Change SaveEntitiesAsync to SaveChangesAsync

src/Services/Ordering/Ordering.API/Application/DomainEventHandlers/OrderPaid/OrderStatusChangedToPaidDomainEventHandler.cs

@@ -41,11 +41,6 @@
                 orderStockList);
             await _orderingIntegrationEventService.SaveEventAndOrderingContextChangesAsync(decrementOrderStockCommandMsg);
             await _orderingIntegrationEventService.PublishThroughEventBusAsync(decrementOrderStockCommandMsg);
-
-            //is it necessary get a DecrementOrderStockSuccessIntegrationEvent/DecrementOrderStockFailedIntegrationEvent before to call ShipOrderCommandMsg???
-            var shipOrderCommandMsg = new ShipOrderCommandMsg(orderStatusChangedToPaidDomainEvent.OrderId);
-            await _orderingIntegrationEventService.SaveEventAndOrderingContextChangesAsync(shipOrderCommandMsg);
-            await _orderingIntegrationEventService.PublishThroughEventBusAsync(shipOrderCommandMsg);
         }
     }  
 }

src/Services/Ordering/Ordering.API/Application/IntegrationEvents/EventHandling/OrderPaymentFailedIntegrationEventHandler.cs

@@ -17,11 +17,11 @@
 
         public async Task Handle(OrderPaymentFailedIntegrationEvent @event)
         {
-            var orderToUpdate = await _orderRepository.GetAsync(@event.OrderId);
+            var orderToUpdate = await _orderRepository.GetWithDependenciesAsync(@event.OrderId);
 
             orderToUpdate.SetCancelledStatus();
 
-            await _orderRepository.UnitOfWork.SaveEntitiesAsync();
+            await _orderRepository.UnitOfWork.SaveChangesAsync();
         }
     }
 }

src/Services/Ordering/Ordering.API/Application/IntegrationEvents/EventHandling/OrderPaymentSuccededIntegrationEventHandler.cs

@@ -17,11 +17,11 @@
 
         public async Task Handle(OrderPaymentSuccededIntegrationEvent @event)
         {
-            var orderToUpdate = await _orderRepository.GetAsync(@event.OrderId);
+            var orderToUpdate = await _orderRepository.GetWithDependenciesAsync(@event.OrderId);
 
             orderToUpdate.SetPaidStatus();
 
-            await _orderRepository.UnitOfWork.SaveEntitiesAsync();
+            await _orderRepository.UnitOfWork.SaveChangesAsync();
         }
     }
 }

src/Services/Ordering/Ordering.API/Application/IntegrationEvents/EventHandling/OrderStockConfirmedIntegrationEventHandler.cs

@@ -17,11 +17,11 @@
 
         public async Task Handle(OrderStockConfirmedIntegrationEvent @event)
         {
-            var orderToUpdate = await _orderRepository.GetAsync(@event.OrderId);
+            var orderToUpdate = await _orderRepository.GetWithDependenciesAsync(@event.OrderId);
 
             orderToUpdate.SetStockConfirmedStatus();
 
-            await _orderRepository.UnitOfWork.SaveEntitiesAsync();
+            await _orderRepository.UnitOfWork.SaveChangesAsync();
         }
     }
 }

src/Services/Ordering/Ordering.API/Application/IntegrationEvents/EventHandling/OrderStockNotConfirmedIntegrationEventHandler.cs

@@ -19,7 +19,7 @@ namespace Ordering.API.Application.IntegrationEvents.EventHandling
 
         public async Task Handle(OrderStockNotConfirmedIntegrationEvent @event)
         {
-            var orderToUpdate = await _orderRepository.GetAsync(@event.OrderId);
+            var orderToUpdate = await _orderRepository.GetWithDependenciesAsync(@event.OrderId);
 
             var orderStockNotConfirmedItems = @event.OrderStockItems
                 .FindAll(c => !c.Confirmed)

src/Services/Ordering/Ordering.API/Startup.cs

@@ -32,6 +32,7 @@
     using System;
     using System.Data.Common;
     using System.Reflection;
+    using global::Ordering.API.Application.IntegrationEvents.EventHandling;
 
