fix(订单服务): 修复订单采购服务中的验证逻辑和状态处理

- 移除OrderPurchaseDto中Id字段的必填验证
- 修改ProWorkorderMaterialService中的订单筛选条件
- 增强AddOrderPurchase和UpdateOrderPurchase方法的验证逻辑
- 为订单添加初始状态值和事务处理
- 修复导入日期处理和空值判断

DOAN.Model/MES/Order/Dto/OrderPurchaseDto.cs

@@ -46,7 +46,6 @@ namespace DOAN.Model.MES.order.Dto
     /// </summary>
     public class OrderPurchaseDto
     {
-        [Required(ErrorMessage = "雪花id不能为空")]
         public string Id { get; set; }
 
         public DateTime? ImportDate { get; set; }

DOAN.Service/MES/Order/OrderPurchaseService.cs

@@ -1,4 +1,5 @@
 using Aliyun.OSS;
+using DOAN.Model.BZFM;
 using DOAN.Model.MES.order;
 using DOAN.Model.MES.order.Dto;
 using DOAN.Model.MES.product;
@@ -97,7 +98,46 @@ namespace DOAN.Service.MES.order
         /// <returns></returns>
         public OrderPurchase AddOrderPurchase(OrderPurchase model)
         {
-            return Insertable(model).ExecuteReturnEntity();
+            // 订单号唯一性验证
+            var existingOrder = Context.Queryable<OrderPurchase>()
+                .Where(it => it.OrderNoMes == model.OrderNoMes)
+                .First();
+
+            if (existingOrder != null)
+            {
+                throw new ArgumentException($"订单号 {model.OrderNoMes} 已存在，请使用其他订单号");
+            }
+
+            // 设置初始值
+            DateTime now = DateTime.Now;
+            model.Id = SnowFlakeSingle.Instance.NextId().ToString();
+
+            var materialInfo = Context.Queryable<MmMaterial>().Where(it => it.MaterialCode == model.MaterialCode).First();
+            if(materialInfo == null)
+            {
+                throw new ArgumentException($"物料号 {model.MaterialCode} 不在清单中，请检查");
+            }
+            model.MaterialName = materialInfo.MaterialName;
+            model.ImportDate = now;
+            model.DocumentDate = now;
+            model.CreatedTime = now;
+            model.CreatedBy = "";
+            model.UpdatedTime = now;
+            model.UpdatedBy = "";
+            // 设置默认值
+            model.Specordindicator = -1; // 不处理
+            model.DeliveryQuantity = 0; // 实际交货数量初始为0
+            model.Orderindicator = -1; // 订单未完成（初始状态）
+            model.Status = 0; // 状态待处理
+
+            // 使用事务处理
+            OrderPurchase result = null;
+            UseTran2(() =>
+            {
+                result = Insertable(model).ExecuteReturnEntity();
+            });
+
+            return result;
         }
 
         /// <summary>
@@ -107,7 +147,31 @@ namespace DOAN.Service.MES.order
         /// <returns></returns>
         public int UpdateOrderPurchase(OrderPurchase model)
         {
-            return Update(model, true);
+            // 订单号唯一性验证
+            var existingOrder = Context.Queryable<OrderPurchase>()
+                .Where(it => it.OrderNoMes == model.OrderNoMes && it.Id != model.Id)
+                .First();
+
+            if (existingOrder != null)
+            {
+                throw new ArgumentException($"订单号 {model.OrderNoMes} 已存在，请使用其他订单号");
+            }
+
+            var materialInfo = Context.Queryable<MmMaterial>().Where(it => it.MaterialCode == model.MaterialCode).First();
+            if (materialInfo == null)
+            {
+                throw new ArgumentException($"物料号 {model.MaterialCode} 不在清单中，请检查");
+            }
+            model.MaterialName = materialInfo.MaterialName;
+
+            // 使用事务处理
+            int result = 0;
+            UseTran2(() =>
+            {
+                result = Update(model, true);
+            });
+
+            return result;
         }
 
         /// <summary>

DOAN.Service/MES/Product/ProWorkorderMaterialService.cs

@@ -479,7 +479,7 @@ namespace DOAN.Service.MES.product
                 var orderPurchaseList = Context
                     .Queryable<OrderPurchase>()
                     .Where(o => o.MaterialCode == workorderInfo.productionCode)
-                    .Where(it => it.Orderindicator == 0)
+                    .Where(it => it.Orderindicator != -1)
                     .OrderBy(it => it.DeliveryDate)
                     .Select(
                         o => new OrderPurchaseDto