fix nullable处理

Src/Dlhis.Canteen/Order/Services/Implements/OrderService.cs

@@ -22,9 +22,9 @@ namespace Dlhis.Canteen.Order.Services.Implements;
 
 public class OrderService : BaseOrderService, IOrderService
 {
-    public OrderService(ICanteenSettingService canteenSettingService, 
+    public OrderService(ICanteenSettingService canteenSettingService,
         IDbContext dbContext,
-        ICurrentUser currentUser, 
+        ICurrentUser currentUser,
         IDevicePermissionApi devicePermissionApi,
         ILogger<OrderService> logger)
         : base(canteenSettingService, dbContext, currentUser, devicePermissionApi, logger)
@@ -366,6 +366,7 @@ public class OrderService : BaseOrderService, IOrderService
 
         var balanceRecords = await DbContext.Queryable<BalanceRecordEntity>()
             .Where(x => x.UserNo == order.UserNo)
+            .Where(x=>x.Type == BalanceRecordTypeEnumType.Out)
             .Where(x => x.CreateTime >= beginOfDay && x.CreateTime <= endOfDay) //今天消费记录
             .ToListAsync();
 
@@ -376,7 +377,9 @@ public class OrderService : BaseOrderService, IOrderService
                 .Where(x => x.Catalog == CanteenBusinessPlaceCatalogEnumType.Supermarket)
                 .Select(x => x.Code).ToListAsync();
 
-            var cost = balanceRecords.Where(x => businessPlaceCodes.Contains(x.BusinessPlaceCode.Value)).Sum(x => x.Amount);
+            var cost = balanceRecords.Where(x => x.BusinessPlaceCode.HasValue)
+                .Where(x => businessPlaceCodes.Contains(x.BusinessPlaceCode.Value))
+                .Sum(x => x.Amount);
             if (cost + Math.Abs(order.Amount) > dayMarketCostMax)
             {
                 throw new UserFriendlyException($"超出当天超市消费限制({dayMarketCostMax}),无法消费");