ActiveInteraction w/ Literal

example.rb

require "literal"
require "active_interaction"

class ActiveInteractionTest < ActiveInteraction::Base
  string :full_name
  string :email, default: -> { "#{full_name}@developer.com" }

  def execute = "#{full_name} has an email of #{email}!"
end

class LiteralInteractionTest < ActiveInteraction::Base
  extend Literal::Properties
  prop :full_name, _String, reader: :public
  prop :email, _String?, default: -> { "#{full_name}@developer.com" }, reader: :public

  def execute = "#{full_name} has an email of #{email}!"
end

# Shim to get Literal::Properties to work with ActiveInteraction. I think...
module ActiveInteraction::Runnable::ClassMethods
  def new(*args, **kwargs, &block)
    if ancestors.include?(Literal::Properties::DocString)

      super(**kwargs)
    else
      super
    end.tap do |instance|
      {
        :@_interaction_errors => ActiveInteraction::Errors.new(instance),
        :@_interaction_result => nil
      }.each do |symbol, obj|
        instance.instance_variable_set(symbol, obj)
      end
    end
  end

  def run(...)
    new(...).tap { |instance| instance.send(:run) }
  end

  def run!(...)
    new(...).send(:run!)
  end
end

puts ActiveInteractionTest.run!(full_name: "John", email: "[email protected]")
puts ActiveInteractionTest.run!(full_name: "John")

puts LiteralInteractionTest.run!(full_name: "John", email: "[email protected]") # fails beccause `full_name` is not callable from default
puts LiteralInteractionTest.run!(full_name: "John")