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 b3fcb87..3aa2058 100644 (file)
--- a/DataObjects/Core_curr_rate.php
+++ b/DataObjects/Core_curr_rate.php
@@ -13,8 +13,8 @@ class Pman_Core_DataObjects_Core_curr_rate extends DB_DataObject
     public $id;
     public $curr;
     public $rate;
-    public $from;
-    public $to;
+    public $from_dt;
+    public $to_dt;
 
     /* the code above is auto generated do not remove the tag below */
     ###END_AUTOCODE
@@ -24,4 +24,91 @@ class Pman_Core_DataObjects_Core_curr_rate extends DB_DataObject
         
     }
     
+    /**
+     * current rate fetching
+     *
+     * - we used to do historical rates... (but sources keep disappearing for that..)
+     *
+     * this just get's the current rates from the ecb..
+     * 
+     * 
+     */
+    
+    var $rates = array();
+    function loadRates()
+    {
+        
+        // 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;
+        }
+        
+        // load our default rates to start with..
+        $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 $c) {
+           //echo '<PRE>';print_r($c );
+            $rates[(string)$c['currency']] = (string)$c['rate'];
+        }
+        $rates['RMB'] = $rates['CNY'] ;
+        
+        
+        
+        // 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 $c) {
+           //echo '<PRE>';print_r($c );
+            $rates[(string)$c['currency']] = (string)$c['rate'];
+        }
+        $rates['RMB'] = $rates['CNY'] ;
+        
+        foreach($rates as $r=>$v) {
+            
+            $x = DB_DataObject::Factory('core_curr_rate');
+            $x->curr = $c;
+            $nl = clone($x);
+            $x->orderBy('to_date DESC');
+            $x->limit(1);
+            
+            
+            
+            $$nl->from_dt = DB_DataObject::sqlValue("NOW()");
+            if ($x->find(true)) {
+                if (strtotime($x->to_date) > time()) {
+                    continue;
+                }
+                $from_date = $x->to_date;
+                
+            }
+            
+            $x->whereAdd('to_date > NOW()');
+            
+            
+            
+        }
+        
+        
+        
+        
+        
+        
+        
+    }
 }