<?php
// (c) Copyright 2002-2010 by authors of the Tiki Wiki/CMS/Groupware Project
// 
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id: tiki-listpages.php 32785 2011-02-15 22:05:19Z pkdille $

$section = 'wiki page';
$section_class = "tiki_wiki_page manage";	// This will be body class instead of $section
require_once ('tiki-setup.php');
require_once ('lib/ajax/ajaxlib.php');
$auto_query_args = array('initial', 'maxRecords', 'sort_mode', 'find', 'lang', 'langOrphan', 'findfilter_orphan', 'categId', 'category', 'page_orphans', 'structure_orphans', 'exact_match', 'hits_link_to_all_languages', 'create_new_pages_using_template_name');

if ($prefs["gmap_page_list"] == 'y') {
	$smarty->assign('gmapbuttons', true);
} else {
	$smarty->assign('gmapbuttons', false);
}
if (isset($_REQUEST["mapview"]) && $_REQUEST["mapview"] == 'y' && !isset($_REQUEST["searchmap"]) && !isset($_REQUEST["searchlist"]) || isset($_REQUEST["searchmap"]) && !isset($_REQUEST["searchlist"])) {
	$smarty->assign('mapview', true);
}
if (isset($_REQUEST["mapview"]) && $_REQUEST["mapview"] == 'n' && !isset($_REQUEST["searchmap"]) && !isset($_REQUEST["searchlist"]) || isset($_REQUEST["searchlist"]) && !isset($_REQUEST["searchmap"]) ) {
	$smarty->assign('mapview', false);
}

if ($prefs['feature_multilingual'] == 'y' && isset($_REQUEST['lang']) && isset($_REQUEST['term_srch'])) {
	global $multilinguallib;
	include_once ('lib/multilingual/multilinguallib.php');
	if (isset($_REQUEST['term_srch'])) {
		$multilinguallib->storeCurrentTermSearchLanguageInSession($_REQUEST['lang']);
	}	
	$smarty->assign('template_name', $_REQUEST['create_new_pages_using_template_name']);
}

if (isset($_REQUEST['hits_link_to_all_languages']) && $_REQUEST['hits_link_to_all_languages'] == 'On') {
    $all_langs = 'y';
} else {
	$all_langs = '';
}
$smarty->assign('all_langs', $all_langs);

$smarty->assign('headtitle', tra('Pages'));
$access->check_feature(array('feature_wiki', 'feature_listPages'));
$access->check_permission('tiki_p_view');
/* mass-remove:
the checkboxes are sent as the array $_REQUEST["checked[]"], values are the wiki-PageNames,
e.g. $_REQUEST["checked"][3]="HomePage"
$_REQUEST["submit_mult"] holds the value of the "with selected do..."-option list
we look if any page's checkbox is on and if remove_pages is selected.
then we check permission to delete pages.
if so, we call histlib's method remove_all_versions for all the checked pages.
*/
if (!empty($_REQUEST['submit_mult']) && isset($_REQUEST["checked"])) {
	$action = $_REQUEST['submit_mult'];
	check_ticket('list-pages');
	Perms::bulk( array( 'type' => 'wiki page' ), 'object', $_REQUEST['checked'] );

	switch ($action) {
		case 'remove_pages':
			// Now check permissions to remove the selected pages
			$access->check_permission('tiki_p_remove');
			$access->check_authenticity(tr('Are you sure you want to remove the %0 selected pages?', count($_REQUEST['checked'])));
			foreach($_REQUEST["checked"] as $check) $tikilib->remove_all_versions($check);
			break;

		case 'print_pages':
			$access->check_feature('feature_wiki_multiprint');
			foreach($_REQUEST["checked"] as $check) {
				$access->check_page_exists($check);
				// Now check permissions to access this page
				$perms = Perms::get( array( 'type' => 'wiki page', 'object' => $check ) );
				if (! $perms->view ) {
					$access->display_error($check, tra("You do not have permission to view this page."), '403');
				}
				$access->check_authenticity(tr('Are you sure you want to print the %0 selected pages?', count($_REQUEST['checked'])));
				$page_info = $tikilib->get_page_info($check);
				$page_info['parsed'] = $tikilib->parse_data($page_info['data']);
				$page_info['h'] = 1;
				$multiprint_pages[] = $page_info;
			}
			break;

