feat: add alot

lib/models/bar_tab.dart

@@ -1,23 +1,20 @@
+import 'package:flutter/foundation.dart';
+
 import 'tab_item.dart';
-import '../utils/collection_utils.dart';
 
 class BarTab {
   final String id;
   final String customerName;
-  final String status;
   final DateTime openedAt;
-  final DateTime? closedAt;
   final int version;
   final List<TabItem> items;
 
   const BarTab({
     required this.id,
     required this.customerName,
-    required this.status,
     required this.openedAt,
     this.version = 0,
     required this.items,
-    this.closedAt,
   });
 
   int get totalInCents {
@@ -28,32 +25,17 @@ class BarTab {
     return items.fold<int>(0, (total, item) => total + item.quantity);
   }
 
-  String get formattedTotal {
-    return '€${(totalInCents / 100).toStringAsFixed(2)}';
-  }
-
-  bool get isOpen => status == 'open';
-
   @override
   bool operator ==(Object other) =>
       identical(this, other) ||
       other is BarTab &&
           id == other.id &&
           customerName == other.customerName &&
-          status == other.status &&
           openedAt == other.openedAt &&
-          closedAt == other.closedAt &&
           version == other.version &&
           listEquals(items, other.items);
 
   @override
-  int get hashCode => Object.hash(
-        id,
-        customerName,
-        status,
-        openedAt,
-        closedAt,
-        version,
-        Object.hashAll(items),
-      );
+  int get hashCode =>
+      Object.hash(id, customerName, openedAt, version, Object.hashAll(items));
 }