Bidly_Website/lelang_saya.php at master · Febriyandy/Bidly_Website · GitHub

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<?php
session_start();
include 'connect.php';
include 'buat_notifikasi.php';

if (!isset($_SESSION['user_id'])) {
    header("Location: login.php");
    exit;
}

// Process bid submission via AJAX
if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_POST['submit_bid'])) {
    $response = array();

    $auction_id = mysqli_real_escape_string($conn, $_POST['auction_id']);
    $bid_amount = mysqli_real_escape_string($conn, $_POST['bid_amount']);
    $bidder_id = $_SESSION['user_id'];

    // Get current highest bid
    $check_bid = "SELECT current_highest_bid FROM auctions WHERE auction_id = ?";
    $stmt = mysqli_prepare($conn, $check_bid);
    mysqli_stmt_bind_param($stmt, "i", $auction_id);
    mysqli_stmt_execute($stmt);
    $result = mysqli_stmt_get_result($stmt);
    $current_bid = mysqli_fetch_assoc($result)['current_highest_bid'];

    if ($bid_amount <= $current_bid) {
        $response['status'] = 'error';
        $response['message'] = "Penawaran harus lebih tinggi dari penawaran tertinggi saat ini";
    } else {
        mysqli_begin_transaction($conn);

        try {
            $insert_bid = "INSERT INTO bids (auction_id, bidder_id, bid_amount) VALUES (?, ?, ?)";
            $stmt = mysqli_prepare($conn, $insert_bid);
            mysqli_stmt_bind_param($stmt, "iid", $auction_id, $bidder_id, $bid_amount);
            mysqli_stmt_execute($stmt);

            $update_auction = "UPDATE auctions SET current_highest_bid = ?, winner_id = ? WHERE auction_id = ?";
            $stmt = mysqli_prepare($conn, $update_auction);
            mysqli_stmt_bind_param($stmt, "dii", $bid_amount, $bidder_id, $auction_id);
            mysqli_stmt_execute($stmt);

            createBidNotifications($conn, $auction_id, $bidder_id, $bid_amount);
            mysqli_commit($conn);

            $response['status'] = 'success';
            $response['message'] = "Penawaran berhasil diajukan!";
            $response['new_bid'] = number_format($bid_amount, 0, ',', '.');
            $response['is_winner'] = true;
        } catch (Exception $e) {
            mysqli_rollback($conn);
            $response['status'] = 'error';
            $response['message'] = "Terjadi kesalahan saat mengajukan penawaran";
        }
    }

    header('Content-Type: application/json');
    echo json_encode($response);
    exit;
}

$sql = "SELECT
            ROW_NUMBER() OVER (ORDER BY a.end_time DESC) as row_num,
            c.model,
            c.foto1,
            c.year,
            a.end_time,
            a.auction_id,
            a.status,
            a.current_highest_bid,
            a.winner_id,
            MAX(b.bid_amount) as user_highest_bid,
            u.name as winner_name
        FROM bids b
        JOIN auctions a ON b.auction_id = a.auction_id
        JOIN cars c ON a.car_id = c.car_id
        LEFT JOIN users u ON a.winner_id = u.user_id
        WHERE b.bidder_id = ?
        GROUP BY a.auction_id
        ORDER BY a.end_time DESC";

$stmt = mysqli_prepare($conn, $sql);
mysqli_stmt_bind_param($stmt, "i", $_SESSION['user_id']);
mysqli_stmt_execute($stmt);
$result = mysqli_stmt_get_result($stmt);
?>

<!DOCTYPE html>
<html lang="id">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Lelang Saya - Bidly</title>
    <link rel="icon" type="image/png" sizes="32x32" href="assets/logo2.png">
    <script src="https://cdn.tailwindcss.com"></script>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@200;300;400;500;600;700;800&display=swap" rel="stylesheet">
    <script>
        tailwind.config = {
            theme: {
                extend: {
                    fontFamily: {
                        body: ['Plus Jakarta Sans']
                    },
                    colors: {
                        primary: '#1b9af5',
                        secondary: '#bcedff',
                        tertiary: '#1767b6',
                        accent: '#143557',
                    },
                },
            }
        }
    </script>
</head>

<body class="bg-gray-50 font-body">
    <?php include 'navbar.php'; ?>

    <!-- Bid Modal -->
    <div id="bidModal" class="hidden fixed inset-0 bg-black bg-opacity-50 z-50">
        <div class="fixed top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 bg-white rounded-lg p-6 max-w-md w-full">
            <button onclick="closeBidModal()" class="absolute right-4 top-4 text-gray-500 hover:text-gray-700">
                <svg class="w-6 h-6" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
                </svg>
            </button>

