C++ (Cpp) gnc_pricedb_lookup_latest示例

示例#1

文件： gnc-tree-util-split-reg.c 项目： 573/gnucash

/* Get the rate from the price db */
static gnc_numeric
gtu_sr_get_rate_from_db (gnc_commodity *from, gnc_commodity *to)
{
    GNCPrice *prc;
    gnc_numeric rate_split;
    gboolean have_rate = FALSE;
    QofBook *book = gnc_get_current_book ();

    /* Do we have a rate allready */
    prc = gnc_pricedb_lookup_latest (gnc_pricedb_get_db (book), from, to);
    if (prc)
    {
        rate_split = gnc_price_get_value (prc);
        gnc_price_unref (prc);
        have_rate = TRUE;
    }

    /* Lets try reversing the commodities */
    if (!have_rate)
    {
        prc = gnc_pricedb_lookup_latest (gnc_pricedb_get_db (book), to, from);
        if (prc)
        {
            rate_split = gnc_numeric_div (gnc_numeric_create (100, 100), gnc_price_get_value (prc),
                                 GNC_DENOM_AUTO, GNC_HOW_DENOM_REDUCE);

            gnc_price_unref (prc);
            have_rate = TRUE;
        }
    }

    /* No rate, set to 1/1 */
    if (!have_rate)
        rate_split = gnc_numeric_create (100, 100);

    return rate_split;
}

示例#2

文件： gnc-tree-util-split-reg.c 项目： Mechtilde/gnucash

/* Get the rate from the price db */
static gnc_numeric
gtu_sr_get_rate_from_db (gnc_commodity *from, gnc_commodity *to)
{
    GNCPrice *prc;
    QofBook *book = gnc_get_current_book ();

    prc = gnc_pricedb_lookup_latest (gnc_pricedb_get_db (book), from, to);

    if (!prc)
        return gnc_numeric_create (100, 100);

    if (gnc_commodity_equiv(from, gnc_price_get_currency(prc)))
        return gnc_numeric_invert(gnc_price_get_value(prc));
    return gnc_price_get_value(prc);
}