		case 'export_pdf':
			$access->check_feature('feature_wiki_multiprint');
			foreach($_REQUEST["checked"] as $check) {
				$access->check_page_exists($check);
				// Now check permissions to access this page
				$perms = Perms::get( array( 'type' => 'wiki page', 'object' => $check ) );
				if (! $perms->view ) {
					$access->display_error($check, tra("You do not have permission to view this page."), '403');
				}

				$multiprint_pages[] = $check;
			}

			header("Location: tiki-print_multi_pages.php?display=pdf&printpages=" . urlencode(serialize($multiprint_pages)));
			die;

		case 'unlock_pages':
			$access->check_feature('feature_wiki_usrlock');
			$access->check_authenticity(tr('Are you sure you want to unlock the %0 selected pages?', count($_REQUEST['checked'])));
			global $wikilib;
			include_once ('lib/wiki/wikilib.php');
			foreach($_REQUEST["checked"] as $check) {
				$info = $tikilib->get_page_info($check);
				if ($info['flag'] == 'L' && ($globalperms->admin_wiki == 'y' || ($user && ($user == $info['lockedby']) || (!$info['lockedby'] && $user == $info['user'])))) {
					$wikilib->unlock_page($check);
				}
			}
			break;

		case 'lock_pages':
			$access->check_feature('feature_wiki_usrlock');
			$access->check_authenticity(tr('Are you sure you want to lock the %0 selected pages?', count($_REQUEST['checked'])));
			global $wikilib;
			include_once ('lib/wiki/wikilib.php');
			foreach($_REQUEST["checked"] as $check) {
				$info = $tikilib->get_page_info($check);
				$perms = Perms::get( array( 'type' => 'wiki page', 'object' => $check ) );
				if ( $info['flag'] != 'L' && ( $globalperms->admin_wiki == 'y' || $perms->lock ) ) {
					$wikilib->lock_page($check);
				}
			}
			break;

