TransactionDataDto ITransactionDataParser.Parse(string data)
{
XmlSerializer serializer = new XmlSerializer(typeof(TransactionDataDto));
using TextReader reader = new StringReader(data);
TransactionDataDto result = (TransactionDataDto)serializer.Deserialize(reader);
return(result);
}
public TransactionDataDto Parse(string data)
{
TransactionDataDto result = new TransactionDataDto();
var rows = data.Split(RowSplitter);
foreach (var row in rows)
{
var transaction = ParseCsvRowToTransactionDto(row);
result.Transactions.Add(transaction);
}
return(result);
}
public async Task BindModelAsync(ModelBindingContext bindingContext)
{
if (bindingContext == null)
{
throw new ArgumentNullException(nameof(bindingContext));
}
IFormCollection files = await bindingContext.HttpContext.Request.ReadFormAsync();
UploadTransactionDataRequest result = new UploadTransactionDataRequest();
foreach (var file in files.Files)
{
ITransactionDataParser parser = _transactionDataParserFactory.CreateParser(file.ContentType);
string fileContent = await GetFileContent(file);
TransactionDataDto transactionData = parser.Parse(fileContent);
result.TransactionData.Transactions.AddRange(transactionData.Transactions);
}
bindingContext.Result = ModelBindingResult.Success(result);
}
public UploadTransactionDataRequest()
{
TransactionData = new TransactionDataDto();
}
public async Task <IActionResult> CreateTransaction(int id, [FromBody] TransactionDataDto transactionDataDto)
{
try
{
if (!ModelState.IsValid)
{
return(Json(new
{
errors = ModelState.Errors()
}));
}
var userId = id;
var amount = Math.Round(transactionDataDto.Amount, 2);
var currency = transactionDataDto.Currency;
var transactionType = transactionDataDto.TransactionType;
var bonus = CalculateBonus(userId);
var exchangeRates = await GetExchangeRates(currency);
var points = CalculateLoyaltyPoints(amount, exchangeRates, transactionType);
switch (transactionType)
{
case TransactionType.Deposit:
_userTransactionDao.Add(userId, amount, currency, transactionType, points);
_userAccountDao.Update(userId, amount, currency);
break;
case TransactionType.Withdraw:
_userTransactionDao.Add(userId, amount, currency, transactionType, points);
_userAccountDao.Update(userId, -amount, currency);
break;
case TransactionType.Purchase:
_userTransactionDao.Add(userId, amount, currency, transactionType, points);
_userAccountDao.Update(userId, amount, currency);
_userAccountDao.Update(userId, Math.Round(-amount * exchangeRates.SellPrice * (1.00m - bonus) / exchangeRates.Unit, 2),
Currency.PLN);
break;
case TransactionType.Sell:
_userTransactionDao.Add(userId, amount, currency, transactionType, points);
_userAccountDao.Update(userId, -amount, currency);
_userAccountDao.Update(userId,
Math.Round(amount * exchangeRates.PurchasePrice * (1.00m + bonus) / exchangeRates.Unit, 2), Currency.PLN);
break;
default:
return(Json(new
{
errors = "Invalid transaction type."
}));
}
return(Json(Ok()));
}
catch (InvalidOperationException ex)
{
return(Json(new
{
errors = ex.Message
}));
}
}
