UpdateCurrencyRate.php
[Pman.Core] / 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()
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             $this->jok("DONE");
98         }
99         
100         $this->jok("DONE");
101         
102     }
103     
104     function processCurrRate($currency, $rate, $from, $to)
105     {
106         $curr = DB_DataObject::factory('core_curr_rate');
107             
108         $curr->curr = $currency;
109
110         $o = false;
111
112         if($curr->find(true)){
113             $o = clone($curr);
114         }
115
116         $curr->setFrom(array(
117             'rate'  => $rate,
118             'from_dt'  => date('Y-m-d H:i:s', strtotime($from)),
119             'to_dt'    => date('Y-m-d H:i:s', strtotime($to))
120         ));
121
122         (empty($o)) ? $curr->insert() : $curr->update($o);
123         
124         return;
125     }
126     
127     function curl($url, $request = array(), $method = 'GET') 
128     {
129          
130         if(is_array($request)){
131             $request = http_build_query($request);
132         }
133         
134         $url = $url . ($method == 'GET' ? "?" . $request : '');  
135         $ch = curl_init($url);
136         
137         if ($method == 'POST') {
138             curl_setopt($ch, CURLOPT_POST, 1);
139             curl_setopt($ch, CURLOPT_POSTFIELDS, $request);
140             curl_setopt($ch, CURLOPT_HTTPHEADER,
141                     array("Content-Type: application/x-www-form-urlencoded", "Content-Length: " . strlen($request)));
142         }
143         
144         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
145         
146         curl_setopt($ch, CURLOPT_HEADER, false);
147         curl_setopt($ch, CURLOPT_VERBOSE, 1);
148         curl_setopt($ch, CURLOPT_TIMEOUT, 30);
149         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
150
151         $response = curl_exec($ch);
152
153         curl_close($ch);
154         
155         return $response;
156     }
157     
158     /*
159     lang:en
160     result:1
161     date1:10/14/14
162     date:10/20/14
163     date_fmt:us
164     exch:USD
165     exch2:
166     expr:EUR
167     expr2:
168     margin_fixed:0
169     format:HTML
170     SUBMIT:Get Table
171     */
172 }