#-- copyright
# OpenProject Meeting Plugin
#
# Copyright (C) 2011-2014 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.
#
# See doc/COPYRIGHT.md for more details.
#++

class MeetingParticipant < ActiveRecord::Base
  belongs_to :meeting
  belongs_to :user

  scope :invited, -> { where(invited: true) }
  scope :attended, -> { where(attended: true) }

  User.before_destroy do |user|
    MeetingParticipant.where(['user_id = ?', user.id]).update_all ['user_id = ?', DeletedUser.first]
  end

  def name
    user.present? ? user.name : name
  end

  def mail
    user.present? ? user.mail : mail
  end

  def <=>(participant)
    to_s.downcase <=> participant.to_s.downcase
  end

  alias :to_s :name

  def copy_attributes
    # create a clean attribute set allowing to attach participants to different meetings
    attributes.reject { |k, _v| ['id', 'meeting_id', 'attended', 'created_at', 'updated_at'].include?(k) }
  end
end