prepare(
"SELECT
pv.*,
p.patient_name,
p.address,
p.phone_number,
u.username as doctor_name
FROM patient_visits pv
JOIN patients p ON pv.patient_id = p.id
JOIN users u ON pv.doctor_id = u.id
WHERE pv.visit_id = ?"
);
$stmt->execute([$visit_id]);
$visit = $stmt->fetch(PDO::FETCH_ASSOC);
// Fetch ordered tests for the visit
$tests_stmt = $pdo->prepare(
"SELECT
ot.test_type,
CASE
WHEN ot.test_type = 'lab' THEN lt.test_name
WHEN ot.test_type = 'imaging' THEN it.test_name
END as test_name,
CASE
WHEN ot.test_type = 'lab' THEN lt.cost
WHEN ot.test_type = 'imaging' THEN it.cost
END as cost
FROM ordered_tests ot
LEFT JOIN lab_tests lt ON ot.test_type = 'lab' AND ot.test_id = lt.test_id
LEFT JOIN imaging_tests it ON ot.test_type = 'imaging' AND ot.test_id = it.test_id
WHERE ot.visit_id = ?"
);
$tests_stmt->execute([$visit_id]);
$ordered_tests = $tests_stmt->fetchAll(PDO::FETCH_ASSOC);
} catch (PDOException $e) {
$visit = null;
$ordered_tests = [];
// In a real app, you would log this error
}
if (!$visit) {
die("No completed visit found for this ID or an error occurred.");
}
// Calculate total bill
$total_bill = $visit['cost'];
foreach ($ordered_tests as $test) {
$total_bill += $test['cost'];
}
?>
Invoice - Visit #<?php echo htmlspecialchars($visit['visit_id']); ?>