feat: remote sitemap

workers/sitemap/index.js

@@ -0,0 +1,47 @@
+import { createClient } from '@supabase/supabase-js'
+
+export default {
+  async fetch(request, env) {
+    const supabaseUrl = env.SUPABASE_URL || process.env.SUPABASE_URL
+    const supabaseKey = env.SUPABASE_KEY || process.env.SUPABASE_KEY
+    const supabase = createClient(supabaseUrl, supabaseKey)
+
+    try {
+      const { data, error } = await supabase
+        .from('optimized_sitemap')
+        .select('url, lastmod, changefreq, priority')
+
+      if (error) {
+        console.error('Error fetching sitemap data:', error)
+        return new Response('Error fetching sitemap data', { status: 500 })
+      }
+
+      const sitemapXml = generateSitemapXml(data)
+      return new Response(sitemapXml, {
+        headers: {
+          'Content-Type': 'application/xml',
+          'Access-Control-Allow-Origin': '*',
+        },
+      })
+    } catch (error) {
+      console.error('Unexpected error:', error)
+      return new Response('Internal Server Error', { status: 500 })
+    }
+  }
+}
+
+function generateSitemapXml(data) {
+  const urls = data.map(({ url, lastmod, changefreq, priority }) => `
+    <url>
+      <loc>${url}</loc>
+      ${lastmod ? `<lastmod>${new Date(lastmod).toISOString()}</lastmod>` : ''}
+      <changefreq>${changefreq}</changefreq>
+      <priority>${priority}</priority>
+    </url>
+  `).join('')
+
+  return `<?xml version="1.0" encoding="UTF-8"?>
+    <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+      ${urls}
+    </urlset>`
+}