public $__table = 'core_curr_rate'; // table name
public $id;
public $curr;
- public $rate;
+ public $rate; // always to USD...
public $from_dt;
public $to_dt;
function loadRates()
{
+ static $checked = false;
+ if ($checked ) {
+ return true;
+ }
+ $checked = true;
+
// how often do we need to know this..?
// let's assume we do it once a week..
$x = DB_DataObject::Factory('core_curr_rate');
$x->whereAdd('to_date > NOW()');
if ($x->count()) {
// got some data for beyond today..
+
return;
}
}
- function convertCurrency($val, $from, $to)
+ function rate($cur, $when)
{
- $r = $this->loadRates();
+ $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');
+ $r->limit(1);
+
+ }
+
+ function convert($val, $from, $to, $when = false)
+ {
+
+
+
if ($r === false) {
return false;
}