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

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