/// <summary>
/// 删除文件的索引
/// </summary>
/// <param>文件标识符</param>
/// <param>人员权限</param>
/// <returns></returns>
public bool DeleteIndex(string fileId)
{
AbstractFileBase fileBase = new TextFileInfo();
fileBase.FileId = fileId;
IIndexManager indexManager = new IndexManagerFactory().Create();
return(indexManager.DeleteIndex(fileBase));
}
/// <summary>
/// 查询索引
/// </summary>
/// <param name="key">关键字</param>
/// <param>人员权限</param>
/// <returns></returns
public ResultSet SearchIndex(string key, int pageNum, string userHandle, string lastFileId, string nextFileId)
{
LibHandle handle = LibHandleCache.Default.GetCurrentHandle(userHandle) as LibHandle;
//页大小
int pageSize = 8;
IHightLighter hightLighter = new HightLighterFactory().Create();
IIndexManager indexManager = new IndexManagerFactory().Create();
Dictionary <string, string> dic = new Dictionary <string, string>();
dic.Add("content", key);
SearchResult result = null;
if (string.IsNullOrEmpty(lastFileId) && string.IsNullOrEmpty(nextFileId))//第一次查询
{
result = (SearchResult)indexManager.SearchIndex(dic, pageNum, pageSize, handle);
}
else if (string.IsNullOrEmpty(lastFileId))//上一页
{
result = (SearchResult)indexManager.SearchPrevIndex(dic, pageNum, pageSize, handle, nextFileId);
}
else if (string.IsNullOrEmpty(nextFileId))//下一页
{
result = (SearchResult)indexManager.SearchNextIndex(dic, pageNum, pageSize, handle, lastFileId);
}
ResultSet resultSet = new ResultSet();
resultSet.SearchTime = result.SearchTime;
resultSet.PageNum = pageNum;
resultSet.ResultsCount = result.TotalHits;
resultSet.PageCount = (resultSet.ResultsCount - 1) / pageSize + 1;
DirLinkAddress dirlink;
foreach (var item in result.Docs)
{
AbstractFileBase fileBase = hightLighter.InitHightLight(dic, item);
FileInfoItem info = new FileInfoItem()
{
FileId = fileBase.FileId,
Contents = fileBase.Content
};
dirlink = new DirLinkAddress(fileBase.FileId);
info.FileName = dirlink.DocName;
info.DirId = dirlink.DirID;
info.DirType = dirlink.DirType;
info.Path = dirlink.DirNameLink;
resultSet.FileInfoItems.Add(info);
}
if (resultSet.FileInfoItems.Count == 0)
{
return(null);
}
return(resultSet);
}
/// <summary>
/// 根据文件创建索引
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
//private bool CreateIndex(string fileName)
//{
// if (File.Exists(fileName))
// {
// LibDataAccess dataAccess = new LibDataAccess();
// FileInfo info = new FileInfo(fileName);
// AbstractFileBase fileBase = new TextFileInfo();
// #region 根据文件路径查找
// string sql = string.Format("select DOCID from DMDOCUMENT where SAVEPATH = {0}", LibStringBuilder.GetQuotString(fileName));
// fileBase.FileId = dataAccess.ExecuteScalar(sql).ToString();
// object ret = dataAccess.ExecuteScalar(string.Format("select ISFULLINDEX from DMDOCUMENT where DOCID = {0}", LibStringBuilder.GetQuotString(fileBase.FileId)));
// if (LibSysUtils.ToInt32(ret) == 1)
// {
// return true;
// }
// #endregion
// //fileBase.FileName = info.Name;
// //fileBase.FilePath = info.DirectoryName;
// //fileBase.UpLoadPersonId = "zhangsan";
// //fileBase.CreateTime = DateTime.Now.ToString();
// fileBase.Content = ReadContent(fileName, info.Extension.Trim());
// IIndexManager indexManager = new IndexManagerFactory().Create();
// return indexManager.CreateIndex(fileBase);
// }
// if (Directory.Exists(fileName))
// {
// foreach (var item in new DirectoryInfo(fileName).GetFiles())
// {
// CreateIndex(item.FullName);
// }
// foreach (var item in new DirectoryInfo(fileName).GetDirectories())
// {
// CreateIndex(item.FullName);
// }
// }
// return true;
//}
/// <summary>
/// 为文件添加索引
/// </summary>
/// <param>文件标识符</param>
/// <param>人员权限</param>
/// <returns></returns>
public bool AddIndex(string fileId)
{
AbstractFileBase fileBase = new TextFileInfo();
fileBase.FileId = fileId;
#region 根据文件ID查找文件路径
DirLinkAddress dirlink = new DirLinkAddress(fileId);
string fileName = dirlink.GetDocFullPath(-1);
#endregion
//fileBase.FileName = info.Name;
//fileBase.FilePath = info.DirectoryName;
//fileBase.UpLoadPersonId = "zhangsan";
//fileBase.CreateTime = DateTime.Now.ToString();
fileBase.Content = ReadContent(fileName, dirlink.DocType);
IIndexManager indexManager = new IndexManagerFactory().Create();
return(indexManager.CreateIndex(fileBase));
}
