public async Task <IActionResult> Index()
{
// Get data for 7 days prior
var recentReadings = await dbService.GetLatestReadings();
var locationChartList = new List <LocationChartData>();
var locationGroups = recentReadings.GroupBy(i => i.Location).ToList();
locationGroups.ForEach(group =>
{
var location = group.Select(i => i).FirstOrDefault()?.Location;
var chartList = new List <ChartData>
{
GetChartData(group.ToList(), ReadingType.NO2, location),
GetChartData(group.ToList(), ReadingType.Fine, location),
GetChartData(group.ToList(), ReadingType.Coarse, location)
};
locationChartList.Add(new LocationChartData()
{
Location = location, Charts = chartList
});
});
return(View(locationChartList));
}