AWS LambdaとDioDocsでExcelやPDFファイルを出力する（2）

public async Task<APIGatewayProxyResponse> FunctionHandler(APIGatewayProxyRequest input, ILambdaContext context)

public async Task<APIGatewayProxyResponse> FunctionHandler(APIGatewayProxyRequest input, ILambdaContext context)
{
    APIGatewayProxyResponse response;

    try
    {
        // クエリ文字列を取得
        string queryString;
        input.QueryStringParameters.TryGetValue("name", out queryString);

        // ワークシートに追加するテキスト
        string Message = string.IsNullOrEmpty(queryString)
            ? "Hello, World!!"
            : $"Hello, {queryString}!!";

        //Workbook.SetLicenseKey("");

        Workbook workbook = new Workbook();
        workbook.Worksheets[0].Range["A1"].Value = Message;

        using (var ms = new MemoryStream())
        {
            workbook.Save(ms, SaveFileFormat.Xlsx);

            // S3にアップロード
            AmazonS3Client client = new AmazonS3Client(RegionEndpoint.APNortheast1);
            var request = new PutObjectRequest
            {
                BucketName = "diodocs-export",
                Key = "Result.xlsx",
                InputStream = ms
            };

            await client.PutObjectAsync(request);
        }

        response = new APIGatewayProxyResponse
        {
            StatusCode = (int)HttpStatusCode.OK,
            Body = "ファイルが保存されました。",
            Headers = new Dictionary<string, string> {
                { "Content-Type", "text/plain; charset=utf-8" }
            }
        };
    }
    catch (Exception e)
    {
        response = new APIGatewayProxyResponse
        {
            StatusCode = (int)HttpStatusCode.InternalServerError,
            Body = e.Message,
            Headers = new Dictionary<string, string> {
                { "Content-Type", "text/plain" }
            }
        };
    }

    return response;
}

public async Task<APIGatewayProxyResponse> FunctionHandler(APIGatewayProxyRequest input, ILambdaContext context)
{
    APIGatewayProxyResponse response;

    try
    {
        // クエリ文字列を取得
        string queryString;
        input.QueryStringParameters.TryGetValue("name", out queryString);

        // ドキュメントに追加するテキスト
        string Message = string.IsNullOrEmpty(queryString)
            ? "Hello, World!!"
            : $"Hello, {queryString}!!";

        //GcPdfDocument.SetLicenseKey("");

        GcPdfDocument doc = new GcPdfDocument();
        GcPdfGraphics g = doc.NewPage().Graphics;

        g.DrawString(Message,
            new TextFormat() { Font = StandardFonts.Helvetica, FontSize = 12 },
            new PointF(72, 72));

        using (var ms = new MemoryStream())
        {
            doc.Save(ms, false);

            // S3にアップロード
            AmazonS3Client client = new AmazonS3Client(RegionEndpoint.APNortheast1);
            var request = new PutObjectRequest
            {
                BucketName = "diodocs-export",
                Key = "Result.pdf",
                InputStream = ms
            };

            await client.PutObjectAsync(request);
        }

        response = new APIGatewayProxyResponse
        {
            StatusCode = (int)HttpStatusCode.OK,
            Body = "ファイルが保存されました。",
            Headers = new Dictionary<string, string> {
                { "Content-Type", "text/plain; charset=utf-8" }
            }
        };
    }
    catch (Exception e)
    {
        response = new APIGatewayProxyResponse
        {
            StatusCode = (int)HttpStatusCode.InternalServerError,
            Body = e.Message,
            Headers = new Dictionary<string, string> {
                { "Content-Type", "text/plain" }
            }
        };
    }

    return response;
}