Contents

require "scenic/active_record/command_recorder/statement_arguments"

module Scenic
  module ActiveRecord
    module CommandRecorder
      def create_view(*args)
        record(:create_view, args)
      end

      def drop_view(*args)
        record(:drop_view, args)
      end

      def update_view(*args)
        record(:update_view, args)
      end

      def invert_create_view(args)
        [:drop_view, args]
      end

      def invert_drop_view(args)
        perform_scenic_inversion(:create_view, args)
      end

      def invert_update_view(args)
        perform_scenic_inversion(:update_view, args)
      end

      private

      def perform_scenic_inversion(method, args)
        scenic_args = StatementArguments.new(args)

        if scenic_args.revert_to_version.nil?
          message = "#{method} is reversible only if given a revert_to_version"
          raise ::ActiveRecord::IrreversibleMigration, message
        end

        [method, scenic_args.invert_version.to_a]
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
scenic-0.1.0	lib/scenic/active_record/command_recorder.rb