public async Task <ActionResult <List <Chart> > > Post([FromBody] SamplingParameters query)
{
Dictionary <string, string> currencies = new Dictionary <string, string>
{
{ "Доллар США", "R01235" },
{ "Евро", "R01239" }
};
Task[] tasks = new Task[2];
ValCurs valCurs1 = null;
ValCurs valCurs2 = null;
tasks[0] = Task.Factory.StartNew(
() => valCurs1 = _requestToCbr
.GetCurs(query.DateBegin, query.DateEnd, currencies["Доллар США"]));
tasks[1] = Task.Factory.StartNew(
() => valCurs2 = _requestToCbr
.GetCurs(query.DateBegin, query.DateEnd, currencies["Евро"]));
List <Chart> charts = new List <Chart>();
await Task.Factory.ContinueWhenAll(tasks, completedTasks =>
{
var minVal = valCurs1.Record == null || valCurs2.Record == null
? "50"
: valCurs1.Record.Concat(valCurs2.Record).Select(valCursRecord => valCursRecord.Value).Min();
charts.Add(_chartFactory.GetChart(valCurs1, minVal, currencies.ElementAt(0).Key));
charts.Add(_chartFactory.GetChart(valCurs2, minVal, currencies.ElementAt(1).Key));
});
return(new ObjectResult(charts));
}
public IActionResult Index(string stockSymbol)
{
if (!PriceRepository.CheckStockSymbolExists(stockSymbol))
{
ViewBag.ErrorMessage = "Stock symbol not found!";
}
else
{
DateTime start = new DateTime(2019, 1, 8);
DateTime end = new DateTime(2019, 10, 10);
Chart chart = ChartFactory.GetChart(stockSymbol, start, end, ChartType.Line, PriceType.Close);
ViewBag.Labels = JsonConvert.SerializeObject(chart.XLabels);
ViewBag.Data = JsonConvert.SerializeObject(chart.YValues);
ViewBag.Title = chart.Title;
ViewBag.YAxisLabel = "$";
}
ViewBag.StockSymbol = stockSymbol.ToUpper();
return(View());
}