add exception and notification when not logged in

addon.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <addon  id="plugin.video.emby"
         name="Emby" 
-        version="2.3.16"
+        version="2.3.17"
         provider-name="Emby.media">
   <requires>
     <import addon="xbmc.python" version="2.19.0"/>

resources/lib/database.py

@@ -233,5 +233,5 @@ def db_reset():
 
     dialog.ok(heading=language(29999), line1=language(33088))
     xbmc.executebuiltin('RestartApp')
-    return xbmcplugin.setResolvedUrl(int(sys.argv[1]), False, xbmcgui.ListItem())
+    #return xbmcplugin.setResolvedUrl(int(sys.argv[1]), False, xbmcgui.ListItem())
     

resources/lib/downloadutils.py

@@ -225,6 +225,14 @@ class DownloadUtils(object):
                     'headers': self.get_header(server_id, authenticate)
                 })
 
+            if not server['Server'] or not server['UserId']:
+                log.error("Server or UserId not set, not logged in, returning None")
+                xbmcgui.Dialog().notification(heading=lang(29999),
+                                              message="Not Logged In",
+                                              icon=xbmcgui.NOTIFICATION_ERROR,
+                                              time=5000)
+                raise internal_exceptions.ExceptionWrapper("Not Logged In")
+
             # Replace for the real values
             url = url.replace("{server}", server['Server'])
             url = url.replace("{UserId}", server['UserId'])