/// <summary>
/// 添加信息信息
/// </summary>
/// <param name="inputDtos">要添加的店铺信息DTO信息</param>
/// <returns>业务操作结果</returns>
public OperationResult AddAttrs(params AttrInputDto[] inputDtos)
{
OperationResult result = AttrRepository.Insert(inputDtos,
dto =>
{
if (CategoryRepository.CheckExists(c => c.Name == dto.Name))
{
throw new Exception("分类：{0}已经存在，不能添加".FormatWith(dto.Name));
}
},
(dto, entity) =>
{
if (dto.CategoryId.HasValue && dto.CategoryId.Value > 0)
{
Category category = CategoryRepository.GetByKey(dto.CategoryId.Value);
if (category == null)
{
throw new Exception("发布分类不存在");
}
category.Attrs.Add(entity);
entity.Category = category;
}
return(entity);
});
return(result);
}
/// <summary>
/// 更新信息信息
/// </summary>
/// <param name="inputDtos">包含更新信息的店铺信息DTO信息</param>
/// <returns>业务操作结果</returns>
public OperationResult EditAttrs(params AttrInputDto[] inputDtos)
{
OperationResult result = AttrRepository.Update(inputDtos,
(dto, entity) =>
{
},
(dto, entity) =>
{
return(entity);
});
if (result.ResultType == OperationResultType.Success && inputDtos.Count() == 1)
{
Attr attr = AttrRepository.GetByKey(inputDtos[0].Id);
if (attr != null)
{
result.Data = attr;
}
}
return(result);
}
/// <summary>
/// 检查信息信息是否存在
/// </summary>
/// <param name="predicate">检查谓语表达式</param>
/// <param name="id">更新的信息编号</param>
/// <returns>信息是否存在</returns>
public bool CheckAttrExists(Expression <Func <Attr, bool> > predicate, int id = 0)
{
return(AttrRepository.CheckExists(predicate, id));
}
/// <summary>
/// 删除店铺信息信息
/// </summary>
/// <param name="ids">要删除的店铺信息编号</param>
/// <returns>业务操作结果</returns>
public OperationResult DeleteAttrs(params int[] ids)
{
return(AttrRepository.Delete(ids));
}