            <h2 class="text-2xl font-bold text-accent mb-4">Ajukan Penawaran</h2>

            <div id="bid-message" class="hidden mb-4"></div>

            <form id="bidForm" class="space-y-4">
                <input type="hidden" id="auction_id" name="auction_id">

                <div>
                    <label class="block text-gray-700 mb-2">Penawaran Saat Ini</label>
                    <p class="text-xl font-bold text-primary" id="modal-current-bid"></p>
                </div>

                <div>
                    <label for="bid_amount" class="block text-gray-700 mb-2">Jumlah Penawaran Anda</label>
                    <input type="number"
                        name="bid_amount"
                        id="bid_amount"
                        class="w-full border rounded-md px-4 py-2 focus:outline-none focus:ring-2 focus:ring-primary"
                        required>
                    <p class="text-sm text-gray-500 mt-1"></p>
                </div>

                <button type="submit"
                    name="submit_bid"
                    class="w-full bg-primary text-white px-6 py-3 rounded-md hover:bg-tertiary transition-colors">
                    Ajukan Penawaran
                </button>
            </form>
        </div>
    </div>

    <main class="container mx-auto px-4 py-8">
        <h1 class="text-2xl font-bold text-accent mb-6">Lelang Saya</h1>

        <?php if (mysqli_num_rows($result) > 0): ?>
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
                <?php while ($row = mysqli_fetch_assoc($result)): ?>
                    <div class="bg-white rounded-lg shadow-lg overflow-hidden">
                        <!-- Car Image -->
                        <div class="relative h-48">
                            <img src="<?php echo htmlspecialchars($row['foto1']); ?>"
                                alt="<?php echo htmlspecialchars($row['model']); ?>"
                                class="w-full h-full object-cover">
                            <div class="absolute top-4 right-4">
                                <span class="px-3 py-1 rounded-full text-sm font-medium
                                    <?php echo $row['status'] === 'completed' ? 'bg-green-100 text-green-800' : 'bg-blue-100 text-blue-800'; ?>">
                                    <?php echo ucfirst($row['status']); ?>
                                </span>
                            </div>
                        </div>

                        <!-- Car Details -->
                        <div class="p-6">
                            <div class="flex justify-between items-start mb-4">
                                <div>
                                    <h2 class="text-xl font-semibold text-gray-900"><?php echo htmlspecialchars($row['model']); ?></h2>
                                    <p class="text-sm text-gray-600">Tahun <?php echo $row['year']; ?></p>
                                </div>
                                <span class="text-sm text-gray-500">#<?php echo $row['row_num']; ?></span>
                            </div>

                            <!-- Bid Information -->
                            <div class="space-y-3">
                                <div class="flex justify-between items-center text-sm">
                                    <span class="text-gray-600">Penawaran Anda:</span>
                                    <span class="font-medium">Rp <?php echo number_format($row['user_highest_bid'], 0, ',', '.'); ?></span>
                                </div>
                                <div class="flex justify-between items-center text-sm">
                                    <span class="text-gray-600">Harga Tertinggi:</span>
                                    <span class="font-medium current-highest-bid" data-auction-id="<?php echo $row['auction_id']; ?>">
                                        Rp <?php echo number_format($row['current_highest_bid'], 0, ',', '.'); ?>
                                    </span>
                                </div>
                                <div class="flex justify-between items-center text-sm">
                                    <span class="text-gray-600">Penutupan:</span>
                                    <span class="font-medium"><?php echo date('d/m/Y H:i', strtotime($row['end_time'])); ?></span>
                                </div>
                            </div>

                            <!-- Status and Action -->
                            <!-- Status and Action -->
                            <div class="mt-6 space-y-4">
                                <div class="text-center">
                                    <?php if ($row['user_highest_bid'] == $row['current_highest_bid']): ?>
                                        <span class="text-green-600 font-medium">Anda merupakan Penawar tertinggi</span>
                                        <?php if ($row['status'] !== 'completed'): ?>
                                            <p class="text-gray-600 mt-2">Menunggu selesai</p>
                                        <?php endif; ?>
                                    <?php else: ?>
                                        <span class="text-red-600 font-medium">Penawaran Anda Kalah</span>
                                        <?php if ($row['status'] !== 'completed'): ?>
                                            <button onclick="openBidModal(<?php echo $row['auction_id']; ?>, <?php echo $row['current_highest_bid']; ?>, '<?php echo htmlspecialchars($row['model']); ?>')"
                                                class="mt-2 w-full bg-primary text-white px-4 py-2 rounded-lg hover:bg-tertiary transition-colors">
                                                Ajukan Penawaran
                                            </button>
                                        <?php endif; ?>
                                    <?php endif; ?>
                                </div>

