From 704898a05bfbb2370d1b5db874fffdaffefd12a4 Mon Sep 17 00:00:00 2001
From: Martin Edenhofer <me@edenhofer.de>
Date: Fri, 30 May 2014 15:36:07 +0200
Subject: [PATCH] Improved saving of escalation calculation (just if needed).

---
 app/models/ticket/escalation.rb | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/app/models/ticket/escalation.rb b/app/models/ticket/escalation.rb
index 884ea2325..d018d119a 100644
--- a/app/models/ticket/escalation.rb
+++ b/app/models/ticket/escalation.rb
@@ -41,6 +41,10 @@ returns
     # set escalation off if ticket is already closed
     ticket_state = Ticket::State.lookup( :id => self.ticket_state_id )
     if ticket_state.ignore_escalation?
+
+      # nothing to change
+      return true if !self.escalation_time
+
       self.escalation_time            = nil
       #      self.first_response_escal_date  = nil
       #      self.close_time_escal_date      = nil
@@ -54,6 +58,10 @@ returns
 
     # reset escalation if no sla is set
     if !sla_selected
+
+      # nothing to change
+      return true if !self.escalation_time
+
       self.escalation_time            = nil
       #      self.first_response_escal_date  = nil
       #      self.close_time_escal_date      = nil
@@ -146,8 +154,10 @@ returns
     if sla_selected.close_time && self.close_time_in_min
       self.close_time_diff_in_min = sla_selected.close_time - self.close_time_in_min
     end
-    self.callback_loop = true
-    self.save
+    if self.changed?
+      self.callback_loop = true
+      self.save
+    end
   end
 
 =begin