/**
* Save metagen's blacklist words
*/
function MetagenBlackList()
{
$blacklist = new news_blacklist();
$words = $blacklist->getAllKeywords();
if (isset($_POST['go']) && $_POST['go'] == _AM_DELETE) {
foreach ($_POST['blacklist'] as $black_id) {
$blacklist->delete($black_id);
}
$blacklist->store();
} else {
if (isset($_POST['go']) && $_POST['go'] == _AM_ADD) {
$p_keywords = $_POST['keywords'];
$keywords = explode("\n", $p_keywords);
foreach ($keywords as $keyword) {
if (xoops_trim($keyword) != '') {
$blacklist->addkeywords(xoops_trim($keyword));
}
}
$blacklist->store();
}
}
redirect_header('index.php?op=metagen', 0, _AM_DBUPDATED);
}
/**
* Create the meta keywords based on the content
*
* @package News
* @author Instant Zero (http://xoops.instant-zero.com)
* @copyright (c) Instant Zero
*/
function news_createmeta_keywords($content)
{
include XOOPS_ROOT_PATH . '/modules/news/config.php';
include_once XOOPS_ROOT_PATH . '/modules/news/class/blacklist.php';
include_once XOOPS_ROOT_PATH . '/modules/news/class/registryfile.php';
if (!$cfg['meta_keywords_auto_generate']) {
return '';
}
$registry = new news_registryfile('news_metagen_options.txt');
$tcontent = '';
$tcontent = $registry->getfile();
if (xoops_trim($tcontent) != '') {
list($keywordscount, $keywordsorder) = explode(',', $tcontent);
} else {
$keywordscount = $cfg['meta_keywords_count'];
$keywordsorder = $cfg['meta_keywords_order'];
}
$tmp = array();
// Search for the "Minimum keyword length"
if (isset($_SESSION['news_keywords_limit'])) {
$limit = $_SESSION['news_keywords_limit'];
} else {
$config_handler =& xoops_gethandler('config');
$xoopsConfigSearch =& $config_handler->getConfigsByCat(XOOPS_CONF_SEARCH);
$limit = $xoopsConfigSearch['keyword_min'];
$_SESSION['news_keywords_limit'] = $limit;
}
$myts =& MyTextSanitizer::getInstance();
$content = str_replace("<br />", " ", $content);
$content = $myts->undoHtmlSpecialChars($content);
$content = strip_tags($content);
$content = strtolower($content);
$search_pattern = array(" ", "\t", "\r\n", "\r", "\n", ",", ".", "'", ";", ":", ")", "(", '"', '?', '!', '{', '}', '[', ']', '<', '>', '/', '+', '-', '_', '\\', '*');
$replace_pattern = array(' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '');
$content = str_replace($search_pattern, $replace_pattern, $content);
$keywords = explode(' ', $content);
switch ($keywordsorder) {
case 0:
// Ordre d'apparition dans le texte
$keywords = array_unique($keywords);
break;
case 1:
// Ordre de fréquence des mots
$keywords = array_count_values($keywords);
asort($keywords);
$keywords = array_keys($keywords);
break;
case 2:
// Ordre inverse de la fréquence des mots
$keywords = array_count_values($keywords);
arsort($keywords);
$keywords = array_keys($keywords);
break;
}
// Remove black listed words
$metablack = new news_blacklist();
$words = $metablack->getAllKeywords();
$keywords = $metablack->remove_blacklisted($keywords);
foreach ($keywords as $keyword) {
if (strlen($keyword) >= $limit && !is_numeric($keyword)) {
$tmp[] = $keyword;
}
}
$tmp = array_slice($tmp, 0, $keywordscount);
if (count($tmp) > 0) {
return implode(',', $tmp);
} else {
if (!isset($config_handler) || !is_object($config_handler)) {
$config_handler =& xoops_gethandler('config');
}
$xoopsConfigMetaFooter =& $config_handler->getConfigsByCat(XOOPS_CONF_METAFOOTER);
if (isset($xoopsConfigMetaFooter['meta_keywords'])) {
return $xoopsConfigMetaFooter['meta_keywords'];
} else {
return '';
}
}
}
