<?php

// $Id: settings2.php,v 1.12 2005/06/23 05:46:06 rdjurovich Exp $

/*

 Website Baker Project <http://www.websitebaker.org/>
 Copyright (C) 2004-2005, Ryan Djurovich

 Website Baker 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.

 Website Baker is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with Website Baker; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

// Get page id
if(!isset($_POST['page_id']) OR !is_numeric($_POST['page_id'])) {
	header("Location: index.php");
} else {
	$page_id = $_POST['page_id'];
}

// Create new admin object and print admin header
require('../../config.php');
require_once(WB_PATH.'/framework/class.admin.php');
$admin = new admin('Pages', 'pages_settings');

// Include the WB functions file
require_once(WB_PATH.'/framework/functions.php');

// Get values
$page_title = addslashes($admin->get_post('page_title'));
$menu_title = addslashes($admin->get_post('menu_title'));
$description = addslashes($admin->get_post('description'));
$keywords = addslashes($admin->get_post('keywords'));
$parent = $admin->get_post('parent');
$visibility = $admin->get_post('visibility');
$template = $admin->get_post('template');
$target = $admin->get_post('target');
$admin_groups = $admin->get_post('admin_groups');
$viewing_groups = $admin->get_post('viewing_groups');
$searching = $admin->get_post('searching');
$language = $admin->get_post('language');
$menu = $admin->get_post('menu');

// Validate data
if($page_title == '') {
	$admin->print_error($MESSAGE['PAGES']['BLANK_PAGE_TITLE']);
}
if($menu_title == '') {
	$admin->print_error($MESSAGE['PAGES']['BLANK_MENU_TITLE']);
}

// Get existing perms
$database = new database();
$results = $database->query("SELECT parent,link,position,admin_groups,admin_users FROM ".TABLE_PREFIX."pages WHERE page_id = '$page_id'");
$results_array = $results->fetchRow();
$old_parent = $results_array['parent'];
$old_link = $results_array['link'];
$old_position = $results_array['position'];
$old_admin_groups = explode(',', str_replace('_', '', $results_array['admin_groups']));
$old_admin_users = explode(',', str_replace('_', '', $results_array['admin_users']));
if(!is_numeric(array_search($admin->get_group_id(), $old_admin_groups)) AND !is_numeric(array_search($admin->get_user_id(), $old_admin_users))) {
	$admin->print_error($MESSAGE['PAGES']['INSUFFICIENT_PERMISSIONS']);
}

// Setup admin groups
$admin_groups[] = 1;
if($admin->get_group_id() != 1) {
	$admin_groups[] = $admin->get_group_id();
}
$admin_groups = implode(',', $admin_groups);
// Setup viewing groups
$viewing_groups[] = 1;
if($admin->get_group_id() != 1) {
	$viewing_groups[] = $admin->get_group_id();
}
$viewing_groups = implode(',', $viewing_groups);

// If needed, get new order
if($parent != $old_parent) {
	// Include ordering class
	require(WB_PATH.'/framework/class.order.php');
	$order = new order(TABLE_PREFIX.'pages', 'position', 'page_id', 'parent');
	// Get new order
	$position = $order->get_new($parent);
	// Clean new order
	$order->clean($parent);
} else {
	$position = $old_position;
}

// Work out level and root parent
if ($parent!='0') {
	$level = level_count($parent)+1;
	$root_parent = root_parent($parent);
}
else {
	$level = '0';
	$root_parent = '0';
}

// Work-out what the link should be
if($parent == '0') {
	$link = '/'.page_filename($menu_title);
	$filename = WB_PATH.PAGES_DIRECTORY.'/'.page_filename($menu_title).'.php';
} else {
	$parent_section = '';
	$parent_titles = array_reverse(get_parent_titles($parent));
	foreach($parent_titles AS $parent_title) {
		$parent_section .= page_filename($parent_title).'/';
	}
	if($parent_section == '/') { $parent_section = ''; }
	$link = '/'.$parent_section.page_filename($menu_title);
	$filename = WB_PATH.PAGES_DIRECTORY.'/'.$parent_section.page_filename($menu_title).'.php';
}

// Check if a page with same page filename exists
$database = new database();
$get_same_page = $database->query("SELECT page_id,page_title FROM ".TABLE_PREFIX."pages WHERE link = '$link' and page_id != '$page_id'");
if($get_same_page->numRows() > 0) {
	$admin->print_error($MESSAGE['PAGES']['PAGE_EXISTS']);
}

// Update page with new order
$query = "UPDATE ".TABLE_PREFIX."pages SET parent = '$parent', position = '$position' WHERE page_id = '$page_id'";
$database = new database();
$database->query($query);

// Get page trail
$page_trail = get_page_trail($page_id);

// Make sure link is not overwritten if page uses the menu link module
if(strstr($old_link, '://') != '') {
	$link = $old_link;
}

