upgrade

main/inc/lib/search/get_terms.php

@@ -0,0 +1,99 @@
+<?php
+
+/* For licensing terms, see /license.txt */
+/**
+ * This script retrieves a list of terms that have xapian documents
+ * related with the term passed.
+ *
+ * @package chamilo.include.search
+ */
+$terms_list = [];
+
+// verify parameter and return a right value to avoid problems parsing it
+if (empty($_GET['term']) || empty($_GET['prefix']) || !in_array($_GET['operator'], ['or', 'and'])) {
+    echo json_encode($terms_list);
+
+    return;
+}
+
+require_once __DIR__.'../../../global.inc.php';
+require_once api_get_path(LIBRARY_PATH).'search/ChamiloQuery.php';
+
+/**
+ * Search with filter and build base array avoiding repeated terms.
+ *
+ * @param array $filter          XapianQuery array
+ * @param array $specific_fields
+ *
+ * @return array $sf_terms
+ */
+function get_usual_sf_terms($filter, $specific_fields)
+{
+    $sf_terms = [];
+    $dkterms = chamilo_query_simple_query('', 0, 1000, $filter);
+
+    if (is_array($dkterms) && is_array($dkterms[1])) {
+        foreach ($specific_fields as $specific_field) {
+            foreach ($dkterms[1] as $obj) {
+                foreach ($obj['sf-'.$specific_field['code']] as $raw_term) {
+                    if (count($raw_term['name']) > 1) {
+                        $normal_term = substr($raw_term['name'], 1);
+                        $sf_terms[$specific_field['code']][$normal_term] = $normal_term;
+                    }
+                }
+            }
+        }
+    }
+
+    return $sf_terms;
+}
+
+$term = $_GET['term'];
+$prefix = $_GET['prefix'];
+$operator = $_GET['operator'];
+
+$specific_fields = get_specific_field_list();
+$sf_terms = [];
+
+if (($cid = api_get_course_id()) != -1) { // with cid
+    // course filter
+    $filter[] = chamilo_get_boolean_query(XAPIAN_PREFIX_COURSEID.$cid);
+    // term filter
+    if ($term != '__all__') {
+        $filter[] = chamilo_get_boolean_query($prefix.$term);
+        // always and between term and courseid
+        $filter = chamilo_join_queries($filter, null, 'and');
+    }
+
+    $sf_terms = get_usual_sf_terms($filter, $specific_fields);
+} else { // without cid
+    if ($term != '__all__') {
+        $filter[] = chamilo_get_boolean_query($prefix.$term);
+
+        $sf_terms = get_usual_sf_terms($filter, $specific_fields);
+    } else { // no cid and all/any terms
+        foreach ($specific_fields as $specific_field) {
+            foreach (xapian_get_all_terms(1000, $specific_field['code']) as $raw_term) {
+                if (count($raw_term['name']) > 1) {
+                    $normal_term = substr($raw_term['name'], 1);
+                    $sf_terms[$specific_field['code']][$normal_term] = $normal_term;
+                }
+            }
+        }
+    }
+}
+
+// build array to return
+foreach ($sf_terms as $sf_prefix => $term_group) {
+    //if (count($tem_group) > 0) {
+    $first_term = ['__all__' => ($operator == 'or' ? '-- Any --' : '-- All -- ')];
+    //}
+    if ($sf_prefix != $prefix) {
+        $terms_list[] = [
+            'prefix' => $sf_prefix,
+            'terms' => array_merge($first_term, $term_group),
+        ];
+    }
+}
+
+echo json_encode($terms_list);