Actualización

main/inc/lib/search/ChamiloQuery.php

@@ -0,0 +1,82 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Script defining generic functions against a search engine api. Just only if one day the search engine changes.
+ *
+ * @package chamilo.include.search
+ */
+require 'xapian/XapianQuery.php';
+
+/**
+ * Wrapper for queries.
+ *
+ * @param string $query_string The search string
+ * @param int    $offset       Offset to the first item to retrieve. Optional
+ * @param   int       length          Number of items to retrieve. Optional
+ * @param   array     extra           Extra queries to join with. Optional
+ *
+ * @return array
+ */
+function chamilo_query_query($query_string, $offset = 0, $length = 10, $extra = null)
+{
+    list($count, $results) = xapian_query($query_string, null, $offset, $length, $extra);
+
+    return chamilo_preprocess_results($results);
+}
+
+function chamilo_query_simple_query($query_string, $offset = 0, $length = 10, $extra = null)
+{
+    return xapian_query($query_string, null, $offset, $length, $extra);
+}
+
+/**
+ * Wrapper for getting boolean queries.
+ *
+ * @param string $term The term string
+ */
+function chamilo_get_boolean_query($term)
+{
+    return xapian_get_boolean_query($term);
+}
+
+/**
+ * Preprocess all results depending on the toolid.
+ */
+function chamilo_preprocess_results($results)
+{
+    // group by toolid
+    $results_by_tool = [];
+    if (count($results) > 0) {
+        foreach ($results as $key => $row) {
+            $results_by_tool[$row['toolid']][] = $row;
+        }
+
+        $processed_results = [];
+        foreach ($results_by_tool as $toolid => $rows) {
+            $tool_processor_class = $toolid.'_processor';
+            $tool_processor_path = api_get_path(LIBRARY_PATH).'search/tool_processors/'.$tool_processor_class.'.class.php';
+            if (file_exists($tool_processor_path)) {
+                require_once $tool_processor_path;
+                $tool_processor = new $tool_processor_class($rows);
+                $processed_results = array_merge($tool_processor->process(), $processed_results);
+            }
+        }
+
+        return [count($processed_results), $processed_results];
+    }
+}
+
+/**
+ * Wrapper for join xapian queries.
+ *
+ * @param XapianQuery|array $query1
+ * @param XapianQuery|array $query2
+ * @param string            $op
+ *
+ * @return XapianQuery query joined
+ */
+function chamilo_join_queries($query1, $query2 = null, $op = 'or')
+{
+    return xapian_join_queries($query1, $query2, $op);
+}