private async Task <byte[]> GetPDF(byte[] file, string id)
{
byte[] ret = null;
string baseUrl = _configuration["baseUrl"];
string inputFilename = @"wwwroot/pdf-template/cert.html";
string imgsrc = $"data:image/png;base64,{QR.GetPureBase64($"{baseUrl}/Contract/Certificate?id={id}")}";
HtmlDto dto = new HtmlDto()
{
html = System.Web.HttpUtility.HtmlEncode(
Encoding.UTF8.GetString(
System.IO.File.ReadAllBytes(inputFilename)))
.Replace("{certificateid}", id)
.Replace("{qrlink}", imgsrc),
footerPath = $"{baseUrl}/pdf-template/footer.html"
};
string jsonString = Newtonsoft.Json.JsonConvert.SerializeObject(dto);
string uri = _configuration["pdfApi"];
var content = new StringContent(jsonString, Encoding.UTF8, "application/json");
var response = await client.PostAsync($"{uri}", content).ConfigureAwait(false);
var file2 = await response.Content.ReadAsByteArrayAsync();
ret = Concat.DoConcat(file, file2);
return(ret);
}
public HttpResponseMessage GeneratePDF([FromBody] HtmlDto dto)
{
//string inputFilename = "cert-simple2.html";
//string outputFilename = "cert-simple2.pdf";
//string html = Encoding.UTF8.GetString(File.ReadAllBytes(inputFilename));
//byte[] pdf = new SimplePechkin(new GlobalConfig()).Convert(html);
//string htmlDecoded = HttpUtility.HtmlDecode(dto.html);
var pdfBuilder = Pdf.From(HttpUtility.HtmlDecode(dto.html));
// pdfBuilder = pdfBuilder.WithObjectSetting("header.htmlUrl", dto.footerPath);
if (!String.IsNullOrEmpty(dto.footerPath))
{
pdfBuilder = pdfBuilder.WithGlobalSetting("margin.top", "2cm")
.WithGlobalSetting("margin.bottom", "2cm")
//.WithObjectSetting("footer.center","THE FOOTER")
.WithObjectSetting("footer.htmlUrl", dto.footerPath);
}
var pdf = pdfBuilder.Content();
//HttpContent content = new StreamContent();
ByteArrayContent content = new ByteArrayContent(pdf);
content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/pdf");
content.Headers.Add("content-disposition", "attachment;filename=myFile.pdf");
return(new HttpResponseMessage()
{
StatusCode = HttpStatusCode.OK,
Content = content
});
}
