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