/// <summary>
/// Get currency information
/// </summary>
/// <param name="currencyCollectionModel"><see cref="CurrencyCollectionRequest"/></param>
/// <returns>returns collection of <see cref="CurrencyResultResponse"/> items</returns>
public async Task <IEnumerable <CurrencyResultResponse> > GetCurrencyResultsAsync(CurrencyCollectionRequest currencyCollectionModel)
{
var currencyResult = new List <CurrencyResultResponse>();
var currencyModel = new CurrencyModel();
_dateChecker.ValidateDate(currencyCollectionModel.StartDate, currencyCollectionModel.EndDate);
(DateTime StartDate, DateTime EndDate)dateItems = _dateChecker.SetCorrectDate(currencyCollectionModel.StartDate, currencyCollectionModel.EndDate);
currencyModel.StartDate = dateItems.StartDate;
currencyModel.EndDate = dateItems.EndDate;
foreach (KeyValuePair <string, string> currencyCode in currencyCollectionModel.CurrencyCodes)
{
currencyModel.CurrencyBeingMeasured = currencyCode.Key;
currencyModel.CurrencyMatched = currencyCode.Value;
List <CurrencyResultResponse> currencyResults = _cacheDatabase.GetAsync(currencyModel).Select(c => new CurrencyResultResponse
{
CurrencyBeingMeasured = c.Currency.CurrencyBeingMeasured,
CurrencyMatched = c.Currency.CurrencyMatched,
CurrencyValue = c.Value,
DailyDataOfCurrency = c.DailyDataOfCurrency
}).ToList();
if (currencyResults.Count == 0)
{
var xmlBody = await _currencyGetterService.FetchDataAsync(currencyModel);
currencyResults = _xmlReader.GetCurrencyResults(currencyModel, xmlBody).ToList();
foreach (CurrencyResultResponse c in currencyResults)
{
await _cacheDatabase.SaveAsync(c);
}
}
currencyResult.AddRange(currencyResults);
}
return(currencyResult);
}
