feat(back-end): introduce payload

Payload is the next.js Headless CMS and App Framework,
I would like to pick it up and modify it as it is MIT licensed.

Many features in Payload is not applicable for our project.
So, I modify it so that it is light and clear.

1 files changed, 66 insertions, 0 deletions

diff --git a/src/app/(main)/rss.xml/route.ts b/src/app/(main)/rss.xml/route.ts
new file mode 100644
index 0000000..ee06a40
--- /dev/null
+++ b/src/app/(main)/rss.xml/route.ts
@@ -0,0 +1,66 @@
+import { description, title } from '@/app/(main)/layout.config';
+import { owner } from '@/app/(main)/layout.config';
+import { baseUrl } from '@/lib/constants';
+import { getPosts } from '@/lib/source';
+import { Feed } from 'feed';
+
+export const dynamic = 'force-static';
+
+const escapeForXML = (str: string) => {
+  return str
+    .replace(/&/g, '&')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;')
+    .replace(/'/g, '&apos;');
+};
+
+export const GET = () => {
+  const feed = createFeed();
+
+  return new Response(feed.atom1(), {
+    headers: {
+      'Content-Type': 'application/xml',
+    },
+  });
+};
+
+function createFeed(): Feed {
+  const feed = new Feed({
+    title,
+    description,
+    id: baseUrl.href,
+    language: 'en',
+    copyright: `All rights reserved ${new Date().getFullYear()}, ${owner}`,
+    image: new URL('/banner.png', baseUrl).href,
+    favicon: new URL('/favicon.ico', baseUrl).href,
+    link: baseUrl.href,
+    feed: new URL('/api/rss.xml', baseUrl).href,
+    updated: new Date(),
+  });
+
+  const posts = getPosts();
+  for (const post of posts) {
+    feed.addItem({
+      title: post.data.title,
+      description: post.data.description,
+      link: new URL(post.url, baseUrl).href,
+      image: {
+        title: post.data.title,
+        type: 'image/png',
+        url: escapeForXML(
+          new URL(`/og/${post.slugs.join('/')}/image.png`, baseUrl.href).href,
+        ),
+      },
+      date: post.data.date,
+      author: [
+        {
+          name: post.data.author,
+          // link: new URL('/about', baseUrl).href,
+        },
+      ],
+    });
+  }
+
+  return feed;
+}