Added the rss file #3833 (#3839)

Author: equinorpiyush

web/app/api/newsletter-rss/groq.global.ts

@@ -3,7 +3,9 @@ import type { Figure } from '@/core/Image/imageUtilities'
 import markDefs from '@/sanity/queries/common/blockEditorMarks'
 import { functions } from '@/sanity/queries/common/functions'
 import { sameLang } from '@/sanity/queries/common/langAndDrafts'
+import { ingressForNewsQuery } from '@/sanity/queries/common/newsSubqueries'
 import { publishDateTimeQuery } from '@/sanity/queries/common/publishDateTime'
+import { excludeCrudeOilAssays } from '@/sanity/queries/news'
 
 export type LatestNewsType = {
   _id: string
@@ -21,6 +23,18 @@ dateTime(${publishDateTimeQuery}) > dateTime(now()) - 86400
 `
 //add groq to collect only ones with category that has been published since yesterday
 
+export const latestNewsRss = /* groq */ `
+${functions}
+  *[_type == "news" && ${excludeCrudeOilAssays} ${sameLang}] | order(${publishDateTimeQuery} desc)[0...20] {
+    _id,
+    "slug": slug.current,
+    title,
+    "hero": heroImage,
+    "publishDateTime": ${publishDateTimeQuery},
+    ${ingressForNewsQuery},
+  }
+`
+
 export const latestNews = /* groq */ `
 ${functions}
   *[_type == "news" &&  ${publishedSinceYesterday} &&  ((defined(subscriptionType) && ${sameLang}) || subscriptionType == "Crude")] | order(${publishDateTimeQuery} desc)[0...5] {

web/app/api/rss/route.ts

@@ -0,0 +1,100 @@
+import { defaultComponents, toHTML } from '@portabletext/to-html'
+import { NextResponse } from 'next/server'
+import { toPlainText } from 'next-sanity'
+import { noCdnClient as client } from '@/sanity/lib/client'
+import { urlForImage } from '@/sanity/lib/utils'
+import {
+  type LatestNewsType,
+  latestNewsRss,
+} from '../newsletter-rss/groq.global'
+
+const generateRssFeed = async (lang: 'no' | 'en') => {
+  try {
+    const map = {
+      en: {
+        language: 'en_GB',
+        title: 'Equinor News',
+        description: 'Latest news',
+      },
+      no: {
+        language: 'nb_NO',
+        title: 'Equinor Nyheter',
+        description: 'Siste nytt',
+      },
+    }
+    const languageCode = map[lang].language || 'en_GB'
+
+    const articles: LatestNewsType[] = await client.fetch(latestNewsRss, {
+      lang: languageCode,
+    })
+
+    console.log(`Fetched ${articles.length} articles for RSS feed in ${lang}`)
+
+    let rss = `<?xml version="1.0" encoding="UTF-8"?>
+    <rss version="2.0">
+      <channel>
+      <title>${map[lang].title}</title>
+      <description>${map[lang].description}</description>
+      <language>${lang}</language>
+      <link>https://www.equinor.com</link>`
+
+    const serializers = {
+      ...defaultComponents,
+      marks: {
+        ...defaultComponents.marks,
+        sub: ({ children }: { children: string }) => `<sub>${children}</sub>`,
+        sup: ({ children }: { children: string }) => `<sup>${children}</sup>`,
+      },
+    }
+
+    articles.forEach(article => {
+      const hero = article.hero
+      const bannerImageUrl = hero?.image?.asset
+        ? urlForImage(hero.image)?.size(560, 280).auto('format').toString() ||
+          ''
+        : ''
+      const imageAlt = hero?.image?.alt ? ` alt="${hero.image.alt}"` : ''
+      const title =
+        typeof article.title === 'string'
+          ? article.title
+          : toPlainText(article.title)
+      const ingress = Array.isArray(article.ingress) ? article.ingress : []
+
+      const descriptionHtml = toHTML(ingress, {
+        components: serializers,
+        onMissingComponent: e => String(e),
+      })
+
+      rss += `
+        <item>
+          <title>${title}</title>
+          <link>https://equinor.com${lang === 'no' ? '/no' : ''}${article.slug}</link>
+          <guid>https://equinor.com${lang === 'no' ? '/no' : ''}${article.slug}</guid>
+          <pubDate>${new Date(article.publishDateTime).toUTCString()}</pubDate>
+          <description><![CDATA[<img src="${bannerImageUrl}"${imageAlt}/><br/>${descriptionHtml}]]></description>
+        </item>`
+    })
+
+    rss += `
+      </channel>
+    </rss>`
+
+    return rss
+  } catch (error) {
+    console.error('Error generating RSS feed:', error)
+    throw new Error('Failed to generate RSS feed.')
+  }
+}
+
+export async function GET(req: Request) {
+  const { searchParams } = new URL(req.url)
+  const lang = searchParams.get('lang') === 'no' ? 'no' : 'en'
+  const rss = await generateRssFeed(lang)
+
+  return new NextResponse(rss, {
+    headers: {
+      'Content-Type': 'text/xml; charset=utf-8',
+      'Cache-Control': 'public, s-maxage=1200, stale-while-revalidate=600',
+    },
+  })
+}