//private DateTime GetDateTimeNow()
//{
// using (var resolver = Bootstrapper.Instance.IocManager.GetResolver())
// {
// var dateTimeProvider = resolver.Resolve<IDateTimeProvider>();
// return dateTimeProvider.GetNow();
// }
//}
public DbChangeResult SaveChage()
{
var entrys = _dbContext.ChangeTracker.Entries();
bool changeFlag = false;//默认没有更改
List <ValidationResult> validationResults = new List <ValidationResult>();
foreach (var item in entrys)
{
if (item.State != EntityState.Unchanged)
{
changeFlag = true;
if (item.Entity is IUpdateTimeField)
{
var updateTimeField = item.Entity as IUpdateTimeField;
//GetDateTimeNow();
updateTimeField.UpdateTime = DateTime.Now;
}
}
var validateList = ValidatorHelper.GetValidationResult(item.Entity);
if (validateList != null && validateList.Count > 0)
{
validationResults.AddRange(validateList);
}
}
if (!changeFlag)
{
return(new DbChangeResult(true));
}
if (validationResults.Count > 0)
{
return(new DbChangeResult(0, false, validationResults.Select(m => new InvalidateException(m))));
}
try
{
int changeNum = _dbContext.SaveChanges();
if (_dbChangeEventHandler.Disable)
{
if (changeNum > 0)
{
foreach (var item in entrys)
{
switch (item.State)
{
case EntityState.Deleted:
_dbChangeEventHandler.OnEntityDeleted(item.Entity);
break;
case EntityState.Modified:
_dbChangeEventHandler.OnEntityModified(item.Entity);
break;
case EntityState.Added:
_dbChangeEventHandler.OnEntityAdded(item.Entity);
break;
case EntityState.Unchanged:
case EntityState.Detached:
default:
break;
}
}
}
}
return(new DbChangeResult(changeNum, changeNum > 0));
}
catch (Exception ex)
{
_logger.LogWarning(ex, ex.Message);
return(new DbChangeResult(0, false, new List <Exception>()
{
ex
}));
}
}