Skip to content

Instantly share code, notes, and snippets.

@dira

dira/reflect_on_associations.rb

Created January 9, 2018 14:03
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save dira/2a061cd6ede046c6994fc767e70273c3 to your computer and use it in GitHub Desktop.
Save dira/2a061cd6ede046c6994fc767e70273c3 to your computer and use it in GitHub Desktop.
Download ZIP
Rails - use reflection to get all declared ActiveRecord associations between entities
Raw
reflect_on_associations.rb
Rails.application.eager_load!
data = ActiveRecord::Base.descendants.map{|klass| [klass, klass.reflections.map{|k, v| [v.class.name, k]}] }
data.map{|klass, relations| relations.map{|k, v| "#{klass} #{k.gsub('ActiveRecord::Reflection::', '').gsub('Reflection', '').underscore.humanize.downcase} #{v}"} }.flatten
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment