// how often do we need to know this..?
// let's assume we do it once a week..
$x = DB_DataObject::Factory('core_curr_rate');
- $x->whereAdd('to_date > NOW()');
+ $x->whereAdd('to_dt > NOW()');
if ($x->count()) {
// got some data for beyond today..
return false;
}
- $dom = simplexml_load_file($target);
+ $dom = simplexml_load_string($f);
$rates['EUR'] = 1.0;
foreach($dom->Cube->Cube->Cube as $c) {
}
$rates['RMB'] = $rates['CNY'] ;
- foreach($rates as $cur=>$euro) {
+ foreach($rates as $cur=>$in_euro) {
- $rate = $this->rates['USD'] * $euro;
-
-
-
-
-
-
+ $rate = (1.0 / $rates['USD']) * $in_euro;
+
$ov = DB_DataObject::Factory('core_curr_rate');
$ov->curr = $cur;
- $nl = clone($x);
- $ov->orderBy('to_date DESC');
+ $nl = clone($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($ov->to_date) > time()) {
+ if (strtotime($ov->to_dt) > time()) {
continue;
}
- $nl->from_dt = $ov->to_date;
+ $nl->from_dt = $ov->to_dt;
if ($ov->rate == $rate) {
// modify the old one to expire
$oo = clone($ov);
- $ov->to_date = $nv->to_from_dt;
+ $ov->to_dt = $nl->from_dt;
$ov->update($oo);
continue;
}
}
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');
{
- $fr =
- //echo '<PRE>';print_R($this->rates);
- $base = (1.0 / $this->rates[$from]) * $val;
+ $fr = $this->rate($from, $when);
+ $tr = $this->rate($to, $when);
+
+ // crappy error handling..
+ if ($fr === false) {
+ return false;
+ }
+ if ($tr === false) {
+ return false;
+ }
+
+ return ((1.0 / $fr) * $val) * $tr;
- return $this->rates[$to] * $base;
+
}
+ function currentRates()
+ {
+ $this->loadRates();
+ // DB_DataObject::debugLevel(1);
+ $c = DB_DAtaObject::factory('core_curr_rate');
+ $c->whereAdd('from_dt < NOW() AND to_dt > NOW()');
+ $c->find();
+ $ret = array();
+ while($c->fetch()) {
+ $ret[$c->curr] = $c->rate;
+ }
+ return $ret;
+
+
+
+ }
}