def action_sell_trailing(params, data):
trade = data['trade']
#
symbol = params[0].strip().upper()
margin = string_to_relative(params[1])
prev_order_id = string_to_int(params[2]) if len(params) > 2 else None
order_term = 'GOOD_UNTIL_CANCEL'
if margin is None:
return '-> error: margin'
if margin >= 0:
print('-> error: margin must be negative')
return False
#
# quantity
#
quantity = check_positions_quantity(symbol, data)
if quantity <= 0:
print('Cannot sell an equity that I do not own')
return False
#
# previous orders
#
open_orders = trade.find_open_orders(symbol, 'SELL')
if len(open_orders) > 1:
print(
'Multiple sell orders have been placed on this security, please cancel them before continue.'
)
return False
if len(open_orders) == 1:
if prev_order_id is not None:
print('A sell order has already been placed [' +
str(open_orders[0][0]) +
'] on this security and it is not ' + str(prev_order_id))
return False
prev_order_id = open_orders[0][0]
#
# TODO not tested
#
job_server = data['job_server']
new_id = job_server.next_valid_task_id()
new_task = Tasks.SellTrailing(new_id, None)
new_task.set_order_data(symbol=symbol,
qty=quantity,
margin=margin,
prev_order_id=prev_order_id,
order_term=order_term,
update_freq=10)
job_server.add(new_task)
job_server.list_done_tasks()
print('job created')
return False
