refractor server.js

2026-06-03 15:08:14 -04:00
parent e17a818deb
commit 346ecb217c
20 changed files with 5980 additions and 5947 deletions
@@ -0,0 +1,140 @@
+import express from 'express'
+import { readFile } from 'node:fs/promises'
+import { escapeHtml, escapeXml, injectSeoIntoHtml, normalizeSitemapPath } from '../helpers.js'
+import {
+  DIST_DIR,
+  DIST_IMAGES_DIR,
+  PUBLIC_IMAGES_DIR,
+  UPLOADS_DIR,
+  INDEX_FILE,
+  DEFAULT_SEO,
+} from '../config.js'
+import { state } from '../state.js'
+import { loadSiteContentFile } from '../data.js'
+import { DATA_FILE } from '../config.js'
+import { sanitizeRedirectRules } from '../study-helpers.js'
+
+export function register(app) {
+  app.get('/robots.txt', async (_req, res) => {
+    let content = state.cachedSiteContent
+    if (!content) {
+      try {
+        const parsed = await loadSiteContentFile(DATA_FILE)
+        content = parsed.siteContent
+      } catch { content = {} }
+    }
+
+    const seo = content?.seo ?? DEFAULT_SEO
+    const canonical = seo.canonicalUrl || DEFAULT_SEO.canonicalUrl
+    const root = canonical.endsWith('/') ? canonical.slice(0, -1) : canonical
+
+    res.type('text/plain').send(
+      ['User-agent: *', 'Allow: /', `Sitemap: ${root}/sitemap.xml`].join('\n'),
+    )
+  })
+
+  app.get('/sitemap.xml', async (_req, res) => {
+    let content = state.cachedSiteContent
+    if (!content) {
+      try {
+        const parsed = await loadSiteContentFile(DATA_FILE)
+        content = parsed.siteContent
+      } catch { content = {} }
+    }
+
+    const seo = content?.seo ?? DEFAULT_SEO
+    const canonical = seo.canonicalUrl || DEFAULT_SEO.canonicalUrl
+    const root = canonical.endsWith('/') ? canonical.slice(0, -1) : canonical
+    const paths = Array.isArray(seo.sitemapPaths) && seo.sitemapPaths.length > 0
+      ? seo.sitemapPaths
+      : DEFAULT_SEO.sitemapPaths
+
+    const urls = paths
+      .map(item => normalizeSitemapPath(item))
+      .filter(Boolean)
+      .map(item => `${root}${item}`)
+
+    const xml = [
+      '<?xml version="1.0" encoding="UTF-8"?>',
+      '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">',
+      ...urls.map(url => `  <url><loc>${escapeXml(url)}</loc></url>`),
+      '</urlset>',
+    ].join('\n')
+
+    res.type('application/xml').send(xml)
+  })
+
+  // Redirect rules middleware
+  app.use((req, res, next) => {
+    const rules = sanitizeRedirectRules(state.cachedSiteContent?.redirects)
+    const match = rules.find(rule => rule.path === req.path)
+    if (!match) { next(); return }
+    res.redirect(match.statusCode === 302 ? 302 : 301, match.target)
+  })
+
+  // Static files
+  app.use('/images', express.static(DIST_IMAGES_DIR))
+  app.use('/images', express.static(PUBLIC_IMAGES_DIR))
+  app.use('/uploads', express.static(UPLOADS_DIR))
+
+  // Social share stub for questions
+  app.get('/questions/share/:id', (req, res) => {
+    const id = req.params.id
+    if (!id || !/^[\w-]{1,120}$/.test(id)) {
+      res.redirect(302, '/questions'); return
+    }
+    const sourceQuestions = state.draftQuestions ?? state.questions
+    const question = sourceQuestions.find(q => q.id === id && q.isApproved === true && q.answer)
+    if (!question) {
+      res.redirect(302, '/questions'); return
+    }
+
+    const BASE = 'https://versebyversewithnate.us'
+    const canonicalUrl = `${BASE}/questions#qa-${encodeURIComponent(id)}`
+    const shareUrl = `${BASE}/questions/share/${encodeURIComponent(id)}`
+    const ogTitle = escapeHtml(question.question.length > 100
+      ? `${question.question.slice(0, 97)}…`
+      : question.question)
+    const answerSnippet = question.answer.replace(/\n+/g, ' ').trim()
+    const ogDescription = escapeHtml(answerSnippet.length > 200
+      ? `${answerSnippet.slice(0, 197)}…`
+      : answerSnippet)
+    const ogImage = `${BASE}/images/banner.png`
+
+    res.type('html').send(`<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="utf-8"/>
+<title>${ogTitle} — Verse by Verse with Nate</title>
+<meta name="description" content="${ogDescription}"/>
+<meta property="og:type" content="article"/>
+<meta property="og:site_name" content="Verse by Verse with Nate"/>
+<meta property="og:url" content="${escapeHtml(shareUrl)}"/>
+<meta property="og:title" content="${ogTitle}"/>
+<meta property="og:description" content="${ogDescription}"/>
+<meta property="og:image" content="${escapeHtml(ogImage)}"/>
+<meta property="og:image:alt" content="${ogTitle}"/>
+<meta name="twitter:card" content="summary_large_image"/>
+<meta name="twitter:title" content="${ogTitle}"/>
+<meta name="twitter:description" content="${ogDescription}"/>
+<meta name="twitter:image" content="${escapeHtml(ogImage)}"/>
+<link rel="canonical" href="${escapeHtml(shareUrl)}"/>
+<meta http-equiv="refresh" content="0;url=${escapeHtml(canonicalUrl)}"/>
+<script>location.replace(${JSON.stringify(canonicalUrl)})</script>
+</head>
+<body></body>
+</html>`)
+  })
+
+  // SPA static files and fallback
+  app.use(express.static(DIST_DIR))
+
+  app.use(async (_req, res) => {
+    try {
+      const html = await readFile(INDEX_FILE, 'utf8')
+      res.type('html').send(injectSeoIntoHtml(html, state.cachedSiteContent))
+    } catch {
+      res.status(503).send('Frontend build not found. Run "npm run build" first.')
+    }
+  })
+}