/// <summary>
/// 保存Label信息(新增/更新)
/// </summary>
/// <param name="updateForeignKey">更新时是否更新外键信息</param>
/// <param name="dtos">要保存的LabelDto信息</param>
/// <returns>业务操作集合</returns>
public async Task <OperationResult> SaveLabels(bool updateForeignKey = false, params LabelDto[] dtos)
{
try
{
dtos.CheckNotNull("dtos");
var addDtos = dtos.Where(p => p.Id == 0).ToArray();
var updateDtos = dtos.Where(p => p.Id != 0).ToArray();
LabelRepo.UnitOfWork.TransactionEnabled = true;
Action <LabelDto> checkAction = null;
Func <LabelDto, Label, Label> updateFunc = null;
if (addDtos.Length > 0)
{
LabelRepo.Insert(addDtos, checkAction, updateFunc);
}
if (updateDtos.Length > 0)
{
LabelRepo.Update(updateDtos, checkAction, updateFunc);
}
await LabelRepo.UnitOfWork.SaveChangesAsync();
return(new OperationResult(OperationResultType.Success, "保存成功"));
}
catch (Exception e)
{
return(new OperationResult(OperationResultType.Error, e.Message));
}
}
/// <summary>
/// 删除Label信息
/// </summary>
/// <param name="ids">要删除的Id编号</param>
/// <returns>业务操作结果</returns>
public async Task <OperationResult> DeleteLabels(params int[] ids)
{
ids.CheckNotNull("ids");
await LabelRepo.RecycleAsync(p => ids.Contains(p.Id));
return(new OperationResult(OperationResultType.Success, "删除成功"));
}
/// <summary>
/// 保存用户设置标签
/// </summary>
/// <param name="userId">用户ID</param>
/// <param name="ids">用户设置的标签ID</param>
/// <returns></returns>
public OperationResult SaveLabels(int userId, int[] ids)
{
ids.CheckNotNull("ids");
var user = UserInfoRepo.GetByKey(userId);
if (user == null)
{
return(BodeResult.ValidError("用户不存在"));
}
user.Labels = LabelRepo.GetByPredicate(m => ids.Contains(m.Id)).ToList();
return(UserInfoRepo.Update(user) == 0 ? BodeResult.NoChanged() : BodeResult.Success());
}
