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Pass control of Active Record methods to a dedicated object.
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 Project Readme

ActiveRecord::Ingress

Pass control of Active Record methods to a dedicated object.

Usage

ActiveRecord::Ingress adds proxy forwarding method ingressed to any ActiveRecord::Base instance.

So post.ingressed.update(title: "Updated title") would look up a Post::Ingressed::Update class, instance and execute its perform method:

# app/models/post/ingressed/update.rb
class Post::Ingressed::Update < ActiveRecord::Ingress::Base
  # Each ingress has `params`, containing any passed keyword arguments.
  # This extracts `params[:title]` and Ruby's keyword arguments handling will prevent accepting other arguments.
  def perform(title:)
    post.update(title: title)
  end
end

Ingresses can be used to create other forwarding too. Here, a post.ingressed.publish is added:

# app/models/post/ingressed/publish.rb
class Post::Ingressed::Publish < ActiveRecord::Ingress::Base
  def perform
    # Forwards to `record.transaction`
    transaction do
      post.published!
      Post::Promotions.recognize_recently_published post
    end
  end
end

It's also possible to annotate an ingress on the model side so it's always used:

class Post < ActiveRecord::Base
  ingressed :publish # defines `publish` that delegates to `ingressed.publish`
end

Installation

Install the gem and add to the application's Gemfile by executing:

$ bundle add active_record-ingress

If bundler is not being used to manage dependencies, install the gem by executing:

$ gem install active_record-ingress

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/kaspth/active_record-ingress.

License

The gem is available as open source under the terms of the MIT License.