+ $rates[(string)$c['currency']] = (string)$c['rate'];
+ }
+ $rates['RMB'] = $rates['CNY'] ;
+
+ foreach($rates as $cur=>$in_euro) {
+
+
+ $rate = (1.0 / $rates['USD']) * $in_euro;
+
+
+
+ $ov = DB_DataObject::Factory('core_curr_rate');
+ $ov->curr = $cur;
+ $nl = clone($ov);
+ $ov->orderBy('to_dt DESC');
+ $ov->limit(1);
+
+
+ $nl->from_dt = DB_DataObject::sqlValue("NOW()");
+ $nl->to_dt = DB_DataObject::sqlValue("NOW() + INTERVAL 7 DAY");
+ if ($ov->find(true)) {
+ if (strtotime($ov->to_dt) > time()) {
+ continue;
+ }
+ $nl->from_dt = $ov->to_dt;
+
+
+ if ($ov->rate == $rate) {
+ // modify the old one to expire
+ $oo = clone($ov);
+ $ov->to_dt = $nl->from_dt;
+ $ov->update($oo);
+ continue;
+ }
+ } else {
+ // no previous record...
+ $nl->from_dt = '1970-01-01 00:00:00';
+ }
+ $nl->rate = $rate;
+ // create a new row.
+ $nl->insert();
+
+
+
+ }
+
+
+ }
+ function rate($cur, $when)
+ {
+ $when === false ? date('Y-m-d H:i:s') : $when;
+ $this->loadRates(); // check if we have an rates.
+
+ $r = DB_DataObject::factory('core_curr_rate');
+ $r->curr = $cur;
+ $r->whereAdd("from_dt < '" . date('Y-m-d H:i:s', strtotime($when)) . "'");
+
+ $r->orderBy('to_dt ASC');
+ $r->limit(1);
+ if ($r->find(true)) {
+ return $r->rate;