public IEnumerable <FileManage> GetCompressions()
 {
     try
     {
         string     path = environment.ContentRootPath + "\\Data\\compressions_history.json";
         FileManage fm   = new FileManage();
         return(fm.GetAllCompressions(path));
     }
     catch (Exception)
     {
         return(null);
     }
 }