Update dinosaurwet

src/dinosaurwet/dinosaurwet.controller.ts

@@ -1,5 +1,6 @@
 import { Controller, Get, Res } from '@nestjs/common';
 import { Response } from 'express';
+import { identity } from 'ramda';
 import * as xml from 'xml';
 
 const episodeFiles: [number, string][] = [
@@ -27,7 +28,16 @@ const episodeFiles: [number, string][] = [
 
 const startDate = new Date('2023-10-02');
 
-const episodes = episodeFiles.map((file, i) => {
+type Episode = {
+  filename: string;
+  length: number;
+  url: string;
+  title: string;
+  description: string;
+  fakeReleaseDate: Date;
+};
+
+const episodes: Episode[] = episodeFiles.map((file, i) => {
   const [length, filename] = file;
   return {
     filename,
@@ -40,15 +50,16 @@ const episodes = episodeFiles.map((file, i) => {
       .trim(),
     description:
       'A bootleg-ish of Dinosar Wet, making the downloaded files more like and RSS feed',
-    fakeReleaseDate: new Date(startDate).setDate(startDate.getDate() + i * 7),
+    fakeReleaseDate: new Date(
+      new Date(startDate).setDate(startDate.getDate() + i * 7),
+    ),
   };
 });
 
-@Controller('dinosaurwet')
-export class DinosaurwetController {
-  @Get('')
-  getAllAtOnce(@Res() response: Response) {
-    response.header('Content-Type', 'application/xml');
+const buildFeeds = (
+  episodes: Episode[],
+  dateFn: (date: Date) => Date = identity,
+) => {
   const feedObject = {
     rss: [
       {
@@ -103,6 +114,15 @@ export class DinosaurwetController {
   };
 
   const feed = '<?xml version="1.0" encoding="UTF-8"?>' + xml(feedObject);
+  return feed;
+};
+
+@Controller('dinosaurwet')
+export class DinosaurwetController {
+  @Get('')
+  getAllAtOnce(@Res() response: Response) {
+    response.header('Content-Type', 'application/xml');
+    const feed = buildFeeds(episodes);
     return response.send(feed);
   }
 }