44 lines
1.7 KiB
JavaScript
44 lines
1.7 KiB
JavaScript
// RSS 2.0 feed — hand-rolled static endpoint like search.json.js (no @astrojs/rss
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// dependency; the spec is 20 lines of XML). Newest 30 items, absolute URLs from
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// the configured `site`.
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import { getCollection } from 'astro:content';
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const esc = (s = '') =>
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s.replace(/[<>&'"]/g, (c) => ({ '<': '<', '>': '>', '&': '&', "'": ''', '"': '"' })[c]);
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export async function GET(context) {
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const site = context.site ?? new URL('https://portal.ctao.org');
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const posts = (await getCollection('news', ({ data }) => !data.draft))
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.sort((a, b) => b.data.date.valueOf() - a.data.date.valueOf())
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.slice(0, 30);
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const items = posts
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.map((p) => {
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const url = new URL(`/news/${p.id}`, site).href;
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return ` <item>
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<title>${esc(p.data.title)}</title>
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<link>${url}</link>
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<guid isPermaLink="true">${url}</guid>
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<pubDate>${p.data.date.toUTCString()}</pubDate>
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<description>${esc(p.data.description)}</description>
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<category>${esc(p.data.category)}</category>
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</item>`;
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})
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.join('\n');
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const xml = `<?xml version="1.0" encoding="UTF-8"?>
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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
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<channel>
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<title>CTAO Science Portal — News</title>
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<link>${new URL('/news', site).href}</link>
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<description>News and announcements of the Cherenkov Telescope Array Observatory</description>
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<language>en</language>
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<lastBuildDate>${(posts[0]?.data.date ?? new Date()).toUTCString()}</lastBuildDate>
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<atom:link href="${new URL('/rss.xml', site).href}" rel="self" type="application/rss+xml"/>
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${items}
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</channel>
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</rss>
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`;
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return new Response(xml, { headers: { 'Content-Type': 'application/rss+xml; charset=utf-8' } });
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}
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