openproject/app/models/custom_value/list_strategy.rb

#-- encoding: UTF-8

#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2017 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) 2006-2017 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 CustomValue::ListStrategy < CustomValue::ARObjectStrategy
  def validate_type_of_value
    unless custom_field.custom_options.pluck(:id).include?(value.to_i)
      :inclusion
    end
  end

  def typed_value
    super_value = super
    super_value && super_value.to_s || nil
  end

  private

  def ar_class
    CustomOption
  end

  def ar_object(value)
    CustomOption.where(id: value.to_s).limit(1).map(&:value).first || "#{value} not found"
  end
end