Do a redirect when accessing a renamed wiki page.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5423 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wiki_controller.rb

@@ -249,12 +249,21 @@ private
   # Finds the requested page or a new page if it doesn't exist
   def find_existing_or_new_page
     @page = @wiki.find_or_new_page(params[:id])
+    if @wiki.page_found_with_redirect?
+      redirect_to params.update(:id => @page.title)
+    end
   end
   
   # Finds the requested page and returns a 404 error if it doesn't exist
   def find_existing_page
     @page = @wiki.find_page(params[:id])
-    render_404 if @page.nil?
+    if @page.nil?
+      render_404
+      return
+    end
+    if @wiki.page_found_with_redirect?
+      redirect_to params.update(:id => @page.title)
+    end
   end
   
   # Returns true if the current user is allowed to edit the page, otherwise false

app/models/wiki.rb

@@ -44,17 +44,26 @@ class Wiki < ActiveRecord::Base
   
   # find the page with the given title
   def find_page(title, options = {})
+    @page_found_with_redirect = false
     title = start_page if title.blank?
     title = Wiki.titleize(title)
     page = pages.first(:conditions => ["LOWER(title) = LOWER(?)", title])
     if !page && !(options[:with_redirect] == false)
       # search for a redirect
       redirect = redirects.first(:conditions => ["LOWER(title) = LOWER(?)", title])
-      page = find_page(redirect.redirects_to, :with_redirect => false) if redirect
+      if redirect
+        page = find_page(redirect.redirects_to, :with_redirect => false)
+        @page_found_with_redirect = true
+      end
     end
     page
   end
   
+  # Returns true if the last page was found with a redirect
+  def page_found_with_redirect?
+    @page_found_with_redirect
+  end
+
   # Finds a page by title
   # The given string can be of one of the forms: "title" or "project:title"
   # Examples:

test/functional/wiki_controller_test.rb

@@ -55,6 +55,13 @@ class WikiControllerTest < ActionController::TestCase
                                                :alt => 'This is a logo' }
   end
   
+  def test_show_redirected_page
+    WikiRedirect.create!(:wiki_id => 1, :title => 'Old_title', :redirects_to => 'Another_page')
+    
+    get :show, :project_id => 'ecookbook', :id => 'Old_title'
+    assert_redirected_to '/projects/ecookbook/wiki/Another_page'
+  end
+  
   def test_show_with_sidebar
     page = Project.find(1).wiki.pages.new(:title => 'Sidebar')
     page.content = WikiContent.new(:text => 'Side bar content for test_show_with_sidebar')

test/unit/wiki_test.rb

@@ -1,7 +1,7 @@
 # encoding: utf-8
 #
-# redMine - project management software
-# Copyright (C) 2006-2007  Jean-Philippe Lang
+# Redmine - project management software
+# Copyright (C) 2006-2011  Jean-Philippe Lang
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -39,21 +39,44 @@ class WikiTest < ActiveSupport::TestCase
     assert_equal "Another start page", @wiki.start_page
   end
   
-  def test_find_page
+  def test_find_page_should_not_be_case_sensitive
     wiki = Wiki.find(1)
     page = WikiPage.find(2)
     
     assert_equal page, wiki.find_page('Another_page')
     assert_equal page, wiki.find_page('Another page')
     assert_equal page, wiki.find_page('ANOTHER page')
-    
+  end
+  
+  def test_find_page_with_cyrillic_characters
+    wiki = Wiki.find(1)
     page = WikiPage.find(10)
     assert_equal page, wiki.find_page('Этика_менеджмента')
-    
+  end
+  
+  def test_find_page_with_backslashes
+    wiki = Wiki.find(1)
     page = WikiPage.generate!(:wiki => wiki, :title => '2009\\02\\09')
     assert_equal page, wiki.find_page('2009\\02\\09')
   end
   
+  def test_find_page_without_redirect
+    wiki = Wiki.find(1)
+    page = wiki.find_page('Another_page')
+    assert_not_nil page
+    assert_equal 'Another_page', page.title
+    assert_equal false, wiki.page_found_with_redirect?
+  end
+  
+  def test_find_page_with_redirect
+    wiki = Wiki.find(1)
+    WikiRedirect.create!(:wiki => wiki, :title => 'Old_title', :redirects_to => 'Another_page')
+    page = wiki.find_page('Old_title')
+    assert_not_nil page
+    assert_equal 'Another_page', page.title
+    assert_equal true, wiki.page_found_with_redirect?
+  end
+  
   def test_titleize
     assert_equal 'Page_title_with_CAPITALES', Wiki.titleize('page title with CAPITALES')
     assert_equal 'テスト', Wiki.titleize('テスト')