优化上传代码

IRaCIS.Core.Infra.EFCore/Repository/IRepository.cs

@@ -14,6 +14,7 @@ using System.Threading.Tasks;
 using EFCore.BulkExtensions;
 using IRaCIS.Core.Domain.Share;
 using IRaCIS.Core.Infra.EFCore.Common.Dto;
+using System.Reflection;
 
 namespace IRaCIS.Core.Infra.EFCore
 {
@@ -88,6 +89,10 @@ namespace IRaCIS.Core.Infra.EFCore
         Task<bool> BatchDeleteAsync<T>(Expression<Func<T, bool>> deleteFilter) where T : Entity;
 
         Task<bool> BatchUpdateAsync<T>(Expression<Func<T, bool>> where, Expression<Func<T, T>> updateFactory) where T : Entity;
+
+        Task UpdatePartialFromQueryAsync<T>(Expression<Func<T, bool>> updateFilter,
+          Expression<Func<T, T>> updateFactory,
+          bool autoSave = false, bool ignoreQueryFilter = false) where T : Entity;
     }
 
     public class Repository : IRepository
@@ -493,6 +498,62 @@ namespace IRaCIS.Core.Infra.EFCore
 
             return await _dbContext.Set<T>().AsNoTracking().IgnoreQueryFilters().Where(whereFilter).BatchUpdateAsync(updateFactory).ConfigureAwait(false) > 0;
         }
+
+
+        public async Task UpdatePartialFromQueryAsync<T>(Expression<Func<T, bool>> updateFilter,
+           Expression<Func<T, T>> updateFactory,
+           bool autoSave = false, bool ignoreQueryFilter = false) where T : Entity
+        {
+            if (updateFilter == null)
+            {
+                throw new ArgumentException("更新过滤条件不允许为空", nameof(updateFilter));
+            }
+            var query = ignoreQueryFilter ? _dbContext.Set<T>().AsNoTracking().IgnoreQueryFilters() : _dbContext.Set<T>().AsNoTracking();
+
+            var searchEntityList = await query.Where(updateFilter).ToListAsync();
+
+            foreach (var needUpdateEntity in searchEntityList)
+            {
+                await UpdateAsync(needUpdateEntity, updateFactory, autoSave);
+            }
+
+        }
+
+        public async Task<bool> UpdateAsync<T>(T waitModifyEntity, Expression<Func<T, T>> updateFactory, bool autoSave = false) where T : Entity
+        {
+            var entityEntry = _dbContext.Entry(waitModifyEntity);
+            entityEntry.State = EntityState.Detached;
+
+
+            ModifyPartialFiled(waitModifyEntity, updateFactory);
+
+            return await SaveChangesAsync(autoSave);
+
+        }
+
+        /// <summary>更新后拥有完整的实体信息，便于稽查</summary>
+        private void ModifyPartialFiled<T>(T waitModifyEntity, Expression<Func<T, T>> updateFactory)
+        {
+            List<PropertyInfo> list = ((MemberInitExpression)updateFactory.Body).Bindings.Select(mb => mb.Member.Name)
+                .Select(propName => typeof(T).GetProperty(propName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)).ToList();
+
+            Func<T, T> func = updateFactory.Compile();
+
+            T applyObj = func(waitModifyEntity);
+
+            //深拷贝更新之前实体信息
+            //var copyObj = waitModifyEntity.Clone();
+
+            foreach (PropertyInfo prop in list)
+            {
+                object value = prop.GetValue(applyObj);
+                prop.SetValue(waitModifyEntity, value);
+
+                _dbContext.Entry(waitModifyEntity).Property(prop.Name).IsModified = true;
+            }
+
+
+        }
     }
 
     #endregion