/// <summary>
/// 删除数据
/// </summary>
/// <param name="folder">数据实体</param>
public void Delete(int id)
{
FolderEntity entity = FolderDA.GetById(id);
if (entity == null)
{
throw new BusinessException("数据不存在无法删除");
}
bool hasChildren = this.ListByParentId(entity.Id).Any();
if (hasChildren)
{
throw new BusinessException(string.Format("{0}目录下存在子目录，不允许删除该目录", entity.Name));
}
bool hasDocument = DocumentBasisService.ListByFolderId(entity.Id, null).Any();
if (hasDocument)
{
throw new BusinessException(string.Format("{0}目录下存在文件，不允许删除该目录", entity.Name));
}
FolderDA.Delete(new FolderEntity()
{
Id = entity.Id, IsDeleted = DeletedEnums.Deleted
});
}
/// <summary>
/// 更新数据
/// </summary>
/// <param name="folder">数据实体</param>
public void Update(FolderVO folder)
{
// check
FolderEntity entity = folder.ToFolderEntity();
this.CheckEntity(entity);
FolderDA.Update(entity);
}
/// <summary>
/// 插入数据
/// </summary>
/// <param name="folder">数据实体</param>
public void Insert(FolderVO folder)
{
FolderEntity entity = folder.ToFolderEntity();
this.CheckEntity(entity);
if (!entity.ParentId.HasValue)
{
throw new BusinessException("父节点Id不允许为空");
}
else if (CheckParentIsDeleted(entity.ParentId.Value))
{
throw new BusinessException("父节点已被删除,请重新刷新页面进行操作");
}
FolderDA.Insert(entity);
}
public Folder GetFirstParent(IConnectionHandler connectionHandler, bool isexternal)
{
var da = new FolderDA(connectionHandler);
return(da.GetFirstParent(isexternal));
}
public IEnumerable <Folder> GetParents(IConnectionHandler connectionHandler, bool isexternal)
{
var da = new FolderDA(connectionHandler);
return(da.GetParents(isexternal));
}
/// <summary>
/// 查询目录列表
/// </summary>
/// <returns>目录数据列表</returns>
public List <FolderVO> List()
{
return(FolderDA.List().Select(p => p.ToFolderVo()).ToList());
}
/// <summary>
/// 根据Id获取目录数据
/// </summary>
/// <param name="id">id</param>
/// <returns>返回目录数据</returns>
public FolderVO GetById(int id)
{
return(FolderDA.GetById(id).ToFolderVo());
}
/// <summary>
/// 检查父节点是否被删除
/// </summary>
/// <param name="parentId">父节点id</param>
/// <returns>true/false</returns>
public bool CheckParentIsDeleted(int parentId)
{
return(FolderDA.GetById(parentId) == null);
}
/// <summary>
/// 根据父级ID目录数据
/// </summary>
/// <returns>目录数据列表</returns>
public List <FolderVO> ListByParentId(int?parentId)
{
return(FolderDA.ListByParentId(parentId).Select(p => p.ToFolderVo()).ToList());
}
