* @copyright 2007-2011 PrestaShop SA * @version Release: $Revision: 6961 $ * @license http://opensource.org/licenses/afl-3.0.php Academic Free License (AFL 3.0) * International Registered Trademark & Property of PrestaShop SA */ if (!defined('_CAN_LOAD_FILES_')) exit; include_once(_PS_CLASS_DIR_.'../tools/pear/PEAR.php'); include_once(_PS_PEAR_XML_PARSER_PATH_.'Parser.php'); class Blockrss extends Module { function __construct() { $this->name = 'blockrss'; $this->tab = 'front_office_features'; $this->need_instance = 0; parent::__construct(); $this->displayName = $this->l('RSS feed block'); $this->description = $this->l('Adds a block displaying an RSS feed.'); $this->version = '1.0'; $this->author = 'PrestaShop'; $this->error = false; $this->valid = false; } function install() { Configuration::updateValue('RSS_FEED_TITLE', $this->l('RSS feed')); Configuration::updateValue('RSS_FEED_NBR', 5); if (parent::install() == false OR $this->registerHook('leftColumn') == false OR $this->registerHook('header') == false) return false; return true; } public function getContent() { $output = '

'.$this->displayName.'

'; if (Tools::isSubmit('submitBlockRss')) { $urlfeed = strval(Tools::getValue('urlfeed')); $title = strval(Tools::getValue('title')); $nbr = (int)(Tools::getValue('nbr')); if ($urlfeed AND !Validate::isUrl($urlfeed)) $errors[] = $this->l('Invalid feed URL'); elseif (!$title OR empty($title) OR !Validate::isGenericName($title)) $errors[] = $this->l('Invalid title'); elseif (!$nbr OR $nbr <= 0 OR !Validate::isInt($nbr)) $errors[] = $this->l('Invalid number of feeds'); else { if (stristr($urlfeed, $_SERVER['HTTP_HOST'].__PS_BASE_URI__)) $errors[] = $this->l('Error: You have selected a feed URL on your own website. Please choose another URL (eg. http://news.google.com/?output=rss).'); Configuration::updateValue('RSS_FEED_URL', $urlfeed); Configuration::updateValue('RSS_FEED_TITLE', $title); Configuration::updateValue('RSS_FEED_NBR', $nbr); } if (isset($errors) AND sizeof($errors)) $output .= $this->displayError(implode('
', $errors)); else $output .= $this->displayConfirmation($this->l('Settings updated')); } else { $errors = array(); if (stristr(Configuration::get('RSS_FEED_URL'), $_SERVER['HTTP_HOST'].__PS_BASE_URI__)) $errors[] = $this->l('Error: You have selected a feed URL on your own website. Please choose another URL (eg. http://news.google.com/?output=rss).'); if (sizeof($errors)) $output .= $this->displayError(implode('
', $errors)); } return $output.$this->displayForm(); } public function displayForm() { $output = '
'.$this->l('Settings').'

'.$this->l('Create a title for the block (default: \'RSS feed\')').'

'.$this->l('Add the URL of the feed you want to use').'

'.$this->l('Number of threads displayed by the block (default value: 5)').'

'; return $output; } function hookLeftColumn($params) { global $smarty; // Conf $title = strval(Configuration::get('RSS_FEED_TITLE')); $url = strval(Configuration::get('RSS_FEED_URL')); $nb = (int)(Configuration::get('RSS_FEED_NBR')); // Getting data $rss_links = array(); if ($url && ($contents = @file_get_contents($url))) if (@$src = new XML_Feed_Parser($contents)) for ($i = 0; $i < ($nb ? $nb : 5); $i++) if (@$item = $src->getEntryByOffset($i)) $rss_links[] = array('title' => $item->title, 'url' => $item->link); // Display smarty $smarty->assign(array('title' => ($title ? $title : $this->l('RSS feed')), 'rss_links' => $rss_links)); return $this->display(__FILE__, 'blockrss.tpl'); } function hookRightColumn($params) { return $this->hookLeftColumn($params); } function hookHeader($params) { Tools::addCSS(($this->_path).'blockrss.css', 'all'); } }