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iMES.Custom/Services/Custom/Partial/Base_PrintTemplateService.cs

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+/*
+ *所有关于Base_PrintTemplate类的业务代码应在此处编写
+*可使用repository.调用常用方法，获取EF/Dapper等信息
+*如果需要事务请使用repository.DbContextBeginTransaction
+*也可使用DBServerProvider.手动获取数据库相关信息
+*用户信息、权限、角色等使用UserContext.Current操作
+*Base_PrintTemplateService对增、删、改查、导入、导出、审核业务代码扩展参照ServiceFunFilter
+*/
+using iMES.Core.BaseProvider;
+using iMES.Core.Extensions.AutofacManager;
+using iMES.Entity.DomainModels;
+using System.Linq;
+using iMES.Core.Utilities;
+using System.Linq.Expressions;
+using iMES.Core.Extensions;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.AspNetCore.Http;
+using iMES.Custom.IRepositories;
+using System;
+
+namespace iMES.Custom.Services
+{
+    public partial class Base_PrintTemplateService
+    {
+        private readonly IHttpContextAccessor _httpContextAccessor;
+        private readonly IBase_PrintTemplateRepository _repository;//访问数据库
+
+        [ActivatorUtilitiesConstructor]
+        public Base_PrintTemplateService(
+            IBase_PrintTemplateRepository dbRepository,
+            IHttpContextAccessor httpContextAccessor
+            )
+        : base(dbRepository)
+        {
+            _httpContextAccessor = httpContextAccessor;
+            _repository = dbRepository;
+            //多租户会用到这init代码，其他情况可以不用
+            //base.Init(dbRepository);
+        }
+        private WebResponseContent webResponse = new WebResponseContent();
+        public override WebResponseContent Add(SaveModel saveDataModel)
+        {
+    
+            // 在保存数据库前的操作，所有数据都验证通过了，这一步执行完就执行数据库保存
+            AddOnExecuting = (Base_PrintTemplate printTemplate, object list) =>
+            {
+                if (printTemplate.StatusFlag == 1)
+                {
+                    var listTemplate = _repository.FindAsIQueryable(x => x.StatusFlag == 1)
+                       .ToList();
+                    for (int i = 0; i < listTemplate.Count; i++)
+                    {
+                        listTemplate[i].StatusFlag = 0;
+                    }
+                    _repository.UpdateRange(listTemplate, true);
+                }
+                return webResponse.OK();
+            };
+            return base.Add(saveDataModel);
+        }
+
+        public override WebResponseContent Update(SaveModel saveModel)
+        {
+            //编辑方法保存数据库前处理
+            AddOnExecuting = (Base_PrintTemplate printTemplate, object list) =>
+            {
+                if (printTemplate.StatusFlag == 1)
+                {
+                    var listTemplate = _repository.FindAsIQueryable(x => x.StatusFlag == 1)
+                       .ToList();
+                    for (int i = 0; i < listTemplate.Count; i++)
+                    {
+                        listTemplate[i].StatusFlag = 0;
+                    }
+                    _repository.UpdateRange(listTemplate, true);
+                }
+                return webResponse.OK();
+            };
+            return base.Update(saveModel);
+        }
+        /// <summary>
+        /// 删除
+        /// </summary>
+        /// <param name="keys">删除的行的主键</param>
+        /// <param name="delList">删除时是否将明细也删除</param>
+        /// <returns></returns>
+        public override WebResponseContent Del(object[] keys, bool delList = true)
+        {
+            //删除前处理
+            //删除的行的主键
+            DelOnExecuting = (object[] _keys) =>
+            {
+                for (int i = 0; i < _keys.Length; i++)
+                {
+                    Guid id = new Guid((string)_keys[i]);
+                    if (repository.Exists(x => x.PrintTemplateId == id && x.isDefault == 1))
+                    {
+                        return webResponse.Error("系统内置模版不允许删除");
+                    }
+                }
+                return webResponse.OK();
+            };
+            return base.Del(keys, delList);
+        }
+    }
+}