private function getResults(array $options)
{
$result = array();
$res = $this->executeSearch($options['q'], $options['page']);
$result["summary"] = array("total" => udm_get_res_param($res, UDM_PARAM_FOUND), "first" => udm_get_res_param($res, UDM_PARAM_FIRST_DOC), "last" => udm_get_res_param($res, UDM_PARAM_LAST_DOC), "items_on_page" => udm_get_res_param($res, UDM_PARAM_NUM_ROWS), "time" => udm_get_res_param($res, UDM_PARAM_SEARCHTIME), "info" => udm_get_res_param($res, UDM_PARAM_WORDINFO), "page" => $options['page'], "query" => $options['q']);
if ($result["summary"]["items_on_page"] > 0) {
if ($result['summary']['first'] == 1) {
// first page
$result['summary']['items_per_page'] = $result['summary']['items_on_page'];
} else {
$result['summary']['items_per_page'] = ($result['summary']['first'] - 1) / $result['summary']['page'];
}
$result["summary"]["number_of_pages"] = ceil($result["summary"]["total"] / $result["summary"]["items_per_page"]);
} else {
// empty set
$result['summary']['items_per_page'] = 0;
$result["summary"]["number_of_pages"] = 0;
}
$max = $result["summary"]["last"] - $result["summary"]["first"] + 1;
$result["results"] = array();
if ($result["summary"]["total"] > 0) {
$udm_highlighter = array(chr(2), chr(3));
$html_highlighter = array('<b style="color:red;">', '</b>');
for ($i = 0; $i < $max; $i++) {
//udm_make_excerpt($udm, $res, $i);
$result["results"][] = array("title" => str_replace($udm_highlighter, $html_highlighter, udm_get_res_field($res, $i, UDM_FIELD_TITLE)), "url" => udm_get_res_field($res, $i, UDM_FIELD_URL), "type" => udm_get_res_field($res, $i, UDM_FIELD_CONTENT), "date" => strtotime(udm_get_res_field($res, $i, UDM_FIELD_MODIFIED)), "rating" => udm_get_res_field($res, $i, UDM_FIELD_RATING), "context" => str_replace($udm_highlighter, $html_highlighter, html_entity_decode(udm_get_res_field($res, $i, UDM_FIELD_TEXT), ENT_QUOTES, 'UTF-8')));
}
}
udm_free_res($res);
return $result;
}
function search()
{
include_once 'HTTP/Header.php';
$header = new HTTP_Header();
$search = htmlentities($this->getParam('search'));
$html = '';
$this->set('request_uri', NServer::env('PHP_SELF'));
$this->set('search', $search);
$html .= $this->render(array('action' => 'search_form', 'return' => true));
if ($search && function_exists('udm_alloc_agent')) {
$current_page = $this->getParam('page') ? (int) $this->getParam('page') : 0;
// instantiate the search agent
$udm_agent = udm_alloc_agent(DB_DSN_SEARCH);
$page_size = 10;
// pull in the stopwords and remove them from the query
$stopfile = defined('MNOGO_STOPFILE') ? constant('MNOGO_STOPFILE') : '/usr/local/mnogosearch/etc/stopwords/en.huge.sl';
$tmp = file($stopfile);
$stopwords = array();
for ($i = 0; $i < count($tmp); $i++) {
$tmp[$i] = trim($tmp[$i]);
if (!$tmp[$i] || preg_match('/^(#|Language:|Charset:)/', $tmp[$i])) {
continue;
}
$stopwords[] = $tmp[$i];
}
unset($tmp);
$stopped_words = array();
foreach ($stopwords as $stopword) {
if (($tmp_search = preg_replace("/\\b{$stopword}\\b/", '', $search)) != $search) {
$stopped_words[] = $stopword;
$search = str_replace(' ', ' ', $tmp_search);
}
}
// set some values
// paging values
udm_set_agent_param($udm_agent, UDM_PARAM_PAGE_SIZE, $page_size);
udm_set_agent_param($udm_agent, UDM_PARAM_PAGE_NUM, $current_page);
udm_set_agent_param($udm_agent, UDM_PARAM_QUERY, $search);
udm_set_agent_param($udm_agent, UDM_PARAM_STOPFILE, $stopfile);
// perform the search
$res = udm_find($udm_agent, $search);
// get search result values
$total_rows = udm_get_res_param($res, UDM_PARAM_FOUND);
$total_rows = $total_rows > 0 ? $total_rows - 1 : $total_rows;
$page_rows = udm_get_res_param($res, UDM_PARAM_NUM_ROWS);
$first_doc = udm_get_res_param($res, UDM_PARAM_FIRST_DOC);
$last_doc = udm_get_res_param($res, UDM_PARAM_LAST_DOC);
$total_pages = ceil($total_rows / $page_size);
// set general template values
$this->set('rows', $total_rows);
$template_pages = array();
for ($i = 0; $i < $total_pages; $i++) {
$template_pages[] = $i + 1;
}
$search_url = NServer::env('PHP_SELF') . '?search=' . $search . '&page=';
$this->set('stopped_words', $stopped_words);
$this->set('search_url', $search_url);
$this->set('current_page', $current_page);
$this->set('pages', $template_pages);
$this->set('previous_page', $current_page > 0 ? $current_page - 1 : -1);
$this->set('next_page', $current_page + 1 < $total_pages ? $current_page + 1 : -1);
// gather the results and pass them to the template
$items = array();
for ($i = 0; $i < $page_rows; $i++) {
$item['title'] = udm_get_res_field($res, $i, UDM_FIELD_TITLE);
$item['url'] = udm_get_res_field($res, $i, UDM_FIELD_URL);
$item['text'] = udm_get_res_field($res, $i, UDM_FIELD_TEXT);
$item['size'] = udm_get_res_field($res, $i, UDM_FIELD_SIZE);
$item['filesize'] = udm_get_res_field($res, $i, UDM_FIELD_SIZE);
if ($item['filesize']) {
$item['filesize'] = NFilesystem::filesize_format($item['filesize']);
}
$item['rating'] = udm_get_res_field($res, $i, UDM_FIELD_RATING);
$item['title'] = $item['title'] ? $this->cleanupItem(htmlspecialchars($item['title'])) : basename($item['url']);
$item['text'] = $this->cleanupItem($item['text']);
$items[] = $item;
}
$this->set('items', $items);
$html .= $this->render(array('action' => 'found_items', 'return' => true));
udm_free_res($res);
udm_free_agent($udm_agent);
} else {
$html .= '<p>You have not entered any search queries - please enter one in the form above.</p>';
}
return $html;
}
