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83 lines
2.4 KiB
Python
83 lines
2.4 KiB
Python
# Trade handling
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from alpaca.common.exceptions import APIError
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from alpaca.trading.enums import OrderSide, TimeInForce
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from alpaca.trading.requests import LimitOrderRequest, MarketOrderRequest
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from core.util import logs
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log = logs.get_logger(__name__)
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def sync_trades_with_db(user):
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pass
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def post_trade(trade):
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# the trade is not placed yet
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trading_client = trade.account.get_client()
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if trade.direction == "buy":
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direction = OrderSide.BUY
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elif trade.direction == "sell":
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direction = OrderSide.SELL
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else:
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raise Exception("Unknown direction")
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cast = {"symbol": trade.symbol, "side": direction, "time_in_force": TimeInForce.IOC}
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if trade.amount is not None:
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cast["qty"] = trade.amount
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if trade.amount_usd is not None:
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cast["notional"] = trade.amount_usd
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if not trade.amount and not trade.amount_usd:
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return (False, "No amount specified")
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if trade.take_profit:
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cast["take_profit"] = {"limit_price": trade.take_profit}
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if trade.stop_loss:
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stop_limit_price = trade.stop_loss - (trade.stop_loss * 0.005)
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cast["stop_loss"] = {
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"stop_price": trade.stop_loss,
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"limit_price": stop_limit_price,
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}
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if trade.type == "market":
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market_order_data = MarketOrderRequest(**cast)
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try:
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order = trading_client.submit_order(order_data=market_order_data)
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except APIError as e:
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log.error(f"Error placing market order: {e}")
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return (False, e)
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elif trade.type == "limit":
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if not trade.price:
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return (False, "Limit order with no price")
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cast["limit_price"] = trade.price
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limit_order_data = LimitOrderRequest(**cast)
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try:
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order = trading_client.submit_order(order_data=limit_order_data)
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except APIError as e:
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log.error(f"Error placing limit order: {e}")
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return (False, e)
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else:
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raise Exception("Unknown trade type")
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trade.response = order
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trade.status = "posted"
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trade.order_id = order["id"]
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trade.client_order_id = order["client_order_id"]
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trade.save()
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return (True, order)
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def update_trade(self):
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pass
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def close_trade(trade):
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pass
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def get_position_info(account, symbol):
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trading_client = account.get_client()
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try:
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position = trading_client.get_open_position(symbol)
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except APIError as e:
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return (False, e)
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return (True, position)
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