public async Task <(bool Success, string Error, decimal?Price)> FetchMetalPriceAsync(Guid metalId, Guid?karatId, DateTime?date, string transactionAction)
{
var success = false;
string error = "";
decimal?price = 0;
try
{
if (date.HasValue)
{
var priceInfo = await _priceRepository.FetchPriceByMetalIdKaratIdAsync(metalId, karatId, date);
if (priceInfo != null)
{
if (transactionAction == Constants.TransactionAction.Purchase)
{
price = priceInfo.BuyPrice;
}
else if (transactionAction == Constants.TransactionAction.Sell)
{
price = priceInfo.SellPrice;
}
else if (transactionAction == Constants.TransactionAction.Loan)
{
price = priceInfo.LoanPrice;
}
// calculate price per gram before sending it
if (priceInfo.PerOunce && price.HasValue)
{
price = decimal.Round(price.Value / Constants.OzToGm._1Oz, 2);
}
success = true;
}
else
{
error = "Unable to find a price for the selected Metal, Karat and Date";
}
}
}
catch (Exception ex)
{
error = "Unexpected error occurred while processing your request";
_logger.LogError("AdminService.FetchMetalPriceAsync - Exception:{@Ex}", args: new object[] { ex });
}
return(Success : success, Error : error, Price : price);
}
public async Task <bool> CopyPricesToTodayAsync()
{
var success = true;
try
{
var utcNow = DateTime.UtcNow;
var previousDate = utcNow.AddDays(-1).Date;
var previousDayPrices = await _priceRepository.ListBasePricesByDateAsync(previousDate);
if (previousDayPrices.Any())
{
foreach (var price in previousDayPrices)
{
// avoid copying, if the price already exist
var possibleExistingPrice = await _priceRepository.FetchPriceByMetalIdKaratIdAsync(price.MetalId, price.KaratId, utcNow.Date);
if (possibleExistingPrice == null)
{
var newPrice = new Price
{
Date = utcNow.Date,
MetalId = price.MetalId,
KaratId = price.KaratId,
BuyPrice = price.BuyPrice,
SellPrice = price.SellPrice,
LoanPrice = price.LoanPrice,
LoanPricePercent = price.LoanPricePercent,
PerOunce = price.PerOunce,
CreatedUserId = null,
CreatedUtc = DateTime.UtcNow
};
await _priceRepository.SavePriceAsync(newPrice);
}
}
success = true;
}
}
catch (Exception ex)
{
_logger.LogError("ScheduledTaskService.CopyPricesToTodayAsync - exception:{@Ex}", args: new object[] { ex });
}
return(success);
}