git.roojs.org Git - Pman.Core/blob - UpdateCurrencyRate.php

   1 <?php
   2
   3 // note this no longer works
   4
   5
   6 require_once 'Pman.php';
   7
   8 class Pman_Core_UpdateCurrencyRate extends Pman
   9 {
  10
  11     static $cli_desc = "Update Currency Exchange Rate";
  12
  13     static $cli_opts = array();
  14
  15     var $cli = false;
  16
  17     var $actionUrl = 'http://www.oanda.com/currency/historical-rates-classic';
  18
  19     var $mapping = array(
  20         'CNY' => 'RMB'
  21     );
  22
  23     function getAuth()
  24     {
  25         $ff = HTML_FlexyFramework::get();
  26         if (!empty($ff->cli)) {
  27             $this->cli = true;
  28             return true;
  29         }
  30
  31         die("NOT ALLOWED");
  32     }
  33
  34     function get($args, $opts)
  35     {
  36         $currency = array();
  37
  38         $response = $this->curl($this->actionUrl, array(), 'GET');
  39
  40         libxml_use_internal_errors (true);
  41
  42         $doc = new DOMDocument();
  43         $doc->loadHTML($response);
  44
  45         libxml_use_internal_errors (false);
  46
  47         $xpath = new DOMXpath($doc);
  48
  49         $elements = $xpath->query("//select[@name='exch']/option");
  50
  51         foreach($elements as $el) {
  52             $currency[] = $el->getAttribute('value');
  53         }
  54
  55         if(empty($currency)){
  56             die('no any currency');
  57         }
  58
  59         $fromDate = date('m/d/y', strtotime("-6 MONTH"));
  60         $toDate = date('m/d/y');
  61
  62         $total = count($currency);
  63
  64         foreach ($currency as $k => $c){
  65
  66             echo "\nProcessing Currency : $c ($k / $total) \n";
  67
  68             $params = array(
  69                 'lang'          => 'en',
  70                 'result'        => 1,
  71                 'date1'         => $fromDate,
  72                 'date'          => $toDate,
  73                 'date_fmt'      => 'us',
  74                 'exch'          => $c,
  75                 'expr'          => 'USD',
  76                 'margin_fixed'  => 0,
  77                 'format'        => 'HTML'
  78             );
  79
  80             $response = $this->curl($this->actionUrl, $params, 'POST');
  81
  82             libxml_use_internal_errors (true);
  83
  84             $doc = new DOMDocument();
  85             $doc->loadHTML($response);
  86
  87             libxml_use_internal_errors (false);
  88
  89             $xpath = new DOMXpath($doc);
  90
  91             $elements = $xpath->query("//td[@id='content_section']/table/tr[last()]/td/table/tr[1]/td[last()]");
  92
  93             $rate = empty($elements->item(0)->nodeValue) ? 0 : $elements->item(0)->nodeValue * 1;
  94
  95             $this->processCurrRate($c, $rate, $fromDate, $toDate);
  96
  97             if(array_key_exists($c, $this->mapping)){
  98                 $this->processCurrRate($this->mapping[$c], $rate, $fromDate, $toDate);
  99             }
 100         }
 101
 102         return;
 103     }
 104
 105     function processCurrRate($currency, $rate, $from, $to)
 106     {
 107         $curr = DB_DataObject::factory('core_curr_rate');
 108
 109         $curr->curr = $currency;
 110
 111         $o = false;
 112
 113         if($curr->find(true)){
 114             $o = clone($curr);
 115         }
 116
 117         $curr->setFrom(array(
 118             'rate'  => $rate,
 119             'from_dt'  => date('Y-m-d H:i:s', strtotime($from)),
 120             'to_dt'    => date('Y-m-d H:i:s', strtotime($to))
 121         ));
 122
 123         (empty($o)) ? $curr->insert() : $curr->update($o);
 124
 125         return;
 126     }
 127
 128     function curl($url, $request = array(), $method = 'GET')
 129     {
 130
 131         if(is_array($request)){
 132             $request = http_build_query($request);
 133         }
 134
 135         $url = $url . ($method == 'GET' ? "?" . $request : '');
 136         $ch = curl_init($url);
 137
 138         if ($method == 'POST') {
 139             curl_setopt($ch, CURLOPT_POST, 1);
 140             curl_setopt($ch, CURLOPT_POSTFIELDS, $request);
 141             curl_setopt($ch, CURLOPT_HTTPHEADER,
 142                     array("Content-Type: application/x-www-form-urlencoded", "Content-Length: " . strlen($request)));
 143         }
 144
 145         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
 146
 147         curl_setopt($ch, CURLOPT_HEADER, false);
 148         curl_setopt($ch, CURLOPT_VERBOSE, 1);
 149         curl_setopt($ch, CURLOPT_TIMEOUT, 30);
 150         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 151
 152         $response = curl_exec($ch);
 153
 154         curl_close($ch);
 155
 156         return $response;
 157     }
 158
 159 }