streams/Code/Module/Notifications.php

<?php

namespace Code\Module;

use Code\Web\Controller;
use Code\Lib\Navbar;
use Code\Render\Theme;


require_once('include/bbcode.php');

class Notifications extends Controller
{

    public function get()
    {

        if (!local_channel()) {
            notice(t('Permission denied.') . EOL);
            return '';
        }


        Navbar::set_selected('Notifications');

        $o = '';
        $notif_content = '';
        $notifications_available = false;

        $n = q(
            "select count(*) as total from notify where uid = %d and seen = 0",
            intval(local_channel())
        );
        if ($n && intval($n[0]['total']) > 49) {
            $r = q(
                "select * from notify where uid = %d
				and seen = 0 order by created desc limit 50",
                intval(local_channel())
            );
        } else {
            $r1 = q(
                "select * from notify where uid = %d
				and seen = 0 order by created desc limit 50",
                intval(local_channel())
            );

            $r2 = q(
                "select * from notify where uid = %d
				and seen = 1 order by created desc limit %d",
                intval(local_channel()),
                intval(50 - intval($n[0]['total']))
            );
            $r = array_merge($r1, $r2);
        }

        if ($r) {
            $notifications_available = true;
            foreach ($r as $rr) {
                $x = strip_tags(bbcode($rr['msg']));
                $notif_content .= replace_macros(Theme::get_template('notify.tpl'), [
                    '$item_link' => z_root() . '/notify/view/' . $rr['id'],
                    '$item_image' => $rr['photo'],
                    '$item_text' => $x,
                    '$item_when' => relative_date($rr['created']),
                    '$item_seen' => (bool)$rr['seen'],
                    '$new' => t('New')
                ]);
            }
        } else {
            $notif_content = t('No more system notifications.');
        }

        $o .= replace_macros(Theme::get_template('notifications.tpl'), [
            '$notif_header' => t('System Notifications'),
            '$notif_link_mark_seen' => t('Mark all seen'),
            '$notif_content' => $notif_content,
            '$notifications_available' => $notifications_available,
        ]);

        return $o;
    }
}