Simon Says Roleable

admin.rb

class Admin < ActiveRecord::Base
  include SimonSays::Roleable

  has_roles :design, :support, :moderator, as: :access
end

# > Admin.new.access
# => []

# > Admin.new(access: :support).access
# => [:support]

membership.rb

class Membership < ActiveRecord::Base
  include SimonSays::Roleable

  belongs_to :user
  belongs_to :document

  has_roles :download, :edit, :delete,
end

# > Membership.new(roles: Membership::ROLES).roles
# => [:download, :edit, :delete]

user.rb

class User < ActiveRecord::Base
  include SimonSays::Roleable

  has_roles :add, :edit, :delete
end

# > User.new.roles
# => []

# > u = User.new(roles: %i[add edit])
#
# > u.roles
# => [:add, :edit]
# > u.has_add?
# => true
# > u.has_delete?
# => false