DataObjects/Core_curr_rate.php
[Pman.Core] / DataObjects / Core_curr_rate.php
index 3e558ca..a3b6b6f 100644 (file)
@@ -1,7 +1,90 @@
 <?php
-
-/*
- * To change this template, choose Tools | Templates
- * and open the template in the editor.
+/**
+ * Table Definition for core_curr_rate
  */
-?>
+require_once 'DB/DataObject.php';
+
+class Pman_Core_DataObjects_Core_curr_rate extends DB_DataObject 
+{
+    ###START_AUTOCODE
+    /* the code below is auto generated do not remove the above tag */
+  
+    public $__table = 'core_curr_rate';    // table name
+    public $id;
+    public $curr;
+    public $rate;
+    public $from_dt;
+    public $to_dt;
+
+    /* the code above is auto generated do not remove the tag below */
+    ###END_AUTOCODE
+    
+    function applyFilters($q, $au, $roo)
+    {
+        
+    }
+    
+    /**
+     * 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');
+        $x->whereAdd('from_date > NOW() - INTERVAL 7 DAY');
+        if ($x->count()) {
+            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;
+        $this->rates['VND'] = 26405.3;
+       
+       
+        foreach($dom->Cube->Cube->Cube as $c) {
+           //echo '<PRE>';print_r($c );
+            $this->rates[(string)$c['currency']] = (string)$c['rate'];
+        }
+        $this->rates['RMB'] = $this->rates['CNY'] ;
+        // now try loading from latest..
+        $target = ini_get('session.save_path').'/eurofxref-daily.xml';
+        
+        if (!file_exists($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;
+        $this->rates['VND'] = 26405.3;
+       
+        foreach($dom->Cube->Cube->Cube as $c) {
+           //echo '<PRE>';print_r($c );
+            $this->rates[(string)$c['currency']] = (string)$c['rate'];
+        }
+        $this->rates['RMB'] = $this->rates['CNY'] ;
+    }
+}