TO be Completed.

content/js/calendrier.js

@@ -0,0 +1,101 @@
+
+const http = require('http')
+const ical = require('ical')
+
+function createEventEntry (event) {
+  const entry = document.createElement('div')
+  const formatDate = Intl.DateTimeFormat('fr', { dateStyle: 'long', timeStyle: 'short' }).format
+  const header = document.createElement('h3')
+
+  header.textContent = formatDate(event.date) + ' | ' + event.summary
+
+  entry.className = 'event-entry'
+  entry.setAttribute('entry-time', event.date.getTime())
+  entry.appendChild(header)
+
+  return entry
+}
+
+function sortEvents (events) {
+  const sorted = []
+
+  /* First extract the events. */
+  Object.values(events).forEach(event => {
+    if (event.type === 'VEVENT') {
+      sorted.push({
+        date: event.start,
+        location: event.location,
+        summary: event.summary
+      })
+    }
+  })
+
+  /* Then sort them out. */
+  // TODO: Useless here. Should be done on callbacks below
+  return sorted.sort((a, b) => { return a.date < b.date })
+}
+
+function loadEvents (cb) {
+  http.request({
+    //    host: 'www.ti-nuage.fr',
+    host: 'test-www.ti-nuage.fr',
+    path: '/donnees/calendrier.php'
+  }, function (response) {
+    let str = ''
+
+    response.on('data', function (chunk) {
+      str += chunk
+    })
+
+    response.on('end', function () {
+      const events = sortEvents(ical.parseICS(str))
+      cb(events)
+    })
+  }).end()
+}
+
+module.exports = {
+
+  fill: function (target) {
+    loadEvents(events => {
+      events.forEach(event => {
+        target.appendChild(createEventEntry(event))
+      })
+    })
+  },
+
+  mergeWithNews: function (target) {
+    const blogEntries = target.getElementsByClassName('blog-entry')
+    const entries = {}
+
+    for (let i = 0; i < blogEntries.length; ++i) {
+      const item = blogEntries.item(i)
+      entries[item.getAttribute('entry-time')] = item
+    }
+
+    loadEvents(events => {
+      target.innerHTML = ''
+
+      /* Merge events with blog entries */
+      events.forEach(event => {
+        entries[event.date.getTime()] = createEventEntry(event)
+      })
+
+      /* Sort and only keep entries up to the next 30 days */
+      const limitTime = Date.now() + (30 * 24 * 60 * 60 * 1000)
+      const times = Object.keys(entries).sort(function (a, b) { return a < b })
+
+      for (let i = times.length; i--;) {
+        if (times[i] > limitTime) {
+          times.splice(i, 1)
+        }
+      }
+
+      /* Finally display only the first six entries */
+      times.splice(5, times.length)
+      times.forEach(time => {
+        target.appendChild(entries[time])
+      })
+    })
+  }
+}