source/app/controllers/sites_controller.rb

#--######################################################################
# Copyright (c) 2006 LogicaCMG
# 
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Eclipse Public License v1.0
# which accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v10.html
#
# Contributors:
# 
# Onno van der Straaten:: initial implementation
#++######################################################################
# {Copyright (c) 2006 LogicaCMG}[link:files/COPYRIGHT.html]

class SitesController < ApplicationController
  
  before_filter :authenticate
  before_filter :authenticate_admin, :only => [:new, :compare, :new_wiki, :create, :update_wiki, :update, :upload]
  before_filter :authenticate_cadmin, :only => [:wikify_now, :update_wiki_now, :scan4content]

  FLASH_NEED_TO_UPLOAD = "To be able to create baseline process you will first have to upload a EPF published site to a folder in #{ENV['EPFWIKI_SITES_FOLDER']}" 
  FLASH_UPLOAD_SUCCESS = 'The file was uploaded, if the folder is not in dropdown box, please refresh'
  FLASH_WIKI_SITE_SCHEDULED = 'The Wiki is scheduled to be created! For performance reasons this is done using a nightly build process. An email will be send after the site is created'  
  FLASH_WIKI_CREATED  = 'Wiki succesfully created'
  FLASH_WIKI_SITE_UPDATE_SCHEDULED = 'The site is scheduled to be updated. An email will be send after the site is updated'
  FLASH_NO_BL_CANDIDATE = 'No candidate baseline processes found'
  FLASH_WIKI_UPDATE_SUCCESS  = 'Wiki succesfully updated'
  FLASH_CHECKOUTS_NO_UPDATE  = 'There are checkouts, so the Wiki cannot be updated. An email was sent requesting checkin.'  
  
  #--
  # FIXME R1 Invalid argument in console
  # In the console when running built-in server the message ERROR Errno::EINVAL: Invalid argument is displayed
  #++
  def index
    list
    render :action => 'list'
  end
  
  def list
    @baseline_processes = Site.find_baseline_processes
    @pending_sites = Site.find_wikis_pending
    @wiki_sites = Site.find_wikis - @pending_sites
    @deleted_sites = Site.find_all_by_site_type('D')
  end
  
  #--
  # FIXME R1 error occured while evaluating nil.original_filename
  # after upload of zip and submit of the new site. Workaround is to
  # refresh the page
  # FIXED? with redirect_to instead of render?
  #++
  def upload
    @site = Site.new_upload(params[:site])
    flash['success'] = FLASH_UPLOAD_SUCCESS if @site.errors.empty?
    @baseline = Baseline.new
    @folders = Site.folders_with_unused_baseline_processes
    redirect_to :action => 'new'
  end
  
  # Action #new creates a baseline process. This will also define a Baseline, see Site.new_baseline_process. 
  def new
    @baseline = Baseline.new
    @folders = Site.folders_with_unused_baseline_processes
    if request.get?
      @site = Site.new
      flash['notice'] = FLASH_NEED_TO_UPLOAD if @folders.empty?
    else
      @site = Site.new_baseline_process(params[:site].merge(:user => session['user']))
      if @site.save 
        flash[:success] = ::FLASH_RECORD_CREATED
        redirect_to :action => 'list'
      else
        render :action => 'new'
      end
    end
  end
  
  # FIXME ERROR Errno::EINVAL: Invalid argument 
  # appears in logging when new wiki is called
  def new_wiki
    @baseline_processes = Site.find_baseline_processes
    if request.get?
      @site = Site.new
    else
      @site = Site.new_wiki(params[:site].merge(:user => session['user']))
      if  @site.save
        Notifier::deliver_wiki_scheduled(@site, session['user'])
        flash['success'] = FLASH_WIKI_SITE_SCHEDULED
        redirect_to :action => 'list'          
      end
    end
  end
  
  # action #wikify_now wikifies the Site
  def wikify_now
    @wiki = Site.find(params[:id])
    @wiki.wikify
    if  @wiki.save
      flash.now['success'] = FLASH_WIKI_CREATED
      Notifier::deliver_wiki_created(@wiki,@wiki.user)
    end
    show
    render :action => 'show'
  end
  
  # action #update_wiki allows an administrator to schedule an update of a site with a Baseline. 
  # The actual update is performed typically done by generic.job_daily. See also #update_wiki_now
  def update_wiki
    @site = Site.find(params[:id])
    if request.get?
      flash.now['notice'] = FLASH_NO_BL_CANDIDATE if @site.baseline_processes_candidate.empty?
    else
      if @site.update_attributes(params[:site])
        flash['success'] = FLASH_WIKI_SITE_UPDATE_SCHEDULED
        unless @site.checkouts.empty?
          flash['notice'] = 'The site has checkouts, an email has been sent to the owners requesting checkin. Update will be postponed untill all pages are checked in.'
          Notifier::deliver_update_site_checkin_request(@site)
        end
        Notifier::deliver_wiki_scheduled4update(@site, session['user'])
        redirect_to :action => 'show', :id => @site
      end
    end
  end
  
  # action #update_wiki_now allows the central administrator to do the update immediately, see also #update_wiki 
  def update_wiki_now
    wiki = Site.find(params[:id])   
    if  wiki.checkouts.empty?
      wiki.update_wiki
      if  wiki.save
        flash['success'] = FLASH_WIKI_UPDATE_SUCCESS            
        Notifier::deliver_email(([session['user'], User.find_central_admin]).uniq, 
        "[#{ENV['EPFWIKI_APP_NAME']}] Site #{wiki.title} updated!",[],
        "The wiki site <strong>#{wiki.title}</strong> was succesfully updated to baseline #{wiki.baseline.baseline}")
      else
        # TODO because of the redirection use of error_messages in view will not work,
        # so we misuse flash for displaying possibly messages. Maybe move this to 'edit'?
        flash['error'] = wiki.errors.full_messages.join(', ') 
      end
    else
      flash['notice'] = FLASH_CHECKOUTS_NO_UPDATE
    end
    redirect_to :action => 'show', :id => wiki.id
  end
  
  def show
    @site = Site.find(params[:id])
    case params[:tab]
    when nil
      @version_pages, @versions = paginate :version, :per_page => 25, :order => 'created_on DESC', :conditions => ['site_id = ? and version <> 0', @site.id ]
    when 'comments'
      @comment_pages, @comments = paginate :comment, :per_page => 25, :order => 'created_on DESC', :conditions => ['site_id = ?', @site.id ]
    when 'pages'
      @page_pages, @pages = paginate :page, :per_page => 25, :order => 'created_on DESC', :conditions => ['exists (select * from pages_sites rrs where rrs.site_id = ? and rrs.page_id = pages.id)', @site.id]
    end
  end
  
  def edit
    @site = Site.find(params[:id])
    if request.get?
    else 
      @site = Site.find(params[:id])
      if @site.update_attributes(params[:site])
        flash['success'] = 'Site was successfully updated.'
        redirect_to :action => 'show', :id => @site
      else
        render :action => 'edit'
      end
    end
  end
  
  def scan4content
    show
    @site.scan4content
    if  @site.save
      flash['success'] ="Site was succesfully scanned for content. #{@site.pages.size.to_s} pages were scanned."
    end
    render :action => 'show'
  end
  
end