public async Task <FileContentResult> BuildPDF(INodeServices nodeServices, PDFRequest rawdata)
{
JObject options = JObject.Parse(rawdata.options);
JSONResponse result = null;
// execute the Node.js component to generate a PDF
result = await nodeServices.InvokeAsync <JSONResponse>("./pdf.js", rawdata.html, options);
return(new FileContentResult(result.data, "application/pdf"));
}
public IActionResult Print()
{
var userData = HttpContext.Session.GetObjectFromJson <FarmData>("FarmData");
FileContentResult result = null;
//JSONResponse result = null;
var pdfHost = Environment.GetEnvironmentVariable("PDF_SERVICE_NAME");
//string pdfHost = Configuration["PDF_SERVICE_NAME"];
string targetUrl = pdfHost + "/api/PDF/BuildPDF";
ViewBag.Service = targetUrl;
// call the microservice
try
{
PDFRequest req = new PDFRequest();
HttpClient client = new HttpClient();
string rawdata = "<!DOCTYPE html><html><head><title></title></head><body><div style='width: 100%; background-color:lightgreen'>Section 1</div><br><div style='page -break-after:always; '></div><div style='width: 100%; background-color:lightgreen'>Section 2</div></body></html>";
req.html = rawdata;
string payload = JsonConvert.SerializeObject(req);
var request = new HttpRequestMessage(HttpMethod.Post, targetUrl);
request.Content = new StringContent(payload, Encoding.UTF8, "application/json");
request.Headers.Clear();
// transfer over the request headers.
foreach (var item in Request.Headers)
{
string key = item.Key;
string value = item.Value;
request.Headers.Add(key, value);
}
Task <HttpResponseMessage> responseTask = client.SendAsync(request);
responseTask.Wait();
HttpResponseMessage response = responseTask.Result;
ViewBag.StatusCode = response.StatusCode.ToString();
if (response.StatusCode == HttpStatusCode.OK) // success
{
var bytetask = response.Content.ReadAsByteArrayAsync();
bytetask.Wait();
result = new FileContentResult(bytetask.Result, "application/pdf");
}
}
catch (Exception e)
{
result = null;
}
return(result);
}
public async Task <FileContentResult> PrintReportAsync(string content, bool portrait)
{
string reportHeader = string.Empty;
FileContentResult result = null;
var pdfHost = Environment.GetEnvironmentVariable("PDF_SERVICE_NAME");
string targetUrl = pdfHost + "/api/PDF/BuildPDF";
PDF_Options options = new PDF_Options();
options.border = new PDF_Border();
options.header = new PDF_Header();
options.footer = new PDF_Footer();
options.type = "pdf";
options.quality = "75";
options.format = "letter";
options.orientation = (portrait) ? "portrait" : "landscape";
options.fontbase = "/usr/share/fonts/dejavu";
options.border.top = ".25in";
options.border.right = ".25in";
options.border.bottom = ".25in";
options.border.left = ".25in";
options.header.height = "20mm";
options.header.contents = "<div><span style=\"font-size:14px\">Farm Name: " + _ud.FarmDetails().farmName + "<br />" +
"Planning Year: " + _ud.FarmDetails().year + "</span></div><div style=\"float:right; vertical-align:top\">Printed: " + DateTime.Now.ToShortDateString() + "</div>";
options.footer.height = "15mm";
options.footer.contents = "<div><span style=\"color: #444;\">Page {{page}}</span>/<span>{{pages}}</span></div><div style=\"float:right\">Version " + _sd.GetStaticDataVersion() + "</div>";
// call the microservice
try
{
PDFRequest req = new PDFRequest();
HttpClient client = new HttpClient();
reportHeader = await RenderHeader();
string rawdata = "<!DOCTYPE html>" +
"<html>" +
reportHeader +
"<body>" +
//"<div style='display: table; width: 100%'>" +
//"<div style='display: table-row-group; width: 100%'>" +
content +
//"</div>" +
//"</div>" +
"</body></html>";
req.html = rawdata;
req.options = JsonConvert.SerializeObject(options);
req.options = req.options.Replace("fontbase", "base");
//FileContentResult res = await BuildPDF(nodeServices, req);
//return res;
string payload = JsonConvert.SerializeObject(req);
var request = new HttpRequestMessage(HttpMethod.Post, targetUrl);
request.Content = new StringContent(payload, Encoding.UTF8, "application/json");
request.Headers.Clear();
// transfer over the request headers.
foreach (var item in Request.Headers)
{
string key = item.Key;
string value = item.Value;
request.Headers.Add(key, value);
}
Task <HttpResponseMessage> responseTask = client.SendAsync(request);
responseTask.Wait();
HttpResponseMessage response = responseTask.Result;
ViewBag.StatusCode = response.StatusCode.ToString();
if (response.StatusCode == HttpStatusCode.OK) // success
{
var bytetask = response.Content.ReadAsByteArrayAsync();
bytetask.Wait();
result = new FileContentResult(bytetask.Result, "application/pdf");
}
else
{
string errorMsg = "Url: " + targetUrl + "\r\n" +
"Result: " + response.ToString();
result = new FileContentResult(Encoding.ASCII.GetBytes(errorMsg), "text/plain");
}
}
catch (Exception e)
{
string errorMsg = "Exception " + "\r\n" +
"Url: " + targetUrl + "\r\n" +
"Result: " + e.Message + "\r\n" +
"Result: " + e.InnerException.Message;
result = new FileContentResult(Encoding.ASCII.GetBytes(errorMsg), "text/plain");
}
return(result);
}
