<?php
/**
* RssBridgeTwitter 
* Based on https://github.com/mitsukarenai/twitterbridge-noapi
*
* @name Twitter Bridge
* @description Returns user timelines or keyword search from http://twitter.com without using their API.
* @use1(q="keyword")
* @use2(u="username")
*/
class TwitterBridge extends BridgeAbstract{

    public function collectData(array $param){
        $html = '';
        if (isset($param['q'])) {   /* keyword search mode */
            $html = file_get_html('http://twitter.com/search/realtime?q='.urlencode($param['q']).'+include:retweets&src=typd') or $this->returnError('No results for this query.', 404);
        }
        elseif (isset($param['u'])) {   /* user timeline mode */
            $html = file_get_html('http://twitter.com/'.urlencode($param['u'])) or $this->returnError('Requested username can\'t be found.', 404);
        }
        else {
            $this->returnError('You must specify a keyword (?q=...) or a Twitter username (?u=...).', 400);
        }

        foreach($html->find('div.tweet') as $tweet) {
            $item = new \Item();
            $item->username = trim(substr($tweet->find('span.username', 0)->plaintext, 1));	// extract username and sanitize
            $item->fullname = $tweet->getAttribute('data-name'); // extract fullname (pseudonym)
            $item->avatar = $tweet->find('img', 0)->src;	// get avatar link
            $item->id = $tweet->getAttribute('data-tweet-id');	// get TweetID
            $item->uri = 'https://twitter.com'.$tweet->find('a.details', 0)->getAttribute('href');	// get tweet link
            $item->timestamp = $tweet->find('span._timestamp', 0)->getAttribute('data-time');	// extract tweet timestamp
            $item->content = str_replace('href="/', 'href="https://twitter.com/', strip_tags($tweet->find('p.tweet-text', 0)->innertext, '<a>'));	// extract tweet text
            $item->title = $item->fullname . ' (@'. $item->username . ') | ' . $item->content;
            $this->items[] = $item;
        }
    }

    public function getName(){
        return 'Twitter Bridge';
    }

    public function getURI(){
        return 'http://twitter.com';
    }

    public function getCacheDuration(){
        return 300; // 5 minutes
    }
}