From 74419f3597ee14b00f05819a4f4153495f0c543a Mon Sep 17 00:00:00 2001
From: Ethan Davidson <31261035+EthanThatOneKid@users.noreply.github.com>
Date: Fri, 28 Jun 2024 15:42:18 -0700
Subject: [PATCH] implement feed generators

---
 codegen/codegen.ts |  2 ++
 codegen/feed.ts    | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 deno.json          |  1 +
 3 files changed, 49 insertions(+)
 create mode 100644 codegen/feed.ts

diff --git a/codegen/codegen.ts b/codegen/codegen.ts
index abd6494..5bcefc6 100644
--- a/codegen/codegen.ts
+++ b/codegen/codegen.ts
@@ -1,6 +1,7 @@
 import { copySync } from "@std/fs";
 import { generateTubes } from "./tubes.ts";
 import { generateHTML } from "./html.tsx";
+import { generateFeed } from "./feed.ts";
 
 if (import.meta.main) {
   copyFiles();
@@ -17,4 +18,5 @@ function copyFiles() {
 function generateFiles() {
   generateTubes();
   generateHTML();
+  generateFeed();
 }
diff --git a/codegen/feed.ts b/codegen/feed.ts
new file mode 100644
index 0000000..a37da8e
--- /dev/null
+++ b/codegen/feed.ts
@@ -0,0 +1,46 @@
+import { Feed } from "feed";
+import { posts } from "#/components/blog_page/data.ts";
+
+const ORIGIN = "https://fart.tools";
+const ID = `${ORIGIN}/blog`;
+const COPYRIGHT = `Copyright ${new Date().getFullYear()} FartLabs`;
+
+export function generateFeed() {
+  const feed = new Feed({
+    id: ID,
+    link: ID,
+    copyright: COPYRIGHT,
+    language: "en",
+    title: "FartLabs Blog",
+    description: "Keep up with the latest from FartLabs!",
+    favicon: `${ORIGIN}/fl-logo.png`,
+    generator: "Feed (https://github.com/jpmonette/feed)",
+    feedLinks: {
+      rss: `${ID}/feed.xml`,
+      atom: `${ID}/feed.atom`,
+    },
+  });
+  posts.forEach((post) => {
+    feed.addItem({
+      id: `${ORIGIN}/${post.id}`,
+      link: `${ORIGIN}/${post.id}`,
+      title: post.attrs.title,
+      description: post.attrs.description,
+      date: new Date(post.attrs.date),
+      published: new Date(post.attrs.date),
+      copyright: COPYRIGHT,
+      category: post.attrs.topics.map((topic) => ({
+        name: topic.toLowerCase(),
+      })),
+      author: post.attrs.authors.map((author) => ({
+        name: author.name,
+        link: author.username
+          ? `https://github.com/${author.username}`
+          : undefined,
+      })),
+    });
+  });
+
+  Deno.writeTextFileSync("generated/blog/feed.xml", feed.rss2());
+  Deno.writeTextFileSync("generated/blog/feed.atom", feed.atom1());
+}
diff --git a/deno.json b/deno.json
index e9d2fa9..e8e240d 100644
--- a/deno.json
+++ b/deno.json
@@ -12,6 +12,7 @@
     "@std/fs": "jsr:@std/fs@^0.223.0",
     "@std/http": "jsr:@std/http@^0.223.0",
     "alea": "npm:alea@^1.0.1",
+    "feed": "npm:feed@^4.2.2",
     "highlight.js": "npm:highlight.js@^11.9.0",
     "markdown-it": "npm:markdown-it@^14.1.0",
     "markdown-it-anchor": "npm:markdown-it-anchor@^8.6.7",