		case 'zip':
			if ($globalperms->admin == 'y') {
				$access->check_authenticity(tr('Are you sure you want to download a zip of the %0 selected pages?', count($_REQUEST['checked'])));
				include_once ('lib/wiki/xmllib.php');
				$xmllib = new XmlLib;
				$zipFile = 'dump/xml.zip';
				$config['debug'] = false;
				if ($xmllib->export_pages($_REQUEST['checked'], null, $zipFile, $config)) {
					if (!$config['debug']) {
						header("location: $zipFile");
						die;
					}
				} else {
					$smarty->assign('error', $xmllib->get_error());
				}
			}
			break;
		}
}
if (!empty($multiprint_pages)) {
	$smarty->assign('print_page', 'y');
	$smarty->assign_by_ref('pages', $multiprint_pages);
	// disallow robots to index page:
	$smarty->assign('metatag_robots', 'NOINDEX, NOFOLLOW');
	// Display the template
	$smarty->display("tiki-print_multi_pages.tpl");
} else {
	// This script can receive the thresold
	// for the information as the number of
	// days to get in the log 1,3,4,etc
	// it will default to 1 recovering information for today
	if (isset($_REQUEST['maxRecords'])) {
		$maxRecords = $_REQUEST['maxRecords'];
	} else {
		$maxRecords = $maxRecords;
	}
	if (!isset($_REQUEST["sort_mode"])) {
		$sort_mode = $prefs['wiki_list_sortorder'] . '_' . $prefs['wiki_list_sortdirection'];
	} else {
		$sort_mode = $_REQUEST["sort_mode"];
	}
	$smarty->assign_by_ref('sort_mode', $sort_mode);
	// If offset is set use it if not then use offset =0
	// use the maxRecords php variable to set the limit
	// if sortMode is not set then use lastModif_desc
	if (!isset($_REQUEST["offset"])) {
		$offset = 0;
	} else {
		$offset = $_REQUEST["offset"];
	}
	$smarty->assign_by_ref('offset', $offset);
	if (!empty($_REQUEST["find"])) {
		$find = strip_tags($_REQUEST["find"]);
	} else {
		if (!empty($_REQUEST["q"])) {
			$find = strip_tags($_REQUEST["q"]);
		} else {
			$find = '';
		}
	}
	$smarty->assign('find', $find);
	$filter = '';
	if ($prefs['feature_multilingual'] == 'y' && ((!isset($_REQUEST['lang']) ) || (isset($_REQUEST['lang']) && $_REQUEST['lang'] != ''))) {
		$filter = setLangFilter($filter);
	}
	if (!empty($_REQUEST['langOrphan'])) {
		$filter['langOrphan'] = $_REQUEST['langOrphan'];
		$smarty->assign_by_ref('find_langOrphan', $_REQUEST['langOrphan']);
	}
	if ($prefs['feature_categories'] == 'y' && !empty($_REQUEST['cat_categories'])) {
		$filter['categId'] = $_REQUEST['cat_categories'];
		if (count($_REQUEST['cat_categories']) > 1) {
			$smarty->assign_by_ref('find_cat_categories', $_REQUEST['cat_categories']);
			unset($_REQUEST['categId']);
		} else {
			$_REQUEST['categId'] = $_REQUEST['cat_categories'][0];
			unset($_REQUEST['cat_categories']);
		}
	} else {
		$_REQUEST['cat_categories'] = array();
	}
	if ($prefs['feature_categories'] == 'y' && !empty($_REQUEST['categId'])) {
		$filter['categId'] = $_REQUEST['categId'];
		$smarty->assign_by_ref('find_categId', $_REQUEST['categId']);
	}
	if ($prefs['feature_categories'] == 'y' && !empty($_REQUEST['category'])) {
		global $categlib;
		include_once ('lib/categories/categlib.php');
		$filter['categId'] = $categlib->get_category_id($_REQUEST['category']);
		$smarty->assign_by_ref('find_categId', $filter['categId']);
	}
	if ((!empty($_REQUEST['page_orphans']) && $_REQUEST['page_orphans'] == 'y') || (isset($_REQUEST['findfilter_orphan']) && $_REQUEST['findfilter_orphan'] == 'page_orphans')) {
		$listpages_orphans = true;
	}
	if ($prefs['feature_listorphanPages'] == 'y') {
		if ((!empty($_REQUEST['page_orphans']) && $_REQUEST['page_orphans'] == 'y') || (isset($_REQUEST['findfilter_orphan']) && $_REQUEST['findfilter_orphan'] == 'page_orphans')) {
			$filter_values['orphan'] = 'page_orphans';
		}
		$filters['orphan']['page_orphans'] = tra('Orphan pages');
	}
