Return a PDF as a file from a web API service

WebService.cs

		[HttpGet]
		public FileStreamResult Download()
		{
			var stream = System.IO.File.OpenRead(AppSettings.PdfFileName);
			return new FileStreamResult(stream, AppSettings.MimeType);
		}

		[HttpGet("open-pdf")]
		public IActionResult Get()
		{
			FileStream stream = GetFileBytesById(AppSettings.PdfFileName);
			if (stream == null)
				return NotFound();

			return File(stream, AppSettings.MimeType);
		}

		[HttpGet("download/{name}")]
		public FileStreamResult DownloadByNamec(string name)
		{
			var stream = GetFileBytesById(AppSettings.PdfFileName);

			return new FileStreamResult(stream, AppSettings.MimeType)
			{
				FileDownloadName = AppSettings.PdfFileName
			};
		}