73 lines
2.3 KiB
JavaScript
73 lines
2.3 KiB
JavaScript
import getSSRApolloClient from '../api/ssrApollo'
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const SITE_URL = 'https://stacker.news'
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const SITE_TITLE = 'stacker news'
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const SITE_SUBTITLE = 'It\'s like Hacker News, but we pay you Bitcoin.'
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function escapeXml (unsafe) {
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return unsafe.replace(/[<>&'"]/g, function (c) {
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switch (c) {
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case '<': return '<'
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case '>': return '>'
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case '&': return '&'
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case '\'': return '''
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case '"': return '"'
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}
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})
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}
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const generateRssItem = (item) => {
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const guid = `${SITE_URL}/items/${item.id}`
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const link = item.url || guid
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let title = item.title
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if (item.isJob) {
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title = item.title + ' \\ ' + item.company + ' \\ ' + `${item.location || ''}${item.location && item.remote ? ' or ' : ''}${item.remote ? 'Remote' : ''}`
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}
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return `
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<item>
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<guid>${guid}</guid>
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<title>${escapeXml(title)}</title>
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<link>${escapeXml(link)}</link>
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<comments>${guid}</comments>
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<description><![CDATA[<a href="${guid}">Comments</a>]]></description>
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<pubDate>${new Date(item.createdAt).toUTCString()}</pubDate>
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<atom:author><atom:name>${item.user.name}</atom:name></atom:author>
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</item>
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`
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}
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function generateRssFeed (items, sub = null) {
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const itemsList = items.map(generateRssItem)
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return `<?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>${SITE_TITLE}${sub ? ` ~${sub}` : ''}</title>
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<link>${SITE_URL}${sub ? `/~${sub}` : ''}</link>
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<description>${SITE_SUBTITLE}</description>
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<language>en</language>
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<lastBuildDate>${new Date().toUTCString()}</lastBuildDate>
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<atom:link href="${SITE_URL}/rss" rel="self" type="application/rss+xml" />
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${itemsList.join('')}
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</channel>
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</rss>
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`
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}
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export default function getGetRssServerSideProps (query, variables = null) {
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return async function ({ req, res, params }) {
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const emptyProps = { props: {} } // to avoid server side warnings
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const client = await getSSRApolloClient(req)
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const { error, data: { items: { items } } } = await client.query({
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query, variables: { ...params, ...variables }
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})
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if (!items || error) return emptyProps
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res.setHeader('Content-Type', 'text/xml; charset=utf-8')
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res.write(generateRssFeed(items, params?.sub))
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res.end()
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return emptyProps
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}
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}
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