✨ Add post RSS feed

src/pages/posts/feed.ts

@@ -0,0 +1,72 @@
+import { sni } from '@/services/network'
+import { SnPost } from '@/services/post'
+import { GetServerSideProps } from 'next'
+import { Feed } from 'feed'
+
+function generateFeed(posts: SnPost[]): string {
+  const feed = new Feed({
+    title: 'Solar Network Posts',
+    description: 'All posts on the Solar Network platform, and now you can view them via the RSS feed!',
+    id: 'https://solsynth.dev/posts',
+    link: 'https://solsynth.dev/posts',
+    favicon: 'https://solsynth.dev/favicon.png',
+    copyright: `All rights reserved ${new Date().getFullYear()} © Solsynth LLC & Post Publishers`,
+    updated: new Date(posts[0].createdAt),
+    generator: 'Capital',
+    feedLinks: {
+      json: 'https://example.com/json',
+      atom: 'https://example.com/atom',
+    },
+  })
+
+  for (const p of posts) {
+    feed.addItem({
+      id: p.id.toString(),
+      title: p.body.title ?? `Post #${p.id}`,
+      description: p.body.description,
+      link:
+        p.alias && p.aliasPrefix
+          ? `https://solsynth.dev/posts/${p.aliasPrefix}/${p.alias}`
+          : `https://solsynth.dev/posts/${p.id}`,
+      content: p.body.content,
+      date: new Date(p.publishedAt ?? p.createdAt),
+      published: new Date(p.publishedAt ?? p.createdAt),
+      copyright: `All right reserved ${new Date().getFullYear()} © @${p.publisher.name}`,
+      author: [
+        {
+          name: `@${p.publisher.name}`,
+        },
+      ],
+    })
+  }
+
+  return feed.rss2()
+}
+
+export const getServerSideProps: GetServerSideProps = async ({ res, query }) => {
+  let page: number = parseInt(query.page as string)
+  if (isNaN(page)) page = 1
+
+  const countPerPage = 20
+
+  const { data: resp } = await sni.get<{ data: SnPost[] }>('/cgi/co/posts', {
+    params: {
+      take: countPerPage,
+      offset: (page - 1) * countPerPage,
+    },
+  })
+
+  const sitemap = generateFeed(resp.data)
+
+  res.setHeader('Content-Type', 'text/xml')
+  res.write(sitemap)
+  res.end()
+
+  return {
+    props: {},
+  }
+}
+
+export default function PostSiteMap() {
+  // getServerSideProps will do the heavy lifting
+}