Check order status before cancellation

Close #61

modules/EasyAbp.EShop.Orders/src/EasyAbp.EShop.Orders.Domain/EasyAbp/EShop/Orders/Orders/Order.cs

@@ -125,7 +125,7 @@ namespace EasyAbp.EShop.Orders.Orders
             CompletionTime = completionTime;
         }
 
-        public void Cancel(DateTime canceledTime, [CanBeNull] string cancellationReason)
+        public void SetCanceled(DateTime canceledTime, [CanBeNull] string cancellationReason)
         {
             CanceledTime = canceledTime;
             CancellationReason = cancellationReason;
@@ -154,5 +154,10 @@ namespace EasyAbp.EShop.Orders.Orders
 
             RefundAmount += amount;
         }
+
+        public bool IsInPayment()
+        {
+            return !(!PaymentId.HasValue || PaidTime.HasValue);
+        }
     }
 }

modules/EasyAbp.EShop.Orders/src/EasyAbp.EShop.Orders.Domain/EasyAbp/EShop/Orders/Orders/OrderManager.cs

@@ -51,7 +51,17 @@ namespace EasyAbp.EShop.Orders.Orders
 
         public virtual async Task<Order> CancelAsync(Order order, string cancellationReason)
         {
-            order.Cancel(_clock.Now, cancellationReason);
+            if (order.CanceledTime.HasValue)
+            {
+                throw new OrderIsInWrongStageException(order.Id);
+            }
+            
+            if (order.IsInPayment())
+            {
+                throw new OrderIsInWrongStageException(order.Id);
+            }
+
+            order.SetCanceled(_clock.Now, cancellationReason);
             order.SetOrderStatus(OrderStatus.Canceled);
 
             return await _orderRepository.UpdateAsync(order, true);

samples/EShopSample/aspnet-core/src/EShopSample.DbMigrator/appsettings.json

@@ -1,6 +1,6 @@
 {
   "ConnectionStrings": {
-    "Default": "Server=60.208.32.153;Database=fenghui01test;User Id=fenghui01test;Password=WYSytJdMORYnhTYmvf;Trusted_Connection=True;Integrated Security=false"
+    "Default": "Server=(LocalDb)\\MSSQLLocalDB;Database=EShopSample;Trusted_Connection=True;MultipleActiveResultSets=true"
   },
   "IdentityServer": {
     "Clients": {