class User include Mongoid::Document devise :database_authenticatable, :recoverable, :rememberable, :trackable, :registerable mount_uploader :avatar, AvatarUploader field :admin, :type => Boolean, :default => true field :active_roles, :type => Array embeds_many :user_roles embeds_many :user_infos before_save :clean_active_roles # Update or create the user_role records def user_roles=(*attrs) attrs[0].each do |roles| if roles[:id].blank? user_roles.build(roles) else user_role = user_roles.detect {|a| a.id.to_s == roles[:id].to_s } user_role.update_attributes(roles) end end end # Get an user_info from model key def get_info_from_model_key(key) self.user_infos.detect {|a| a.key.to_s == key.to_s } end # Get an user_role from model key def get_role_from_model_key(key) self.user_roles.detect {|a| a.key.to_s == key.to_s } end # Get the active user_role_models def get_active_role_models self.active_roles.map{ |role| get_role_model(role) } rescue [] end # Get an user_role_model from key def get_role_model(key) UserRoleModel.first(:conditions => {:key => key}) end # Get the active roles names or default to '-' def get_roles (self.active_roles.nil? || self.active_roles.empty?) ? '-' : self.active_roles.map{|role| I18nVariable.first(:conditions => {:key => role})[I18n.locale] rescue role}.join(' / ') end protected # Remove empty values def clean_active_roles self.active_roles.delete('') if self.active_roles end end