X-Git-Url: http://git.roojs.org/?p=Pman.Core;a=blobdiff_plain;f=DataObjects%2FCore_curr_rate.php;h=5b6858cfbf1fb3bae92d5174f982871de11bac61;hp=8be8ee49043933459057a36047409f5fc4b04cff;hb=HEAD;hpb=f902bc1e2e1734a58461bc7c6ec46f3063e74c21 diff --git a/DataObjects/Core_curr_rate.php b/DataObjects/Core_curr_rate.php index 8be8ee49..5b6858cf 100644 --- a/DataObjects/Core_curr_rate.php +++ b/DataObjects/Core_curr_rate.php @@ -2,7 +2,7 @@ /** * Table Definition for core_curr_rate */ -require_once 'DB/DataObject.php'; +class_exists('DB_DataObject') ? '' : require_once 'DB/DataObject.php'; class Pman_Core_DataObjects_Core_curr_rate extends DB_DataObject { @@ -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 * @@ -32,18 +35,23 @@ 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()'); + $x->whereAdd('to_dt > NOW()'); if ($x->count()) { // got some data for beyond today.. + return; } @@ -70,7 +78,7 @@ class Pman_Core_DataObjects_Core_curr_rate extends DB_DataObject return false; } - $dom = simplexml_load_file($target); + $dom = simplexml_load_string($f); $rates['EUR'] = 1.0; foreach($dom->Cube->Cube->Cube as $c) { @@ -79,45 +87,104 @@ class Pman_Core_DataObjects_Core_curr_rate extends DB_DataObject } $rates['RMB'] = $rates['CNY'] ; - foreach($rates as $cur=>$rate) { + foreach($rates as $cur=>$in_euro) { + + + $rate = (1.0 / $rates['USD']) * $in_euro; + + $ov = DB_DataObject::Factory('core_curr_rate'); $ov->curr = $cur; - $nl = clone($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; - $ov->update($oo); - continue; + 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 $r->rate; + } + return false; + } + + function convert($val, $from, $to, $when = false) + { + + + $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; + + + + } + + 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; } + + }