feat: add payment method

lib/viewmodels/bar_screen_view_model.dart

@@ -115,18 +115,18 @@ class BarScreenViewModel extends ChangeNotifier {
     await _reloadTabs();
   }
 
-  Future<void> closeSelectedTab() async {
+  Future<void> closeSelectedTab({String paymentMethod = 'cash'}) async {
     final tab = selectedTab;
 
     if (tab == null) return;
 
-    await barTabService.closeTab(tab.id);
+    await barTabService.closeTab(tab.id, paymentMethod: paymentMethod);
 
     await _reloadTabs();
   }
 
-  Future<void> closeTab(String tabId) async {
-    await barTabService.closeTab(tabId);
+  Future<void> closeTab(String tabId, {String paymentMethod = 'cash'}) async {
+    await barTabService.closeTab(tabId, paymentMethod: paymentMethod);
 
     await _reloadTabs();
   }

lib/viewmodels/dev_menu_view_model.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/foundation.dart';
+import 'package:drift/drift.dart';
 import 'package:kooltab2/database/app_database.dart';
 import 'package:kooltab2/services/bar_tab_service.dart';
 import 'package:kooltab2/services/pin_lock_service.dart';
@@ -274,6 +275,7 @@ class DevMenuViewModel extends ChangeNotifier {
         'Sam', 'Tina', 'Umar', 'Vera', 'Wes', 'Xena',
         'Yves', 'Zara',
       ];
+      const paymentMethods = ['cash', 'payconiq'];
 
       await database.transaction(() async {
         for (var i = 0; i < count; i++) {
@@ -295,6 +297,7 @@ class DevMenuViewModel extends ChangeNotifier {
               originalTabId: uuid.v4(),
               customerName: customer,
               closedAt: closedAt,
+              paymentMethod: Value(paymentMethods[(i * 3) % paymentMethods.length]),
             ),
           );