Working on network online offline detection

app/js/app_api.js

@@ -1,5 +1,21 @@
 async function api_token_request_async(axios, secret_key) {
   console.log('Requesting API temporary token...');
+  
+  if (waiting_on_api_token) {
+    console.log('Already waiting on an API token request. Not starting another until finished.');
+    return false;
+  } else {
+    
+  }
+  
+  if (navigator.onLine) {
+  } else {
+    app_online = false;
+    return false;
+  }
+  
+  waiting_on_api_token = true;
+  
   const url = '/api_token_request';
   
   let data = { secret_key: secret_key };
@@ -13,8 +29,10 @@ async function api_token_request_async(axios, secret_key) {
     })
     .catch(function (error) {
       console.error(error);
-      return error;
+      return false;
     });
+  
+  waiting_on_api_token = false;
   return response;
 }