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);
// Browser-side errors reported via POST /api/vitec/client-error
// (ClientErrorMiddleware); details in the VITEC SSR module.
$clientErrors24h = $this->count('tx_vitec_clienterrorlog', 'crdate > ' . $d1);
$clientErrors7d = $this->count('tx_vitec_clienterrorlog', 'crdate > ' . $d7);
$rows = [
['Purges (24 h / 7 days)', $purges24h . ' / ' . $purges7d],
['of which full purges (7 d)', (string)$full7d],
['Failed purges (7 d)', $failed7d > 0
? '' . $failed7d . ''
: '0'],
['Availability (24 h)', htmlspecialchars($uptime)
. ' (' . $ok24h . '/' . $samples24h . ' samples)'],
['Avg. response time (24 h)', $avgMs !== null ? $avgMs . ' ms' : '-'],
['Max. cache size (7 d)', $maxCache !== null ? $maxCache . ' MB' : '-'],
['Client errors reported (24 h / 7 d)', ($clientErrors24h > 0
? '' . $clientErrors24h . ''
: '0') . ' / ' . $clientErrors7d],
];
$html = '';
foreach ($rows as [$label, $value]) {
$html .= '| ' . $label . ' | ' . $value . ' |
|---|
';
}
$html .= '
';
if ($samples24h === 0) {
$html .= 'No samples yet: the cron job for vitec:ssr-health fills this every 5 minutes.
';
}
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;
}
}
}