Fix fatal error due an query see BT#13031

main/lp/learnpathItem.class.php

@@ -161,42 +161,36 @@ class learnpathItem
                     $this->children[] = $row['id'];
                 }
             }
-        }
-
-        //$this->seriousgame_mode = $this->get_seriousgame_mode();
-        $this->seriousgame_mode = 0;
 
-        // Get search_did.
-        if (api_get_setting('search_enabled') == 'true') {
-            $tbl_se_ref = Database::get_main_table(
-                TABLE_MAIN_SEARCH_ENGINE_REF
-            );
-            $sql = 'SELECT *
-                FROM %s
-                WHERE course_code=\'%s\'
-                    AND tool_id=\'%s\'
-                    AND ref_id_high_level=%s
-                    AND ref_id_second_level=%d
-                LIMIT 1';
-            // TODO: Verify if it's possible to assume the actual course instead
-            // of getting it from db.
-            $sql = sprintf(
-                $sql,
-                $tbl_se_ref,
-                api_get_course_id(),
-                TOOL_LEARNPATH,
-                $this->lp_id,
-                $id
-            );
-            if (self::DEBUG > 0) {
-                error_log($sql);
-            };
-            $res = Database::query($sql);
-            if (Database::num_rows($res) > 0) {
-                $se_ref = Database::fetch_array($res);
-                $this->search_did = (int) $se_ref['search_did'];
+            // Get search_did.
+            if (api_get_setting('search_enabled') == 'true') {
+                $tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
+                $sql = 'SELECT *
+                        FROM %s
+                        WHERE 
+                            course_code=\'%s\' AND 
+                            tool_id=\'%s\' AND 
+                            ref_id_high_level=%s AND 
+                            ref_id_second_level=%d
+                        LIMIT 1';
+                // TODO: Verify if it's possible to assume the actual course instead
+                // of getting it from db.
+                $sql = sprintf(
+                    $sql,
+                    $tbl_se_ref,
+                    api_get_course_id(),
+                    TOOL_LEARNPATH,
+                    $this->lp_id,
+                    $id
+                );
+                $res = Database::query($sql);
+                if (Database::num_rows($res) > 0) {
+                    $se_ref = Database::fetch_array($res);
+                    $this->search_did = (int) $se_ref['search_did'];
+                }
             }
         }
+        $this->seriousgame_mode = 0;
         $this->audio = $row['audio'];
         if (self::DEBUG > 0) {
             error_log(