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# Redmine - project management software

# Copyright (C) 2006-2011  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 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(a, *args) : '-'

  end

end