podcast feed

layouts/podcast.11ty.js

@@ -0,0 +1,78 @@
+const { Podcast } = require('podcast');
+const music_metadata = require('music-metadata');
+const fs = require('fs');
+
+const PODCAST_CDN_ROOT="https://podcast.rpg.cdn.ascorrea.com"
+
+async function getMp3Duration(filePath) {
+  try {
+      const metadata = await music_metadata.parseFile(filePath);
+      console.log('Duration:', metadata.format.duration, 'seconds');
+      return metadata.format.duration; // Duration in seconds
+  } catch (error) {
+      console.error('Error reading file:', error.message);
+      return null;
+  }
+}
+
+class PodcastFeed {
+  data() {
+		return {
+			// Writes to "/my-permalink/hello/index.html"
+			permalink: (data) => `${data.page.filePathStem}.xml`,
+		};
+	}
+
+  async render(data) {
+		const feed = new Podcast({
+      title: data.title,
+      description: data.description,
+      feedUrl: `${data.site.url}${data.page.filePathStem}.xml`,
+      siteUrl: data.site.url,
+      imageUrl: 'http://example.com/icon.png',
+      author: data.author || `${data.site.author.name}`,
+      copyright: data.copyright || `${new Date().getFullYear()} ${data.site.author.name}`,
+      language: 'en',
+      categories: data.categories,
+      pubDate: data.page.date,
+      ttl: 60,
+      itunesAuthor: data.itunes?.author || `${data.site.author.name}`,
+      itunesSubtitle: data.itunes?.subtitle || '',
+      itunesSummary: data.itunes?.summary || '',
+      itunesOwner: { 
+        name: data.itunes?.owner?.name || `${data.site.author.name}`,
+        email: data.itunes?.owner?.email ||`${data.site.author.email}` 
+      },
+      itunesExplicit: data.itunes?.explicit || false,
+      itunesCategory: [],
+      itunesImage: data.itunes?.image || 'http://example.com/image.png'
+    });
+
+    const episodes = data.collections.episode.filter(episode=>episode.data.podcast==true)
+    const items = data.tags ? episodes.filter(episode=>data.tags.every(tag=>episode.data.tags.includes(tag))) : episodes
+  
+    items.forEach(episode=>{
+      const episode_data = episode.data
+      const zero_pad_season = episode_data.season.toString().padStart(2, '0')
+      // const duration = getMp3Duration(`../episodes/s${zero_pad_season}/s${zero_pad_season}e${episode_data.episode}.mp3`)
+       /* loop over data and add to feed */
+      feed.addItem({
+        title:  `S${zero_pad_season}E${episode_data.episode}: ${episode_data.title}`,
+        description: episode.content,
+        url: episode.url, // link to the item
+        guid: episode.url, // optional - defaults to url
+        date: episode_data.date, // any format that js Date can parse.
+        // enclosure : {url:`${data.site.url}/episodes/s${zero_pad_season}/s${zero_pad_season}e${episode_data.episode}.mp3`}, // optional enclosure
+        enclosure : {url:`${PODCAST_CDN_ROOT}/s${zero_pad_season}e${episode_data.episode}.mp3`}, // optional enclosure
+        // itunesDuration: duration,
+      });
+    })
+   
+  
+    // cache the xml to send to clients
+    const xml = feed.buildXml();
+    return xml
+	}
+}
+
+module.exports = PodcastFeed