From 18493af6dcac00ef407bdd8ac337e3b0d3f69578 Mon Sep 17 00:00:00 2001
From: Bert Hausmans <bert@hausmans.nl>
Date: Tue, 6 Jan 2026 03:05:38 +0100
Subject: [PATCH] Add OG meta tags for participant access pages

---
 server/index.ts | 75 +++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 63 insertions(+), 12 deletions(-)

diff --git a/server/index.ts b/server/index.ts
index 079cfa1..4a9c645 100644
--- a/server/index.ts
+++ b/server/index.ts
@@ -6,7 +6,7 @@ import path from 'path';
 import fs from 'fs';
 import { fileURLToPath } from 'url';
 
-import { initializeDatabase, questionnaireOps } from './database.js';
+import { initializeDatabase, questionnaireOps, participantOps } from './database.js';
 import authRoutes from './routes/auth.js';
 import adminRoutes from './routes/admin.js';
 import questionnaireRoutes from './routes/questionnaire.js';
@@ -76,6 +76,21 @@ if (isProduction) {
   const clientPath = path.join(__dirname, '../client');
   app.use(express.static(clientPath));
   
+  // Helper function to generate OG tags HTML
+  function generateOgTags(baseUrl: string, pageUrl: string, title: string, description: string, ogImageUrl: string | null): string {
+    return `
+    <meta property="og:type" content="website" />
+    <meta property="og:url" content="${pageUrl}" />
+    <meta property="og:title" content="${title}" />
+    <meta property="og:description" content="${description}" />
+    ${ogImageUrl ? `<meta property="og:image" content="${ogImageUrl}" />` : ''}
+    <meta name="twitter:card" content="summary_large_image" />
+    <meta name="twitter:title" content="${title}" />
+    <meta name="twitter:description" content="${description}" />
+    ${ogImageUrl ? `<meta name="twitter:image" content="${ogImageUrl}" />` : ''}
+    `;
+  }
+
   // Dynamic OG meta tags for questionnaire pages
   app.get('/q/:slug', (req, res) => {
     const questionnaire = questionnaireOps.findBySlug(req.params.slug);
@@ -101,17 +116,53 @@ if (isProduction) {
       ogImageUrl = `${baseUrl}${ogImageUrl}`;
     }
     
-    const ogTags = `
-    <meta property="og:type" content="website" />
-    <meta property="og:url" content="${pageUrl}" />
-    <meta property="og:title" content="${title}" />
-    <meta property="og:description" content="${description}" />
-    ${ogImageUrl ? `<meta property="og:image" content="${ogImageUrl}" />` : ''}
-    <meta name="twitter:card" content="summary_large_image" />
-    <meta name="twitter:title" content="${title}" />
-    <meta name="twitter:description" content="${description}" />
-    ${ogImageUrl ? `<meta name="twitter:image" content="${ogImageUrl}" />` : ''}
-    `;
+    const ogTags = generateOgTags(baseUrl, pageUrl, title, description, ogImageUrl);
+    
+    // Insert OG tags before </head>
+    html = html.replace('</head>', `${ogTags}</head>`);
+    
+    // Update title
+    html = html.replace(/<title>.*?<\/title>/, `<title>${title} - Activiteiten Inventaris</title>`);
+    
+    res.send(html);
+  });
+
+  // Dynamic OG meta tags for participant access pages
+  app.get('/q/access/:token', (req, res) => {
+    const participant = participantOps.findByToken(req.params.token);
+    const indexPath = path.join(clientPath, 'index.html');
+    
+    if (!participant) {
+      res.sendFile(indexPath);
+      return;
+    }
+    
+    const questionnaire = questionnaireOps.findById(participant.questionnaire_id);
+    if (!questionnaire) {
+      res.sendFile(indexPath);
+      return;
+    }
+    
+    // Read the index.html template
+    let html = fs.readFileSync(indexPath, 'utf-8');
+    
+    // Build meta tags
+    const baseUrl = `${req.protocol}://${req.get('host')}`;
+    const pageUrl = `${baseUrl}/q/access/${participant.token}`;
+    const title = questionnaire.title;
+    
+    // Get first name from participant name
+    const firstName = participant.name.trim().split(/\s+/)[0] || participant.name;
+    const description = questionnaire.description 
+      || `Hoi ${firstName}! Voeg je ideeën toe en stem op activiteiten.`;
+    
+    // Make image URL absolute if it's a relative path
+    let ogImageUrl = questionnaire.og_image;
+    if (ogImageUrl && ogImageUrl.startsWith('/')) {
+      ogImageUrl = `${baseUrl}${ogImageUrl}`;
+    }
+    
+    const ogTags = generateOgTags(baseUrl, pageUrl, title, description, ogImageUrl);
     
     // Insert OG tags before </head>
     html = html.replace('</head>', `${ogTags}</head>`);