Added calendar

static/js/calendar.js

@@ -0,0 +1,49 @@
+var loadingDiv = document.getElementById('loading');
+var errorDiv = document.getElementById('error');
+var resultDiv = document.getElementById('result');
+const timeout = 10000;
+var emptyCoursesShown = false;
+var calendar;
+
+function getTable() {
+    // Send XHR to totalTable
+    loadingDiv.style.display = "";
+    errorDiv.style.display = "none";
+
+    let xhr = new XMLHttpRequest();
+    xhr.timeout = timeout;
+    xhr.onreadystatechange = function() {
+        if (xhr.readyState === XMLHttpRequest.DONE) {
+            if (xhr.status === 200) {
+                let events = JSON.parse(xhr.responseText);
+                setData(events);
+            } else {
+                setError();
+            }
+        }
+    };
+    xhr.open('GET', CALENDAR_URL, true);
+    xhr.send();
+}
+
+function setData(events) {
+    console.log(events);
+    loadingDiv.style.display = "none";
+    errorDiv.style.display = "none";
+    calendar = new FullCalendar.Calendar(resultDiv, {
+        events: events,
+        defaultView: 'agendaWeek',
+        minTime: "07:00:00",
+        maxTime: "19:00:00",
+        timeZone: 'UTC',
+    });
+    calendar.render();
+}
+
+function setError() {
+    loadingDiv.style.display = "none";
+    errorDiv.style.display = "";
+}
+
+document.getElementById('tryAgain').addEventListener('click', getTable);
+getTable();