// Update page settings in the pages table
$query = "UPDATE ".TABLE_PREFIX."pages SET parent = '$parent', page_title = '$page_title', menu_title = '$menu_title', menu = '$menu', level = '$level', page_trail = '$page_trail', root_parent = '$root_parent', link = '$link', template = '$template', target = '$target', description = '$description', keywords = '$keywords', position = '$position', visibility = '$visibility', searching = '$searching', language = '$language', admin_groups = '$admin_groups', viewing_groups = '$viewing_groups' WHERE page_id = '$page_id'";
$database->query($query);

// Clean old order if needed
if($parent != $old_parent) {
	$order->clean($old_parent);
}

/* BEGIN page "access file" code */

// Create a new file in the /pages dir if title changed
if(!is_writable(WB_PATH.PAGES_DIRECTORY.'/')) {
	$admin->print_error($MESSAGE['PAGES']['CANNOT_CREATE_ACCESS_FILE']);
} else {
	// First check if we need to create a new file
	if($old_link != $link) {
		// Delete old file
		unlink(WB_PATH.PAGES_DIRECTORY.$old_link.'.php');
		// Create access file
		create_access_file($filename,$page_id,$level);
		// Move a directory for this page
		if(file_exists(WB_PATH.PAGES_DIRECTORY.$old_link.'/') AND is_dir(WB_PATH.PAGES_DIRECTORY.$old_link.'/')) {
			rename(WB_PATH.PAGES_DIRECTORY.$old_link.'/', WB_PATH.PAGES_DIRECTORY.$link.'/');
		}
		// Update any pages that had the old link with the new one
		$old_link_len = strlen($old_link);
		$query_subs = $database->query("SELECT page_id,link,level FROM ".TABLE_PREFIX."pages WHERE link LIKE '%$old_link/%'");
		if($query_subs->numRows() > 0) {
			while($sub = $query_subs->fetchRow()) {
				// Double-check to see if it contains old link
				if(substr($sub['link'], 0, $old_link_len) == $old_link) {
					// Get new link
					$replace_this = $old_link;
					$with_this = $link;
					$old_value = $sub['link'];
					$new_value = '';
					$explode = explode('/',$old_value);
					$replaced = false;
					foreach($explode AS $exploded) {
						if($exploded != '') {
							$exploded_value = '/'.$exploded;
							if($replaced != true AND strstr($exploded_value,$replace_this) != '') {
								$new_value .= str_replace($replace_this,$with_this,$exploded_value);
								$replaced = true;
							} else {
								$new_value .= $exploded_value;
							}
						}
					}
					$new_sub_link = $new_value;
					// Work out level
					$new_sub_level = level_count($sub['page_id']);
					// If level has changed update level as well as link
					if($new_sub_level != $sub['level']) {
						// Update level and link
						$database->query("UPDATE ".TABLE_PREFIX."pages SET link = '$new_sub_link', level = '$new_sub_level' WHERE page_id = '".$sub['page_id']."' LIMIT 1");
					} else {
						// Update link
						$database->query("UPDATE ".TABLE_PREFIX."pages SET link = '$new_sub_link' WHERE page_id = '".$sub['page_id']."' LIMIT 1");
					}
					// Re-write the access file for this page
					$old_subpage_file = WB_PATH.PAGES_DIRECTORY.$sub['link'].'.php';
					if(file_exists($old_subpage_file)) {
						unlink($old_subpage_file);
					}
					create_access_file(WB_PATH.PAGES_DIRECTORY.$new_sub_link.'.php', $sub['page_id'], $new_sub_level);
				}
			}
		}
	}
}

// Function to fix page trail of subs
function fix_page_trail($parent) {
	// Get objects and vars from outside this function
	global $admin, $template, $database, $TEXT, $MESSAGE;
	// Get page list from database
	$database = new database();
	$query = "SELECT page_id FROM ".TABLE_PREFIX."pages WHERE parent = '$parent'";
	$get_pages = $database->query($query);
	// Insert values into main page list
	if($get_pages->numRows() > 0)	{
		while($page = $get_pages->fetchRow()) {
			// Fix page trail
			$database->query("UPDATE ".TABLE_PREFIX."pages SET page_trail = '".get_page_trail($page['page_id'])."' WHERE page_id = '".$page['page_id']."'");
			// Run this query on subs
			fix_page_trail($page['page_id']);
		}
	}
}
// Fix sub-pages page trail
fix_page_trail($page_id);

/* END page "access file" code */

// Check if there is a db error, otherwise say successful
if($database->is_error()) {
	$admin->print_error($database->get_error(), ADMIN_URL.'/pages/settings.php?page_id='.$page_id);
} else {
	$admin->print_success($MESSAGE['PAGES']['SAVED_SETTINGS'], ADMIN_URL.'/pages/index.php');
}

// Print admin footer
$admin->print_footer();

?>