public RateHistoryDomainModel GetRateHistory(string currencyCode, string from, string to)
{
RateHistoryDomainModel result = default;
try
{
if (string.IsNullOrEmpty(currencyCode) || string.IsNullOrEmpty(from) || string.IsNullOrEmpty(to))
{
throw new Exception("Invalid request data");
}
//TODO RegEx change to be done
var dateRegEx = new Regex(@"^\d{4}\-(0?[1-9]|1[012])\-(0?[1-9]|[12][0-9]|3[01])$");
DateTime outFrom = DateTime.Now;
DateTime outTo = DateTime.Now;
if (_fixerService.CheckCurrencyCodeExists(currencyCode) && DateTime.TryParse(from, out outFrom) && DateTime.TryParse(to, out outTo) && outTo >= outFrom)
{
var rateList = _unitOfWork.ExchangeRateSyncBaseRepository.Get(x => x.IsDeleted == false && x.SyncDate >= outFrom && x.SyncDate <= outTo)
.Join(_unitOfWork.ExchangeRatesRepository.Get(x => x.IsDeleted == false && x.Currency == currencyCode), sync => sync.Id, rate => rate.SyncId, (sync, rate) => new { sync, rate })
.Select(x => new RateDomainModel
{
RecordDate = x.sync.SyncDate,
ExchangeRate = x.rate.Rate
}).OrderBy(x => x.RecordDate).ToList();
if (rateList.Any())
{
result = result ?? new RateHistoryDomainModel();
result.CurrencyCode = currencyCode.ToUpper();
result.FromDate = outFrom;
result.ToDate = outTo;
result.Records = rateList;
}
}
else
{
throw new Exception("Invalid request data");
}
}
catch (Exception ex)
{
throw ex;
}
return(result);
}
static void Main(string[] args)
{
try
{
var container = GetIocContainer();
IFixerService _fixerService = container.Resolve <IFixerService>();
Console.Title = "FOREX - CURRENCY CONVERSION";
QUESTION:
Console.Clear();
Console.Write("Want to get currency conversion with current(Y) or past-dated(N) rate?(Y/N): ");
var answar1 = Console.ReadLine().Trim().ToUpper();
DateTime?date = null;
if (answar1 == "Y")
{
goto START;
}
else if (answar1 == "N")
{
Console.Write("Please enter date in YYYY-MM-DD format: ");
var input = Console.ReadLine().Trim();
DateTime outDate;
if (DateTime.TryParse(input, out outDate))
{
date = outDate;
}
else
{
Console.Write("Invalid date entered!");
Console.ReadKey();
goto QUESTION;
}
}
else
{
goto QUESTION;
}
START:
Console.Write("Please enter first currency code: ");
var firstCurrencyCode = Console.ReadLine().ToUpper().Trim();
if (!_fixerService.CheckCurrencyCodeExists(firstCurrencyCode))
{
Console.Write("Invalid currency code entered!");
Console.ReadKey();
goto QUESTION;
}
Console.Write("Please enter curency amount to exchange: ");
var i = Console.ReadLine();
float amount = 0F;
if (!float.TryParse(i, out amount) && amount < 0)
{
Console.Write("Invalid amount entered!");
Console.ReadKey();
goto QUESTION;
}
Console.Write("Please enter second currency code: ");
var secondCurrencyCode = Console.ReadLine().ToUpper().Trim();
if (!_fixerService.CheckCurrencyCodeExists(secondCurrencyCode))
{
Console.Write("Invalid currency code entered!");
Console.ReadKey();
goto QUESTION;
}
var ExchangedAmount = _fixerService.CurrencyConversion(firstCurrencyCode, secondCurrencyCode, amount, date);
Console.WriteLine($"{amount} {firstCurrencyCode} = {ExchangedAmount} {secondCurrencyCode}");
CLOSE:
Console.Write("Want to close application?(Y/N): ");
var answar = Console.ReadLine().ToUpper();
if (answar == "Y")
{
Environment.Exit(0);
}
else if (answar == "N")
{
goto QUESTION;
}
else
{
goto CLOSE;
}
}
catch (Exception ex)
{
Console.WriteLine("Fatal error: " + ex.Message);
Console.ReadKey();
}
}