X-Git-Url: http://git.roojs.org/?a=blobdiff_plain;f=DataObjects%2FCore_curr_rate.php;h=4258b82d5ea994a30f3f0555a9a78b3140966d87;hb=bc2cc52d7aa7ec4d14631b8eda7b5b2db15e9c42;hp=f8a33f9eb63283004ae4f259cf92a38bcfa8f407;hpb=8697465fab1db55eb102cb2faf6ea68e2ae1cd6e;p=Pman.Core diff --git a/DataObjects/Core_curr_rate.php b/DataObjects/Core_curr_rate.php index f8a33f9e..4258b82d 100644 --- a/DataObjects/Core_curr_rate.php +++ b/DataObjects/Core_curr_rate.php @@ -12,7 +12,7 @@ class Pman_Core_DataObjects_Core_curr_rate extends DB_DataObject public $__table = 'core_curr_rate'; // table name public $id; public $curr; - public $rate; + public $rate; // always to USD... public $from_dt; public $to_dt; @@ -24,6 +24,9 @@ class Pman_Core_DataObjects_Core_curr_rate extends DB_DataObject } + + + /** * current rate fetching * @@ -32,61 +35,140 @@ class Pman_Core_DataObjects_Core_curr_rate extends DB_DataObject * this just get's the current rates from the ecb.. * * - */ - - var $rates = array(); + */ 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; } - - - - - if (!empty($this->rates)) { - return true; - } // load our default rates to start with.. - $dom = simplexml_load_file(dirname(__FILE__).'/eurofxref-daily.xml'); - $this->rates['EUR'] = 1.0; - $this->rates['TWD'] = 46.7008412; - $this->rates['VND'] = 26405.3; + $dom = simplexml_load_file(dirname(__FILE__).'/../eurofxref-daily.xml'); + $rates['EUR'] = 1.0; + $rates['TWD'] = 46.7008412; // taiwan dorlar + $rates['VND'] = 25282.24; // veitnam dong? foreach($dom->Cube->Cube->Cube as $c) { //echo '
';print_r($c ); - $this->rates[(string)$c['currency']] = (string)$c['rate']; + $rates[(string)$c['currency']] = (string)$c['rate']; } - $this->rates['RMB'] = $this->rates['CNY'] ; - // now try loading from latest.. - $target = ini_get('session.save_path').'/eurofxref-daily.xml'; + $rates['RMB'] = $rates['CNY'] ; - if (!file_exists($target) || filemtime($target) < (time() - 60*60*24)) { - // this may fail... - $f = @file_get_contents('http://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml'); - if (!strlen($f)) { - return; - } - file_put_contents($target,$f); - } - $dom = simplexml_load_file($target); - $this->rates['EUR'] = 1.0; - $this->rates['TWD'] = 46.7008412; - $this->rates['VND'] = 26405.3; + + // now try loading from latest.. + // this may fail... + $f = @file_get_contents('http://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml'); + if (!strlen($f)) { + return false; + } + + $dom = simplexml_load_file($target); + $rates['EUR'] = 1.0; + foreach($dom->Cube->Cube->Cube as $c) { //echo '';print_r($c ); - $this->rates[(string)$c['currency']] = (string)$c['rate']; + $rates[(string)$c['currency']] = (string)$c['rate']; + } + $rates['RMB'] = $rates['CNY'] ; + + foreach($rates as $cur=>$euro) { + + + $rate = $this->rates['USD'] * $euro; + + + + + + + + + $ov = DB_DataObject::Factory('core_curr_rate'); + $ov->curr = $cur; + $nl = clone($x); + $ov->orderBy('to_date 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()) { + continue; + } + $nl->from_dt = $ov->to_date; + + + if ($ov->rate == $rate) { + // modify the old one to expire + $oo = clone($ov); + $ov->to_date = $nv->to_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) + { + $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 $r->rate; + } + } + + function convert($val, $from, $to, $when = false) + { + + + + if ($r === false) { + return false; + } + if (!isset($this->rates[$from]) || !isset($this->rates[$to]) ) { + return false; } - $this->rates['RMB'] = $this->rates['CNY'] ; + //echo '';print_R($this->rates); + $base = (1.0 / $this->rates[$from]) * $val; + + return $this->rates[$to] * $base; + } + + + }