#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2020 the OpenProject GmbH
#
# 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 docs/COPYRIGHT.rdoc for more details.
#++

class MeetingParticipant < ApplicationRecord
  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