query("SELECT COUNT(*) FROM customers WHERE deleted_at IS NULL")->fetchColumn();
$quotation_count = db()->query("SELECT COUNT(*) FROM quotations WHERE deleted_at IS NULL")->fetchColumn();
$invoice_count = db()->query("SELECT COUNT(*) FROM invoices WHERE deleted_at IS NULL")->fetchColumn();
$total_revenue = db()->query("SELECT SUM(total_amount) FROM invoices WHERE status = 'Paid' AND deleted_at IS NULL")->fetchColumn() ?: 0;
// Fetch Recent Invoices
$recent_invoices = db()->query("
SELECT i.*, c.name as customer_name
FROM invoices i
JOIN customers c ON i.customer_id = c.id
WHERE i.deleted_at IS NULL
ORDER BY i.created_at DESC
LIMIT 5
")->fetchAll();
// Fetch Recent Activity (Audit Logs)
$recent_activity = db()->query("
SELECT a.*, u.full_name
FROM audit_logs a
LEFT JOIN users u ON a.user_id = u.id
ORDER BY a.created_at DESC
LIMIT 10
")->fetchAll();
?>