module RemoteDb
  module Concerns
    module ReadOnlyModel
      extend ActiveSupport::Concern

      included do
        attr_readonly(*column_names) unless abstract_class?
      end

      module ClassMethods
        def delete(id_or_array)
          raise ActiveRecord::ReadOnlyRecord
        end

        def delete_all(conditions = nil)
          raise ActiveRecord::ReadOnlyRecord
        end

        def update_all(conditions = nil)
          raise ActiveRecord::ReadOnlyRecord
        end
      end

      def readonly?
        true
      end

      def destroy
        raise ActiveRecord::ReadOnlyRecord
      end

      def delete
        raise ActiveRecord::ReadOnlyRecord
      end

      def update_column
        raise ActiveRecord::ReadOnlyRecord
      end
    end
  end
end