From c769ad85336713b7e5bdadd57d92a007783f8208 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Sat, 12 May 2007 21:12:31 +0000
Subject: Removed deprecated parameters_for_method_reference concept (legacy
 from before named routes) [DHH] Added record identification with polymorphic
 routes for ActionController::Base#url_for and ActionView::Base#url_for [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6729 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionpack/lib/action_controller/base.rb           | 14 ++----
 .../lib/action_controller/polymorphic_routes.rb    | 52 ++++++++++++++++++++++
 actionpack/lib/action_controller/routing.rb        |  2 +
 3 files changed, 58 insertions(+), 10 deletions(-)
 create mode 100644 actionpack/lib/action_controller/polymorphic_routes.rb

(limited to 'actionpack/lib/action_controller')

diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb
index c1c9e57342..a9d502e6f1 100755
--- a/actionpack/lib/action_controller/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -560,7 +560,7 @@ module ActionController #:nodoc:
           when Hash
             @url.rewrite(rewrite_options(options))
           else
-            raise ArgumentError, "Unrecognized url_for options: #{options.inspect}"
+            polymorphic_url(options, self)
         end
       end
 
@@ -1015,7 +1015,7 @@ module ActionController #:nodoc:
       # When using <tt>redirect_to :back</tt>, if there is no referrer,
       # RedirectBackError will be raised. You may specify some fallback
       # behavior for this case by rescueing RedirectBackError.
-      def redirect_to(options = {}, *parameters_for_method_reference) #:doc:
+      def redirect_to(options = {}) #:doc:
         case options
           when %r{^\w+://.*}
             raise DoubleRenderError if performed?
@@ -1031,14 +1031,8 @@ module ActionController #:nodoc:
             request.env["HTTP_REFERER"] ? redirect_to(request.env["HTTP_REFERER"]) : raise(RedirectBackError)
 
           else
-            if parameters_for_method_reference.empty?
-              redirect_to(url_for(options))
-              response.redirected_to = options
-            else
-              # TOOD: Deprecate me!
-              redirect_to(url_for(options, *parameters_for_method_reference))
-              response.redirected_to, response.redirected_to_method_params = options, parameters_for_method_reference
-            end
+            redirect_to(url_for(options))
+            response.redirected_to = options
         end
       end
 
diff --git a/actionpack/lib/action_controller/polymorphic_routes.rb b/actionpack/lib/action_controller/polymorphic_routes.rb
new file mode 100644
index 0000000000..eeddc28d60
--- /dev/null
+++ b/actionpack/lib/action_controller/polymorphic_routes.rb
@@ -0,0 +1,52 @@
+module ActionController
+  module PolymorphicRoutes
+    extend self
+
+    def polymorphic_url(record_or_hash, url_writer, options = {})
+      record = extract_record(record_or_hash)
+
+      case
+      when options[:action] == "new"
+        url_writer.send(action_prefix(options) + RecordIdentifier.singular_class_name(record) + routing_type(options))
+
+      when record.respond_to?(:new_record?) && record.new_record?
+        url_writer.send(RecordIdentifier.plural_class_name(record) + routing_type(options))
+
+      else
+        url_writer.send(
+          action_prefix(options) + RecordIdentifier.singular_class_name(record) + routing_type(options), record_or_hash
+        )
+      end
+    end
+
+    def polymorphic_path(record_or_hash, url_writer)
+      polymorphic_url(record_or_hash, url_writer, :routing_type => :path)
+    end
+
+    %w( edit new formatted ).each do |action|
+      module_eval <<-EOT
+        def #{action}_polymorphic_url(record_or_hash, url_writer)
+          polymorphic_url(record_or_hash, url_writer, :action => "#{action}")
+        end
+
+        def #{action}_polymorphic_path(record_or_hash, url_writer)
+          polymorphic_url(record_or_hash, url_writer, :action => "#{action}", :routing_type => :path)
+        end
+      EOT
+    end
+
+
+    private
+      def action_prefix(options)
+        options[:action] ? "#{options[:action]}_" : ""
+      end
+      
+      def routing_type(options)
+        "_#{options[:routing_type] || "url"}"
+      end
+      
+      def extract_record(record_or_hash)
+        record_or_hash.is_a?(Hash) ? record_or_hash[:id] : record_or_hash
+      end
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_controller/routing.rb b/actionpack/lib/action_controller/routing.rb
index 9bbb51cfbf..49661850ea 100644
--- a/actionpack/lib/action_controller/routing.rb
+++ b/actionpack/lib/action_controller/routing.rb
@@ -1,5 +1,6 @@
 require 'cgi'
 require 'uri'
+require 'action_controller/polymorphic_routes'
 
 class Object
   def to_param
@@ -255,6 +256,7 @@ module ActionController
     
     # A helper module to hold URL related helpers.
     module Helpers
+      include PolymorphicRoutes
     end
     
     class << self
-- 
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