void

lib/common/extension/extension.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
 
 import '../../domain/table/table.dart';
+import '../types/void_type.dart';
 
 part 'build_context_extension.dart';
 part 'int_extension.dart';

lib/common/extension/string_extension.dart

@@ -36,4 +36,15 @@ extension StringX on String {
         return TableStatusType.unknown;
     }
   }
+
+  VoidType toVoidType() {
+    switch (this) {
+      case 'all':
+        return VoidType.all;
+      case 'item':
+        return VoidType.item;
+      default:
+        return VoidType.unknown;
+    }
+  }
 }

lib/common/types/void_type.dart

@@ -0,0 +1,12 @@
+enum VoidType { all, item, unknown }
+
+extension VoidTypeX on VoidType {
+  String toStringType() => switch (this) {
+    VoidType.all => 'ALL',
+    VoidType.item => 'ITEM',
+    VoidType.unknown => 'unknown',
+  };
+
+  bool get isAll => this == VoidType.all;
+  bool get isItem => this == VoidType.item;
+}