Don't notify users about relations that are not visible (#1005).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12015 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/journal.rb

@@ -68,6 +68,19 @@ class Journal < ActiveRecord::Base
     end
   end
 
+  def each_notification(users, &block)
+    if users.any?
+      users_by_details_visibility = users.group_by do |user|
+        visible_details(user)
+      end
+      users_by_details_visibility.each do |visible_details, users|
+        if notes? || visible_details.any?
+          yield(users)
+        end
+      end
+    end
+  end
+
   # Returns the new status if the journal contains a status change, otherwise nil
   def new_status
     c = details.detect {|detail| detail.prop_key == 'status_id'}