/* 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; }
/* 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); }