Work on the feed generator to use the PostService.

src/services/feed-generator.ts

@@ -1,4 +1,41 @@
 import { Feed, FeedOptions } from 'feed';
 import { getSiteConfig } from '@blog/services/config';
+import { PostService } from '@blog/services/post-file';
+import type { Post } from '@blog/models/post';
 
+const updatedDate = new Date();
+
+export async function getFeed(postService: PostService): Feed {
+  const config = getSiteConfig();
+  const feed = new Feed({
+    title: config.title,
+    description: config.site.description,
+    link: config.site.link,
+    language: config.site.language,
+    copyright: config.site.copyright,
+    generator: "dsh feed gen",
+    updated: updatedDate,
+    author: {
+      name: "Dave Smith-Hayes",
+      email: "me@davesmithhayes.com",
+      link: "davesmithhayes.com"
+    }
+  });
+
+  postService.getAllPosts().map((post: Post) => {
+    feed.addItem({
+      title: post.meta.title,
+      id: post.meta.slug,
+      link: post.meta.slug,
+      description: post.meta.description,
+      content: post.html,
+      author: [
+        name: config.author,
+        email: config.email
+      ]
+    });
+  });
+
+  return feed;
+}