From f7a6944363818bd629a0981e5e89e010e4b4d5da Mon Sep 17 00:00:00 2001
From: TheJoKlLa <thejoklla@gmail.com>
Date: Thu, 28 Apr 2022 13:57:11 +0200
Subject: [PATCH] Fixed: #57

---
 Borepin/Borepin/PageModel/ScanURNPageModel.cs | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/Borepin/Borepin/PageModel/ScanURNPageModel.cs b/Borepin/Borepin/PageModel/ScanURNPageModel.cs
index b7484a0..52bdeae 100644
--- a/Borepin/Borepin/PageModel/ScanURNPageModel.cs
+++ b/Borepin/Borepin/PageModel/ScanURNPageModel.cs
@@ -1,5 +1,6 @@
 using Borepin.Base;
 using Borepin.Service.BFFH;
+using Borepin.Service.BFFH.Exceptions;
 using FabAccessAPI.Schema;
 using Prism.Commands;
 using Prism.Navigation;
@@ -97,8 +98,21 @@ namespace Borepin.PageModel
                 return;
             }
             // END HACK
+            string id = null;
+            try
+            {
+                id = await QRToID(ScanResult.Text).ConfigureAwait(false);
+            }
+            catch(ReconnectingFailedException)
+            {
+                Device.BeginInvokeOnMainThread(async () =>
+                {
+                    await _PageDialogService.DisplayAlertAsync("Connection failed", "Please reconnect to the server.", "OK").ConfigureAwait(false);
+                    IsScanning = true;
+                });
 
-            string id = await QRToID(ScanResult.Text).ConfigureAwait(false);
+                return;
+            }
 
             if (id != null)
             {
@@ -119,13 +133,18 @@ namespace Borepin.PageModel
                     await _PageDialogService.DisplayAlertAsync("Alert", "QR Code is invalid", "OK").ConfigureAwait(false);
                     IsScanning = true;
                 });
+                return;
             }
+
+            IsScanning = true;
         }
 
         public async Task<string> QRToID(string value)
         {
             if (!_BFFHService.IsConnected)
             {
+                await _BFFHService.Reconnect().ConfigureAwait(false);
+                
                 IsConnected = false;
                 return null;
             }