public string SaveFolder(Folder <string> folder)
{
if (folder.ID != null)
{
//Create with id
var savedfolder = ProviderInfo.CreateFolder(folder.ID);
return(ProviderInfo.ToFolder(savedfolder).ID);
}
if (folder.ParentFolderID != null)
{
var parentFolder = ProviderInfo.GetFolderById(folder.ParentFolderID);
folder.Title = GetAvailableTitle(folder.Title, parentFolder, IsExist);
var newFolder = ProviderInfo.CreateFolder(parentFolder.ServerRelativeUrl + "/" + folder.Title);
return(ProviderInfo.ToFolder(newFolder).ID);
}
return(null);
}