Added the ability to destroy wiki pages (content and its history are deleted from the database).

This permission has to be explicitly given (Roles & Permissions -> Wiki pages/Delete).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@540 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wiki_controller.rb

@@ -18,7 +18,10 @@
 class WikiController < ApplicationController
   layout 'base'
   before_filter :find_wiki, :check_project_privacy, :except => [:preview]
-    
+  before_filter :authorize, :only => :destroy
+  
+  verify :method => :post, :only => [ :destroy ], :redirect_to => { :action => :index }
+  
   # display a page (in editing mode if it doesn't exist)
   def index
     page_title = params[:page]
@@ -72,6 +75,13 @@ class WikiController < ApplicationController
                                             :select => "id, author_id, comments, updated_on, version",
                                             :order => 'version DESC'
   end
+  
+  # remove a wiki page and its history
+  def destroy
+    @page = @wiki.find_page(params[:page])
+    @page.destroy if @page
+    redirect_to :action => 'special', :id => @project, :page => 'Page_index'
+  end
 
   # display special pages
   def special