public DataSet GetLatestByExchangeAndCurrnecy(BLL.ProfitRecording.enExchange exchange, BLL.ProfitRecording.enCurrency currency, string arbSymbol)
{
return(ExecuteDataSet(@"CryptoTrades", "SELECT top 1 * FROM ProfitRecordings WITH (NOLOCK) WHERE (exchange = '" + exchange.ToString() + "' or exchange = '" + ((int)exchange).ToString() + @"')
AND ( Currency = '" + currency.ToString() + "' or Currency = '" + ((int)currency).ToString() + @"')
AND ( ArbSymbol = '" + arbSymbol + @"')
order by TimeStamp desc", CommandType.Text));
}
public DataSet GetByExchangeAndCurrecy(BLL.ProfitRecording.enExchange exchange, BLL.ProfitRecording.enCurrency currency, DateTime dtfrom, DateTime dtTo, int avgPerMinutes, string arbSymbol)
{
return(ExecuteDataSet(@"CryptoTrades", @"
SELECT
max(id) as Id,
max(Exchange) as Exchange,
max(ArbSymbol) as ArbSymbol,
max(LunoBid) as LunoBid,
max(ExchangeAsk) as ExchangeAsk,
max(Currency) as Currency,
max(CurrencyToZarExchangeRate) as CurrencyToZarExchangeRate,
max(ProfitPerc) as ProfitPerc,
dateadd(minute, datediff(minute, 0, TimeStamp) / @avgPerMinutes * @avgPerMinutes, 0) as [TimeStamp],
count(*) as [Records_in_Interval]
FROM ProfitRecordings
WHERE Exchange = @Exchange
and Currency = @Currency
and TimeStamp Between @dtFrom and @dtTo
and arbSymbol = @arbSymbol
GROUP BY dateadd(minute, datediff(minute, 0,TimeStamp) / @avgPerMinutes * @avgPerMinutes, 0)
ORDER BY [TimeStamp] DESC
", CommandType.Text,
CreateParameter("@dtFrom", SqlDbType.DateTime, dtfrom, ParameterDirection.InputOutput),
CreateParameter("@dtTo", SqlDbType.DateTime, dtTo, ParameterDirection.InputOutput),
CreateParameter("@Exchange", SqlDbType.VarChar, exchange.ToString(), ParameterDirection.Input),
CreateParameter("@Currency", SqlDbType.VarChar, currency.ToString(), ParameterDirection.Input),
CreateParameter("@avgPerMinutes", SqlDbType.Int, avgPerMinutes, ParameterDirection.Input),
CreateParameter("@arbSymbol", SqlDbType.VarChar, arbSymbol, ParameterDirection.Input)
));
}
public void Save(ref long id,
BLL.ProfitRecording.enExchange exchange,
BLL.ProfitRecording.enCurrency currency,
decimal lunoBid,
decimal exchangeAsk,
decimal currencyToZARExchangeRate,
decimal profitPerc,
string arbSymbol
)
{
System.Text.StringBuilder query = new System.Text.StringBuilder();
SqlCommand cmd = new SqlCommand();
query.Append(@"BEGIN
-- Update existing row if it exists else insert new row
IF ((SELECT Count(Id) FROM ProfitRecordings WITH (NOLOCK) WHERE Id = @Id) > 0)
BEGIN
-- update existing row
UPDATE
[ProfitRecordings]
SET
Exchange = @Exchange,
Currency = @Currency,
LunoBid = @LunoBid,
ExchangeAsk = @ExchangeAsk,
CurrencyToZARExchangeRate = @CurrencyToZARExchangeRate,
ProfitPerc = @ProfitPerc,
ArbSymbol = @ArbSymbol
WHERE
[Id] = @Id
END
ELSE
BEGIN
-- insert new row
INSERT INTO [ProfitRecordings]
(
Exchange,
Currency,
LunoBid,
ExchangeAsk,
CurrencyToZARExchangeRate,
ProfitPerc,
TimeStamp,
ArbSymbol
)
VALUES
(
@Exchange,
@Currency,
@LunoBid,
@ExchangeAsk,
@CurrencyToZARExchangeRate,
@ProfitPerc,
getDate(),
@ArbSymbol
)
SELECT @Id = @@Identity FROM [ProfitRecordings] WITH (NOLOCK)
END
END");
ExecuteNonQuery("CryptoTrades", out cmd, query.ToString(), CommandType.Text,
CreateParameter("@Id", SqlDbType.BigInt, id, ParameterDirection.InputOutput),
CreateParameter("@Exchange", SqlDbType.VarChar, exchange.ToString(), ParameterDirection.InputOutput),
CreateParameter("@Currency", SqlDbType.VarChar, currency.ToString(), ParameterDirection.InputOutput),
CreateParameter("@LunoBid", SqlDbType.Decimal, lunoBid, ParameterDirection.InputOutput),
CreateParameter("@ExchangeAsk", SqlDbType.Decimal, exchangeAsk, ParameterDirection.InputOutput),
CreateParameter("@CurrencyToZARExchangeRate", SqlDbType.Decimal, currencyToZARExchangeRate, ParameterDirection.InputOutput),
CreateParameter("@ProfitPerc", SqlDbType.Decimal, profitPerc, ParameterDirection.InputOutput),
CreateParameter("@ArbSymbol", SqlDbType.VarChar, arbSymbol, ParameterDirection.InputOutput)
);
id = int.Parse(cmd.Parameters["@id"].Value.ToString());
}