public async Task <spProcessOrderResult> ProcessOrder(
OpenOrderTableModel openOrder, bool isBuy)
{
try
{
var p = new DynamicParameters();
p.Add("createUserId", openOrder.CreateUserId);
p.Add("price", openOrder.Price);
p.Add("amount", openOrder.Amount);
p.Add("total", openOrder.Total);
p.Add("createDate", openOrder.CreateDate);
return(await _db.QueryFirstAsync <spProcessOrderResult>(
$"Process_{openOrder.CryptExchangePair.ToUpper()}_{(isBuy ? "Buy" : "Sell")}Order",
p,
commandType : CommandType.StoredProcedure));
}
catch (Exception ex)
{
return(await ProcessOrder(openOrder, isBuy));
}
}
public async Task <ActionResult> CryptoCreateOrder([FromBody] OrderModel orderModel)
{
if (orderModel == null)
{
return(BadRequest("orderModel is null."));
}
var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
if (!string.IsNullOrEmpty(orderModel.BotAuthCode))
{
var botAuthCode = await _botsRepository.GetBotByBotAuthCode(orderModel.BotAuthCode);
if (botAuthCode != null)
{
userId = botAuthCode.UserId;
}
}
if (string.IsNullOrEmpty(userId))
{
return(BadRequest("You're not authorized"));
}
decimal priceDecimal = orderModel.Price.ParseToDecimal();
decimal amountDecimal = orderModel.Amount.ParseToDecimal();
decimal total = priceDecimal * amountDecimal;
decimal updatedWalletBalance = 0;
var pair = await _pairsRepository.GetPairByAcronimAsync(orderModel.Pair);
if (pair == null)
{
return(BadRequest("Wrong pair."));
}
string firstCurrency = pair.Currency1;
string secondCurrency = pair.Currency2;
if (orderModel.IsBuy)
{
var wallet = await _walletsRepository.GetUserWalletAsync(userId, secondCurrency);
if (wallet == null)
{
return(BadRequest("You dont have a wallets. Create them"));
}
if (wallet.Value < total)
{
return(BadRequest("You dont have wallet balance."));
}
var updatedWallet = wallet;
updatedWallet.Value -= total;
updatedWalletBalance = updatedWallet.Value;
await _walletsRepository.UpdateWalletBalanceAsync(updatedWallet);
}
else //Sell - BTC
{
var wallet = await _walletsRepository.GetUserWalletAsync(userId, firstCurrency);
if (wallet == null)
{
return(BadRequest("You dont have a wallets. Create them"));
}
if (wallet.Value < amountDecimal)
{
return(BadRequest("You dont have wallet balance."));
}
var updatedWallet = wallet;
updatedWallet.Value -= amountDecimal;
updatedWalletBalance = updatedWallet.Value;
await _walletsRepository.UpdateWalletBalanceAsync(updatedWallet);
}
OpenOrderTableModel order = new OpenOrderTableModel
{
Price = priceDecimal,
Amount = amountDecimal,
Total = total,
CreateUserId = userId,
CreateDate = DateTime.Now,
CryptExchangePair = pair.SQLTableName
};
var result = await _tradeRepository.ProcessOrder(order, orderModel.IsBuy);
while (result.Amount != order.Amount && result.Amount != 0)
{
order.Amount = result.Amount;
result = await _tradeRepository.ProcessOrder(order, orderModel.IsBuy);
if (result.ClosedOrderUserId != "-1")
{
await _hubcontext.Clients.User(result.ClosedOrderUserId).SendAsync("OrderWasClosed",
JsonConvert.SerializeObject(result.ClosedOrderId));
}
}
order.Id = result.Id;
if (result.Id == -1)
{
await _hubcontext.Clients.User(userId).SendAsync("OrderWasClosed", result.Id);
}
else
{
await _hubcontext.Clients.User(userId).SendAsync("OrderWasCreated", JsonConvert.SerializeObject(order));
}
return(Ok(updatedWalletBalance.ToString()));
}
