36459-vm/check_certificate_unlock.php
2026-05-27 14:29:58 +05:30

41 lines
1.0 KiB
PHP

<?php
require_once "../config.php";
$student_id = $_SESSION['student_id'];
$track = "Python Basics Track";
// Count completed challenges
$stmt = $conn->prepare("
SELECT COUNT(DISTINCT challenge_id) AS completed
FROM challenge_submissions
WHERE student_id = ? AND is_correct = 1
");
$stmt->bind_param("i", $student_id);
$stmt->execute();
$result = $stmt->get_result()->fetch_assoc();
$completed = $result['completed'];
// Rule: 5 challenges
if ($completed >= 5) {
// Check already issued?
$check = $conn->prepare("
SELECT id FROM certificates
WHERE student_id = ? AND certificate_type = 'Participation'
");
$check->bind_param("i", $student_id);
$check->execute();
$checkResult = $check->get_result();
if ($checkResult->num_rows == 0) {
// Issue certificate
$insert = $conn->prepare("
INSERT INTO certificates (student_id, certificate_type, track_name)
VALUES (?, 'Participation', ?)
");
$insert->bind_param("is", $student_id, $track);
$insert->execute();
}
}