/// <summary>
/// Deletes the file binary from the file system.
/// </summary>
/// <param name="fileId">MetaFile ID</param>
/// <param name="name">Returning the metafile name</param>
protected bool DeleteFromFileSystem(int fileId, ref string name)
{
// Delete the file in file system
MetaFileInfo mi = MetaFileInfoProvider.GetMetaFileInfo(fileId);
if (mi != null)
{
name = mi.MetaFileName;
// Ensure the binary column first (check if exists)
DataSet ds = MetaFileInfoProvider.GetMetaFiles("MetaFileID = " + fileId, null, "CASE WHEN MetaFileBinary IS NULL THEN 0 ELSE 1 END AS HasBinary", -1);
if (!DataHelper.DataSourceIsEmpty(ds))
{
bool hasBinary = ValidationHelper.GetBoolean(ds.Tables[0].Rows[0][0], false);
if (!hasBinary)
{
// Copy the binary data to database
mi.MetaFileBinary = MetaFileInfoProvider.GetFile(mi, SiteInfoProvider.GetSiteName(mi.MetaFileSiteID));
mi.Generalized.UpdateData();
}
// Delete the file from the disk
MetaFileInfoProvider.DeleteFile(SiteInfoProvider.GetSiteName(mi.MetaFileSiteID), mi.MetaFileGUID.ToString(), true, false);
return(true);
}
}
return(false);
}
