MINI

files >> C:/xampp/htdocs/cek/admin.php
 <?php
session_start();
include 'db.php';

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

// Ambil informasi pengguna saat ini
$current_user_id = $_SESSION['user_id'];
$stmt = $pdo->prepare("SELECT * FROM users WHERE id = ?");
$stmt->execute([$current_user_id]);
$current_user = $stmt->fetch();

// Cek apakah pengguna adalah admin
$is_admin = ($current_user['role'] ?? '') == 'admin';

// Handle form submission
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
    if (isset($_POST['submit_transaction'])) {
        // Insert new transaction
        $user_id = $is_admin ? $_POST['user_id'] : $current_user_id;
        $voucher_code = $_POST['voucher_code'];
        $amount = $_POST['amount'];
        $type = $_POST['type'];

        $stmt = $pdo->prepare("INSERT INTO transactions (user_id, voucher_code, amount, type) VALUES (?, ?, ?, ?)");
        $stmt->execute([$user_id, $voucher_code, $amount, $type]);
        
        $_SESSION['message'] = ['type' => 'success', 'text' => 'Transaksi berhasil ditambahkan!'];
        header("Location: ".$_SERVER['PHP_SELF']);
        exit();
    } elseif (isset($_POST['update_transaction'])) {
        // Update existing transaction
        $id = $_POST['id'];
        $voucher_code = $_POST['voucher_code'];
        $amount = $_POST['amount'];
        $type = $_POST['type'];

        $stmt = $pdo->prepare("UPDATE transactions SET voucher_code = ?, amount = ?, type = ? WHERE id = ?");
        $stmt->execute([$voucher_code, $amount, $type, $id]);
        
        $_SESSION['message'] = ['type' => 'success', 'text' => 'Transaksi berhasil diperbarui!'];
        header("Location: ".$_SERVER['PHP_SELF']);
        exit();
    }
}

// Handle delete action
if (isset($_GET['delete'])) {
    $id = $_GET['delete'];
    $stmt = $pdo->prepare("DELETE FROM transactions WHERE id = ?");
    $stmt->execute([$id]);
    
    $_SESSION['message'] = ['type' => 'success', 'text' => 'Transaksi berhasil dihapus!'];
    header("Location: ".$_SERVER['PHP_SELF']);
    exit();
}

// Get filter values
$user_filter = $is_admin ? ($_GET['user_id'] ?? '') : $current_user_id;
$type_filter = $_GET['type'] ?? '';
$date_from = $_GET['date_from'] ?? '';
$date_to = $_GET['date_to'] ?? '';

// Build the query
$query = "SELECT t.*, u.username FROM transactions t LEFT JOIN users u ON t.user_id = u.id WHERE 1=1";
$params = [];

// Apply filters
if (!empty($user_filter)) {
    $query .= " AND t.user_id = ?";
    $params[] = $user_filter;
}

if (!empty($type_filter)) {
    $query .= " AND t.type = ?";
    $params[] = $type_filter;
}

if (!empty($date_from)) {
    $query .= " AND DATE(t.created_at) >= ?";
    $params[] = $date_from;
}

if (!empty($date_to)) {
    $query .= " AND DATE(t.created_at) <= ?";
    $params[] = $date_to;
}

$query .= " ORDER BY t.created_at DESC";

// Get transactions
$stmt = $pdo->prepare($query);
$stmt->execute($params);
$transactions = $stmt->fetchAll();

// Calculate totals
$total_in = 0;
$total_out = 0;
foreach ($transactions as $transaction) {
    if ($transaction['type'] == 'in') {
        $total_in += $transaction['amount'];
    } else {
        $total_out += $transaction['amount'];
    }
}
$balance = $total_in - $total_out;

// Get all users (for admin only)
$users = [];
if ($is_admin) {
    $users = $pdo->query("SELECT * FROM users")->fetchAll();
}

// Get transaction to edit (if edit action)
$edit_transaction = null;
if (isset($_GET['edit'])) {
    $id = $_GET['edit'];
    $stmt = $pdo->prepare("SELECT * FROM transactions WHERE id = ?");
    $stmt->execute([$id]);
    $edit_transaction = $stmt->fetch();
}
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Voucher App</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        .card-shadow {
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        }
        .transaction-in {
            background-color: rgba(52, 211, 153, 0.1);
        }
        .transaction-out {
            background-color: rgba(248, 113, 113, 0.1);
        }
    </style>
</head>
<body class="bg-gray-50">
    <!-- Notification message -->
    <?php if (isset($_SESSION['message'])): ?>
        <div class="fixed top-4 right-4 z-50">
            <div class="bg-<?= $_SESSION['message']['type'] == 'success' ? 'green' : 'red' ?>-500 text-white px-4 py-2 rounded-lg shadow-lg flex items-center">
                <span class="mr-2">
                    <?php if ($_SESSION['message']['type'] == 'success'): ?>
                        <i class="fas fa-check-circle"></i>
                    <?php else: ?>
                        <i class="fas fa-exclamation-circle"></i>
                    <?php endif; ?>
                </span>
                <span><?= $_SESSION['message']['text'] ?></span>
            </div>
        </div>
        <?php unset($_SESSION['message']); ?>
    <?php endif; ?>

    <div class="container mx-auto px-4 py-8">
        <div class="flex justify-between items-center mb-6">
            <h1 class="text-2xl font-bold">Sistem Manajemen Voucher</h1>
            <div class="text-gray-500"><?= date('d M Y') ?></div>
        </div>
        
