private static async Task <string> CreateImageHtmlAsync(PdfInputData inputData)
{
var template = await TemplatingHelper.GetTemplateAsync("image.html");
var parameters = new Dictionary <string, string>()
{
{ "mimeType", inputData.File.ContentType },
{ "imageData", await ConvertToBase64StringAsync(inputData.File) }
};
return(TemplatingHelper.FormatHtml(template, parameters));
}
public async Task <PdfResult> GeneratePdfFromImageAsync(PdfInputData inputData, PdfOptions options)
{
try
{
var startTime = DateTime.Now;
var content = await CreateImageHtmlAsync(inputData);
var browser = await _browserProvider.GetBrowserAsync();
using var page = await browser.NewPageAsync();
await page.SetContentAsync(content);
var pdfOptions = GetPdfOptionsAsync(options);
pdfOptions.Landscape = await ImageHelper.IsLandscapeAsync(page);
await ImageHelper.SetImageSizeAsync(page, pdfOptions);
if (inputData.Title != null)
{
await SetImageHeaderAsync(inputData.Title, pdfOptions);
}
var pdfStream = await page.PdfStreamAsync(pdfOptions);
var fileName = $"{Path.GetFileNameWithoutExtension(inputData.File.FileName)}.pdf";
_logger.LogInformation($@"Genererte PDF ""{fileName}"" ({Math.Round(pdfStream.Length / 1024f / 1024f, 2)} MB) av filen ""{inputData.File.FileName}"" på {Math.Round(DateTime.Now.Subtract(startTime).TotalSeconds, 2)} sek.");
return(new PdfResult
{
FileName = fileName,
Data = pdfStream,
});
}
catch (Exception exception)
{
_logger.LogError(exception, $@"Kunne ikke generere PDF av filen ""{inputData.File.FileName}""");
throw;
}
}