Fall back to downloading the JSON file if network saves fail

1 files changed, 29 insertions, 24 deletions

diff --git a/srs-anywhere-network.js b/srs-anywhere-network.js
index 8d972cc..40291a8 100644
--- a/srs-anywhere-network.js
+++ b/srs-anywhere-network.js
@@ -71,33 +71,38 @@ window.addEventListener("load", () => {
 
 const downloadJSONOld = downloadJSON;
 function downloadJSON(obj) {
-  const password = document.getElementById('network-password').value;
-  const xhr = new XMLHttpRequest();
-  xhr.open('POST', '/cgi-bin/deck.py', true);
-  xhr.setRequestHeader('PASSWORD', password);
-  xhr.onreadystatechange = function () {
-    if (xhr.readyState === XMLHttpRequest.DONE) {
-      if (xhr.status < 200 || xhr.status >= 300) {
-        reportException(xhr.statusText);
+  try {
+    const password = document.getElementById('network-password').value;
+    const xhr = new XMLHttpRequest();
+    xhr.open('POST', '/cgi-bin/deck.py', true);
+    xhr.setRequestHeader('PASSWORD', password);
+    xhr.onreadystatechange = function () {
+      if (xhr.readyState === XMLHttpRequest.DONE) {
+        if (xhr.status < 200 || xhr.status >= 300) {
+          reportException(xhr.statusText);
 
-        const jsonString = JSON.stringify(obj, null, 2);
-        const blob = new Blob([jsonString], { type: 'application/json' });
-        const url = URL.createObjectURL(blob);
+          const jsonString = JSON.stringify(obj, null, 2);
+          const blob = new Blob([jsonString], { type: 'application/json' });
+          const url = URL.createObjectURL(blob);
 
-        // Create a "ghost" anchor to trigger the download
-        const a = document.createElement('a');
-        a.href = url;
-        a.download = 'data.json';
+          // Create a "ghost" anchor to trigger the download
+          const a = document.createElement('a');
+          a.href = url;
+          a.download = 'data.json';
 
-        // Append to body, click it, and remove it immediately
-        document.body.appendChild(a);
-        a.click();
-        document.body.removeChild(a);
+          // Append to body, click it, and remove it immediately
+          document.body.appendChild(a);
+          a.click();
+          document.body.removeChild(a);
 
-        //  Clean up the URL object to free up memory
-        URL.revokeObjectURL(url);
+          //  Clean up the URL object to free up memory
+          URL.revokeObjectURL(url);
+        }
       }
-    }
-  };
-  xhr.send(JSON.stringify(window.allCards, null, 2));
+    };
+    xhr.send(JSON.stringify(window.allCards, null, 2));
+  } catch (e) {
+    reportException(e);
+    downloadJSONOld(obj);
+  }
 }