feuerwehr-vereinsshop/admin/index.php

<?php
require_once __DIR__ . '/../config.php';
require_once __DIR__ . '/../includes/functions.php';

// Check admin login
if (!isset($_SESSION['admin_logged_in']) || !$_SESSION['admin_logged_in']) {
    header('Location: login.php');
    exit;
}

$pageTitle = 'Admin Dashboard';

// Get statistics
$products = getProducts();
$reservations = getReservations();

// Expire old reservations
expireOldReservations();
$reservations = getReservations(); // Refresh after expiry

$regularReservations = array_filter($reservations, function($r) {
    return !isset($r['type']) || $r['type'] !== 'backorder';
});
$backorderReservations = array_filter($reservations, function($r) {
    return isset($r['type']) && $r['type'] === 'backorder';
});

$totalProducts = count($products);
$totalStock = 0;
foreach ($products as $product) {
    $totalStock += getTotalStock($product);
}
$openReservations = count(array_filter($regularReservations, function($r) {
    return $r['status'] === 'open' && !$r['picked_up'];
}));
$pickedUpReservations = count(array_filter($regularReservations, function($r) {
    return $r['picked_up'];
}));
$openBackorders = count(array_filter($backorderReservations, function($r) {
    return !isset($r['backorder_status']) || $r['backorder_status'] !== 'notified';
}));
$notifiedBackorders = count(array_filter($backorderReservations, function($r) {
    return isset($r['backorder_status']) && $r['backorder_status'] === 'notified';
}));

include __DIR__ . '/../includes/header.php';
?>

<div class="admin-header">
    <h2>Admin Dashboard</h2>
    <div>
        <a href="products.php" class="btn">Produkte verwalten</a>
        <a href="reservations.php" class="btn">Reservierungen</a>
        <a href="backorders.php" class="btn">Nachbestellungen</a>
        <a href="login.php?logout=1" class="btn btn-secondary">Abmelden</a>
    </div>
</div>

<div class="admin-stats">
    <div class="stat-card">
        <h3>Produkte</h3>
        <div class="stat-value"><?php echo $totalProducts; ?></div>
    </div>
    
    <div class="stat-card">
        <h3>Gesamtbestand</h3>
        <div class="stat-value"><?php echo $totalStock; ?></div>
    </div>
    
    <div class="stat-card">
        <h3>Offene Reservierungen</h3>
        <div class="stat-value"><?php echo $openReservations; ?></div>
    </div>
    
    <div class="stat-card">
        <h3>Abgeholt</h3>
        <div class="stat-value"><?php echo $pickedUpReservations; ?></div>
    </div>
    
    <div class="stat-card">
        <h3>Offene Nachbestellungen</h3>
        <div class="stat-value"><?php echo $openBackorders; ?></div>
    </div>
    
    <div class="stat-card">
        <h3>Nachbestellungen informiert</h3>
        <div class="stat-value"><?php echo $notifiedBackorders; ?></div>
    </div>
</div>

<h3 style="margin-top: 2rem;">Letzte Reservierungen</h3>
<?php
$recentReservations = array_slice(array_reverse($regularReservations), 0, 5);
if (empty($recentReservations)):
?>
    <p>Keine Reservierungen vorhanden.</p>
<?php else: ?>
    <table>
        <thead>
            <tr>
                <th>Code</th>
                <th>Kunde</th>
                <th>Erstellt</th>
                <th>Status</th>
                <th>Aktionen</th>
            </tr>
        </thead>
        <tbody>
            <?php foreach ($recentReservations as $reservation): ?>
                <tr>
                    <td><strong><?php echo htmlspecialchars($reservation['code']); ?></strong></td>
                    <td><?php echo htmlspecialchars($reservation['customer_name']); ?></td>
                    <td><?php echo formatDate($reservation['created']); ?></td>
                    <td>
                        <?php
                        if ($reservation['picked_up']) {
                            echo '<span style="color: #28a745;">Abgeholt</span>';
                        } elseif ($reservation['status'] === 'expired') {
                            echo '<span style="color: #dc3545;">Abgelaufen</span>';
                        } else {
                            echo '<span style="color: #ffc107;">Offen</span>';
                        }
                        ?>
                    </td>
                    <td>
                        <a href="reservations.php?code=<?php echo urlencode($reservation['code']); ?>" class="btn btn-small">Details</a>
                    </td>
                </tr>
            <?php endforeach; ?>
        </tbody>
    </table>
<?php endif; ?>

<h3 style="margin-top: 2rem;">Letzte Nachbestellungen</h3>
<?php
$recentBackorders = array_slice(array_reverse($backorderReservations), 0, 5);
if (empty($recentBackorders)):
?>
    <p>Keine Nachbestellungen vorhanden.</p>
<?php else: ?>
    <table>
        <thead>
            <tr>
                <th>Code</th>
                <th>Kunde</th>
                <th>Erstellt</th>
                <th>Status</th>
                <th>Aktionen</th>
            </tr>
        </thead>
        <tbody>
            <?php foreach ($recentBackorders as $reservation): ?>
                <tr>
                    <td><strong><?php echo htmlspecialchars($reservation['code']); ?></strong></td>
                    <td><?php echo htmlspecialchars($reservation['customer_name']); ?></td>
                    <td><?php echo formatDate($reservation['created']); ?></td>
                    <td>
                        <?php
                        if (isset($reservation['backorder_status']) && $reservation['backorder_status'] === 'notified') {
                            echo '<span style="color: #28a745;">Informiert</span>';
                        } else {
                            echo '<span style="color: #ffc107;">Offen</span>';
                        }
                        ?>
                    </td>
                    <td>
                        <a href="backorders.php?code=<?php echo urlencode($reservation['code']); ?>" class="btn btn-small">Details</a>
                    </td>
                </tr>
            <?php endforeach; ?>
        </tbody>
    </table>
<?php endif; ?>

<?php include __DIR__ . '/../includes/footer.php'; ?>