openproject/app/helpers/reports_helper.rb

#-- encoding: UTF-8
#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2013 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# 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.
#
# See doc/COPYRIGHT.rdoc for more details.
#++

module ReportsHelper

  def aggregate(data, criteria)
    a = 0
    data.each { |row|
      match = 1
      criteria.each { |k, v|
        match = 0 unless (row[k].to_s == v.to_s) || (k == 'closed' && row[k] == (v == 0 ? "f" : "t"))
      } unless criteria.nil?
      a = a + row["total"].to_i if match == 1
    } unless data.nil?
    a
  end

  def aggregate_link(data, criteria, *args)
    a = aggregate data, criteria
    a > 0 ? link_to(h(a), *args) : '-'
  end
end