streams/Code/Widget/Savedsearch.php

<?php

namespace Code\Widget;

use App;
use Code\Lib\Features;
use Code\Render\Theme;


class Savedsearch implements WidgetInterface
{

    public function widget(array $arguments): string
    {

        if ((!local_channel()) || (!Features::enabled(local_channel(), 'savedsearch'))) {
            return '';
        }

        $search = ((x($_GET, 'netsearch')) ? $_GET['netsearch'] : '');
        if (!$search) {
            $search = ((x($_GET, 'search')) ? $_GET['search'] : '');
        }

        if (x($_GET, 'searchsave') && $search) {
            $r = q(
                "select * from term where uid = %d and ttype = %d and term = '%s' limit 1",
                intval(local_channel()),
                intval(TERM_SAVEDSEARCH),
                dbesc($search)
            );
            if (!$r) {
                q(
                    "insert into term ( uid,ttype,term ) values ( %d, %d, '%s') ",
                    intval(local_channel()),
                    intval(TERM_SAVEDSEARCH),
                    dbesc($search)
                );
            }
        }

        if (x($_GET, 'searchremove') && $search) {
            q(
                "delete from term where uid = %d and ttype = %d and term = '%s'",
                intval(local_channel()),
                intval(TERM_SAVEDSEARCH),
                dbesc($search)
            );
            $search = '';
        }

        $srchurl = App::$query_string;

        $srchurl = rtrim(preg_replace('/searchsave\=[^\&].*?(\&|$)/is', '', $srchurl), '&');
        $srchurl = rtrim(preg_replace('/searchremove\=[^\&].*?(\&|$)/is', '', $srchurl), '&');

        $srchurl = rtrim(preg_replace('/search\=[^\&].*?(\&|$)/is', '', $srchurl), '&');
        $srchurl = rtrim(preg_replace('/submit\=[^\&].*?(\&|$)/is', '', $srchurl), '&');
        $srchurl = str_replace(['?f=', '&f='], ['', ''], $srchurl);


        $hasq = str_contains($srchurl, '?');
        $hasamp = str_contains($srchurl, '&');

        if (($hasamp) && (!$hasq)) {
            $srchurl = substr($srchurl, 0, strpos($srchurl, '&')) . '?f=&' . substr($srchurl, strpos($srchurl, '&') + 1);
        }

        $r = q(
            "select tid,term from term WHERE uid = %d and ttype = %d ",
            intval(local_channel()),
            intval(TERM_SAVEDSEARCH)
        );

        $saved = [];

        if (count($r)) {
            foreach ($r as $rr) {
                $saved[] = [
                    'id' => $rr['tid'],
                    'term' => $rr['term'],
                    'dellink' => z_root() . '/' . $srchurl . (($hasq || $hasamp) ? '' : '?f=') . '&amp;searchremove=1&amp;search=' . urlencode($rr['term']),
                    'srchlink' => z_root() . '/' . $srchurl . (($hasq || $hasamp) ? '' : '?f=') . '&amp;search=' . urlencode($rr['term']),
                    'displayterm' => htmlspecialchars($rr['term'], ENT_COMPAT, 'UTF-8'),
                    'encodedterm' => urlencode($rr['term']),
                    'delete' => t('Remove term'),
                    'selected' => ($search == $rr['term']),
                ];
            }
        }

        $tpl = Theme::get_template("saved_searches.tpl");
        return replace_macros($tpl, [
            '$title' => t('Saved Searches'),
            '$add' => t('add'),
            '$searchbox' => searchbox($search, 'netsearch-box', $srchurl . (($hasq) ? '' : '?f='), true),
            '$saved' => $saved,
        ]);

    }
}