Fixed problems in interacting of acts_as_versioned and optimistic locking.

app/controllers/pages_controller.rb

@@ -19,7 +19,8 @@ class PagesController < ApplicationController
   end
 
   def new
-    @page = Page.new(:title => params[:title].capitalize.gsub("-", " "))
+    @page = Page.new
+    @page.title = params[:title].capitalize.gsub("-", " ") if params[:title]
 
     respond_to do |format|
       format.html # new.html.erb
@@ -83,13 +84,13 @@ class PagesController < ApplicationController
 
   def version
     @page = Page.find(params[:id])
-    @version = @page.versions[params[:version].to_i - 1]
+    @version = Page::Version.find_by_page_id_and_lock_version params[:id], params[:version]
   end
 
   def revert
     @page = Page.find(params[:id])
-    @page.revert_to(params[:version].to_i)
+    @page.revert_to!(params[:version].to_i)
 
-    render :action => 'edit'
+    redirect_to wiki_page_path(@page.permalink)
   end
 end

app/models/page.rb

@@ -2,7 +2,7 @@ class Page < ActiveRecord::Base
 
   belongs_to :user, :foreign_key => 'updated_by'
 
-  acts_as_versioned
+  acts_as_versioned :version_column => :lock_version
   self.non_versioned_columns += ['permalink', 'created_at']
 
   validates_presence_of :title, :body

app/views/pages/show.html.haml

@@ -7,10 +7,9 @@
     %ul
       - for version in @page.versions.reverse
         %li
-          = link_to format_time(version.updated_at), version_page_path(@page, :version => version.version)
+          = link_to format_datetime(version.updated_at), version_page_path(@page, :version => version.lock_version)
           = "(#{User.find(version.updated_by).nick})"
 
-
 = render :partial => 'body'
 
 %hr.clear/
@@ -19,4 +18,4 @@
   |
   = link_to "Seite löschen", @page, :method => :delete, :confirm => "Achtung, möchtest Du wirklich die Wikiseite löschen?"
   |
-  = "Zuletzt bearbeitet: #{format_datetime @page.updated_at} (#{@page.user.nick})"
+  = "Zuletzt bearbeitet am #{format_datetime @page.updated_at} (#{@page.user.nick})"

app/views/pages/version.html.haml

@@ -5,7 +5,7 @@
   %ul
     %li= "Autor: #{User.find(@version.updated_by).nick}"
     %li= link_to "Aktuelle Version sehen", wiki_page_path(:permalink => @page.permalink)
-    %li= link_to "Auf diese Version zurücksetzen", revert_page_path(@page, :version => @version.version)
+    %li= link_to "Auf diese Version zurücksetzen", revert_page_path(@page, :version => @version.lock_version)
 
 = wikified_body @version.body
 

db/migrate/20090325175756_create_pages.rb

@@ -6,7 +6,6 @@ class CreatePages < ActiveRecord::Migration
       t.string :permalink
       t.integer :lock_version, :default => 0
       t.integer :updated_by
-      t.integer :version
 
       t.timestamps
     end