<?php
include_once(_PS_CLASS_DIR_.'PEAR.php');
include_once(_PS_PEAR_XML_PARSER_PATH_.'Parser.php');
class Blockrss extends Module
{
function __construct()
{
$this->name = 'blockrss';
$this->tab = 'Blocks';
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->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)
return false;
return true;
}
public function getContent()
{
$output = '<h2>'.$this->displayName.'</h2>';
if (Tools::isSubmit('submitBlockRss'))
{
$urlfeed = strval(Tools::getValue('urlfeed'));
$title = strval(Tools::getValue('title'));
$nbr = intval(Tools::getValue('nbr'));
if ($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[] = $this->l('Invalid number of feeds');
elseif (stristr($urlfeed, $_SERVER['HTTP_HOST'].__PS_BASE_URI__))
$errors[] = $this->l('You cannot select your own RSS feed');
else
{
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('<br />', $errors));
else
$output .= $this->displayConfirmation($this->l('Settings updated'));
}
return $output.$this->displayForm();
}
public function displayForm()
{
$output = '
<form action="'.$_SERVER['REQUEST_URI'].'" method="post">
<fieldset><legend><img src="'.$this->_path.'logo.gif" alt="" title="" />'.$this->l('Settings').'</legend>
<label>'.$this->l('Block title').'</label>
<div class="margin-form">
<input type="text" name="title" value="'.Tools::getValue('title', Configuration::get('RSS_FEED_TITLE')).'" />
<p class="clear">'.$this->l('Create a title for the block (default: \'RSS feed\')').'</p>
</div>
<label>'.$this->l('Add a feed URL').'</label>
<div class="margin-form">
<input type="text" size="85" name="urlfeed" value="'.Tools::getValue('urlfeed', Configuration::get('RSS_FEED_URL')).'" />
<p class="clear">'.$this->l('Add the url of the feed you wan\'t to use').'</p>
</div>
<label>'.$this->l('Number of threads displayed').'</label>
<div class="margin-form">
<input type="text" size="5" name="nbr" value="'.Tools::getValue('nbr', Configuration::get('RSS_FEED_NBR')).'" />
<p class="clear">'.$this->l('The number of threads displayed by the block (default value: 5)').'</p>
</div>
<center><input type="submit" name="submitBlockRss" value="'.$this->l('Save').'" class="button" /></center>
</fieldset>
</form>';
return $output;
}
function hookLeftColumn($params)
{
global $smarty;
// Conf
$title = strval(Configuration::get('RSS_FEED_TITLE'));
$url = strval(Configuration::get('RSS_FEED_URL'));
$nb = intval(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);
}
}
?>