80 lines
2.0 KiB
PHP
80 lines
2.0 KiB
PHP
<?php declare(strict_types=1);
|
|
|
|
class AutoComplete extends Extension
|
|
{
|
|
/** @var AutoCompleteTheme */
|
|
protected ?Themelet $theme;
|
|
|
|
public function get_priority(): int
|
|
{
|
|
return 30;
|
|
} // before Home
|
|
|
|
public function onPageRequest(PageRequestEvent $event)
|
|
{
|
|
global $page;
|
|
|
|
if ($event->page_matches("api/internal/autocomplete")) {
|
|
$limit = (int)($_GET["limit"] ?? 0);
|
|
$s = $_GET["s"] ?? "";
|
|
|
|
$res = $this->complete($s, $limit);
|
|
|
|
$page->set_mode(PageMode::DATA);
|
|
$page->set_mime(MimeType::JSON);
|
|
$page->set_data(json_encode($res));
|
|
}
|
|
|
|
$this->theme->build_autocomplete($page);
|
|
}
|
|
|
|
private function complete(string $search, int $limit): array
|
|
{
|
|
global $cache, $database;
|
|
|
|
if (!$search) {
|
|
return [];
|
|
}
|
|
|
|
$search = strtolower($search);
|
|
if (
|
|
$search == '' ||
|
|
$search[0] == '_' ||
|
|
$search[0] == '%' ||
|
|
strlen($search) > 32
|
|
) {
|
|
return [];
|
|
}
|
|
|
|
$cache_key = "autocomplete-$search";
|
|
$limitSQL = "";
|
|
$search = str_replace('_', '\_', $search);
|
|
$search = str_replace('%', '\%', $search);
|
|
$SQLarr = ["search"=>"$search%"]; #, "cat_search"=>"%:$search%"];
|
|
if ($limit !== 0) {
|
|
$limitSQL = "LIMIT :limit";
|
|
$SQLarr['limit'] = $limit;
|
|
$cache_key .= "-" . $limit;
|
|
}
|
|
|
|
$res = $cache->get($cache_key);
|
|
if (!$res) {
|
|
$res = $database->get_pairs(
|
|
"
|
|
SELECT tag, count
|
|
FROM tags
|
|
WHERE LOWER(tag) LIKE LOWER(:search)
|
|
-- OR LOWER(tag) LIKE LOWER(:cat_search)
|
|
AND count > 0
|
|
ORDER BY count DESC
|
|
$limitSQL
|
|
",
|
|
$SQLarr
|
|
);
|
|
$cache->set($cache_key, $res, 600);
|
|
}
|
|
|
|
return $res;
|
|
}
|
|
}
|