move app routes to separate directory for better composition in

preparation of firebase integration

lib/routes/download.js

@@ -0,0 +1,42 @@
+const { getNormalizedUrl } = require('../utils')
+const crawl = require('../services/crawler')
+const { retrieveICS } = require('../services/ics-retriever')
+
+const downloadHTML = (logger) => (async (req, res, next) => {
+  try {
+    const { url } = req.body
+
+    const facebookURL = getNormalizedUrl(url)
+    const html = await crawl(facebookURL, { logger })
+
+    res
+      .contentType('text/html')
+      .status(200)
+      .send(Buffer.from(html, 'utf8'))
+  } catch (err) {
+    next(err)
+  }
+})
+
+const download = async (req, res, next) => {
+  try {
+    const { url } = req.body
+
+    const ics = await retrieveICS(url, {
+      logger: appLogger,
+      crawl,
+    })
+
+    res
+      .contentType('text/calendar')
+      .status(200)
+      .send(Buffer.from(ics, 'utf8'))
+  } catch (err) {
+    next(err)
+  }
+}
+
+module.exports = {
+  downloadHTML,
+  download,
+}

lib/routes/error.js

@@ -0,0 +1,16 @@
+const error = (req, res) => {
+  const error = req.error || req.query.error || ''
+
+  res
+    .status(500)
+    .render('error', { error })
+}
+
+const notFound = (req, res) => {
+  res.status(400).render('404')
+}
+
+module.exports = {
+  error,
+  notFound,
+}

lib/routes/index.js

@@ -0,0 +1,9 @@
+const { error, notFound } = require('./error')
+const { download, downloadHTML } = require('./download')
+
+module.exports = {
+  error,
+  notFound,
+  download,
+  downloadHTML,
+}