query("SELECT COUNT(*) FROM participants")->fetchColumn();
$worker_count = db()->query("SELECT COUNT(*) FROM support_workers")->fetchColumn();
$service_log_count = db()->query("SELECT COUNT(*) FROM service_logs")->fetchColumn();
// Fetch upcoming compliance alerts (e.g., expiring in 90 days)
$ninety_days_from_now = date('Y-m-d', strtotime('+90 days'));
$compliance_alerts = db()->query("SELECT COUNT(*) FROM participants WHERE ndis_plan_end_date <= '$ninety_days_from_now'")->fetchColumn();
$worker_alerts = db()->query("SELECT COUNT(*) FROM support_workers WHERE ndis_worker_screening_expiry <= '$ninety_days_from_now' OR first_aid_expiry <= '$ninety_days_from_now'")->fetchColumn();
$total_alerts = $compliance_alerts + $worker_alerts;
// Chart Data
// Participants per month
$participants_per_month_q = db()->query("SELECT DATE_FORMAT(created_at, '%Y-%m') as month, COUNT(*) as count FROM participants GROUP BY month ORDER BY month");
$participants_per_month = $participants_per_month_q->fetchAll(PDO::FETCH_ASSOC);
$participant_months = json_encode(array_column($participants_per_month, 'month'));
$participant_counts = json_encode(array_column($participants_per_month, 'count'));
// Services per month
$services_per_month_q = db()->query("SELECT DATE_FORMAT(service_date, '%Y-%m') as month, COUNT(*) as count FROM service_logs GROUP BY month ORDER BY month");
$services_per_month = $services_per_month_q->fetchAll(PDO::FETCH_ASSOC);
$service_months = json_encode(array_column($services_per_month, 'month'));
$service_counts = json_encode(array_column($services_per_month, 'count'));
// Billing status
$billing_status_q = db()->query("SELECT billing_status, COUNT(*) as count FROM service_logs GROUP BY billing_status");
$billing_status = $billing_status_q->fetchAll(PDO::FETCH_ASSOC);
$billing_status_labels = json_encode(array_column($billing_status, 'billing_status'));
$billing_status_counts = json_encode(array_column($billing_status, 'count'));
?>
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