public async Task <IActionResult> View(int id)
{
var certificate = await _certificateRetrievalService
.GetCertificateByIdAsync(id,
CertificateRetrievalOptions.ForRendering);
var html = await _certificateRenderer
.RenderToHtmlAsStringAsync(new CertificateViewModel(certificate));
return(Content(html, MediaTypeNames.Text.Html));
}
public async Task <IActionResult> Get(int id, [FromQuery] CertificateFormat?format = null)
{
var cert = await _certificateRetrievalService
.GetCertificateByIdAsync(id, CertificateRetrievalOptions.ForRendering);
format ??= GetCertificateFormatFromMediaType(Request.Headers[HeaderNames.Accept])
?? CertificateFormat.Json;
switch (format)
{
case CertificateFormat.Json:
return(Ok(new CertificateDto(cert)));
case CertificateFormat.Html:
var html = await _certificateRenderer
.RenderToHtmlAsStringAsync(new CertificateViewModel(cert));
return(Content(html, MediaTypeNames.Text.Html));
case CertificateFormat.Pdf:
var stream = await _certificateRenderer
.RenderToPdfAsStreamAsync(new CertificateViewModel(cert));
var memoryStream = new MemoryStream();
await stream.CopyToAsync(memoryStream);
return(File(memoryStream.ToArray(), MediaTypeNames.Application.Pdf));
default:
throw new InvalidOperationException($"Unsupported cert format: {format}");
}
}
public async Task <IActionResult> Preview(int id, CancellationToken cancellationToken)
{
var eventInfo =
await GetEventByIdAsync(id,
EventInfoRetrievalOptions.ForCertificateRendering,
cancellationToken);
var html = await _certificateRenderer
.RenderToHtmlAsStringAsync(new CertificateViewModel(eventInfo));
return(Content(html, MediaTypeNames.Text.Html));
}
