add: category, date sorting

Add category layouts and date sorting

server/routes/blog/rss.xml.ts

@@ -0,0 +1,39 @@
+import { BlogCollectionItem } from '@nuxt/content'
+
+const clean = (value: string) => value
+  .replace(/&/g, '&')
+  .replace(/</g, '&lt;')
+  .replace(/>/g, '&gt;')
+  .replace(/ä/g, '&auml;')
+  .replace(/ö/g, '&ouml;')
+  .replace(/ü/g, '&uuml;')
+  .replace(/ß/g, '&szlig;')
+
+const makeItem = (article: BlogCollectionItem, base: string) => `
+    <item>
+      <title>${clean(article.title)}</title>
+      <description>${clean(article.description)}</description>
+      <link>${base}${article.path}</link>
+    </item>
+`
+
+export default defineEventHandler(async event => {
+  const baseUrl = getRequestURL(event)
+  const blogUrl = `${baseUrl.protocol}//${baseUrl.host}`
+
+  const articles = (await queryCollection(event, 'blog').order('date', 'DESC').all())
+
+  const xmlItems = articles.map(article => makeItem(article, blogUrl)).join('')
+
+  return `<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0">
+  <channel>
+    <title>Blogfussel</title>
+    <link>${baseUrl}/blog</link>
+    <description>f&uuml;r mehr Fussel im Blog</description> 
+    <language>de</language>
+    ${xmlItems}
+  </channel>
+</rss>
+  `
+})