29 lines
1.2 KiB
TypeScript
29 lines
1.2 KiB
TypeScript
 
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import { createHash } from 'node:crypto';
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import type { FastifyInstance } from 'fastify';
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import { buildFeedXml } from '../services/rss.js';
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import type { Episode, Podcast } from '../types.js';
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export default async function feedRoutes(app: FastifyInstance) {
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const { db, settings } = app.ctx;
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const getPodcast = db.prepare('SELECT * FROM podcasts WHERE id = ?');
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const listEpisodes = db.prepare('SELECT * FROM episodes WHERE podcast_id = ? ORDER BY pub_date DESC');
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app.get('/feeds/:id/feed.xml', async (req, reply) => {
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const { id } = req.params as { id: string };
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const podcast = getPodcast.get(id) as Podcast | undefined;
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if (!podcast) return reply.code(404).send({ error: 'feed not found' });
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const episodes = listEpisodes.all(id) as Episode[];
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const xml = buildFeedXml(podcast, episodes, { publicUrl: settings.all().public_url });
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const etag = `"${createHash('sha256').update(xml).digest('hex').slice(0, 16)}"`;
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if (req.headers['if-none-match'] === etag) return reply.code(304).send();
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return reply
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.header('content-type', 'application/rss+xml; charset=utf-8')
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.header('etag', etag)
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.header('cache-control', 'public, max-age=60')
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.send(xml);
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});
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}
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