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<?php
/**
* A bare-bones twitter client in a Horde block.
*
* Copyright 2009-2016 Horde LLC (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL-2). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl.
*
* @author Ben Klang <ben@alkaloid.net>
* @author Michael J Rubinsky <mrubinsk@horde.org>
* @package Horde
*/
class Horde_Block_TwitterTimeline extends Horde_Core_Block
{
/**
* @var Horde_Service_Twitter
*/
protected $_twitter;
/**
* Twitter profile information returned from verify_credentials
*
* @var Object
*/
protected $_profile;
/**
*/
public function __construct($app, $params = array())
{
parent::__construct($app, $params);
$this->enabled = !empty($GLOBALS['conf']['twitter']['enabled']);
$this->_name = _("Twitter Timeline");
}
/**
*/
protected function _title()
{
try {
$twitter = $this->_getTwitterObject();
} catch (Horde_Exception $e) {
return $this->getName();
}
try {
$this->_profile = Horde_Serialize::unserialize($twitter->account->verifyCredentials(), Horde_Serialize::JSON);
if (!empty($this->_profile)) {
$username = $this->_profile->screen_name;
return sprintf(_("Twitter Timeline for %s"), $username);
}
} catch (Horde_Service_Twitter_Exception $e) {}
return $this->getName();
}
/**
*/
protected function _params()
{
return array(
'height' => array(
'name' => _("Height of stream content (width automatically adjusts to block)"),
'type' => 'int',
'default' => 350
),
'refresh_rate' => array(
'name' => _("Number of seconds to wait to refresh"),
'type' => 'int',
'default' => 300
)
);
}
/**
*/
protected function _content()
{
global $page_output;
/* Get the twitter driver */
try {
$twitter = $this->_getTwitterObject();
} catch (Horde_Exception $e) {
throw new Horde_Exception(sprintf(_("There was an error contacting Twitter: %s"), $e->getMessage()));
}
/* Get a unique ID in case we have multiple Twitter blocks. */
$instance = (string)new Horde_Support_Randomid();
/* Latest status */
if (empty($this->_profile->status)) {
// status might not be set if only updating the block via ajax
try {
$this->_profile = Horde_Serialize::unserialize($twitter->account->verifyCredentials(), Horde_Serialize::JSON);
if (empty($this->_profile)) {
return _("Temporarily unable to contact Twitter. Please try again later.");
}
} catch (Horde_Service_Twitter_Exception $e) {
$msg = Horde_Serialize::unserialize($e->getMessage(), Horde_Serialize::JSON);
if (is_object($msg)) {
$msg = $msg->errors[0]->message;
}
return sprintf(_("There was an error contacting Twitter: %s"), $msg);
}
}
/* Build values to pass to the javascript twitter client */
$defaultText = addslashes(_("What are you working on now?"));
$endpoint = Horde::url('services/twitter/', true);
$inReplyToNode = $instance . '_inReplyTo';
$inReplyToText = addslashes(_("In reply to:"));
$justNowText = addslashes(_("Just now..."));
$refresh = empty($this->_params['refresh_rate']) ? 300 : $this->_params['refresh_rate'];
/* Add the client javascript / initialize it */
$page_output->addScriptFile('twitterclient.js', 'horde');
$page_output->addScriptFile('scriptaculous/effects.js', 'horde');
$favorite = _("Favorite");
$unfavorite = _("Unfavorite");
$script = <<<EOT
Horde = window.Horde = window.Horde || {};
Horde['twitter{$instance}'] = new Horde_Twitter({
instanceid: '{$instance}',
getmore: '{$instance}_getmore',
input: '{$instance}_newStatus',
spinner: '{$instance}_loading',
content: '{$instance}_stream',
contenttab: '{$instance}_contenttab',
mentiontab: '{$instance}_mentiontab',
mentions: '{$instance}_mentions',
endpoint: '{$endpoint}',
inreplyto: '{$inReplyToNode}',
refreshrate: {$refresh},
counter: '{$instance}_counter',
strings: { inreplyto: '{$inReplyToText}', defaultText: '{$defaultText}', justnow: '{$justNowText}', favorite: '{$favorite}', unfavorite: '{$unfavorite}' }
});
EOT;
$page_output->addInlineScript($script, true);
/* Build the UI */
$view = new Horde_View(array('templatePath' => HORDE_TEMPLATES . '/block'));
$view->addHelper('Tag');
$view->instance = $instance;
$view->defaultText = $defaultText;
$view->loadingImg = Horde_Themes_Image::tag('loading.gif', array(
'attr' => array(
'id' => $instance . '_loading',
'style' => 'display:none;'
)
));
$view->latestStatus = !empty($this->_profile->status) ? htmlspecialchars($this->_profile->status->text) : '';
$view->latestDate = !empty($this->_profile->status) ? Horde_Date_Utils::relativeDateTime(strtotime($this->_profile->status->created_at), $GLOBALS['prefs']->getValue('date_format'), ($GLOBALS['prefs']->getValue('twentyFour') ? "%H:%M" : "%I:%M %P")) : '';
$view->bodyHeight = empty($this->_params['height']) ? 350 : $this->_params['height'];
return $view->render('twitter-layout');
}
/**
*/
protected function _getTwitterObject()
{
$token = unserialize($GLOBALS['prefs']->getValue('twitter'));
if (empty($token['key']) && empty($token['secret'])) {
$pref_link = $GLOBALS['registry']->getServiceLink('prefs', 'horde')->add('group', 'twitter')->link();
throw new Horde_Exception(sprintf(_("You have not properly connected your Twitter account with Horde. You should check your Twitter settings in your %s."), $pref_link . _("preferences") . '</a>'));
}
$this->_twitter = $GLOBALS['injector']->getInstance('Horde_Service_Twitter');
$auth_token = new Horde_Oauth_Token($token['key'], $token['secret']);
$this->_twitter->auth->setToken($auth_token);
return $this->_twitter;
}
}
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