2 files changed, 22 insertions, 0 deletions
diff --git a/website/static/website/js/cloud.js b/website/static/website/js/cloud.js
index a34f359..43f035f 100644
--- a/website/static/website/js/cloud.js
+++ b/website/static/website/js/cloud.js
@@ -1,3 +1,7 @@
+window.setInterval(function(){
+  checkserver();
+}, 5000);
+
 /* Ajax loader */
 function ajax_loader(key) {
     if (key == "clear") {
@@ -38,6 +42,8 @@ function checkInput(){
 /**************************** math captcha function end *******************/
 $(document.body).ready(function() {
 
+    checkserver();
+
     var editor = CodeMirror.fromTextArea(document.getElementById(
         "code"), {
         lineNumbers: true,
@@ -651,6 +657,7 @@ $(document.body).ready(function() {
     $plotbox = $("#plotbox");
 
     $(document).on("click", "#execute", function() {
+        checkserver();
         if(editor.getValue() != ""){
         ajax_loader(this);
         $("#execute-inner").html("Executing...");
@@ -1060,3 +1067,15 @@ function doSubmit(){
     }
 }
 
+function checkserver(){
+
+    $.ajax({url: api_url,
+            dataType: "jsonp",
+            statusCode: {
+                404: function (response) {
+                    alert("Oops! R cloud server is not available, please try after some time");
+                }
+            }
+     });
+}
+
diff --git a/website/static/website/templates/index.html b/website/static/website/templates/index.html
index fe31f5b..18dd01b 100644
--- a/website/static/website/templates/index.html
+++ b/website/static/website/templates/index.html
@@ -624,6 +624,9 @@
     <script src="{% static 'website/js/javascript.js'%}"></script>
     <script src="{% static 'website/js/fullscreen.js'%}"></script>
     <script src="{% static 'website/js/placeholder.js'%}"></script>
+    <script>
+        var api_url = "{{ api_url }}";
+    </script>
     <script src="{% static 'website/js/cloud.js' %}"></script>
     <script src="{% static 'website/js/jsdiff.js'%}"></script>
     {% csrf_token %}