Allow updating and getting names of vocabulary groups

src/NodaLogEdit.php

@@ -30,6 +30,7 @@ final class NodaLogEdit {
         'synchronize',
         'status',
         'translation',
+        'group',
     ];
 
     /**

src/NodaNameGetter.php

@@ -335,4 +335,28 @@ final class NodaNameGetter {
         return "";
 
     }
+
+    /**
+     * Static function for getting the name for a group.
+     *
+     * @param MDMysqli $mysqli_noda DB connection.
+     * @param integer  $group_id    Group ID.
+     *
+     * @return string
+     */
+    public static function getGroupName(MDMysqli $mysqli_noda, int $group_id):string {
+
+        $result = $mysqli_noda->query_by_stmt("SELECT `group_name`
+            FROM `group`
+            WHERE `group_id` = ?", "i", $group_id);
+
+        if ($cur = $result->fetch_row()) {
+            $result->close();
+            return MD_STD_IN::sanitize_text($cur[0]);
+        }
+        $result->close();
+
+        return "";
+
+    }
 }