Added version control for wiki pages.

app/controllers/pages_controller.rb

@@ -37,7 +37,7 @@ class PagesController < ApplicationController
   # POST /pages
   # POST /pages.xml
   def create
-    @page = Page.new(params[:page])
+    @page = current_user.pages.build(params[:page])
 
     respond_to do |format|
       if @page.save
@@ -56,7 +56,7 @@ class PagesController < ApplicationController
   def update
     @page = Page.find(params[:id])
 
-    if @page.update_attributes(params[:page])
+    if @page.update_attributes(params[:page].merge({:user => current_user}))
       flash[:notice] = 'Seite wurde aktualisiert.'
       redirect_to wiki_page_path(@page.permalink)
     else
@@ -83,4 +83,16 @@ class PagesController < ApplicationController
   def all
     @pages = Page.all :order => 'created_at'
   end
+
+  def version
+    @page = Page.find(params[:id])
+    @version = @page.versions[params[:version].to_i - 1]
+  end
+
+  def revert
+    @page = Page.find(params[:id])
+    @page.revert_to(params[:version].to_i)
+
+    render :action => 'edit'
+  end
 end

app/models/page.rb

@@ -1,5 +1,10 @@
 class Page < ActiveRecord::Base
 
+  belongs_to :user, :foreign_key => 'updated_by'
+
+  acts_as_versioned
+  self.non_versioned_columns += ['permalink', 'created_at']
+
   validates_presence_of :title, :body
   validates_uniqueness_of :permalink
 

app/models/user.rb

@@ -29,6 +29,7 @@ class User < ActiveRecord::Base
   has_many :assignments, :dependent => :destroy
   has_many :tasks, :through => :assignments
   has_many :send_messages, :class_name => "Message", :foreign_key => "sender_id"
+  has_many :pages, :foreign_key => 'updated_by'
   
   attr_accessor :password, :setting_attributes
 

app/views/pages/show.html.haml

@@ -1,7 +1,22 @@
 - title @page.title
 
+#page-versions{:style => "float:right;margin-top:-2%;text-align:right;"}
+  = link_to "Bearbeiten", edit_page_path(@page)
+  = link_to_function "Versionen (#{@page.versions.count})", "Element.toggle('versions')"
+  #versions{:style => "display:none"}
+    %ul
+      - for version in @page.versions.reverse
+        %li
+          = link_to format_datetime(version.updated_at), version_page_path(@page, :version => version.version)
+          = "(#{User.find(version.updated_by).nick})"
+
+
 = wikified_body @page.body
 
-%hr/
+%hr.clear/
 %p
-  = link_to "Seite bearbeiten", edit_page_path(@page)
+  = link_to "Seite bearbeiten", edit_page_path(@page)
+  |
+  = 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})"

app/views/pages/version.html.haml

@@ -0,0 +1,11 @@
+- title @version.title 
+
+#page-versions{:style => "float:right"}
+  %b= "Version vom #{format_datetime @version.updated_at}"
+  %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)
+
+= wikified_body @version.body
+