fix(predesign): 修复包装与车次关联数据一致性问题

包装管理存在两个一致性问题：一是组件可重复进入其他包装，导致
组件归属冲突；二是删除车次后包装仍保留旧车次关联，产生脏数据。
本次修改统一补齐校验和解绑逻辑，避免包装与发货数据出现错误关联。

SGGL/BLL/HJGL/PreDesign/PackagingManageService .cs

@@ -143,6 +143,15 @@ namespace BLL
         /// <exception cref="Exception">当该预制组件已被包装时抛出异常</exception>
         public static void AddPipelineComponentToPackaging(string packagingManageId, string pipelineComponentId)
         {
+            using (Model.SGGLDB db = new Model.SGGLDB(Funs.ConnString))
+            {
+                bool existsInCurrentPackaging = db.HJGL_PackagingManageDetail.Any(x => x.PackagingManageId == packagingManageId && x.PipelineComponentId == pipelineComponentId);
+                if (existsInCurrentPackaging)
+                {
+                    return;
+                }
+                ValidatePipelineComponentsNotInOtherPackaging(pipelineComponentId);
+
                 var ComponentModel = BLL.HJGL_PipelineComponentService.GetPipelineComponentById(pipelineComponentId);
                 if (ComponentModel != null)
                 {
@@ -155,7 +164,9 @@ namespace BLL
                         CreateTime = DateTime.Now,
                         CreateUser = null,
                     };
-                HJGLPackagingmanagedetailService.Add(model);
+                    db.HJGL_PackagingManageDetail.InsertOnSubmit(model);
+                    db.SubmitChanges();
+                }
             }
         }
 
@@ -172,6 +183,7 @@ namespace BLL
                 db1.HJGL_PackagingManage.DeleteOnSubmit(table);
                 db1.SubmitChanges();
             }
+            HJGLPackagingmanagedetailService.DeleteByPackagingManageId(PackagingManageId);
         }
 
         /// <summary>
@@ -632,6 +644,11 @@ namespace BLL
                 }
 
                 // 创建新的包装明细记录
+                var addedComponentIds = allComponentIds.Except(existingComponentIds).ToList();
+                foreach (var item in addedComponentIds)
+                {
+                    ValidatePipelineComponentsNotInOtherPackaging(item);
+                }
                 var newDetailList = new List<Model.HJGL_PackagingManageDetail>();
                 foreach (var item in allComponentIds)
                 {
@@ -671,6 +688,28 @@ namespace BLL
         /// 获取包装状态下拉框选项
         /// </summary>
         /// <returns>包装状态列表，包含状态文本和值的映射关系</returns>
+        private static void ValidatePipelineComponentsNotInOtherPackaging(string pipelineComponentId)
+        {
+            if (string.IsNullOrEmpty(pipelineComponentId))
+            {
+                return;
+            }
+
+            var existDetail = (from detail in Funs.DB.HJGL_PackagingManageDetail
+                               join pack in Funs.DB.HJGL_PackagingManage on detail.PackagingManageId equals pack.PackagingManageId   
+                               where detail.PipelineComponentId == pipelineComponentId
+                               select new
+                               {
+                                   detail.PipelineComponentId,
+                                   PackagingCode = pack == null ? null : pack.PackagingCode
+                               }).FirstOrDefault();
+            if (existDetail != null)
+            {
+                string packagingCodeText = string.IsNullOrEmpty(existDetail.PackagingCode) ? string.Empty : ("，包装编号：" + existDetail.PackagingCode);
+                throw new Exception("组件已在其他包装中存在" + packagingCodeText + "。");
+            }
+        }
+
         public static ListItem[] GetState()
         {
             ListItem[] list = new ListItem[3];

SGGL/BLL/HJGL/PreDesign/TrainNumberManageService.cs

@@ -144,11 +144,19 @@ namespace BLL
 
         public static void DeleteById(string Id)
         {
-            Model.HJGL_TrainNumberManage table = Funs.DB.HJGL_TrainNumberManage.FirstOrDefault(x => x.Id == Id);
+            var db = Funs.DB;
+            Model.HJGL_TrainNumberManage table = db.HJGL_TrainNumberManage.FirstOrDefault(x => x.Id == Id);
             if (table != null)
             {
-                Funs.DB.HJGL_TrainNumberManage.DeleteOnSubmit(table);
+                var packagingList = db.HJGL_PackagingManage.Where(x => x.TrainNumberId == Id).ToList();
-                Funs.DB.SubmitChanges();
+                foreach (var item in packagingList)
+                {
+                    item.TrainNumberId = null;
+                    item.TrainNumber = null;
+                }
+
+                db.HJGL_TrainNumberManage.DeleteOnSubmit(table);
+                db.SubmitChanges();
             }
         }