openproject/app/models/query_custom_field_column.rb

#-- 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.
#++

class QueryCustomFieldColumn < QueryColumn

  def initialize(custom_field)
    self.name = "cf_#{custom_field.id}".to_sym
    self.sortable = custom_field.order_statement || false
    if %w(list date bool int).include?(custom_field.field_format)
      self.groupable = custom_field.order_statement
    end
    self.groupable ||= false
    @cf = custom_field
  end

  def caption
    @cf.name
  end

  def custom_field
    @cf
  end

  def value(issue)
    cv = issue.custom_values.detect {|v| v.custom_field_id == @cf.id}
    cv && @cf.cast_value(cv.value)
  end
end