## mark a section (Learn more)

# # Modified by EmmanuelOga.blogspot.com, converted to a task # Original in http://www.hackdiary.com/archives/000093.html # # Requirements: dot (http://www.graphviz.org/) # # Usage: Drop in lib/tasks of your rails app. rake doc:reflex # See reflections.png in doc # namespace :doc do desc "Graph model reflections" task(:reflex => :environment) do filename= "#{RAILS_ROOT}/doc/reflections.dot" File.open(filename, "w+") do |file| file << "digraph x {\n" Dir.glob("#{RAILS_ROOT}/app/models/*rb") do |f| f.match(/\/([a-z_]+).rb/) classname = $1.camelize klass = Kernel.const_get classname if klass.superclass == ActiveRecord::Base file << classname << "\n" klass.reflect_on_all_associations.each do |a| file << classname << " -> " << a.name.to_s.camelize.singularize file << " [label=#{a.macro.to_s}]\n" end end end file << "}" end system("dot -Tpng -O #{filename}") end end

This paste will be private.