<?php
/**
* @brief Rss Widget
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @license https://www.invisioncommunity.com/legal/standards/
* @package Invision Community
* @subpackage Content
* @since 10 Dec 2014
*/
namespace IPS\cms\widgets;
/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
/**
* Rss Widget
*/
class _Rss extends \IPS\Widget\StaticCache
{
/**
* @brief Widget Key
*/
public $key = 'Rss';
/**
* @brief App
*/
public $app = 'cms';
/**
* @brief Plugin
*/
public $plugin = '';
/**
* Specify widget configuration
*
* @param null|\IPS\Helpers\Form $form Form object
* @return null|\IPS\Helpers\Form
*/
public function configuration( &$form=null )
{
if ( $form === null )
{
$form = new \IPS\Helpers\Form;
}
$form->add( new \IPS\Helpers\Form\Text( 'block_rss_import_title', ( isset( $this->configuration['block_rss_import_title'] ) ? $this->configuration['block_rss_import_title'] : NULL ), TRUE ) );
$form->add( new \IPS\Helpers\Form\Url( 'block_rss_import_url', ( isset( $this->configuration['block_rss_import_url'] ) ? $this->configuration['block_rss_import_url'] : NULL ), TRUE ) );
$form->add( new \IPS\Helpers\Form\Number( 'block_rss_import_number', ( isset( $this->configuration['block_rss_import_number'] ) ? $this->configuration['block_rss_import_number'] : 5 ), TRUE ) );
$form->add( new \IPS\Helpers\Form\Number( 'block_rss_import_cache', ( isset( $this->configuration['block_rss_import_cache'] ) ? $this->configuration['block_rss_import_cache'] : 30 ), TRUE, array(), NULL, NULL, \IPS\Member::loggedIn()->language()->addToStack('block_rss_import_cache_suffix') ) );
return $form;
}
/**
* Ran before saving widget configuration
*
* @param array $values Values from form
* @return array
*/
public function preConfig( $values )
{
$values['block_rss_import_url'] = (string) $values['block_rss_import_url'];
return $values;
}
/**
* Render a widget
*
* @return string
*/
public function render()
{
if ( ! isset( $this->configuration['block_rss_import_url'] ) )
{
return '';
}
$key = "cms_rss_import_" . md5( json_encode( $this->configuration ) );
if ( isset( \IPS\Data\Store::i()->$key ) )
{
$cache = \IPS\Data\Store::i()->$key;
if ( isset( $cache['time'] ) and isset( $cache['items'] ) and $cache['time'] > ( time() - ( $this->configuration['block_rss_import_cache'] * 60 ) ) )
{
return $this->output( $cache['items'], $this->configuration['block_rss_import_title'] );
}
}
/* Still here? Best grab the data then */
try
{
$request = \IPS\Http\Url::external( $this->configuration['block_rss_import_url'] )->request()->get();
$i = 0;
$items = array();
if( $request )
{
foreach ( $request->decodeXml()->articles() as $guid => $article )
{
if ( isset( $article['title'] ) and isset( $article['link'] ) )
{
$items[ $guid ] = array(
'title' => $article['title'],
'content' => \IPS\Text\Parser::parseStatic( $article['content'], TRUE, NULL, new \IPS\Member ),
'link' => (string) $article['link'],
'date' => ( $article['date'] instanceof \IPS\DateTime ) ? $article['date']->getTimestamp() : $article['date']
);
}
$i++;
if ( $i >= $this->configuration['block_rss_import_number'] )
{
break;
}
}
}
}
catch( \Exception $e )
{
$items = array();
}
\IPS\Data\Store::i()->$key = array( 'time' => time(), 'items' => $items );
return $this->output( $items, $this->configuration['block_rss_import_title'] );
}
}