/// <summary>
/// 更改相册封面
/// </summary>
/// <param name="_albumNo">相册编号</param>
/// <param name="_photoNo">封面照片编号</param>
/// <returns></returns>
public ManagerStateMsg ChangeTitleImg(string _albumNo, string _photoNo)
{
ManagerStateMsg msg = new ManagerStateMsg(false, "方法 ChangeTitleImg 执行出现错误！");
IObjectContainer db = DataHelper.Instance.GetDbObj(typeof(RootAlbum));
try
{
IObjectSet _result = db.Query(typeof(RootAlbum));
RootAlbum root = (RootAlbum)_result.Next();
if (root.SubAlbums != null && root.SubAlbums.Count > 0)
{
foreach (Album _album in root.SubAlbums)
{
if (_album.AlbumNO == _albumNo)
{
ChangeAlbumTitleImg(_album, _photoNo);//更新相册封面
db.Store(root);
db.Commit();
msg.MsgInfo = "相册首页更新成功！";
msg.Statevalue = true;
break;
}
}
}
if (msg.Statevalue)
{
}
else
{
msg.MsgInfo = "未找到符合条件的相册！";
}
}
catch (Exception ex)
{
msg.MsgInfo = ex.Message;
}
finally
{
db.Close();
}
return msg;
}
/// <summary>
/// 创建相册
/// </summary>
/// <param name="_albuminfo"></param>
/// <returns></returns>
public ManagerStateMsg SaveAlbum(Album _albuminfo)
{
bool albumIsExtbol = AlbumBolIsExt(_albuminfo.AlbumName);//相册是否已存在
ManagerStateMsg msg = new ManagerStateMsg(false, "");
if (!albumIsExtbol)
{
IObjectContainer db = DataHelper.Instance.GetDbObj(typeof(RootAlbum));
try
{
IObjectSet _result = db.Query(typeof(RootAlbum));
RootAlbum root = (RootAlbum)_result.Next();
if (root.SubAlbums != null && root.SubAlbums.Count > 0)
{
root.SubAlbums.Add(_albuminfo);
}
else
{
root.SubAlbums = new List<Album>();
root.SubAlbums.Add(_albuminfo);
}
db.Store(root);
db.Commit();
msg.ReturnValue = _albuminfo;
msg.Statevalue = true;
msg.MsgInfo = "保存成功";
}
catch (Exception ex)
{
}
finally
{
db.Close();
}
}
else
{
msg.MsgInfo = "同名相册已存在！";
}
return msg;
}
/// <summary>
/// 编辑相册信息
/// </summary>
/// <param name="_albuminfo">相册信息</param>
/// <returns></returns>
public ManagerStateMsg EditAlbum(Album _albuminfo)
{
ManagerStateMsg msg = new ManagerStateMsg(false, "方法 EditAlbum 执行出现错误！");
IObjectContainer db = DataHelper.Instance.GetDbObj(typeof(RootAlbum));
try
{
IObjectSet _result = db.Query(typeof(RootAlbum));
RootAlbum root = (RootAlbum)_result.Next();
if (root.SubAlbums != null && root.SubAlbums.Count > 0)
{
foreach (Album _album in root.SubAlbums)
{
if (_album.AlbumNO == _albuminfo.AlbumNO)
{
_album.AlbumName = _albuminfo.AlbumName;
_album.AlbumRemark = _albuminfo.AlbumRemark;
_album.UpdateDate = DateTime.Now;
db.Store(root);
db.Commit();
msg.MsgInfo = "相册信息更新成功！";
msg.Statevalue = true;
break;
}
}
}
if (msg.Statevalue)
{
}
else
{
msg.MsgInfo = "未找到符合条件的相册！";
}
}
catch (Exception ex)
{
msg.MsgInfo = ex.Message;
}
finally
{
db.Close();
}
return msg;
}
/// <summary>
/// 更改相册封面
/// </summary>
/// <param name="_albumNo">相册编号</param>
/// <param name="_photoNo">封面照片编号</param>
/// <returns></returns>
public ManagerStateMsg ChangeTitleImg(string _albumNo, string _photoNo)
{
ManagerStateMsg msg = new ManagerStateMsg(false, "方法 ChangeTitleImg 执行出现错误！");
try
{
PhotoManager manager = new PhotoManager();
PhotoInfo _photo = manager.GetPhotoInfoByNo(_photoNo);//获取照片信息
if (_photo!=null)
{
string strUpALLPhotoSQL = "update Photo set IsTitleImg=0 where AlbumNo=@AlbumNo";
SQLiteParameter[] photopars = new SQLiteParameter[1];
photopars[0] = new SQLiteParameter("@AlbumNo", DbType.String);
photopars[0].Value = _albumNo;
int uprowscount = SQLiteHelper.Instance.ExecuteNonQuery(strUpALLPhotoSQL, photopars);
photopars = null;
if (uprowscount > 0)
{
string strQuerystr = "update Album set AlbumTitleImg=@AlbumTitleImg where AlbumNo=@AlbumNo;update Photo set IsTitleImg=1 where PhotoNO=@photoNO";
SQLiteParameter[] pars = new SQLiteParameter[3];
pars[0] = new SQLiteParameter("@AlbumTitleImg", DbType.String);
pars[0].Value = _photo.PhotoMiniData;
pars[1] = new SQLiteParameter("@AlbumNo", DbType.String);
pars[1].Value = _albumNo;
