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# Redmine - project management software

# Copyright (C) 2006-2012  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 Date #:nodoc:

      # Custom date calculations

      module Calculations

        # Returns difference with specified date in months

        def months_ago(date = self.class.today)

          (date.year - self.year)*12 + (date.month - self.month)

        end

        # Returns difference with specified date in weeks

        def weeks_ago(date = self.class.today)

          (date.year - self.year)*52 + (date.cweek - self.cweek)

        end

      end

    end

  end

end

api.array :errors do

  @error_messages.each do |message|

    api.error message

  end

end