int CPos::short_pos(day_price_t &dp, int percent)
{
int date = dp.date;
int price = dp.open;
assert(m_status == ST_OPEN);
assert(date >= m_begin_date && m_end_date == 0);
int count = m_init_count / percent;
if (count > m_curr_count)
count = m_curr_count;
m_curr_count -= count;
if (m_curr_count == 0){
m_status = ST_CLOSE;
m_end_date = date;
}
m_curr_cost = price;
COperation *op = new COperation(this, date, DI_SELL, count, price);
m_ops[date] = op;
//we get fix_profit now
profit_t *p = &m_fix_profit;
p->fee += op->get_fee();
p->cash_profit += count * (price - m_init_cost);
p->float_profit = m_curr_count * (price - m_init_cost) + p->cash_profit;
p->total_profit = p->cash_profit - p->fee;
return p->total_profit;
}
CPos:: CPos(CStock *owner, int begin_date, int count, int cost)
{
m_db = owner->get_db();
m_owner = owner;
m_begin_date = begin_date;
m_end_date = 0;
m_init_count = m_curr_count = count;
m_init_cost = m_curr_cost = cost;
m_status = ST_OPEN;
COperation *op = new COperation(this, begin_date, DI_BUY, count, cost);
m_ops[begin_date] = op;
m_fix_profit.fee = op->get_fee();
}