private static void Write(IReadOnlyList <DataPoint> points, ChartWriter.OutputFormat format, string file)
{
var writer = new ChartWriter("template.html");
var stream = writer.Stream(points, format);
File.Delete(file);
stream.CopyTo(File.OpenWrite(file));
}
private static IHttpActionResult WrapStream(Stream stream, ChartWriter.OutputFormat parsedFormat)
{
var httpResponseMessage = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new StreamContent(stream)
};
httpResponseMessage.Content.Headers.ContentType = new MediaTypeHeaderValue(GetContentType(parsedFormat));
return(new ResponseMessageResult(httpResponseMessage));
}
private static string GetContentType(ChartWriter.OutputFormat format)
{
switch (format)
{
case ChartWriter.OutputFormat.Svg:
return("image/svg+xml");
case ChartWriter.OutputFormat.Html:
return("text/html");
case ChartWriter.OutputFormat.Pdf:
return("application/pdf");
default:
throw new ArgumentOutOfRangeException("format", format, null);
}
}
