public async Task <GetForeignExchangeRateResponse> Handle(GetForeignExchangeRateRequest request, CancellationToken cancellationToken)
{
var response = new GetForeignExchangeRateResponse();
var publicationDate = _publicationDateService.GetPublicationDate(request.Date);
string cacheKey = _foreignExchangeRatesService.GetCacheKey(request.Base, request.Date, publicationDate);
var dateAsInt = Convert.ToInt32(request.Date);
var foreignExchangeRates = await _cachingService.GetOrCreateAsync
(
cacheKey,
() => {
return(_unitOfWork.ForeignExchangeRate
.GetWhereAsync(x => x.BaseCurrency == request.Base && x.Date == dateAsInt && x.PublicationDate == publicationDate));
},
AppConstants.CacheDurationInHourForeignExchangeRatesOfCurrency
);
if (ListExtensions.IsNullOrEmpty(foreignExchangeRates))
{
foreignExchangeRates = await _foreignExchangeRatesService.GetForeignExchangeRateModels(request.Base, request.Date);
var foreignExchangeRatesToDelete = await _unitOfWork.ForeignExchangeRate.GetWhereAsync(x => x.BaseCurrency == request.Base && x.Date == dateAsInt && x.PublicationDate == publicationDate);
await _unitOfWork.ForeignExchangeRate.BulkSaveAsync(foreignExchangeRates, foreignExchangeRatesToDelete);
if (!ListExtensions.IsNullOrEmpty(foreignExchangeRates) || !ListExtensions.IsNullOrEmpty(foreignExchangeRatesToDelete))
{
await _unitOfWork.CompleteAsync();
}
await _cachingService.SetAsync(cacheKey, foreignExchangeRates);
}
if (ListExtensions.IsNullOrEmpty(foreignExchangeRates))
{
foreignExchangeRates = new List <ForeignExchangeRateModel>();
}
response.Data = _foreignExchangeRatesService.ToInverseRatesDto(request.Base, foreignExchangeRates);
return(response);
}
