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96 lines
3.0 KiB
96 lines
3.0 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This script retrieves a list of terms that have xapian documents
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* related with the term passed
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* @package chamilo.include.search
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*/
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/**
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* Code
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*/
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$terms_list = array();
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// verify parameter and return a right value to avoid problems parsing it
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if (empty($_GET['term']) || empty($_GET['prefix']) || !in_array($_GET['operator'], array('or', 'and'))) {
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echo json_encode($terms_list);
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return;
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}
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require_once dirname(__FILE__) . '../../../global.inc.php';
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require_once api_get_path(LIBRARY_PATH) . 'search/ChamiloQuery.php';
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/**
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* search with filter and build base array avoding repeated terms
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* @param array $filter XapianQuery array
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* @param array $specific_fields
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* @return array $sf_terms
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*/
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function get_usual_sf_terms($filter, $specific_fields) {
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$sf_terms = array();
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$dkterms = chamilo_query_simple_query('', 0, 1000, $filter);
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if (is_array($dkterms) && is_array($dkterms[1])) {
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foreach ($specific_fields as $specific_field) {
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foreach ($dkterms[1] as $obj) {
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foreach ($obj['sf-' . $specific_field['code']] as $raw_term) {
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if (count($raw_term['name']) > 1) {
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$normal_term = substr($raw_term['name'], 1);
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$sf_terms[$specific_field['code']][$normal_term] = $normal_term;
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}
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}
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}
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}
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}
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return $sf_terms;
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}
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$term = $_GET['term'];
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$prefix = $_GET['prefix'];
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$operator = $_GET['operator'];
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$specific_fields = get_specific_field_list();
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$sf_terms = array();
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if (($cid = api_get_course_id()) != -1) { // with cid
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// course filter
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$filter[] = chamilo_get_boolean_query(XAPIAN_PREFIX_COURSEID . $cid);
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// term filter
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if ($term != '__all__') {
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$filter[] = chamilo_get_boolean_query($prefix . $term);
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// always and between term and courseid
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$filter = chamilo_join_queries($filter, null, 'and');
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}
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$sf_terms = get_usual_sf_terms($filter, $specific_fields);
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} else { // without cid
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if ($term != '__all__') {
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$filter[] = chamilo_get_boolean_query($prefix . $term);
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$sf_terms = get_usual_sf_terms($filter, $specific_fields);
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} else { // no cid and all/any terms
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foreach ($specific_fields as $specific_field) {
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foreach (xapian_get_all_terms(1000, $specific_field['code']) as $raw_term) {
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if (count($raw_term['name']) > 1) {
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$normal_term = substr($raw_term['name'], 1);
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$sf_terms[$specific_field['code']][$normal_term] = $normal_term;
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}
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}
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}
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}
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}
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// build array to return
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foreach ($sf_terms as $sf_prefix => $term_group) {
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//if (count($tem_group) > 0) {
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$first_term = array('__all__' => ($operator == 'or' ? '-- Any --' : '-- All -- '));
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//}
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if ($sf_prefix != $prefix) {
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$terms_list[] = array(
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'prefix' => $sf_prefix,
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'terms' => array_merge($first_term, $term_group),
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);
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}
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}
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echo json_encode($terms_list);
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