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<?php
require_once '../../db.php';
redirectIfNotLoggedIn();
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$data = json_decode(file_get_contents('php://input'), true);
$package_name = $data['package'];
$amount = $data['amount'];
$user_id = $_SESSION['user_id'];
// Check if user has sufficient balance
if ($_SESSION['balance'] < $amount) {
echo json_encode(['success' => false, 'message' => 'Insufficient balance.']);
exit;
}
// Get package details
$stmt = $pdo->prepare("SELECT * FROM packages WHERE name = ?");
$stmt->execute([$package_name]);
$package = $stmt->fetch(PDO::FETCH_ASSOC);
if (!$package) {
echo json_encode(['success' => false, 'message' => 'Package not found.']);
exit;
}
// Start transaction
$pdo->beginTransaction();
try {
// Deduct amount from user balance
$stmt = $pdo->prepare("UPDATE users SET balance = balance - ?, package = ? WHERE id = ?");
$stmt->execute([$amount, $package_name, $user_id]);
// Record transaction
$stmt = $pdo->prepare("INSERT INTO transactions (user_id, type, amount, description, status) VALUES (?, 'purchase', ?, ?, 'completed')");
$stmt->execute([$user_id, $amount, "Purchased {$package_name} package"]);
// Add to user packages
$stmt = $pdo->prepare("INSERT INTO user_packages (user_id, package_id, investment_amount, expected_return) VALUES (?, ?, ?, ?)");
$stmt->execute([$user_id, $package['id'], $amount, $package['return_amount']]);
// Update user package
$stmt = $pdo->prepare("UPDATE users SET package = ? WHERE id = ?");
$stmt->execute([$package_name, $user_id]);
// Commit transaction
$pdo->commit();
// Update session
$_SESSION['balance'] -= $amount;
$_SESSION['package'] = $package_name;
echo json_encode(['success' => true, 'message' => 'Package purchased successfully!']);
} catch (Exception $e) {
$pdo->rollBack();
echo json_encode(['success' => false, 'message' => 'Purchase failed: ' . $e->getMessage()]);
}
}
?> |