count('tx_vitec_ssrpurgelog', 'crdate > ' . $d1);
$purges7d = $this->count('tx_vitec_ssrpurgelog', 'crdate > ' . $d7);
$failed7d = $this->count('tx_vitec_ssrpurgelog', 'crdate > ' . $d7 . ' AND success = 0');
$full7d = $this->count('tx_vitec_ssrpurgelog', "crdate > " . $d7 . " AND paths = '*'");
$samples24h = $this->count('tx_vitec_ssrhealthlog', 'crdate > ' . $d1);
$ok24h = $this->count('tx_vitec_ssrhealthlog', 'crdate > ' . $d1 . ' AND ok = 1');
$uptime = $samples24h > 0 ? round($ok24h / $samples24h * 100, 1) . ' %' : '-';
$avgMs = $this->scalar('SELECT ROUND(AVG(response_ms)) FROM tx_vitec_ssrhealthlog WHERE crdate > ' . $d1 . ' AND ok = 1');
$maxCache = $this->scalar('SELECT MAX(cache_mb) FROM tx_vitec_ssrhealthlog WHERE crdate > ' . $d7);
$rows = [
['Purges (24 h / 7 Tage)', $purges24h . ' / ' . $purges7d],
['davon Komplett-Purges (7 T.)', (string)$full7d],
['Fehlgeschlagene Purges (7 T.)', $failed7d > 0
? '' . $failed7d . ''
: '0'],
['Verfügbarkeit (24 h)', htmlspecialchars($uptime)
. ' (' . $ok24h . '/' . $samples24h . ' Messungen)'],
['∅ Antwortzeit (24 h)', $avgMs !== null ? $avgMs . ' ms' : '-'],
['Max. Cache-Größe (7 T.)', $maxCache !== null ? $maxCache . ' MB' : '-'],
];
$html = '';
foreach ($rows as [$label, $value]) {
$html .= '| ' . $label . ' | ' . $value . ' |
|---|
';
}
$html .= '
';
if ($samples24h === 0) {
$html .= 'Noch keine Messwerte: Scheduler-Task für vitec:ssr-health einrichten (z. B. alle 5 Minuten).
';
}
return $html;
}
public function getOptions(): array
{
return [];
}
private function count(string $table, string $where): int
{
try {
return (int)$this->connectionPool->getConnectionForTable($table)
->executeQuery('SELECT COUNT(*) FROM ' . $table . ' WHERE ' . $where)->fetchOne();
} catch (\Throwable) {
return 0;
}
}
private function scalar(string $sql): ?string
{
try {
$v = $this->connectionPool->getConnectionForTable('tx_vitec_ssrhealthlog')
->executeQuery($sql)->fetchOne();
return $v === null || $v === false ? null : (string)$v;
} catch (\Throwable) {
return null;
}
}
}