	if ($prefs['feature_wiki_structure'] == 'y') {
		if ((!empty($_REQUEST['structure_orphans']) && $_REQUEST['structure_orphans'] == 'y') || (isset($_REQUEST['findfilter_orphan']) && $_REQUEST['findfilter_orphan'] == 'structure_orphans')) {
			$filter['structure_orphans'] = true;
		}
		if ($prefs['feature_listorphanStructure'] == 'y') {
			if ((!empty($_REQUEST['structure_orphans']) && $_REQUEST['structure_orphans'] == 'y') || (isset($_REQUEST['findfilter_orphan']) && $_REQUEST['findfilter_orphan'] == 'structure_orphans')) {
				$filter_values['orphan'] = 'structure_orphans';
			}
			$filters['orphan']['structure_orphans'] = tra('Pages not in structure');
		}
	}
	if (!empty($filters)) {
		$filter_names['orphan'] = tra('Type');
		$smarty->assign_by_ref('filters', $filters);
		$smarty->assign_by_ref('filter_names', $filter_names);
		$smarty->assign_by_ref('filter_values', $filter_values);
	}
	if (isset($_REQUEST["initial"])) {
		$initial = $_REQUEST["initial"];
	} else {
		$initial = '';
	}
	$smarty->assign('initial', $initial);
	if (isset($_REQUEST["exact_match"])) {
		$exact_match = true;
		$smarty->assign('exact_match', 'y');
	} else {
		$exact_match = false;
		$smarty->assign('exact_match', 'n');
	}
	// Get a list of last changes to the Wiki database
	//   $listpages_orphans must not be initialized here because it can already have received a value from another script
	if (!isset($listpages_orphans)) {
		$listpages_orphans = false;
	}
	$listpages = $tikilib->list_pages($offset, $maxRecords, $sort_mode, $find, $initial, $exact_match, false, true, $listpages_orphans, $filter);
	possibly_look_for_page_aliases($find);
	// Only show the 'Actions' column if the user can do at least one action on one of the listed pages
	$show_actions = 'n';
	$actions_perms = array('tiki_p_edit', 'tiki_p_wiki_view_history', 'tiki_p_assign_perm_wiki_page', 'tiki_p_remove');
	foreach($actions_perms as $p) {
		foreach($listpages['data'] as $i) {
			if ($i['perms'][$p] == 'y') {
				$show_actions = 'y';
				break 2;
			}
		}
	}
	$smarty->assign('show_actions', $show_actions);
	// If there're more records then assign next_offset
	$cant_pages = ceil($listpages["cant"] / $maxRecords);
	$smarty->assign_by_ref('cant_pages', $cant_pages);
	$smarty->assign('actual_page', 1 + ($offset / $maxRecords));
	if ($listpages["cant"] > ($offset + $maxRecords)) $smarty->assign('next_offset', $offset + $maxRecords);
	else $smarty->assign('next_offset', -1);
	// If offset is > 0 then prev_offset
	if ($offset > 0) $smarty->assign('prev_offset', $offset - $maxRecords);
	else $smarty->assign('prev_offset', -1);
	if ($prefs['feature_categories'] == 'y') {
		global $categlib;
		include_once ('lib/categories/categlib.php');
		$categories = $categlib->get_all_categories_respect_perms($user, 'view_category');
		$smarty->assign('notable', 'y');
		$smarty->assign('cat_tree', $categlib->generate_cat_tree($categories, true, $_REQUEST['cat_categories']));
		$smarty->assign_by_ref('categories', $categories);
		if ((isset($prefs['wiki_list_categories']) && $prefs['wiki_list_categories'] == 'y') || (isset($prefs['wiki_list_categories_path']) && $prefs['wiki_list_categories_path'] == 'y')) {
			foreach($listpages['data'] as $i => $check) {
				$cats = $categlib->get_object_categories('wiki page', $check['pageName']);
				foreach($cats as $cat) {
					$listpages['data'][$i]['categpath'][] = $cp = $categlib->get_category_path_string($cat);
					if ($s = strrchr($cp, ':')) $listpages['data'][$i]['categname'][] = substr($s, 1);
					else $listpages['data'][$i]['categname'][] = $cp;
				}
			}
		}
	}
	if ($prefs['feature_multilingual'] == 'y') {
		$languages = array();
		$languages = $tikilib->list_languages(false, 'y');
		$smarty->assign_by_ref('languages', $languages);
	}
	
