Fixed that settings raises an error if not trackers exist (#11467).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10067 e93f8b46-1217-0410-a6f0-8f06a7374b81

1 files changed, 10 insertions, 2 deletions

diff --git a/app/models/tracker.rb b/app/models/tracker.rb
index 472b94b31..9b3f6afe6 100644
--- a/app/models/tracker.rb
+++ b/app/models/tracker.rb
@@ -92,12 +92,20 @@ class Tracker < ActiveRecord::Base
 
   # Returns the fields that are disabled for all the given trackers
   def self.disabled_core_fields(trackers)
-    trackers.uniq.map(&:disabled_core_fields).reduce(:&)
+    if trackers.present?
+      trackers.uniq.map(&:disabled_core_fields).reduce(:&)
+    else
+      []
+    end
   end
 
   # Returns the fields that are enabled for one tracker at least
   def self.core_fields(trackers)
-    trackers.uniq.map(&:core_fields).reduce(:|)
+    if trackers.present?
+      trackers.uniq.map(&:core_fields).reduce(:|)
+    else
+      CORE_FIELDS.dup
+    end
   end
 
 private