def get_position_for(self, ticker):
""" return Position for a given ticker symbol for this Account.
returns a list of Position objects """
return Position.all_from_where_clause(
"WHERE account_pk=? AND ticker=?", (self.pk, ticker))
def get_positions(self):
""" return all Positions where account_pk == self.pk.
returns a list of Position objects """
return Position.all_from_where_clause("WHERE account_pk=?",
(self.pk, ))