<?php

App::uses('AppController', 'Controller');

class RssController extends AppController {

    public $components = array('RequestHandler');

    public function beforeFilter() {

        $this->autoRender = false;

        parent::beforeFilter();
    }

    public function index() {

        $this->response->type('text/xml');
//      $this->RequestHandler->respondAs('xml');
//      $this->RequestHandler->renderAs($this, 'xml');
//      $this->RequestHandler->setContent('xml');
//      $this->RequestHandler->respondAs('xml');
//      $this->RequestHandler->renderAs($this, 'xml');

        $this->channel_properties = array(
            'title' => 'None',
            'link' => 'http://www.example.com',
            'description' => 'None',
        );

        if ($this->request->query('feed_id') && $this->request->query('user_id')) {
            $this->loadModel('Feeds');
            $res = $this->Feeds->findAllByFeedIdAndUserAttribution($this->request->query('feed_id'), $this->request->query('user_id'));
            if ($res) {
                foreach($res AS $entry) {
                    preg_match_all('/<a.*?>(.*?)<\/a>/', $entry['Feeds']['feed'], $matches);
                    if (isset($matches[0])) {
                        foreach($matches[0] AS $key => $link) {
                            if (stripos($link, 'vine.co') !== false) {
                                unset($matches[0][$key]);
                            }
                        }
                        $matches[0][] = '[]';
                        $entry['Feeds']['feed'] = str_replace($matches[0], '', $entry['Feeds']['feed']);
                    }

                    $feed[] = array(
                        'title' => 'No Name',
                        'link' => 'http://www.example.com',
                        'description' => $entry['Feeds']['feed'],
                        'pubDate' => $entry['Feeds']['date_dt'],
//                      'category' => $entry['Feeds']['date_dt']
                    );
                }

                $this->_createFeed($feed);
            }
        }
    }

    private function _createFeed($feed) {

        $xml = '<?xml version="1.0" encoding="utf-8"?>' . "\n";

        $xml .= '<rss version="2.0"' . $this->xmlns . '>' . "\n";

        // channel required properties
        $xml .= '<channel>' . "\n";
        $xml .= '<title>' . $this->channel_properties["title"] . '</title>' . "\n";
        $xml .= '<link>' . $this->channel_properties["link"] . '</link>' . "\n";
        $xml .= '<description>' . $this->channel_properties["description"] . '</description>' . "\n";

        // channel optional properties
        if (array_key_exists("language", $this->channel_properties)) {
            $xml .= '<language>' . $this->channel_properties["language"] . '</language>' . "\n";
        }
        if (array_key_exists("image_title", $this->channel_properties)) {
            $xml .= '<image>' . "\n";
            $xml .= '<title>' . $this->channel_properties["image_title"] . '</title>' . "\n";
            $xml .= '<link>' . $this->channel_properties["image_link"] . '</link>' . "\n";
            $xml .= '<url>' . $this->channel_properties["image_url"] . '</url>' . "\n";
            $xml .= '</image>' . "\n";
        }

        // get RSS channel items
//      $now = date("YmdHis"); // get current time  // configure appropriately to your environment

        foreach ($feed as $rss_item) {
            $xml .= '<item>' . "\n";
            $xml .= '<title>' . $rss_item['title'] . '</title>' . "\n";
            $xml .= '<link>' . $rss_item['link'] . '</link>' . "\n";
            $xml .= '<description><![CDATA[' . ($rss_item['description']) . ']]></description>' . "\n";
            $xml .= '<pubDate>' . $rss_item['pubDate'] . '</pubDate>' . "\n";
//          $xml .= '<category>' . $rss_item['category'] . '</category>' . "\n";
//          $xml .= '<source>' . $rss_item['source'] . '</source>' . "\n";

            if ($this->full_feed) {
                $xml .= '<content:encoded>' . $rss_item['content'] . '</content:encoded>' . "\n";
            }

            $xml .= '</item>' . "\n";
        }

        $xml .= '</channel>';

        $xml .= '</rss>';

        echo $xml;
    }

}