     public class Startup
     {
@@ -129,8 +130,14 @@
             services.AddSingleton<IEventBusSubscriptionsManager, InMemoryEventBusSubscriptionsManager>();
             services.AddTransient<IIntegrationEventHandler<UserCheckoutAcceptedIntegrationEvent>>();
             services.AddTransient<IIntegrationEventHandler<ConfirmGracePeriodCommandMsg>, OrderProcessSaga>();
-            services.AddTransient<IIntegrationEventHandler<OrderStockConfirmedIntegrationEvent>>();
-            services.AddTransient<IIntegrationEventHandler<OrderStockNotConfirmedIntegrationEvent>>();
+            services.AddTransient<IIntegrationEventHandler<OrderStockConfirmedIntegrationEvent>, 
+                OrderStockConfirmedIntegrationEventHandler>();
+            services.AddTransient<IIntegrationEventHandler<OrderStockNotConfirmedIntegrationEvent>, 
+                OrderStockNotConfirmedIntegrationEventHandler>();
+            services.AddTransient<IIntegrationEventHandler<OrderPaymentFailedIntegrationEvent>,
+                OrderPaymentFailedIntegrationEventHandler>();
+            services.AddTransient<IIntegrationEventHandler<OrderPaymentSuccededIntegrationEvent>,
+                OrderPaymentSuccededIntegrationEventHandler>();
             services.AddOptions();
 
             //configure autofac
@@ -176,12 +183,11 @@
             var eventBus = app.ApplicationServices.GetRequiredService<IEventBus>();
 
             eventBus.Subscribe<UserCheckoutAcceptedIntegrationEvent, IIntegrationEventHandler<UserCheckoutAcceptedIntegrationEvent>>();
-
             eventBus.Subscribe<ConfirmGracePeriodCommandMsg, IIntegrationEventHandler<ConfirmGracePeriodCommandMsg>>();
-
             eventBus.Subscribe<OrderStockConfirmedIntegrationEvent, IIntegrationEventHandler<OrderStockConfirmedIntegrationEvent>>();
-
             eventBus.Subscribe<OrderStockNotConfirmedIntegrationEvent, IIntegrationEventHandler<OrderStockNotConfirmedIntegrationEvent>>();
+            eventBus.Subscribe<OrderPaymentFailedIntegrationEvent, IIntegrationEventHandler<OrderPaymentFailedIntegrationEvent>>();
+            eventBus.Subscribe<OrderPaymentSuccededIntegrationEvent, IIntegrationEventHandler<OrderPaymentSuccededIntegrationEvent>>();
         }
 
         protected virtual void ConfigureAuth(IApplicationBuilder app)

src/Services/Ordering/Ordering.Domain/AggregatesModel/OrderAggregate/IOrderRepository.cs

@@ -13,5 +13,7 @@ namespace Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.O
         void Update(Order order);
 
         Task<Order> GetAsync(int orderId);
+
+        Task<Order> GetWithDependenciesAsync(int orderId);
     }
 }

src/Services/Ordering/Ordering.Domain/AggregatesModel/OrderAggregate/Order.cs

@@ -30,7 +30,7 @@ namespace Microsoft.eShopOnContainers.Services.Ordering.Domain.AggregatesModel.O
         // but only through the method OrderAggrergateRoot.AddOrderItem() which includes behaviour.
         private readonly List<OrderItem> _orderItems;
 
-        public IReadOnlyList<OrderItem> OrderItems => _orderItems;
+        public IReadOnlyCollection<OrderItem> OrderItems => _orderItems;
         // Using List<>.AsReadOnly() 
         // This will create a read only wrapper around the private list so is protected against "external updates".
         // It's much cheaper than .ToList() because it will not have to copy all items in a new collection. (Just one heap alloc for the wrapper instance)

src/Services/Ordering/Ordering.Infrastructure/Repositories/OrderRepository.cs

@@ -32,6 +32,11 @@ namespace Microsoft.eShopOnContainers.Services.Ordering.Infrastructure.Repositor
         }
 
         public async Task<Order> GetAsync(int orderId)
+        {
+            return await _context.Orders.FindAsync(orderId);
+        }
+
+        public async Task<Order> GetWithDependenciesAsync(int orderId)
         {
             return await _context.Orders
                 .Include(c => c.OrderStatus)