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#include "quotes.h"
namespace ledger {
void quotes_by_script::operator()(commodity_base_t& commodity,
const ptime& moment,
const ptime& date,
const ptime& last,
amount_t& price)
{
LOGGER("quotes.download");
DEBUG("commodity: " << commodity.symbol);
DEBUG(" now: " << now);
DEBUG(" moment: " << moment);
DEBUG(" date: " << date);
DEBUG(" last: " << last);
if (SHOW_DEBUG() && commodity.history)
DEBUG("last_lookup: " << commodity.history->last_lookup);
DEBUG("pricing_leeway is " << pricing_leeway);
if ((commodity.history &&
(time_now - commodity.history->last_lookup) < pricing_leeway) ||
(time_now - last) < pricing_leeway ||
(price && moment > date && (moment - date) <= pricing_leeway))
return;
DEBUG("downloading quote for symbol " << commodity.symbol);
char buf[256];
buf[0] = '\0';
bool success = true;
if (FILE * fp = popen((string("getquote \"") +
commodity.symbol + "\"").c_str(), "r")) {
if (feof(fp) || ! fgets(buf, 255, fp))
success = false;
if (pclose(fp) != 0)
success = false;
} else {
success = false;
}
if (success && buf[0]) {
char * p = strchr(buf, '\n');
if (p) *p = '\0';
DEBUG("downloaded quote: " << buf);
price.parse(buf);
commodity.add_price(now, price);
commodity.history->last_lookup = time_now;
cache_dirty = true;
if (price && ! price_db.empty()) {
#if defined(__GNUG__) && __GNUG__ < 3
std::ofstream database(price_db.c_str(), ios::out | ios::app);
#else
std::ofstream database(price_db.c_str(),
std::ios_base::out | std::ios_base::app);
#endif
#if 0
// jww (2007-04-18): Need to convert to local time and print
// here, print with UTC timezone specifier
database << "P " << now.to_string("%Y/%m/%d %H:%M:%S")
<< " " << commodity.symbol << " " << price << endl;
#endif
}
} else {
throw exception(string("Failed to download price for '") +
commodity.symbol + "' (command: \"getquote " +
commodity.symbol + "\")",
context());
}
}
} // namespace ledger
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