From 3e9464d858342f41a1c90fe51bb9773f5e2917eb Mon Sep 17 00:00:00 2001
From: Martin Puppe <mp@mpuppe.de>
Date: Sun, 17 Dec 2017 14:04:51 +0100
Subject: [PATCH] Fix error with newly created Uberspace accounts

Newly created Uberspace accounts do not display an account balance on
the accounting page. The script has to handle that case.
---
 Uberspace.lua | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Uberspace.lua b/Uberspace.lua
index 099c48d..f1bae9a 100644
--- a/Uberspace.lua
+++ b/Uberspace.lua
@@ -52,6 +52,11 @@ function RefreshAccount (account, since)
   function ParseAmount (amountString)
     local pattern = '(%-?%d+),(%d%d)'
     local euro, cent = amountString:match(pattern)
+
+    if not euro or not cent then
+      return nil
+    end
+
     euro = tonumber(euro)
     cent = tonumber(cent) / 100
     if euro < 0 then
@@ -90,8 +95,11 @@ function RefreshAccount (account, since)
     })
   end
 
-  balanceElement = html:xpath('//*[@id="total"]')
-  balance = ParseAmount(balanceElement:text())
+  local balanceElement = html:xpath('//*[@id="total"]')
+  local balance = ParseAmount(balanceElement:text())
+  if not balance then
+    balance = 0
+  end
   return {balance=balance, transactions=transactions}
 end