ledger/quotes.cc
2004-08-18 05:32:31 -04:00

54 lines
1.3 KiB
C++

#include "quotes.h"
#include "datetime.h"
#include <fstream>
namespace ledger {
void quotes_by_script::operator()(commodity_t * commodity,
const std::time_t date,
const amount_t& price,
const std::time_t moment)
{
if (! (commodity->flags & COMMODITY_STYLE_CONSULTED) &&
std::difftime(now, moment) < pricing_leeway &&
(! price || std::difftime(moment, date) > pricing_leeway)) {
using namespace std;
// Only consult the Internet once for any commodity
commodity->flags |= COMMODITY_STYLE_CONSULTED;
cache_dirty = true;
char buf[256];
buf[0] = '\0';
if (FILE * fp = popen((string("getquote ") +
commodity->symbol).c_str(), "r")) {
if (feof(fp) || ! fgets(buf, 255, fp)) {
fclose(fp);
return;
}
fclose(fp);
}
if (buf[0]) {
char * p = strchr(buf, '\n');
if (p) *p = '\0';
amount_t current;
current.parse(buf);
commodity->add_price(now, current);
if (! price_db.empty()) {
char buf[128];
strftime(buf, 127, "%Y/%m/%d %H:%M:%S", localtime(&now));
ofstream database(price_db.c_str(), ios_base::out | ios_base::app);
database << "P " << buf << " " << commodity->symbol << " "
<< current << endl;
}
}
}
}
} // namespace ledger