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namespace :routes do
desc 'Print out all defined routes in match order, with names, per constraint class. Target specific constraint class with CONSTRAINT=x. Target specific controller with CONTROLLER=x.'
task :constrained => :environment do
Rails.application.reload_routes!
constraints_routes = Hash.new
Rails.application.routes.routes.each do |route|
group = (route.app.class == ActionDispatch::Routing::Mapper::Constraints ? route.app.constraints.to_s : 'No constraint class')
constraints_routes[group] ||= []
constraints_routes[group] << route
end
requested_constraint = ENV['CONSTRAINT']
constraints_routes.each do |group, all_routes|
if requested_constraint.nil? or group == requested_constraint
puts "\n\nConstraint class : #{group}\n\n"
if ENV['CONTROLLER']
all_routes = all_routes.select{ |route| route.defaults[:controller] == ENV['CONTROLLER'] }
end
routes = all_routes.collect do |route|
reqs = route.requirements.dup
reqs[:to] = route.app unless route.app.class.name.to_s =~ /^ActionDispatch::Routing/
reqs = reqs.empty? ? "" : reqs.inspect
{:name => route.name.to_s, :verb => route.verb.to_s, :path => route.path, :reqs => reqs}
end
routes.reject! { |r| r[:path] =~ %r{/rails/info/properties} } # Skip the route if it's internal info route
name_width = routes.map{ |r| r[:name].length }.max
verb_width = routes.map{ |r| r[:verb].length }.max
path_width = routes.map{ |r| r[:path].length }.max
routes.each do |r|
puts "#{r[:name].rjust(name_width)} #{r[:verb].ljust(verb_width)} #{r[:path].ljust(path_width)} #{r[:reqs]}"
end
end
end
end
end
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