                                <?php if ($row['status'] === 'completed'): ?>
                                    <div class="text-center">
                                        <?php if ($row['winner_id'] == $_SESSION['user_id']): ?>
                                            <a href="payment.php?auction_id=<?php echo $row['auction_id']; ?>"
                                                class="inline-block w-full bg-primary text-white px-4 py-2 rounded-lg hover:bg-tertiary transition-colors text-center">
                                                Bayar Sekarang
                                            </a>
                                        <?php else: ?>
                                            <p class="text-gray-600">Pemenang: <?php echo htmlspecialchars($row['winner_name']); ?></p>
                                        <?php endif; ?>
                                    </div>
                                <?php endif; ?>
                            </div>
                        </div>
                    </div>
                <?php endwhile; ?>
            </div>
        <?php else: ?>
            <div class="bg-white p-8 rounded-lg shadow-md text-center">
                <p class="text-gray-600">Anda belum melakukan penawaran</p>
            </div>
        <?php endif; ?>
    </main>

    <?php include 'footer.php'; ?>

    <script>
        function openBidModal(auctionId, currentBid, model) {
            document.getElementById('bidModal').classList.remove('hidden');
            document.getElementById('auction_id').value = auctionId;
            document.getElementById('modal-current-bid').textContent = 'Rp ' + currentBid.toLocaleString('id-ID');

            // Set minimum bid amount
            const minBid = currentBid + 1000;
            document.getElementById('bid_amount').min = minBid;
            document.getElementById('bid_amount').placeholder = 'Minimal Rp ' + minBid.toLocaleString('id-ID');
            document.querySelector('.text-sm.text-gray-500').textContent =
                'Minimal penawaran: Rp ' + minBid.toLocaleString('id-ID');
        }

        function closeBidModal() {
            document.getElementById('bidModal').classList.add('hidden');
            document.getElementById('bid-message').classList.add('hidden');
            document.getElementById('bidForm').reset();
        }

        // Close modal when clicking outside
        document.getElementById('bidModal').addEventListener('click', function(e) {
            if (e.target === this) {
                closeBidModal();
            }
        });

        function showMessage(type, message) {
            const messageDiv = document.getElementById('bid-message');
            messageDiv.className = `p-4 rounded ${type === 'success' ? 'bg-green-100 text-green-700' : 'bg-red-100 text-red-700'}`;
            messageDiv.textContent = message;
            messageDiv.classList.remove('hidden');
        }

        // Handle bid form submission
        $(document).ready(function() {
            $('#bidForm').on('submit', function(e) {
                e.preventDefault();

                $.ajax({
                    type: 'POST',
                    url: window.location.href,
                    data: $(this).serialize() + '&submit_bid=1',
                    dataType: 'json',
                    success: function(response) {
                        if (response.status === 'success') {
                            showMessage('success', response.message);

                            // Update current highest bid display
                            const auctionId = $('#auction_id').val();
                            $(`.current-highest-bid[data-auction-id="${auctionId}"]`).text('Rp ' + response.new_bid);

                            // Update status display
                            const statusDiv = $(`.current-highest-bid[data-auction-id="${auctionId}"]`).closest('.bg-white')
                                .find('.text-red-600')
                                .closest('.text-center')
                                .html('<span class="text-green-600 font-medium">Anda merupakan Penawar tertinggi</span>');

                            // Clear form
                            $('#bidForm')[0].reset();

                            // Close modal after 2 seconds
                            setTimeout(closeBidModal, 2000);

                            // Reload page after 2.5 seconds to get updated data
                            setTimeout(function() {
                                location.reload();
                            }, 2500);
                        } else {
                            showMessage('error', response.message);
                        }
                    },
                    error: function() {
                        showMessage('error', 'Terjadi kesalahan. Silakan coba lagi.');
                    }
                });
            });
        });

        // Format bid amount input with thousand separator
        const bidInput = document.getElementById('bid_amount');
        bidInput.addEventListener('input', function(e) {
            // Remove non-numeric characters
            let value = this.value.replace(/\D/g, '');

            // Format with thousand separator
            if (value.length > 3) {
                let formattedValue = new Intl.NumberFormat('id-ID').format(value);
                document.querySelector('.text-sm.text-gray-500').textContent =
                    'Jumlah penawaran: Rp. ' + formattedValue;
            }
        });
    </script>
</body>

</html>

<?php mysqli_close($conn); ?>