public Result <int> Create(AssetCate cate, IAppUser user)
{
try
{
var error = Validate(cate);
if (!string.IsNullOrWhiteSpace(error))
{
return(ResultUtil.Do(ResultCodes.验证失败, 0, error));
}
cate.BeforeCreate(user);
var id = _db.Create(cate);
if (id > 0)
{
AssetCateUtil.Clear();
return(ResultUtil.Success(id));
}
return(ResultUtil.Do(ResultCodes.数据库操作失败, 0, "数据写入失败"));
}
catch (Exception ex)
{
return(ResultUtil.Exception(ex, 0));
}
}
public Result Delete(int id, IAppUser user)
{
try
{
var entity = _db.Load <AssetCate>(id);
if (entity == null)
{
return(ResultUtil.Do(ResultCodes.数据不存在, "请求的数据不存在"));
}
var childrenCount = _db.GetCount <AssetCate>(MySearchUtil.New()
.AndEqual("ParentId", id)
.AndEqual("IsDel", false));
if (childrenCount > 0)
{
return(ResultUtil.Do(ResultCodes.验证失败, "下属类别不为空，禁止删除"));
}
var assetsCount = _db.GetCount <Asset>(MySearchUtil.New()
.AndEqual("AssetCateId", id)
.AndEqual("IsDel", false));
if (assetsCount > 0)
{
return(ResultUtil.Do(ResultCodes.验证失败, "下属资产不为空，禁止删除"));
}
var row = _db.Remove <AssetCate>(id);
if (row > 0)
{
AssetCateUtil.Clear();
return(ResultUtil.Success());
}
return(ResultUtil.Do(ResultCodes.数据库操作失败, "数据库写入失败"));
}
catch (Exception ex)
{
return(ResultUtil.Exception(ex));
}
}
public Result <int> Update(AssetCate cate, IAppUser user)
{
try
{
var error = Validate(cate);
if (!string.IsNullOrWhiteSpace(error))
{
return(ResultUtil.Do(ResultCodes.验证失败, 0, error));
}
if (cate.ParentId == cate.Id)
{
return(ResultUtil.Do(ResultCodes.验证失败, 0, "不能将自身设置为上级"));
}
var children = AssetCateUtil.GetSelfAndChildrenIds(cate.Id);
if (children.Contains(cate.ParentId))
{
return(ResultUtil.Do(ResultCodes.验证失败, 0, "不能将上级分类指定为其下属"));
}
cate.BeforeUpdate(user);
var row = _db.Update(cate);
if (row > 0)
{
AssetCateUtil.Clear();
return(ResultUtil.Success(cate.Id));
}
return(ResultUtil.Do(ResultCodes.数据库操作失败, 0, "数据写入失败"));
}
catch (Exception ex)
{
return(ResultUtil.Exception(ex, 0));
}
}