[HttpGet("{filename}")] //Get function initialised by passing a string filename as an argument from frontend via angular4.
 public Task DownloadFromS3(string filename)
 {
     Console.WriteLine("Reached get by name");
     return(_service.DownloadFromS3(filename));
 }
 public Task <bool> DownloadFromS3(string filename)
 {
     return(_service.DownloadFromS3(filename));
 }