Added wiki index by date.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@768 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wiki_controller.rb

@@ -121,11 +121,12 @@ class WikiController < ApplicationController
     page_title = params[:page].downcase
     case page_title
     # show pages index, sorted by title
-    when 'page_index'
+    when 'page_index', 'date_index'
       # eager load information about last updates, without loading text
       @pages = @wiki.pages.find :all, :select => "#{WikiPage.table_name}.*, #{WikiContent.table_name}.updated_on",
                                       :joins => "LEFT JOIN #{WikiContent.table_name} ON #{WikiContent.table_name}.page_id = #{WikiPage.table_name}.id",
                                       :order => 'title'
+      @pages_by_date = @pages.group_by {|p| p.updated_on.to_date}
     # export wiki to a single html file
     when 'export'
       @pages = @wiki.pages.find :all, :order => 'title'