Added time report.

Report can be generated by member/activity/tracker/version and year/month/week for the selected period.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@572 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/timelog_helper.rb

@@ -1,2 +1,30 @@
+# redMine - project management software
+# Copyright (C) 2006  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
 module TimelogHelper
+  def select_hours(data, criteria, value)
+    data.select {|row| row[criteria] == value.to_s}
+  end
+  
+  def sum_hours(data)
+    sum = 0
+    data.each do |row|
+      sum += row['hours'].to_f
+    end
+    sum
+  end
 end