From fa00222f58c835911924f614a7f38314f7c36ea0 Mon Sep 17 00:00:00 2001
From: Johan van Soest <j.vansoest@maastrichtuniversity.nl>
Date: Mon, 27 May 2024 15:16:59 +0200
Subject: [PATCH] added messages when backend is not available or response from
 server is not ok (!=200)

---
 src/templates/cee.html | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/templates/cee.html b/src/templates/cee.html
index 40468d0..aef800b 100644
--- a/src/templates/cee.html
+++ b/src/templates/cee.html
@@ -83,19 +83,31 @@
       const meta = cee.currentMetadata;
       const info = cee.templateInfo;
       const xhr = new XMLHttpRequest();
+      xhr.onerror = function(e){
+        alert("An error occured while saving the form. Server response not received.");
+      };
       payload = {
         'metadata': meta,
         'info': info
       }
+
       if (!cee.templateInfo) {
         xhr.open("POST", window.location.origin + "/api/cedar/store");
       } else {
         xhr.open("PUT", window.location.origin + "/api/cedar/store");
       }
+      
       xhr.setRequestHeader("Accept", "application/json");
       xhr.setRequestHeader("Content-Type", "application/json");
+    
+      xhr.onload = () => {
+        if (xhr.status == 200) {
+          window.location.href = window.location.origin
+        } else {
+          window.alert("An error occured while saving the form. Please try again later.")
+        }
+      };
       xhr.send(JSON.stringify(payload, null, 2));
-      console.log("Attempted to store data");
     }
   </script>
 </head>