Updated to handle no qbo exception

app/models/qbo.rb

@@ -14,6 +14,26 @@ class Qbo < ActiveRecord::Base
   include Redmine::I18n
 
   validate :single_record_only, on: :create
+
+  # Returns the last sync time formatted for display. If no sync has occurred, returns a default message.
+  def self.last_sync
+    qbo = QboConnectionService.current!
+    format_time(qbo.last_sync)
+  rescue
+    return I18n.t(:label_qbo_never_synced)
+  end
+
+  def self.oauth2_access_token_expires_at
+    QboConnectionService.current!.oauth2_access_token_expires_at
+  rescue
+    return I18n.t(:label_qbo_never_synced)
+  end
+
+  def self.oauth2_refresh_token_expires_at
+    QboConnectionService.current!.oauth2_refresh_token_expires_at
+  rescue
+    return I18n.t(:label_qbo_never_synced)
+  end
   
   # Updates last sync time stamp
   def self.update_time_stamp
@@ -24,14 +44,6 @@ class Qbo < ActiveRecord::Base
     qbo.save
   end
   
-  # Returns the last sync time formatted for display. If no sync has occurred, returns a default message.
-  def self.last_sync
-    qbo = QboConnectionService.current!
-    format_time(qbo.last_sync)
-  rescue
-    return I18n.t(:label_qbo_never_synced)
-  end
-
   private
 
   # Logs a message with a QBO-specific prefix for easier identification in the logs.

app/views/qbo/_settings.html.erb

@@ -66,12 +66,12 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
 
      <tr>
         <th><%=t(:label_oauth_expires)%></th>
-        <td><%= QboConnectionService.current!&.oauth2_access_token_expires_at %>
+        <td><%= Qbo.oauth2_access_token_expires_at %>
       </tr>
       
       <tr>
         <th><%=t(:label_oauth2_refresh_token_expires_at)%></th>
-        <td><%= QboConnectionService.current!&.oauth2_refresh_token_expires_at %>
+        <td><%= Qbo.oauth2_refresh_token_expires_at %>
      </tr>
 
   </tbody>