gistfile1.txt

class WikiController < ApplicationController
  def index
      @page = Page.find_by_title( params[:title] || 'HomePage' )
      if @page.nil?
          redirect_to :action => 'new', :title => params[:title]
      else
          @page.body.gsub!(
Regexp.new( '\b((?:[A-Z]\w+){2,})' ), '<a href="/wiki/index?title=\1">\1</a>' )
          render :action => 'show'
      end
  end
# GETs should be safe (see http://www.w3.org/2001/tag/doc/whenToUseGet.html)
verify :method => :post, :only => [ :destroy, :create, :update ],
     :redirect_to => { :action => :list }
  def list
        @page_pages, @pages = paginate :pages, :per_page => 10
  end
  def show
      @page = Page.find(params[:id])
      @page.body.gsub!(
Regexp.new( '\b((?:[A-Z]\w+){2,})' ), '<a href="/wiki/index?title=\1">\1</a>' )
      end
      def new
            @page = Page.new
            @page.title = params[:title] || ''
      end
      def create
            @page = Page.new(params[:page])
            if @page.save
                  flash[:notice] = 'Page was successfully created.'
                  redirect_to :action => 'index', :title => params[:title]
             else
                  render :action => 'new'
             end
       end
      def edit
            @page = (Page.find(params[:id]) ||
 Page.find_by_title(params[:title]))
      end
      def update
            @page = Page.find(params[:id])
            if @page.update_attributes(params[:page])
                  flash[:notice] = 'Page was successfully updated.'
                  redirect_to :action => 'show', :id => @page
             else
                  render :action => 'edit'
             end
       end
       def history
             @page = Page.find(params[:id])
       end
       def revert_version
             @page = Page.find(params[:id])
             @page.revert_to!(params[:version])
             redirect_to :action => 'index', :title => @page.title
       end
       def diff_compare
            @curr_page = Page.find(params[:id])
            @version_page = @curr_page.find_version(params[:version])
            @diff_results = HTMLDiff.diff(@curr_page.body,@version_page.body)
       end
   end