private PuppeteerPdfOptions GetPdfOptionsAsync(PdfOptions options)
{
var pdfOptions = new PuppeteerPdfOptions
{
MarginOptions = new MarginOptions
{
Top = options?.MarginTop ?? _config.MarginTop,
Right = options?.MarginRight ?? _config.MarginRight,
Bottom = options?.MarginBottom ?? _config.MarginBottom,
Left = options?.MarginLeft ?? _config.MarginLeft
},
PrintBackground = options?.PrintBackground ?? _config.PrintBackground
};
if (options?.Format != null)
{
pdfOptions.Format = PdfHelper.ParsePaperFormat(options.Format);
}
else
{
pdfOptions.Width = options?.PaperWidth ?? _config.PaperWidth;
pdfOptions.Height = options?.PaperHeight ?? _config.PaperHeight;
}
return(pdfOptions);
}
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, $@"Kunne ikke generere PDF av filen ""{inputData.File.FileName}""");
throw;
}
}
public async Task <PdfResult> GeneratePdfFromHtmlStringAsync(string htmlString, PdfOptions options)
{
try
{
var start = DateTime.Now;
var browser = await _browserProvider.GetBrowserAsync();
using var page = await browser.NewPageAsync();
await page.SetContentAsync(htmlString);
var pdfOptions = GetPdfOptionsAsync(options);
var pdfStream = await page.PdfStreamAsync(pdfOptions);
var fileName = await PdfHelper.CreateFileNameAsync(page);
_logger.LogInformation(@$ "Genererte PDF " "{fileName}" " ({Math.Round(pdfStream.Length / 1024f / 1024f, 2)} MB) på {Math.Round(DateTime.Now.Subtract(start).TotalSeconds, 2)} sek.");
return(new PdfResult
{
FileName = fileName,
Data = pdfStream
});
}
catch (Exception exception)
{
_logger.LogError(exception, "Kunne ikke generere PDF fra HTML.");
throw;
}
}
