Example Transaction 2

transactions_post_create.rb

module Transactions
  module Posts
    Create = Dry.Transaction(container: {}) do
      step :validate,     with: Components::Common::Validate.call(schema: Schemas::Post::Create)
      step :load_topic,   with: Components::Common::LoadModel.call(id: :topic_id, class: Topic, model: :topic)
      step :build_post,   with: Components::Posts::Create::BuildPost
      step :save_post,    with: Components::Common::Save.call(model: :post)
      step :extract_post, with: Components::Common::Extract::Extract(key: :post)
    end
  end
end