Use absolute URLs in Atom feed

.env.sample

@@ -1,3 +1,5 @@
+PORT=8000
+BASE_URL=http://localhost:8000
 HOME_RELAY_URL=wss://nostr.kosmos.org
 LDAP_URL=ldap://10.1.1.116:389
 LDAP_BIND_DN=uid=service,ou=kosmos.org,cn=applications,dc=kosmos,dc=org

config.ts

@@ -5,6 +5,7 @@ await load({ envPath: `${dirname}/.env`, export: true });
 
 const config = {
   port: Deno.env.get("PORT") || 8000,
+  base_url: Deno.env.get("BASE_URL") || `http://localhost:8000`,
   home_relay_url: Deno.env.get("HOME_RELAY_URL") || "",
   ldap: {
     url: Deno.env.get("LDAP_URL"),

feeds.ts

@@ -14,7 +14,7 @@ export function profileAtomFeed(profile: Profile, articles: Article[]) {
       <entry>
         <id>${articleId}</id>
         <title>${article.title}</title>
-        <link href="/${article.naddr}" />
+        <link href="${article.url}" />
         <updated>${isoDate(article.updatedAt)}</updated>
         <summary>${article.summary}</summary>
         <content type="html">${article.html}</content>

models/article.ts

@@ -1,6 +1,7 @@
+import { render as renderMarkdown } from "@deno/gfm";
 import { nip19 } from "@nostr/tools";
 import { NEvent } from "../nostr.ts";
-import { render as renderMarkdown } from "@deno/gfm";
+import config from "../config.ts";
 
 export default class Article {
   event: NEvent;
@@ -14,6 +15,10 @@ export default class Article {
     return tag ? tag[1] : "";
   }
 
+  get url(): string {
+    return `${config.base_url}/${this.naddr}`
+  }
+
   get title(): string {
     const tag = this.event.tags.find((t) => t[0] === "title");
     return tag ? tag[1] : "Untitled";