<?php
	/**************************************************************************\
	* eGroupWare SiteMgr - Web Content Management                              *
	* http://www.egroupware.org                                                *
	* --------------------------------------------                             *
	*  This program is free software; you can redistribute it and/or modify it *
	*  under the terms of the GNU General Public License as published by the   *
	*  Free Software Foundation; either version 2 of the License, or (at your  *
	*  option) any later version.                                              *
	\**************************************************************************/

	/* $Id: class.Pages_BO.inc.php 25417 2008-05-09 11:16:07Z ralfbecker $ */

	class Pages_BO
	{
		var $so;

		function Pages_BO()
		{
			$this->so =& CreateObject('sitemgr.Pages_SO',True);
		}

		function getPageOptionList($cats=0,$index='Show Site Index',$state='Production')
		{
			$pagelist = $this->so->getPageIDList($cats,$GLOBALS['Common_BO']->getstates($state));
			if ($index)
			{
				$retval[]=array('value'=>0,'display'=>'[' .lang(/*'Show Site Index'*/$index) . ']');
			}
			foreach($pagelist as $page_id)
			{
				$page = $this->so->getPage($page_id);
				$retval[]=array('value'=>$page_id,'display'=>$page->name.' - '.$page->title);
			}
			return $retval;
		}

		function getpageIDListCommitable()
		{
			//only retrieve commitable pages from writeable categories
			return $this->so->getPageIDList($GLOBALS['Common_BO']->cats->getpermittedcatsWrite(),$GLOBALS['Common_BO']->getstates('Commit'));
		}

		function getpageIDListArchived()
		{
			//only retrieve archived pages from writeable categories
			return $this->so->getPageIDList($GLOBALS['Common_BO']->cats->getpermittedcatsWrite(),$GLOBALS['Common_BO']->getstates('Archive'));
		}

		function getPageIDList($cat_id=0,$states=false)
		{
			return $this->so->getPageIDList($cat_id,$states);
		}

		function addPage($cat_id)
		{
			if ($GLOBALS['Common_BO']->acl->can_write_category($cat_id))
			{
				return $this->so->addPage($cat_id);
			}
			else
			{
				return false;
			}
		}

		function removePagesInCat($cat_id,$force=False)
		{
			if (!($force || $GLOBALS['Common_BO']->acl->can_write_category($cat_id)))
			{
				return false;
			}
			$pages = $this->so->getPageIDList($cat_id);
			while(list(,$page_id) = each($pages))
			{
				$this->removePage($page_id,True);
			}
		}

		function removePage($page_id,$force=False)
		{
			$cat_id = $this->so->getcatidforpage($page_id);
			if (!$force)
			{
				if (!$GLOBALS['Common_BO']->acl->can_write_category($cat_id))
				{
					return false;
				}
			}
			$this->so->removePage($page_id);
			//since we already did the ACL we force
			$GLOBALS['Common_BO']->content->removeBlocksInPageOrCat($cat_id,$page_id,True);
		}

		function getPage($page_id,$lang=False,$force=False)
		{
			$page = $this->so->getPage($page_id,$lang);
			if ($page && in_array($page->cat_id,$GLOBALS['Common_BO']->cats->readablecats))
			{
				//if the page is not in published status we maintain its name so that switching from edit to prodcution mode works
				if (!in_array($page->state,$GLOBALS['Common_BO']->visiblestates) && !$force)
				{
					$page->title = lang('Error accessing page');
					$page->subtitle = '';
					$page->id = 0;
					$page->cat_id = 0;
				}
				return $page;
			}
			else
			{
				$page =& CreateObject('sitemgr.Page_SO');
				$page->name = 'Error';
				$page->title = lang('Error accessing page');
				$page->subtitle = '';
//        $page->content = lang('There was an error accessing the requested page. Either you do not have permission to view this page, or the page does not exist.');
				return $page;
			}
		}

		function getlangarrayforpage($page_id)
		{
			return $this->so->getlangarrayforpage($page_id);
		}

		function savePageInfo($page_Info,$lang)
		{
			$oldpage = $this->getpage($page_Info->id);

			if(!($GLOBALS['Common_BO']->acl->can_write_category($page_Info->cat_id) &&
				$GLOBALS['Common_BO']->acl->can_write_category($oldpage->cat_id)))
			{
				return lang("You don't have permission to write to that category.");
			}

			$fixed_name = strtr($page_Info->name, '!@#$%^&*()=+ /?><,.\\\'":;|`~{}[]','                               ');
			$fixed_name = str_replace(' ', '', $fixed_name);
			if ($fixed_name != $page_Info->name)
			{
				$page_Info->name = $fixed_name;
				$this->so->savePageInfo($page_Info);
				$this->so->savePageLang($page_Info,$lang);
				$this->NotifyUsers($lang, $page_Info->id,$page_Ingo->cat_id,$page_Info->state,$page_Info->name);
				return lang('The Name field cannot contain punctuation or spaces (field modified).');
			}

			if ($this->so->pageExists($page_Info->name,$page_Info->id))
			{
				$page_Info->name .= '--FIX-DUPLICATE-NAME';
				$this->so->savePageInfo($page_Info);
				$this->so->savePageLang($page_Info,$lang);
				$this->NotifyUsers($lang, $page_Info->id,$page_Ingo->cat_id,$page_Info->state,$page_Info->name);
				return lang('The page name must be unique.');
			}
			$this->so->savePageInfo($page_Info);
			$this->so->savePageLang($page_Info,$lang);
			$this->NotifyUsers($lang, $page_Info->id,$page_Info->cat_id,$page_Info->state,$page_Info->name);
			return True;
		}

		function savePageLang($page_Info,$lang)
		{
			$this->so->savePageLang($page_Info,$lang);
			$this->NotifyUsers($lang, $page_Info->id,$page_Info->cat_id,$page_Info->state,$page_Info->name);
		}

		function removealllang($lang)
		{
			$this->so->removealllang($lang);
		}

		function migratealllang($oldlang,$newlang)
		{
			$this->so->migratealllang($oldlang,$newlang);
		}

		function commit($page_id)
		{
			$cat_id = $this->so->getcatidforpage($page_id);
			if ($GLOBALS['Common_BO']->acl->can_write_category($cat_id))
			{
				$this->so->commit($page_id);
			}
		}

		function reactivate($page_id)
		{
			$cat_id = $this->so->getcatidforpage($page_id);
			if ($GLOBALS['Common_BO']->acl->can_write_category($cat_id))
			{
				$this->so->reactivate($page_id);
			}
		}

		function NotifyUsers($lang, $page_id, $cat_id, $state, $page_name)
		{
			if (empty($cat_id)||(state<0)) {
				$pso=CreateObject("sitemgr.Pages_SO");
				$pg=$pso->getPage($page_id);
				$cat_id=$pg->cat_id;
				$state=$pg->state;
			}

			$bo=CreateObject("sitemgr.bonotifications");
			$bo->notify_users($GLOBALS['Common_BO']->sites->current_site['site_id'],
				$cat_id,
				$state,
				$lang,
				$GLOBALS['Common_BO']->sites->current_site['sitelanguages']['0'],
				array('page_id'=>$page_id,'lang'=>$lang),
				array(
					array('text'=>"Page name:",'translate'=>True),
					" ",$page_name
				)
			);
		}
	}
?>
