redmine/db/migrate/047_add_boards_permissions.rb

class AddBoardsPermissions < ActiveRecord::Migration[4.2]
  # model removed
  class Permission < ActiveRecord::Base; end

  def self.up
    Permission.create :controller => "boards", :action => "new", :description => "button_add", :sort => 2000, :is_public => false, :mail_option => 0, :mail_enabled => 0
    Permission.create :controller => "boards", :action => "edit", :description => "button_edit", :sort => 2005, :is_public => false, :mail_option => 0, :mail_enabled => 0
    Permission.create :controller => "boards", :action => "destroy", :description => "button_delete", :sort => 2010, :is_public => false, :mail_option => 0, :mail_enabled => 0
  end

  def self.down
    Permission.where(:controller => "boards", :action => "new").each {|p| p.destroy}
    Permission.where(:controller => "boards", :action => "edit").each {|p| p.destroy}
    Permission.where(:controller => "boards", :action => "destroy").each {|p| p.destroy}
  end
end