// POST: api/qrCode
public HttpResponseMessage Post([FromBody] qrCodeViewModel value)
{
if (value == null)
{
return(null);
}
JavaScriptSerializer js = new JavaScriptSerializer();
timeAttRealService service = new timeAttRealService();
HttpResponseMessage response = null;
Object result = null;
if (value.method == "QRCode")
{
var resultFile = service.exportFileQRCode(value);
HttpResponseMessage resultExport = null;
resultExport = Request.CreateResponse(HttpStatusCode.OK);
resultExport.Content = new ByteArrayContent(resultFile.FileContents);
resultExport.Content.Headers.ContentDisposition = new System.Net.Http.Headers.ContentDispositionHeaderValue("attachment");
resultExport.Content.Headers.ContentDisposition.FileName = resultFile.FileDownloadName;
return(resultExport);
}
string json = js.Serialize(result);
response = Request.CreateResponse(HttpStatusCode.OK);
response.Content = new StringContent(json, System.Text.Encoding.UTF8, "application/json");
return(response);
}
public FileContentResult exportFileQRCode(qrCodeViewModel value)
{
try
{
if (String.IsNullOrEmpty(value.user_id))
{
throw new Exception("Unauthorized Access");
}
var userId = JwtHelper.GetUserIdFromToken(value.user_id);
if (String.IsNullOrEmpty(userId))
{
throw new Exception("Unauthorized Access");
}
using (var context = new StandardCanEntities())
{
var fileName = "QRCode";
var qrCodeData = String.Format("{0},{1},{2},{3}", value.id, value.req_date, value.start_date, value.stop_date);
QRCodeGenerator _qrCode = new QRCodeGenerator();
QRCodeData _qrCodeData = _qrCode.CreateQrCode(qrCodeData, QRCodeGenerator.ECCLevel.Q);
QRCode qrCode = new QRCode(_qrCodeData);
Bitmap qrCodeImage = qrCode.GetGraphic(20);
var microsoftDateFormatSettings = new JsonSerializerSettings
{
DateParseHandling = DateParseHandling.None,
DateFormatHandling = DateFormatHandling.IsoDateFormat,
Formatting = Formatting.Indented,
};
Bitmap newBitmap;
PointF roomLocation = new PointF(70, 30);
PointF dateLocation = new PointF(70, 660);
PointF topicLocation = new PointF(70, 700);
using (Graphics graphics = Graphics.FromImage(qrCodeImage))
{
using (Font arialFont = new Font("Arial", 22, FontStyle.Bold))
{
graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
graphics.DrawString(value.room_name, arialFont, Brushes.Blue, roomLocation);
graphics.DrawString(value.req_date + " " + value.start_date + "-" + value.stop_date, arialFont, Brushes.Blue, dateLocation);
graphics.DrawString(value.topic, arialFont, Brushes.Blue, topicLocation);
}
}
newBitmap = new Bitmap(qrCodeImage);
byte[] fileBytes = BitmapToBytesCode(newBitmap);
FileContentResult result = new FileContentResult(fileBytes, "application/octet-stream");
result.FileDownloadName = fileName;
return(result);
}
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
