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@oelmekki
Created April 19, 2013 07:47
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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.send( :constraints ).first.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.source.gsub( /[\^\$]/, '' ), path: route.path, reqs: reqs}
end
routes.reject! { |r| r[ :path ].spec.to_s =~ %r{/rails/info/properties|/assets} } # Skip the route if it's internal 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 ].spec.to_s.length }.max
routes.each do |r|
puts "#{r[ :name] .rjust( name_width )} #{r[ :verb ].ljust( verb_width )} #{r[ :path ].spec.to_s.ljust( path_width )} #{r[ :reqs ]}"
end
end
end
end
end
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