feat: delete item

lib/presentation/home/bloc/checkout/checkout_bloc.dart

@@ -3,7 +3,6 @@ import 'dart:developer';
 import 'package:bloc/bloc.dart';
 import 'package:enaklo_pos/data/datasources/product_local_datasource.dart';
 import 'package:enaklo_pos/data/models/response/discount_response_model.dart';
-import 'package:enaklo_pos/presentation/home/models/order_item.dart';
 import 'package:enaklo_pos/presentation/table/models/draft_order_item.dart';
 import 'package:enaklo_pos/presentation/table/models/draft_order_model.dart';
 import 'package:freezed_annotation/freezed_annotation.dart';
@@ -20,8 +19,9 @@ part 'checkout_bloc.freezed.dart';
 
 class CheckoutBloc extends Bloc<CheckoutEvent, CheckoutState> {
   final SettingsLocalDatasource settingsLocalDatasource;
-  
-  CheckoutBloc({required this.settingsLocalDatasource}) : super(const CheckoutState.initial()) {
+
+  CheckoutBloc({required this.settingsLocalDatasource})
+      : super(const CheckoutState.initial()) {
     on<_AddItem>((event, emit) {
       var currentState = state as _Loaded;
       List<ProductQuantity> items = [...currentState.items];
@@ -74,14 +74,37 @@ class CheckoutBloc extends Bloc<CheckoutEvent, CheckoutState> {
           currentState.orderType));
     });
 
+    on<_DeleteItem>((event, emit) {
+      var currentState = state as _Loaded;
+      List<ProductQuantity> items = [...currentState.items];
+      var index =
+          items.indexWhere((element) => element.product.id == event.product.id);
+      emit(const _Loading());
+
+      items.removeAt(index);
+
+      emit(_Loaded(
+          items,
+          currentState.discountModel,
+          currentState.discount,
+          currentState.discountAmount,
+          currentState.tax,
+          currentState.serviceCharge,
+          currentState.totalQuantity,
+          currentState.totalPrice,
+          currentState.draftName,
+          currentState.orderType));
+    });
+
     on<_Started>((event, emit) async {
       emit(const _Loading());
       try {
         // Load tax and service charge from settings
         final tax = await settingsLocalDatasource.getTax();
         final serviceCharge = await settingsLocalDatasource.getServiceCharge();
-        
-        emit(_Loaded([], null, 0, 0, tax.value, serviceCharge, 0, 0, '', OrderType.dineIn));
+
+        emit(_Loaded([], null, 0, 0, tax.value, serviceCharge, 0, 0, '',
+            OrderType.dineIn));
       } catch (e) {
         // If loading fails, use default values
         log('Failed to load settings: $e');
@@ -199,7 +222,8 @@ class CheckoutBloc extends Bloc<CheckoutEvent, CheckoutState> {
     on<_UpdateItemNotes>((event, emit) {
       var currentState = state as _Loaded;
       List<ProductQuantity> items = [...currentState.items];
-      var index = items.indexWhere((element) => element.product.id == event.product.id);
+      var index =
+          items.indexWhere((element) => element.product.id == event.product.id);
       if (index != -1) {
         items[index] = items[index].copyWith(notes: event.notes);
       }