DataObjects/Core_curr_rate.php

[Pman.Core] / DataObjects / Core_curr_rate.php

diff --git a/DataObjects/Core_curr_rate.php b/DataObjects/Core_curr_rate.php
index 89abf3f..1514c04 100644 (file)
--- a/DataObjects/Core_curr_rate.php
+++ b/DataObjects/Core_curr_rate.php
@@ -39,12 +39,19 @@ class Pman_Core_DataObjects_Core_curr_rate extends DB_DataObject
     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;
         }
         
@@ -129,27 +136,41 @@ class Pman_Core_DataObjects_Core_curr_rate extends DB_DataObject
         
         
     }
-    function lastRate($when)
+    function rate($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);
         
-        if ($r === false) {
-            return false;
+        // crappy error handling..
+        if ($fr === false) {
+            $fr = 1;
         }
-        if (!isset($this->rates[$from]) || !isset($this->rates[$to]) ) {
-            return false;
+        if ($tr === false) {
+            $tr = 1;
         }
-        //echo '<PRE>';print_R($this->rates);
-        $base = (1.0 / $this->rates[$from]) * $val;
+        
+        return ((1.0 / $fr) * $val) * $tr;
   
-        return $this->rates[$to] * $base;
+        
     
     }