Estimated time recognizes improved time formats (#1092).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1361 e93f8b46-1217-0410-a6f0-8f06a7374b81

1 files changed, 40 insertions, 0 deletions

diff --git a/lib/redmine/core_ext/string/conversions.rb b/lib/redmine/core_ext/string/conversions.rb
new file mode 100644
index 000000000..7444445b0
--- /dev/null
+++ b/lib/redmine/core_ext/string/conversions.rb
@@ -0,0 +1,40 @@
+# redMine - project management software
+# Copyright (C) 2008  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 Redmine #:nodoc:
+  module CoreExtensions #:nodoc:
+    module String #:nodoc:
+      # Custom string conversions
+      module Conversions
+        # Parses hours format and returns a float
+        def to_hours
+          s = self.dup
+          s.strip!
+          unless s =~ %r{^[\d\.,]+$}
+            # 2:30 => 2.5
+            s.gsub!(%r{^(\d+):(\d+)$}) { $1.to_i + $2.to_i / 60.0 }
+            # 2h30, 2h, 30m => 2.5, 2, 0.5
+            s.gsub!(%r{^((\d+)\s*(h|hours?))?\s*((\d+)\s*(m|min)?)?$}) { |m| ($1 || $4) ? ($2.to_i + $5.to_i / 60.0) : m[0] }
+          end
+          # 2,5 => 2.5
+          s.gsub!(',', '.')
+          s.to_f
+        end
+      end
+    end
+  end
+end