public FileStreamResult Weight(int timeFrame = 0)
{
var weightChart = new Chart
{
Width = 600,
Height = 300
};
var weights = _repository.GetWeightsByUser(User.Identity.Name);
if (timeFrame > 0)
{
timeFrame = timeFrame * -1;
var pastDate = DateTime.Today.AddMonths(timeFrame);
weights = weights.Where(w => w.WeightDate > pastDate);
}
weights = weights.OrderBy(w => w.WeightDate);
var builder = new DailyWeightChartBuilder(weights.ToList(), weightChart);
builder.BuildChart();
// Save the chart to a MemoryStream
var imgStream = new MemoryStream();
weightChart.SaveImage(imgStream, ChartImageFormat.Png);
imgStream.Seek(0, SeekOrigin.Begin);
// Return the contents of the Stream to the client
return(File(imgStream, "image/png"));
}
public IEnumerable <DailyWeight> Get()
{
if (User.Identity.IsAuthenticated)
{
IQueryable <DailyWeight> results = _repository.GetWeightsByUser(User.Identity.Name);
return(results.OrderByDescending(t => t.WeightDate).Take(50).ToList());
}
return(new DailyWeight[0]);
}