/// <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; }