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<?php
/**
* @package Widgetkit
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
/*
Class: TwitterWidgetkitHelper
Twitter helper class
*/
class TwitterWidgetkitHelper extends WidgetkitHelper {
/* type */
public $type;
/* options */
public $options;
/*
Function: Constructor
Class Constructor.
*/
public function __construct($widgetkit) {
parent::__construct($widgetkit);
// init vars
$this->type = strtolower(str_replace('WidgetkitHelper', '', get_class($this)));
$this->options = $this['system']->options;
// create cache
$cache = $this['path']->path('cache:');
if ($cache && !file_exists($cache.'/twitter')) {
mkdir($cache.'/twitter', 0777, true);
}
// register path
$this['path']->register(dirname(__FILE__), $this->type);
}
/*
Function: site
Site init actions
Returns:
Void
*/
public function site() {
// add translations
foreach (array('LESS_THAN_A_MINUTE_AGO', 'ABOUT_A_MINUTE_AGO', 'X_MINUTES_AGO', 'ABOUT_AN_HOUR_AGO', 'X_HOURS_AGO', 'ONE_DAY_AGO', 'X_DAYS_AGO') as $key) {
$translations[$key] = $this['system']->__($key);
}
// add stylesheets/javascripts
$this['asset']->addFile('css', 'twitter:styles/style.css');
$this['asset']->addFile('js', 'twitter:twitter.js');
$this['asset']->addString('js', sprintf('$widgetkit.trans.addDic(%s);', json_encode($translations)));
// rtl
if ($this['system']->options->get('direction') == 'rtl') {
$this['asset']->addFile('css', 'twitter:styles/rtl.css');
}
}
/*
Function: render
Render widget on site
Returns:
String
*/
public function render($options) {
if ($tweets = $this->_getTweets($options)) {
// get options
extract($options);
return $this['template']->render("twitter:styles/$style/template", compact('tweets', 'show_image', 'show_author', 'show_date', 'image_size'));
}
return 'No tweets found.';
}
/*
Function: _getURL
Create Twitter Query URL
Returns:
String
*/
protected function _getURL($options) {
// get options
extract($options);
// clean options
foreach (array('from_user', 'to_user', 'ref_user', 'word', 'nots', 'hashtag') as $var) {
$$var = preg_replace('/[@#]/', '', preg_replace('/\s+/', ' ', trim($$var)));
}
// build query
$query = array();
if ($from_user) {
$query[] = 'from:'.str_replace(' ', ' OR from:', $from_user);
}
if ($to_user) {
$query[] = 'to:'.str_replace(' ', ' OR to:', $to_user);
}
if ($ref_user) {
$query[] = '@'.str_replace(' ', ' @', $ref_user);
}
if ($word) {
$query[] = $word;
}
if ($nots) {
$query[] = '-'.str_replace(' ', ' -', $nots);
}
if ($hashtag) {
$query[] = '#'.str_replace(' ', ' #', $hashtag);
}
$limit = min($limit ? intval($limit) : 5, 100);
// build timeline url
if ($from_user && !strpos($from_user, ' ') && count($query) == 1) {
$url = 'http://api.twitter.com/1/statuses/user_timeline/'.strtolower($from_user).'.json';
if ($limit > 15) {
$url .= '?count='.$limit;
}
return $url;
}
// build search url
if (count($query)) {
$url = 'http://search.twitter.com/search.json?q='.urlencode(implode(' ', $query));
if ($limit > 15) {
$url .= '&rpp='.$limit;
}
return $url;
}
return null;
}
/*
Function: _getTweets
Get Tweet Object Array
Returns:
Array
*/
protected function _getTweets($options) {
// init vars
$tweets = array();
$response = '';
// query twitter
if ($url = $this->_getURL($options)) {
if ($path = $this['path']->path('cache:twitter')) {
$file = rtrim($path, '/').sprintf('/twitter-%s.php', md5($url));
// is cached ?
if (file_exists($file)) {
$response = file_get_contents($file);
}
// refresh cache ?
if (!file_exists($file) || (time() - filemtime($file)) > 300) {
// send query
$request = $this['http']->get($url);
if (isset($request['status']['code']) && $request['status']['code'] == 200) {
$response = $request['body'];
}
file_put_contents($file, $response);
}
}
}
// create tweets
if (strlen($response)) {
$response = json_decode($response, true);
if (is_array($response)) {
if (isset($response['results'])) {
foreach ($response['results'] as $res) {
$tweet = new WidgetkitTweet();
$tweet->id = $res['id_str'];
$tweet->user = $res['from_user'];
$tweet->name = $res['from_user'];
$tweet->image = $res['profile_image_url'];
$tweet->text = $res['text'];
$tweet->created_at = $res['created_at'];
$tweets[] = $tweet;
}
} else {
foreach ($response as $res) {
$tweet = new WidgetkitTweet();
$tweet->id = $res['id_str'];
$tweet->user = $res['user']['screen_name'];
$tweet->name = $res['user']['name'];
$tweet->image = $res['user']['profile_image_url'];
$tweet->text = $res['text'];
$tweet->created_at = $res['created_at'];
$tweets[] = $tweet;
}
}
}
}
return array_slice($tweets, 0, $options['limit'] ? intval($options['limit']) : 5);
}
}
/*
Class: WidgetkitTweet
Widgetkit Twitter Tweet.
*/
class WidgetkitTweet {
public $id;
public $user;
public $name;
public $image;
public $text;
public $created_at;
public function getLink() {
return 'http://twitter.com/'.$this->user;
}
public function getStatusLink() {
return 'http://twitter.com/'.$this->user.'/statuses/'.$this->id;
}
public function getText() {
// format text
$text = preg_replace('@(https?://([-\w\.]+)+(/([\w/_\.]*(\?\S+)?(#\S+)?)?)?)@', '<a href="$1">$1</a>', $this->text);
$text = preg_replace('/@(\w+)/', '<a href="http://twitter.com/$1">@$1</a>', $text);
$text = preg_replace('/\s+#(\w+)/', ' <a href="http://search.twitter.com/search?q=%23$1">#$1</a>', $text);
return $text;
}
}
// bind events
$widgetkit = Widgetkit::getInstance();
$widgetkit['event']->bind('site', array($widgetkit['twitter'], 'site'));