Actualización

2025-04-10 12:49:05 +02:00
parent 4aff98e77b
commit 1cdd00920f
9151 changed files with 1800913 additions and 0 deletions
--- a/main/inc/lib/search/ChamiloIndexer.class.php
+++ b/main/inc/lib/search/ChamiloIndexer.class.php
@@ -0,0 +1,103 @@
+<?php
+
+/* For licensing terms, see /license.txt */
+/**
+ * @package chamilo.include.search
+ */
+require_once __DIR__.'/../../global.inc.php';
+
+/**
+ * Class wrapper.
+ *
+ * @package chamilo.include.search
+ */
+class ChamiloIndexer extends XapianIndexer
+{
+    /**
+     * Set terms on search_did given.
+     *
+     * @param string $terms_string        Comma-separated list of terms from input form
+     * @param string $prefix              Search engine prefix
+     * @param string $course_code         Course code
+     * @param string $tool_id             Tool id from mainapi.lib.php
+     * @param int    $ref_id_high_level   Main id of the entity to index (Ex. lp_id)
+     * @param int    $ref_id_second_level Secondary id of the entity to index (Ex. lp_item)
+     * @param int    $search_did          Search engine document id from search_engine_ref table
+     *
+     * @return bool False on error or nothing to do, true otherwise
+     */
+    public function set_terms(
+        $terms_string,
+        $prefix,
+        $course_code,
+        $tool_id,
+        $ref_id_high_level,
+        $ref_id_second_level,
+        $search_did
+    ) {
+        $terms_string = trim($terms_string);
+        $terms = explode(',', $terms_string);
+        array_walk($terms, 'trim_value');
+
+        $stored_terms = $this->get_terms_on_db($prefix, $course_code, $tool_id, $ref_id_high_level);
+
+        // don't do anything if no change, verify only at DB, not the search engine
+        if ((count(array_diff($terms, $stored_terms)) == 0) &&
+            (count(array_diff($stored_terms, $terms)) == 0)
+        ) {
+            return false;
+        }
+
+        require_once api_get_path(LIBRARY_PATH).'search/xapian/XapianQuery.php';
+
+        // compare terms
+        $doc = $this->get_document($search_did);
+        $xapian_terms = xapian_get_doc_terms($doc, $prefix);
+        $xterms = [];
+        foreach ($xapian_terms as $xapian_term) {
+            $xterms[] = substr($xapian_term['name'], 1);
+        }
+
+        $dterms = $terms;
+
+        $missing_terms = array_diff($dterms, $xterms);
+        $deprecated_terms = array_diff($xterms, $dterms);
+
+        // save it to search engine
+        foreach ($missing_terms as $term) {
+            $this->add_term_to_doc($prefix.$term, $doc);
+        }
+        foreach ($deprecated_terms as $term) {
+            $this->remove_term_from_doc($prefix.$term, $doc);
+        }
+
+        // don't do anything if no change
+        if ((count($missing_terms) > 0) || (count($deprecated_terms) > 0)) {
+            $this->replace_document($doc, (int) $search_did);
+        }
+
+        return true;
+    }
+
+    /**
+     * Get the terms stored at database.
+     *
+     * @return array Array of terms
+     */
+    public function get_terms_on_db($prefix, $course_code, $tool_id, $ref_id)
+    {
+        require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
+        $terms = get_specific_field_values_list_by_prefix(
+            $prefix,
+            $course_code,
+            $tool_id,
+            $ref_id
+        );
+        $prefix_terms = [];
+        foreach ($terms as $term) {
+            $prefix_terms[] = $term['value'];
+        }
+
+        return $prefix_terms;
+    }
+}