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<?php
/**
* @package com_zoo
* @author YOOtheme http://www.yootheme.com
* @copyright Copyright (C) YOOtheme GmbH
* @license http://www.gnu.org/licenses/gpl.html GNU/GPL
*/
/**
* Twitter helper class.
*
* @package Component.Helpers
* @since 2.0
*/
class TwitterHelper extends AppHelper {
/**
* Get Twitter Client.
*
* @param Application The application to get params from
*
* @return Twitter|null The Twitter client
* @since 2.0
*/
public function client($application = null) {
// get application
if (!$application) {
$application = $this->app->zoo->getApplication();
}
// get comment params
$params = $this->app->parameter->create()->loadArray($application ? $application->getParams()->get('global.comments.') : array());
if (!function_exists('curl_init')) {
return null;
}
// load twitter classes
$this->app->loader->register('TwitterOAuth', 'libraries:twitter/twitteroauth.php');
$oauth_token = null;
$oauth_token_secret = null;
if (isset($_SESSION['twitter_oauth_token'], $_SESSION['twitter_oauth_token_secret'])) {
$oauth_token = $_SESSION['twitter_oauth_token'];
$oauth_token_secret = $_SESSION['twitter_oauth_token_secret'];
}
// Build TwitterOAuth object with client credentials.
return new TwitterOAuth($params->get('twitter_consumer_key'), $params->get('twitter_consumer_secret'), $oauth_token, $oauth_token_secret);
}
/**
* Get Twitter Fields.
*
* @param string $t_uid Twitter user id
* @param array $fields Fields to acquire
* @param Application The application to get params from
*
* @return array The fields
* @since 2.0
*/
public function fields($t_uid, $fields = null, $application = null) {
try {
$connection = $this->client($application);
if ($connection) {
$infos = $connection->get('users/show.json?user_id='.$t_uid.'&include_entities=true');
if (is_object($infos)) {
if (is_array($fields)) {
return array_intersect_key((array) $infos, array_flip($fields));
} else {
return (array) $infos;
}
}
}
} catch (Exception $e) {}
}
/**
* Logout from Twitter.
*
* @return self
* @since 2.0
*/
public function logout() {
// remove access token from session
$_SESSION['twitter_oauth_token'] = null;
$_SESSION['twitter_oauth_token_secret'] = null;
return $this;
}
}