Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/metadata/search.php

149 lines
5.2 KiB

<?php
/* See license terms in /license.txt */
/**
* Chamilo metadata/search.php
* 2005/09/20
* @copyright 2005 rene.haentjens@UGent.be - see metadata/md_funcs.php
* @package chamilo.metadata
*/
/**
* Chamilo Metadata: search Chamilo course objects via their metadata
* URL parameters:
* - type= type, must be 'Mix' (currently: Document + Scorm + Link)
* - lfn= filename of a language file, e.g. 'md_doc', default= 'md_' + type;
* - htt= HTML template file (same dir as script), default= 'mds_' + type.
*/
// PRELIMS -------------------------------------------------------------------->
require("md_funcs.php");
getpar('TYPE', 'e.g. Mix', 'Mix'); // note: only 'Mix' is currently working
require('md_' . strtolower(TYPE) . '.php');
getpar('LFN', 'LanguageFileName', 'md_' . strtolower(TYPE));
getpar('HTT', 'HTML Template Text filename', 'mds_' . strtolower(TYPE));
getpar('DBG', 'Debug number', '0'); // set to e.g. 10000 for debuginfo
$urlp = '?type='. urlencode(TYPE);
if (LFN != 'md_' . strtolower(TYPE)) $urlp .= '&lfn=' . urlencode(LFN);
if (HTT != 'mds_' . strtolower(TYPE)) $urlp .= '&htt=' . urlencode(HTT);
if (DBG) $urlp .= '&dbg=' . urlencode(DBG);
// name of the language file that needs to be included
$language_file = LFN; require("../inc/global.inc.php");
$this_section=SECTION_COURSES;
$nameTools = get_lang('Tool');
($nameTools && get_lang('Sorry'))
or give_up('Language file ' . LFN . " doesn't define 'Tool' and 'Sorry'");
$_course = api_get_course_info(); isset($_course) or give_up(get_lang('Sorry'));
require(api_get_path(LIBRARY_PATH) . 'xmd.lib.php');
require(api_get_path(LIBRARY_PATH) . 'xht.lib.php');
$xhtDoc = define_htt(HTT . '.htt', $urlp, $_course['path']);
$xhtDoc->xht_param['type'] = TYPE;
$xhtDoc->xht_param['index'] =
str_replace('/search.php', '/index.php', api_get_self());
// XML and DB STUFF ----------------------------------------------------------->
$mdStore = new mdstore(FALSE); // no create DB table from search
$xhtDoc->xht_get_lang = 'get_lang'; $xhtDoc->xht_xmldoc = new xmddoc('');
if ($xhtDoc->xht_xmldoc->error) give_up($xhtDoc->xht_xmldoc->error);
($mdt = $xhtDoc->xht_fill_template('DEFAULT'.TYPE))
or give_up('No template DEFAULT' . TYPE);
$xhtDoc->xht_xmldoc = new xmddoc(explode("\n", $mdt));
if ($xhtDoc->xht_xmldoc->error) give_up($xhtDoc->xht_xmldoc->error);
$xmlDoc = new xmddoc(''); if ($xmlDoc->error) give_up($xmlDoc->error);
if (isset($_POST['mdsc'])) // Search criteria
{
$mdsc = str_replace("\r", "\n", str_replace("\r\n", "\n",
get_magic_quotes_gpc() ? stripslashes($_POST['mdsc']) : $_POST['mdsc']));
foreach (explode("\n", $mdsc) as $word) if (($word = trim($word)))
{
$words .= ", " . $word;
$where .= " AND indexabletext " . ($word{0} != '-' ?
("LIKE '%".addslashes($word)."%'") :
("NOT LIKE '%".addslashes(substr($word, 1))."%'"));
}
if ($where)
{
$whereclause = substr($where, 5); // remove first " AND "
$xhtDoc->xht_xmldoc->xmd_add_text_element('query', $whereclause);
$xhtDoc->xht_param['traceinfo'] = substr($words, 2);
$result = $mdStore->mds_get_many('eid,mdxmltext', $whereclause);
while (($myrow = @Database::fetch_array($result)))
{
// not quite a real manifest, but very much like one...
$eid = $myrow['eid']; $xmlDoc = new xmddoc($myrow['mdxmltext']);
if ($xmlDoc->error) give_up('Entry '.$eid . ': ' . $xmlDoc->error);
$mdObj = new mdobject($_course, $eid); // md_mix.php
$xhtDoc->xht_xmldoc->xmd_copy_foreign_child($xmlDoc);
$newItem = $xhtDoc->xht_xmldoc->
xmd_select_single_element('item[-1]');
$xhtDoc->xht_xmldoc->xmd_set_attribute($newItem, 'eid', $eid);
$xhtDoc->xht_xmldoc->xmd_set_attribute($newItem, 'url',
$mdObj->mdo_url);
if ($mdObj->mdo_type == 'Scorm')
$xhtDoc->xht_xmldoc->xmd_set_attribute($newItem, 'brl',
$mdObj->mdo_base_url);
}
}
}
function check_is_thumb($p) // escape function, see mds_mix.htt
{
global $xhtDoc; if ($p !== FALSE) return ''; // should not happen
if (!ereg('^pptsl[0-9]+_t\.jpg$', $xhtDoc->xht_param['thumb']))
$xhtDoc->xht_param['thumb'] = '';
return '';
}
// GENERATE OUTPUT ------------------------------------------------------------>
foreach (explode("\n", $xhtDoc->htt_array['HTTP']) as $httpXtra)
if ($httpXtra) $httpHeadXtra[] = $httpXtra;
$xhtDoc->xht_get_lang = 'get_lang';
function resource_for($e) {return $e;} // dummy, '=/' not used here
$xhtDoc->xht_resource = 'resource_for';
$xhtDoc->xht_param['kwdswere_string'] = $_POST['kwdswere_string'];
$htmlHeadXtra[] = $xhtDoc->xht_fill_template('HEAD');
// $noPHP_SELF = TRUE; // in breadcrumps
Display::display_header($nameTools);
$xhtDoc->xht_dbgn = DBG; // for template debug info, set to e.g. 10000
if (($ti = $xhtDoc->xht_param['traceinfo'])) $xhtDoc->xht_param['traceinfo'] =
'<b>' . get_lang('Search') . '</b>: ' . htmlspecialchars($ti, ENT_QUOTES, $charset);
echo $xhtDoc->xht_fill_template('MDSEARCH'), "\n";
if ($xhtDoc->xht_dbgn) echo $xhtDoc->xht_dbgo;
Display::display_footer();
?>