From edea39d43121fa45aed961bf9d7f55179807411e Mon Sep 17 00:00:00 2001
From: Martin Edenhofer <me@edenhofer.de>
Date: Thu, 12 Feb 2015 00:04:46 +0100
Subject: [PATCH] Improved error handling.

---
 lib/import/otrs2.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/import/otrs2.rb b/lib/import/otrs2.rb
index 6a91e7b5f..f653ed7de 100644
--- a/lib/import/otrs2.rb
+++ b/lib/import/otrs2.rb
@@ -971,6 +971,12 @@ module Import::OTRS2
       # check if agent already exists
       user_old = User.where( :id => user_new[:id] ).first
 
+      # check if login is already used
+      login_in_use = User.where( "login = ? AND id != #{user_new[:id]}", user_new[:login].downcase ).count
+      if login_in_use > 0
+        user_new[:login] = "#{user_new[:login]}_#{user_new[:id]}"
+      end
+
       # create / update agent
       if user_old
         puts "update User.find(#{user_old[:id]})"