pars[2] = new SQLiteParameter("@PhotoNO", DbType.String);
pars[2].Value = _photoNo;
uprowscount = SQLiteHelper.Instance.ExecuteNonQuery(strQuerystr, pars);
pars = null;
if (uprowscount > 0)
{
msg.Statevalue = true;
msg.MsgInfo = "更新成功！";
}
else
{
msg.MsgInfo = "更新失败！";
}
}
else
{
msg.MsgInfo = "恢复所有照片的首页状态失败！";
}
}
else
{
msg.MsgInfo = "未找到符合条件的照片信息！";
}
msg.Statevalue = true;
if (msg.Statevalue)
{
}
else
{
msg.MsgInfo = "未找到符合条件的相册！";
}
}
catch (Exception ex)
{
msg.MsgInfo = ex.Message;
}
return msg;
}
/// <summary>
/// 创建相册
/// </summary>
/// <param name="_albuminfo"></param>
/// <returns></returns>
public ManagerStateMsg SaveAlbum(Album _albuminfo)
{
bool albumIsExtbol = AlbumBolIsExt(_albuminfo.AlbumName);//相册是否已存在
ManagerStateMsg msg = new ManagerStateMsg(false, "");
if (!albumIsExtbol)
{
SQLiteParameter[] pars = null;
try
{
pars = new SQLiteParameter[7];
pars[0] = new SQLiteParameter("@AlbumNo", DbType.String);
pars[0].Value = _albuminfo.AlbumNO;
pars[1] = new SQLiteParameter("@AlbumName", DbType.String);
pars[1].Value = _albuminfo.AlbumName;
pars[2] = new SQLiteParameter("@AlbumRootPath", DbType.String);
pars[2].Value = _albuminfo.AlbumRootPath;
pars[3] = new SQLiteParameter("@AlbumRemark", DbType.String);
pars[3].Value = _albuminfo.AlbumRemark;
pars[4] = new SQLiteParameter("@AlbumTitleImg", DbType.String);
pars[4].Value = _albuminfo.AlbumTitleImg;
pars[5] = new SQLiteParameter("@CreateDate", DbType.String);
pars[5].Value = _albuminfo.CreateDate;
pars[6] = new SQLiteParameter("@UpdateDate", DbType.String);
pars[6].Value = _albuminfo.UpdateDate;
string strSQL = "insert into Album (AlbumNo,AlbumName,AlbumRootPath,AlbumRemark,AlbumTitleImg,CreateDate,UpdateDate) values (@AlbumNo,@AlbumName,@AlbumRootPath,@AlbumRemark,@AlbumTitleImg,@CreateDate,@UpdateDate)";
int _uprows=SQLiteHelper.Instance.ExecuteNonQuery(strSQL, pars);
if (_uprows > 0)
{
msg.ReturnValue = _albuminfo;
msg.Statevalue = true;
msg.MsgInfo = "保存成功";
}
else
{
msg.MsgInfo = "写入数据库失败！";
}
}
catch (Exception ex)
{
}
}
else
{
msg.MsgInfo = "同名相册已存在！";
}
return msg;
}
/// <summary>
/// 编辑相册信息
/// </summary>
/// <param name="_albuminfo">相册信息</param>
/// <returns></returns>
public ManagerStateMsg EditAlbum(Album _albuminfo)
{
ManagerStateMsg msg = new ManagerStateMsg(false, "方法 EditAlbum 执行出现错误！");
try
{
SQLiteParameter[] pars = null;
pars = new SQLiteParameter[4];
pars[0] = new SQLiteParameter("@AlbumNo", DbType.String);
pars[0].Value = _albuminfo.AlbumNO;
pars[1] = new SQLiteParameter("@AlbumName", DbType.String);
pars[1].Value = _albuminfo.AlbumName;
pars[2] = new SQLiteParameter("@AlbumRemark", DbType.String);
pars[2].Value = _albuminfo.AlbumRemark;
pars[3] = new SQLiteParameter("@UpdateDate", DbType.String);
pars[3].Value = _albuminfo.UpdateDate;
string strQuerySQL ="update Album set AlbumName=@AlbumName,AlbumRemark=@AlbumRemark,UpdateDate=@UpdateDate where AlbumNo=@AlbumNo";
int _upRowscount= SQLiteHelper.Instance.ExecuteNonQuery(strQuerySQL, pars);
if (_upRowscount>0)
{
msg.MsgInfo = "相册信息更新成功！";
msg.Statevalue = true;
}
else
{
msg.MsgInfo = "更新相册信息失败！";
}
}
catch (Exception ex)
{
msg.MsgInfo = ex.Message;
}
return msg;
}
/// <summary>
/// 删除相册
/// </summary>
/// <param name="_albumNo"></param>
/// <returns></returns>
public ManagerStateMsg DeleteAlbum(string _albumNo)
{
ManagerStateMsg msg = new ManagerStateMsg(false, "方法 DeleteAlbum 执行出现错误！");
try
{
string strQuerystr = "delete from Album where AlbumNo=@AlbumNo";
SQLiteParameter[] pars = new SQLiteParameter[1];
pars[0] = new SQLiteParameter("@AlbumNo", DbType.String);
pars[0].Value =_albumNo;
int uprowscount=SQLiteHelper.Instance.ExecuteNonQuery(strQuerystr,pars);
if(uprowscount>0)
{
msg.MsgInfo = "相册删除成功！";
msg.Statevalue = true;
}
else
{
msg.Statevalue = true;
msg.MsgInfo = "未找到符合条件的相册！";
}
}
catch (Exception ex)
{
msg.MsgInfo = ex.Message;
}
return msg;
}
