A quick hacky function to see the classes necessary to create an ActiveRecord object.

irb.rb

# A quick hacky function to see the other ActiveRecord objects necessary to create an ActiveRecord object.
# There might be a better way to do this natively.

# these are both one line so they can be quickly found with Ctrl+R
def _needs(obj) = (if obj.nil? then return obj end; props = obj.class.columns.map(&:name).filter{_1.ends_with?("_id") && _1 != "reference_id"}.map{_1.gsub('_id', '')}; if props.nil? || props.size == 0 then return obj else return [obj, props.map{_needs(obj.send(_1.to_sym))}.reject{_1.nil?}].compact end)
def needs(obj) = _needs(obj).flatten.map(&:class).map(&:name).uniq

# Usage:
needs User.last # => ["User", "AccountType", "WhateverOtherClass", ...]