2026-05-29 11:14:02 +02:00
1 parent b6d2142214
commit dba154e572
@@ -0,0 +1,152 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Evomedien\Vitec\Controller;
+
+use Evomedien\Vitec\Service\OgImageGeneratorService;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use TYPO3\CMS\Backend\Attribute\AsController;
+use TYPO3\CMS\Backend\Routing\UriBuilder;
+use TYPO3\CMS\Backend\Template\ModuleTemplateFactory;
+use TYPO3\CMS\Core\Http\JsonResponse;
+use TYPO3\CMS\Core\Http\RedirectResponse;
+use TYPO3\CMS\Core\Messaging\FlashMessage;
+use TYPO3\CMS\Core\Messaging\FlashMessageService;
+use TYPO3\CMS\Core\Page\PageRenderer;
+use TYPO3\CMS\Core\Type\ContextualFeedbackSeverity;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+/**
+ * Backend module controller for OG Image generation.
+ */
+#[AsController]
+final class OgImageController
+{
+    public function __construct(
+        private readonly ModuleTemplateFactory $moduleTemplateFactory,
+        private readonly OgImageGeneratorService $ogImageGeneratorService,
+        private readonly FlashMessageService $flashMessageService,
+        private readonly PageRenderer $pageRenderer,
+        private readonly UriBuilder $uriBuilder,
+    ) {}
+
+    /**
+     * Renders the OG image builder form.
+     */
+    public function indexAction(ServerRequestInterface $request): ResponseInterface
+    {
+        $this->pageRenderer->addJsFile(
+            'EXT:vitec/Resources/Public/Javascript/og-image-preview.js'
+        );
+
+        $moduleTemplate = $this->moduleTemplateFactory->create($request);
+
+        $moduleTemplate->assignMultiple([
+            'formData'        => $this->getDefaultFormData(),
+            'savedImages'     => $this->ogImageGeneratorService->getSavedImages(),
+            'presets'         => $this->getPresets(),
+            'backgroundImages' => $this->ogImageGeneratorService->getBackgroundImages(),
+        ]);
+
+        return $moduleTemplate->renderResponse('OgImage/Index');
+    }
+
+    /**
+     * Handles form submission and generates the OG image.
+     */
+    public function generateAction(ServerRequestInterface $request): ResponseInterface
+    {
+        $parsedBody = $request->getParsedBody();
+        $formData   = $parsedBody['ogimage'] ?? [];
+
+        [$success, $message, $filePath] = $this->ogImageGeneratorService->generate($formData);
+
+        $severity = $success
+            ? ContextualFeedbackSeverity::OK
+            : ContextualFeedbackSeverity::ERROR;
+
+        $flashMessage = GeneralUtility::makeInstance(
+            FlashMessage::class,
+            $message,
+            $success ? 'OG Image created' : 'Generation failed',
+            $severity,
+            true
+        );
+        $this->flashMessageService
+            ->getMessageQueueByIdentifier()
+            ->addMessage($flashMessage);
+
+        $moduleUrl = (string)$this->uriBuilder->buildUriFromRoute('web_vitecogimage');
+        return new RedirectResponse($moduleUrl, 303);
+    }
+
+    /**
+     * Returns a base64 PNG preview without saving to disk (AJAX).
+     */
+    public function previewAction(ServerRequestInterface $request): ResponseInterface
+    {
+        $parsedBody = $request->getParsedBody();
+        $formData   = $parsedBody['ogimage'] ?? [];
+
+        [$success, $message, $dataUri] = $this->ogImageGeneratorService->generatePreview($formData);
+
+        return new JsonResponse([
+            'success'  => $success,
+            'message'  => $message,
+            'dataUri'  => $dataUri,
+        ]);
+    }
+
+    // ──────────────────────────────────────────────────────────────────
+    // Helpers
+    // ──────────────────────────────────────────────────────────────────
+
+    private function getDefaultFormData(): array
+    {
+        return [
+            'bg_type'           => 'color',
+            'bg_color'          => '#1a1a2e',
+            'bg_image'          => '',
+            'overlay_opacity'   => 40,
+            'title'             => 'Your Page Title',
+            'title_color'       => '#ffffff',
+            'title_size'        => 64,
+            'subtitle'          => 'A short description of your page',
+            'subtitle_color'    => '#cccccc',
+            'subtitle_size'     => 32,
+            'label_text'        => 'VITEC',
+            'label_bg_color'    => '#e63946',
+            'label_text_color'  => '#ffffff',
+            'label_position'    => 'top-left',
+            'logo_path'         => '',
+            'output_format'     => 'jpg',
+            'output_quality'    => 90,
+        ];
+    }
+
+    private function getPresets(): array
+    {
+        return [
+            'dark-blue' => [
+                'label'    => 'Dark Blue',
+                'bg_color' => '#1a1a2e',
+                'title_color' => '#ffffff',
+                'subtitle_color' => '#aaaacc',
+            ],
+            'light'     => [
+                'label'    => 'Clean Light',
+                'bg_color' => '#f8f9fa',
+                'title_color' => '#212529',
+                'subtitle_color' => '#6c757d',
+            ],
+            'brand-red' => [
+                'label'    => 'VITEC Brand Red',
+                'bg_color' => '#1f1f1f',
+                'title_color' => '#ffffff',
+                'subtitle_color' => '#e63946',
+            ],
+        ];
+    }
+}