        <!-- Summary Cards -->
        <div class="grid grid-cols-1 md:grid-cols-3 gap-4 mb-6">
            <div class="bg-green-50 rounded-lg p-4 border border-green-100">
                <div class="flex items-center justify-between">
                    <div>
                        <p class="text-sm text-green-600">Total Pemasukan</p>
                        <h3 class="text-2xl font-bold text-green-700">Rp <?= number_format($total_in, 2) ?></h3>
                    </div>
                    <div class="bg-green-100 p-3 rounded-full">
                        <i class="fas fa-arrow-down text-green-600"></i>
                    </div>
                </div>
            </div>
            
            <div class="bg-red-50 rounded-lg p-4 border border-red-100">
                <div class="flex items-center justify-between">
                    <div>
                        <p class="text-sm text-red-600">Total Pengeluaran</p>
                        <h3 class="text-2xl font-bold text-red-700">Rp <?= number_format($total_out, 2) ?></h3>
                    </div>
                    <div class="bg-red-100 p-3 rounded-full">
                        <i class="fas fa-arrow-up text-red-600"></i>
                    </div>
                </div>
            </div>
            
            <div class="bg-blue-50 rounded-lg p-4 border border-blue-100">
                <div class="flex items-center justify-between">
                    <div>
                        <p class="text-sm text-blue-600">Saldo Akhir</p>
                        <h3 class="text-2xl font-bold text-blue-700">Rp <?= number_format($balance, 2) ?></h3>
                    </div>
                    <div class="bg-blue-100 p-3 rounded-full">
                        <i class="fas fa-wallet text-blue-600"></i>
                    </div>
                </div>
            </div>
        </div>

        <!-- Transaction Form -->
        <div class="bg-white rounded-lg card-shadow p-6 mb-8">
            <h2 class="text-xl font-semibold mb-4">
                <?= isset($_GET['edit']) ? '<i class="fas fa-pen mr-2"></i> Edit Transaksi' : '<i class="fas fa-plus-circle mr-2"></i> Tambah Transaksi' ?>
            </h2>
            
            <form method="POST" class="space-y-4">
                <?php if (isset($_GET['edit'])): ?>
                    <input type="hidden" name="id" value="<?= $edit_transaction['id'] ?>">
                    <input type="hidden" name="update_transaction" value="1">
                <?php else: ?>
                    <input type="hidden" name="submit_transaction" value="1">
                <?php endif; ?>
                
                <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                    <div>
                        <label for="user_id" class="block text-sm font-medium text-gray-700">User :</label>
                        <select name="user_id" class="w-full px-4 py-2 border border-gray-300 rounded-md focus:ring-purple-500 focus:border-purple-500" required>
                            <?php foreach ($users as $user): ?>
                                <option value="<?= $user['id'] ?>" <?= (isset($_GET['edit']) && $edit_transaction['user_id'] == $user['id']) ? 'selected' : '' ?>>
                                    <?= $user['username'] ?>
                                </option>
                            <?php endforeach; ?>
                        </select>
                    </div>

                    <div>
                        <label for="voucher_code" class="block text-sm font-medium text-gray-700">Kode Voucher:</label>
                        <input type="text" name="voucher_code" class="w-full px-4 py-2 border border-gray-300 rounded-md focus:ring-purple-500 focus:border-purple-500" 
                            value="<?= isset($_GET['edit']) ? $edit_transaction['voucher_code'] : '' ?>" required>
                    </div>
                </div>

                <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                    <div>
                        <label for="amount" class="block text-sm font-medium text-gray-700">Jumlah (Rp):</label>
                        <input type="number" name="amount" step="0.01" class="w-full px-4 py-2 border border-gray-300 rounded-md focus:ring-purple-500 focus:border-purple-500" 
                            value="<?= isset($_GET['edit']) ? $edit_transaction['amount'] : '' ?>" required>
                    </div>

                    <div>
                        <label for="type" class="block text-sm font-medium text-gray-700">Tipe:</label>
                        <select name="type" class="w-full px-4 py-2 border border-gray-300 rounded-md focus:ring-purple-500 focus:border-purple-500" required>
                            <option value="in" <?= (isset($_GET['edit']) && $edit_transaction['type'] == 'in') ? 'selected' : '' ?>>Masuk</option>
                            <option value="out" <?= (isset($_GET['edit']) && $edit_transaction['type'] == 'out') ? 'selected' : '' ?>>Keluar</option>
                        </select>
                    </div>
                </div>

                <div class="flex justify-end space-x-4">
                    <?php if (isset($_GET['edit'])): ?>
                        <a href="?" class="bg-gray-200 hover:bg-gray-300 text-gray-800 font-medium py-2 px-4 rounded-md transition duration-300">
                            <i class="fas fa-times mr-2"></i>Batal
                        </a>
                    <?php endif; ?>
                    
                    <button type="submit" class="bg-purple-600 hover:bg-purple-700 text-white font-medium py-2 px-4 rounded-md transition duration-300">
                        <i class="fas fa-save mr-2"></i>Simpan
                    </button>
                </div>
            </form>
        </div>

        <!-- Transaction List -->
        <h2 class="text-xl font-bold mb-4"><i class="fas fa-list-alt mr-2"></i>Daftar Transaksi</h2>
        
        <!-- Filter Form -->
        <div class="bg-white rounded-lg card-shadow p-6 mb-4">
            <form method="GET" class="space-y-4">
                <div class="grid grid-cols-1 md:grid-cols-4 gap-4">
                    <div>
                        <label for="user_id" class="block text-sm font-medium text-gray-700">Filter User:</label>
                        <select name="user_id" class="w-full px-4 py-2 border border-gray-300 rounded-md focus:ring-purple-500 focus:border-purple-500