	if ($prefs["gmap_page_list"] == 'y') {
		// Generate Google map plugin data
		global $gmapobjectarray;
		$gmapobjectarray = array();
		foreach ($listpages["data"] as $p) {
			$gmapobjectarray[] = array('type' => 'wiki page',
				'id' => $p["pageName"],
				'title' => $p["pageName"],
				'href' => "tiki-index.php?page=" . urlencode($p["pageName"]),
			);
		}
	}
	$smarty->assign_by_ref('listpages', $listpages["data"]);
	$smarty->assign_by_ref('cant', $listpages['cant']);
	ask_ticket('list-pages');
	include_once ('tiki-section_options.php');
	// disallow robots to index page:
	$smarty->assign('metatag_robots', 'NOINDEX, NOFOLLOW');

	// Exact match and single result, go to page directly
	if( count( $listpages['data'] ) == 1 ) {
		$result = reset( $listpages['data'] );
		if( strtolower( $find ) == strtolower( $result['pageName'] ) ) {
			require_once 'lib/wiki/wikilib.php';
			header( 'Location: ' . $wikilib->sefurl( $result['pageName'], '', $all_langs ) );
			exit;
		}
	}

	if ($access->is_serializable_request()) {
		if (isset($_REQUEST['listonly']) && ($prefs['feature_jquery'] == 'y' && $prefs['feature_jquery_autocomplete'] == 'y')) {
			$pages = array();
			foreach($listpages['data'] as $page) $pages[] = $page['pageName'];
			$access->output_serialized($pages);
		} else {
			$pages = array();
			require_once 'lib/wiki/wikilib.php';
			foreach($listpages['data'] as $page) {
				$pages[] = array('page_id' => $page['page_id'], 'page_name' => $page['pageName'], 'url' => $wikilib->sefurl($page['pageName']), 'version' => $page['version'], 'description' => $page['description'], 'last_modif' => date('Y-m-d H:i:s', $page['lastModif']), 'last_author' => $page['user'], 'creator' => $page['creator'], 'creation_date' => date('Y-m-d H:i:s', $page['created']), 'lang' => $page['lang'],);
			}
			require_once 'lib/ointegratelib.php';
			$response = OIntegrate_Response::create(array('list' => $pages), '1.0');
			$response->addTemplate('smarty', 'tikiwiki', 'files/templates/listpages/smarty-tikiwiki-1.0-shortlist.txt');
			$response->schemaDocumentation = 'http://dev.tiki.org/WebserviceListpages';
			$response->send();
		}
	} else {
		// Display the template
		$smarty->assign('mid', ($listpages_orphans ? 'tiki-orphan_pages.tpl' : 'tiki-listpages.tpl'));
		$smarty->display("tiki.tpl");
	}
}
function setLangFilter($filter) {
	global $smarty, $prefs, $multilinguallib;
	include_once ('lib/multilingual/multilinguallib.php');	
	$lang = $multilinguallib->currentPageSearchLanguage();
	if (isset($_REQUEST['listonly']) && $prefs['feature_jquery_autocomplete'] == 'y' && strlen($lang) > 2) {
		$lang = substr($lang, 0, 2);		// for autocomplete - use only language filter, not culture as well
	}
	// Without this condition, default listing is empty and language filter shows any language
	if ($lang == 'en-us') {
		$lang = 'en';
	}
	$filter['lang'] = $lang;
	$smarty->assign_by_ref('find_lang', $lang);
	return $filter;
}
function possibly_look_for_page_aliases($query) {
	global $prefs, $smarty, $semanticlib, $_REQUEST;
	$lang = NULL;
	if (isset($_REQUEST['lang'])) {
		$lang = $_REQUEST['lang'];
	}
	if ($prefs['feature_wiki_pagealias'] == 'y' && $query) {
		global $semanticlib;
		require_once 'lib/wiki/semanticlib.php';
		$aliases = $semanticlib->getAliasContaining($query, false, $lang);
		$smarty->assign('aliases', $aliases);
	} else {
		$smarty->assign('aliases', null);
	}
	if (!empty($aliases) > 0) {
		$smarty->assign('aliases_were_found', 'y');
	} else {
		$smarty->assign('aliases_were_found', 'n');
	}
	$alias_found = 'n';
	if (!empty($aliases)) {
		foreach($aliases as $an_alias_info) {
			if ($an_alias_info['toPage'] == $query) {
				$alias_found = 'y';
			}
		}
	}
	$smarty->assign('alias_found', $alias_found);

	set_category_for_new_page_creation();
}

function set_category_for_new_page_creation() {
	global $_REQUEST, $prefs, $smarty;

	$create_page_with_categId = '';
    if (isset($_REQUEST['create_page_with_search_category'])) {
		if ($prefs['feature_categories'] == 'y' && !empty($_REQUEST['categId'])) {
			$create_page_with_categId = $_REQUEST['categId'];
		}
	}
	$smarty->assign('create_page_with_categId', $create_page_with_categId);
}
