yandex

<?php
/*
 * Prepare data for feed
 */

 
class DataSource {
    public function items()
    {
        $data = array();
        $data[0]['internal-id'] = 1;
        $data[0]['type']='type';
        $data[0]['property-type'] = 'type';
        $data[0]['category']='cat';
        $data[0]['url'] = 'url';
        $data[0]['creation-date'] = '2010-11-13T12:32:45+04:00';
        $data[0]['country'] = 'cou';
        $data[0]['locality-name'] = 'loc';
        $data[0]['address'] = 'addr';
        $data[0]['phone'] = '123';
        
        return $data;
    }
}


/*
 * XML formating for Yandex Feed
 * Author: Michael Makarenkov
 */


interface FeedFactory {

    public function create();
}

class YandexFactory implements FeedFactory {

    public function create() {
        return new Yandex();
    }

}

abstract class Feed {

    var $fileDescriptor;

    public function writeHeader(){}

    public function writeFooter(){}

    public function writeItem(){}
}

class Yandex extends Feed {

    public function __construct() {
        $this->fileDescriptor = fopen("ya_feed.xml", "w");
        $this->writeHeader();
        
        $dataSource = new DataSource();
        /*
         * $data should be array data
         */
        foreach($dataSource->items() as $data) {
            $this->writeItem($data);
        }
        
        $this->writeFooter();
    }

    public function writeHeader() {
        $str = '<?xml version="1.0" encoding="UTF-8"?>
            <realty-feed xmlns="http://webmaster.yandex.ru/schemas/feed/realty/2010-06">
            <generation-date>'.date('Y-m-d',time()).'T'.date('H:i:s',time()).'+04:00</generation-date>';
        fwrite($this->fileDescriptor, $str);
    }

    public function writeFooter() {
        $str = '</realty-feed>';
        fwrite($this->fileDescriptor, $str);
        fclose($this->fileDescriptor);
    }
    
    public function writeItem($data) {
        $str = '<offer internal-id="'.$data['internal-id'].'">
        <type>'.$data['type'].'</type>
        <property-type>'.$data['property-type'].'</property-type>
        <category>'.$data['category'].'</category>

        <url>'.$data['url'].'</url>
        <creation-date>'.$data['creation-date'].'</creation-date>

        <location>
            <country>'.$data['country'].'</country>
            <locality-name>'.$data['locality-name'].'</locality-name>
            <address>'.$data['address'].'</address>
        </location>
        <sales-agent>
            <phone>'.$data['phone'].'</phone>
        </sales-agent>
        </offer>';
        fwrite($this->fileDescriptor, $str);
    }

}

class Application {

    public function __construct(FeedFactory $ef) {
        $feedObj = $ef->create();

    }

}

class ApplicationRunner {

    public static function run() {
        $feed = new YandexFactory();
        new Application($feed);
    }

}

ApplicationRunner::run();