redmine/app/models/enabled_module.rb

# Redmine - project management software
# Copyright (C) 2006-2017  Jean-Philippe Lang
#
# 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.

class EnabledModule < ActiveRecord::Base
  belongs_to :project
  acts_as_watchable

  validates_presence_of :name
  validates_uniqueness_of :name, :scope => :project_id

  after_create :module_enabled

  private

  # after_create callback used to do things when a module is enabled
  def module_enabled
    case name
    when 'wiki'
      # Create a wiki with a default start page
      if project && project.wiki.nil?
        Wiki.create(:project => project, :start_page => 'Wiki')
      end
    end
  end
end