41 lines
1.3 KiB
PHP
41 lines
1.3 KiB
PHP
<?php
|
|
// Generated by setup_mariadb_project.sh — edit as needed.
|
|
define('DB_HOST', '127.0.0.1');
|
|
define('DB_NAME', 'app_38443');
|
|
define('DB_USER', 'app_38443');
|
|
define('DB_PASS', '888f6481-a87b-421a-a4bd-c80fa3c5a57b');
|
|
|
|
function db() {
|
|
static $pdo;
|
|
if (!$pdo) {
|
|
$pdo = new PDO('mysql:host='.DB_HOST.';dbname='.DB_NAME.';charset=utf8mb4', DB_USER, DB_PASS, [
|
|
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
|
|
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
|
|
]);
|
|
}
|
|
return $pdo;
|
|
}
|
|
|
|
function enforceChannelLimit($channel_id) {
|
|
$stmt = db()->prepare("SELECT message_limit FROM channels WHERE id = ?");
|
|
$stmt->execute([$channel_id]);
|
|
$channel = $stmt->fetch();
|
|
if ($channel && !empty($channel['message_limit'])) {
|
|
$limit = (int)$channel['message_limit'];
|
|
// Delete oldest messages that exceed the limit
|
|
$stmt = db()->prepare("
|
|
DELETE FROM messages
|
|
WHERE channel_id = ?
|
|
AND id NOT IN (
|
|
SELECT id FROM (
|
|
SELECT id FROM messages
|
|
WHERE channel_id = ?
|
|
ORDER BY created_at DESC, id DESC
|
|
LIMIT " . $limit . "
|
|
) as tmp
|
|
)
|
|
");
|
|
$stmt->execute([$channel_id, $channel_id]);
|
|
}
|
|
}
|