Esempio n. 1
0
void MyMoneyForecast::calculateHistoricDailyBalances()
{
  MyMoneyFile* file = MyMoneyFile::instance();

  calculateAccountTrendList();

  //Calculate account daily balances
  QMap<QString, QString>::ConstIterator it_n;
  for(it_n = m_nameIdx.begin(); it_n != m_nameIdx.end(); ++it_n) {
    MyMoneyAccount acc = file->account(*it_n);

    //set the starting balance of the account
    setStartingBalance(acc);

    switch(historyMethod()) {
      case 0:
      case 1:
      {
        for(QDate f_day = forecastStartDate(); f_day <= forecastEndDate(); ) {
          for(int t_day = 1; t_day <= accountsCycle(); ++t_day) {
            MyMoneyMoney balanceDayBefore = m_accountList[acc.id()][(f_day.addDays(-1))];//balance of the day before
            MyMoneyMoney accountDailyTrend = m_accountTrendList[acc.id()][t_day]; //trend for that day
            //balance of the day is the balance of the day before multiplied by the trend for the day
            m_accountList[acc.id()][f_day] = balanceDayBefore;
            m_accountList[acc.id()][f_day] += accountDailyTrend; //movement trend for that particular day
            m_accountList[acc.id()][f_day] = m_accountList[acc.id()][f_day].convert(acc.fraction());
            //m_accountList[acc.id()][f_day] += m_accountListPast[acc.id()][f_day.addDays(-historyDays())];
            f_day = f_day.addDays(1);
          }
        }
      }
      break;
      case 2:
      {
        QDate baseDate = QDate::currentDate().addDays(-accountsCycle());
        for(int t_day = 1; t_day <= accountsCycle(); ++t_day) {
          int f_day = 1;
          QDate fDate = baseDate.addDays(accountsCycle()+1);
          while (fDate <= forecastEndDate()) {

            //the calculation is based on the balance for the last month, that is then multiplied by the trend
            m_accountList[acc.id()][fDate] = m_accountListPast[acc.id()][baseDate] + (m_accountTrendList[acc.id()][t_day] * MyMoneyMoney(f_day,1));
            m_accountList[acc.id()][fDate] = m_accountList[acc.id()][fDate].convert(acc.fraction());
            ++f_day;
            fDate = baseDate.addDays(accountsCycle() * f_day);
          }
          baseDate = baseDate.addDays(1);
        }
      }
    }
  }
}