public async Task <IActionResult> GetAverageCurrencyRateForDate([FromBody] ExRateFinderModel model)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
ExchangeRatesView ratesView = null;
int count = ratesService.GetAPIsCallsCount();
if (count >= 999)
{
return(Ok(null));
}
if (model.Dated > DateTime.Now)
{
ratesView = await ratesService.GetCurrencyRatesForDate(DateTime.Now);
}
else
{
ratesView = await ratesService.GetCurrencyRatesForDate(model.Dated);
}
if (ratesView.Rates == null)
{
string apiKey = ratesService.GetAPIKeyForOpenExchange();
ratesView = await ratesHttpService.GetRatesAsync(apiKey);
if (ratesView.Rates != null)
{
await ratesService.SaveCurrencyRatesAsync(ratesView.Rates, DateTime.Now);
}
}
var rates = await ratesService.GetAverageCurrencyRatesForDate(model.Dated);
return(Ok(rates));
}