def update_strategy_position_table_with_instrument_order(
self, original_instrument_order: instrumentOrder,
new_fill: tradeQuantity):
"""
Alter the strategy position table according to new_fill value
:param original_instrument_order:
:return:
"""
instrument_strategy = original_instrument_order.instrument_strategy
current_position_as_int = self.diag_positions.get_current_position_for_instrument_strategy(
instrument_strategy)
trade_done_as_int = new_fill.as_single_trade_qty_or_error()
if trade_done_as_int is missing_order:
self.log.critical("Instrument orders can't be spread orders!")
return failure
new_position_as_int = current_position_as_int + trade_done_as_int
self.db_strategy_position_data.update_position_for_instrument_strategy_object(
instrument_strategy, new_position_as_int)
log = original_instrument_order.log_with_attributes(self.log)
log.msg(
"Updated position of %s from %d to %d because of trade %s %d fill %s"
% (str(instrument_strategy), current_position_as_int,
new_position_as_int, str(original_instrument_order),
original_instrument_order.order_id, str(new_fill)))
return success
def what_trade_is_possible_for_strategy_instrument(
self, instrument_strategy: instrumentStrategy,
proposed_trade: tradeQuantity) -> int:
proposed_trade_as_int = proposed_trade.total_abs_qty()
return self.data.db_trade_limit.what_trade_is_possible(
instrument_strategy, proposed_trade_as_int)