openproject/lib/open_project/costs/patches/project_patch.rb

#-- copyright
# OpenProject Costs Plugin
#
# Copyright (C) 2009 - 2014 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.
#
# 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 OpenProject::Costs::Patches::ProjectPatch
  def self.included(base) # :nodoc:
    base.extend(ClassMethods)
    base.include(InstanceMethods)

    base.class_eval do
      has_many :cost_objects, dependent: :destroy
      has_many :rates, class_name: 'HourlyRate'

      has_many :member_groups, -> {
        includes(:principal)
          .where("#{Principal.table_name}.type='Group'")
      }, class_name: 'Member'
      has_many :groups, through: :member_groups, source: :principal
    end
  end

  module ClassMethods
  end

  module InstanceMethods
    def costs_enabled?
      module_enabled?(:costs_module)
    end
  end
end