public async Task <ExecuteResult> Delete(TagViewModel viewModel)
{
ExecuteResult result = new ExecuteResult();
//检查字段
if (viewModel.CheckField(ExecuteType.Delete, _unitOfWork) is ExecuteResult checkResult && !checkResult.IsSucceed)
{
return(checkResult);
}
_unitOfWork.GetRepository <Tag>().Delete(viewModel.Id);
await _unitOfWork.SaveChangesAsync();//提交
return(result);
}
public async Task <ExecuteResult> Update(TagViewModel viewModel)
{
ExecuteResult result = new ExecuteResult();
//检查字段
if (viewModel.CheckField(ExecuteType.Update, _unitOfWork) is ExecuteResult checkResult && !checkResult.IsSucceed)
{
return(checkResult);
}
//从数据库中取出该记录
var row = await _unitOfWork.GetRepository <Tag>().FindAsync(viewModel.Id);//在viewModel.CheckField中已经获取了一次用于检查，所以此处不会重复再从数据库取一次，有缓存
//修改对应的值
row.TagName = viewModel.TagName;
row.DisplayName = viewModel.DisplayName;
row.Description = viewModel.Description;
row.Modifier = 1219490056771866624;//由于暂时还没有做登录，所以拿不到登录者信息，先随便写一个后面再完善
row.ModifyTime = DateTime.Now;
_unitOfWork.GetRepository <Tag>().Update(row);
await _unitOfWork.SaveChangesAsync();//提交
return(result);
}
public async Task <ExecuteResult <Tag> > Create(TagViewModel viewModel)
{
ExecuteResult <Tag> result = new ExecuteResult <Tag>();
//检查字段
if (viewModel.CheckField(ExecuteType.Create, _unitOfWork) is ExecuteResult checkResult && !checkResult.IsSucceed)
{
return(result.SetFailMessage(checkResult.Message));
}
using (var tran = _unitOfWork.BeginTransaction())//开启一个事务
{
Tag newRow = _mapper.Map <Tag>(viewModel);
newRow.Id = _idWorker.NextId(); //获取一个雪花Id
newRow.Creator = _claimsAccessor.UserId; //由于暂时还没有做登录，所以拿不到登录者信息，先随便写一个后面再完善
newRow.CreateTime = DateTime.Now;
_unitOfWork.GetRepository <Tag>().Insert(newRow);
await _unitOfWork.SaveChangesAsync();
await tran.CommitAsync(); //提交事务
result.SetData(newRow); //添加成功，把新的实体返回回去
}
return(result);
}