From 8a436fdd98c63cc0a7a6d2c642c18d33421dc6ad Mon Sep 17 00:00:00 2001
From: Vipul A M <vipulnsward@gmail.com>
Date: Mon, 25 Jan 2016 01:32:44 +0530
Subject: Add options for rake routes task

Add two options: `-c` and `-g`.
`-g` option returns the urls name, verb and path fields that match the pattern.
`-c` option returns the urls for specific controller.

Fixes #18902, and Fixes #20420

[Anton Davydov & Vipul A M]
---
 .../lib/action_dispatch/routing/inspector.rb       | 34 ++++++++++++----------
 1 file changed, 19 insertions(+), 15 deletions(-)

(limited to 'actionpack/lib/action_dispatch/routing/inspector.rb')

diff --git a/actionpack/lib/action_dispatch/routing/inspector.rb b/actionpack/lib/action_dispatch/routing/inspector.rb
index 69e6dd5215..1ca2a3b683 100644
--- a/actionpack/lib/action_dispatch/routing/inspector.rb
+++ b/actionpack/lib/action_dispatch/routing/inspector.rb
@@ -60,12 +60,11 @@ module ActionDispatch
       end
 
       def format(formatter, filter = nil)
-        routes_to_display = filter_routes(filter)
-
+        filter_options = normalize_filter(filter)
+        routes_to_display = filter_routes(filter_options)
         routes = collect_routes(routes_to_display)
-
         if routes.none?
-          formatter.no_routes(collect_routes(@routes), filter)
+          formatter.no_routes(collect_routes(@routes))
           return formatter.result
         end
 
@@ -82,10 +81,21 @@ module ActionDispatch
 
       private
 
-      def filter_routes(filter)
-        if filter
-          filter_name = filter.underscore.sub(/_controller$/, '')
-          @routes.select { |route| route.defaults[:controller] == filter_name }
+      def normalize_filter(filter)
+        if filter.is_a?(Hash) && filter[:controller]
+          {controller: /#{filter[:controller].downcase.sub(/_?controller\z/, '').sub('::', '/')}/}
+        elsif filter.is_a?(String)
+          {controller: /#{filter}/, action: /#{filter}/}
+        else
+          nil
+        end
+      end
+
+      def filter_routes(filter_options)
+        if filter_options
+          @routes.select do |route|
+            filter_options.any? { |default, filter| route.defaults[default] =~ filter }
+          end
         else
           @routes
         end
@@ -137,7 +147,7 @@ module ActionDispatch
         @buffer << draw_header(routes)
       end
 
-      def no_routes(routes, filter)
+      def no_routes(routes)
         @buffer <<
         if routes.none?
           <<-MESSAGE.strip_heredoc
@@ -145,8 +155,6 @@ module ActionDispatch
 
           Please add some routes in config/routes.rb.
           MESSAGE
-        elsif missing_controller?(filter)
-          "The controller #{filter} does not exist!"
         else
           "No routes were found for this controller"
         end
@@ -154,10 +162,6 @@ module ActionDispatch
       end
 
       private
-        def missing_controller?(controller_name)
-          [ controller_name.camelize, "#{controller_name.camelize}Controller" ].none?(&:safe_constantize)
-        end
-
         def draw_section(routes)
           header_lengths = ['Prefix', 'Verb', 'URI Pattern'].map(&:length)
           name_width, verb_width, path_width = widths(routes).zip(header_lengths).map(&:max)
-- 
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