From ef9b6b5cba08f13dcbf7095226b78aaf22df13f7 Mon Sep 17 00:00:00 2001
From: Erik Andrejko <eandrejko@gmail.com>
Date: Sun, 26 Oct 2008 11:46:17 -0500
Subject: [PATCH] modified current_page? to ignore extra parameters unless
 specified in options

Signed-off-by: Michael Koziarski <michael@koziarski.com>
[#805 state:committed]
---
 .../lib/action_view/helpers/url_helper.rb       | 17 ++++++++++++++---
 actionpack/test/template/url_helper_test.rb     | 10 ++++++++++
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/actionpack/lib/action_view/helpers/url_helper.rb b/actionpack/lib/action_view/helpers/url_helper.rb
index 7ba42a3b72..2e0eb8766b 100644
--- a/actionpack/lib/action_view/helpers/url_helper.rb
+++ b/actionpack/lib/action_view/helpers/url_helper.rb
@@ -499,7 +499,7 @@ def mail_to(email_address, name = nil, html_options = {})
       # True if the current request URI was generated by the given +options+.
       #
       # ==== Examples
-      # Let's say we're in the <tt>/shop/checkout</tt> action.
+      # Let's say we're in the <tt>/shop/checkout?order=desc</tt> action.
       #
       #   current_page?(:action => 'process')
       #   # => false
@@ -507,6 +507,9 @@ def mail_to(email_address, name = nil, html_options = {})
       #   current_page?(:controller => 'shop', :action => 'checkout')
       #   # => true
       #
+      #   current_page?(:controller => 'shop', :action => 'checkout', :order => 'asc)
+      #   # => false
+      #
       #   current_page?(:action => 'checkout')
       #   # => true
       #
@@ -515,10 +518,18 @@ def mail_to(email_address, name = nil, html_options = {})
       def current_page?(options)
         url_string = CGI.escapeHTML(url_for(options))
         request = @controller.request
+        # We ignore any extra parameters in the request_uri if the 
+        # submitted url doesn't have any either.  This lets the function
+        # work with things like ?order=asc 
+        if url_string.index("?")
+          request_uri = request.request_uri
+        else
+          request_uri = request.request_uri.split('?').first
+        end
         if url_string =~ /^\w+:\/\//
-          url_string == "#{request.protocol}#{request.host_with_port}#{request.request_uri}"
+          url_string == "#{request.protocol}#{request.host_with_port}#{request_uri}"
         else
-          url_string == request.request_uri
+          url_string == request_uri
         end
       end
 
diff --git a/actionpack/test/template/url_helper_test.rb b/actionpack/test/template/url_helper_test.rb
index 85e967ac1c..797b74efe6 100644
--- a/actionpack/test/template/url_helper_test.rb
+++ b/actionpack/test/template/url_helper_test.rb
@@ -258,6 +258,16 @@ def test_link_unless_current
     assert_equal "Showing", link_to_unless_current("Showing", { :action => "show", :controller => "weblog" })
     assert_equal "Showing", link_to_unless_current("Showing", "http://www.example.com/weblog/show")
 
+    @controller.request = RequestMock.new("http://www.example.com/weblog/show?order=desc")
+    @controller.url = "http://www.example.com/weblog/show"
+    assert_equal "Showing", link_to_unless_current("Showing", { :action => "show", :controller => "weblog" })
+    assert_equal "Showing", link_to_unless_current("Showing", "http://www.example.com/weblog/show")
+
+    @controller.request = RequestMock.new("http://www.example.com/weblog/show?order=desc")
+    @controller.url = "http://www.example.com/weblog/show?order=asc"
+    assert_equal "<a href=\"http://www.example.com/weblog/show?order=asc\">Showing</a>", link_to_unless_current("Showing", { :action => "show", :controller => "weblog" })
+    assert_equal "<a href=\"http://www.example.com/weblog/show?order=asc\">Showing</a>", link_to_unless_current("Showing", "http://www.example.com/weblog/show?order=asc")
+
     @controller.request = RequestMock.new("http://www.example.com/weblog/show")
     @controller.url = "http://www.example.com/weblog/list"
     assert_equal "<a href=\"http://www.example.com/weblog/list\">Listing</a>",
-- 
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