domili/admin/colors.php

<?php
require_once '../inc/check_login.php';
require_once '../inc/db.php';

$message = '';
$message_type = '';
$edit_mode = false;
$edit_color = null;

// --- Logik zum Hinzufügen, Bearbeiten und Löschen von Farben ---

// Aktion Löschen
if (isset($_GET['action']) && $_GET['action'] == 'delete' && isset($_GET['id'])) {
    $id = $_GET['id'];
    $stmt = mysqli_prepare($conn, "DELETE FROM colors WHERE id = ?");
    mysqli_stmt_bind_param($stmt, "i", $id);
    if (mysqli_stmt_execute($stmt)) {
        $message = "Farbe erfolgreich gelöscht!";
        $message_type = 'success';
    } else {
        $message = "Fehler beim Löschen der Farbe.";
        $message_type = 'danger';
    }
    mysqli_stmt_close($stmt);
}

// Aktion Bearbeiten (Formular laden)
if (isset($_GET['action']) && $_GET['action'] == 'edit' && isset($_GET['id'])) {
    $id = $_GET['id'];
    $stmt = mysqli_prepare($conn, "SELECT id, name, hex_code FROM colors WHERE id = ?");
    mysqli_stmt_bind_param($stmt, "i", $id);
    mysqli_stmt_execute($stmt);
    $result = mysqli_stmt_get_result($stmt);
    $edit_color = mysqli_fetch_assoc($result);
    mysqli_stmt_close($stmt);
    $edit_mode = true;
}

// Aktion Hinzufügen oder Speichern (POST)
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $name = $_POST['name'];
    $hex_code = $_POST['hex_code'];
    $id = $_POST['id'] ?? null;

    if ($id) { // Update-Logik
        $stmt = mysqli_prepare($conn, "UPDATE colors SET name = ?, hex_code = ? WHERE id = ?");
        mysqli_stmt_bind_param($stmt, "ssi", $name, $hex_code, $id);
        if (mysqli_stmt_execute($stmt)) {
            $message = "Farbe erfolgreich aktualisiert!";
            $message_type = 'success';
        } else {
            $message = "Fehler beim Aktualisieren der Farbe.";
            $message_type = 'danger';
        }
        mysqli_stmt_close($stmt);
    } else { // Insert-Logik
        $stmt = mysqli_prepare($conn, "INSERT INTO colors (name, hex_code) VALUES (?, ?)");
        mysqli_stmt_bind_param($stmt, "ss", $name, $hex_code);
        if (mysqli_stmt_execute($stmt)) {
            $message = "Neue Farbe erfolgreich hinzugefügt!";
            $message_type = 'success';
        } else {
            $message = "Fehler beim Hinzufügen der Farbe.";
            $message_type = 'danger';
        }
        mysqli_stmt_close($stmt);
    }
}

// --- Logik zum Auslesen aller Farben ---
$colors = [];
$result = mysqli_query($conn, "SELECT id, name, hex_code FROM colors ORDER BY name");
while ($row = mysqli_fetch_assoc($result)) {
    $colors[] = $row;
}

require_once '../inc/header.php';
?>

<div class="container mt-5">
    <h2 class="mb-4">Farbverwaltung</h2>

    <?php if ($message) : ?>
        <div id="status-message" class="alert alert-<?php echo $message_type; ?> alert-dismissible fade show" role="alert">
            <?php echo htmlspecialchars($message); ?>
            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
        </div>
    <?php endif; ?>

    <div class="card shadow mb-4">
        <div class="card-header bg-primary text-white">
            <h4 class="mb-0"><?php echo $edit_mode ? 'Farbe bearbeiten' : 'Neue Farbe hinzufügen'; ?></h4>
        </div>
        <div class="card-body">
            <form action="colors.php" method="post">
                <?php if ($edit_mode): ?>
                    <input type="hidden" name="id" value="<?php echo htmlspecialchars($edit_color['id']); ?>">
                <?php endif; ?>
                <div class="row g-3 align-items-end">
                    <div class="col-md-5">
                        <label for="name" class="form-label">Name der Farbe</label>
                        <input type="text" class="form-control" id="name" name="name" value="<?php echo htmlspecialchars($edit_color['name'] ?? ''); ?>" required>
                        <div class="form-text" style="visibility: hidden;">&nbsp;</div>
                    </div>
                    <div class="col-md-5">
                        <label for="hex_code" class="form-label">Hex-Code</label>
                        <input type="color" class="form-control form-control-color" id="hex_code" name="hex_code" value="<?php echo htmlspecialchars($edit_color['hex_code'] ?? '#'); ?>">
                    </div>
                    <div class="col-md-2 d-flex flex-column justify-content-end">
                        <div class="d-flex w-100">
                            <button type="submit" class="btn btn-<?php echo $edit_mode ? 'success' : 'primary'; ?> w-100 me-2">
                                <?php echo $edit_mode ? 'Speichern' : 'Hinzufügen'; ?>
                            </button>
                            <?php if ($edit_mode): ?>
                                <a href="colors.php" class="btn btn-secondary w-100">Abbrechen</a>
                            <?php endif; ?>
                        </div>
                    </div>
                </div>
            </form>
        </div>
    </div>

    <div class="card shadow">
        <div class="card-header bg-secondary text-white">
            <h4 class="mb-0">Aktuelle Farben</h4>
        </div>
        <div class="card-body">
            <?php if (empty($colors)): ?>
                <p class="text-muted text-center">Es sind noch keine Farben vorhanden.</p>
            <?php else: ?>
                <div class="table-responsive">
                    <table class="table table-striped table-hover">
                        <thead>
                            <tr>
                                <th>Name</th>
                                <th>Hex-Code</th>
                                <th>Vorschau</th>
                                <th>Aktionen</th>
                            </tr>
                        </thead>
                        <tbody>
                            <?php foreach ($colors as $color): ?>
                                <tr>
                                    <td><?php echo htmlspecialchars($color['name']); ?></td>
                                    <td><?php echo htmlspecialchars($color['hex_code']); ?></td>
                                    <td>
                                        <div class="color-preview" style="background-color: <?php echo htmlspecialchars($color['hex_code']); ?>"></div>
                                    </td>
                                    <td>
                                        <a href="colors.php?action=edit&id=<?php echo htmlspecialchars($color['id']); ?>" class="text-dark me-1 text-decoration-none">
                                            <span class="material-icons">mode_edit_outline</span>
                                        </a>
                                        <a href="colors.php?action=delete&id=<?php echo htmlspecialchars($color['id']); ?>" class="text-danger text-decoration-none" onclick="return confirm('Sind Sie sicher, dass Sie diese Farbe löschen möchten?');">
                                            <span class="material-icons">delete_outline</span>
                                        </a>
                                    </td>
                                </tr>
                            <?php endforeach; ?>
                        </tbody>
                    </table>
                </div>
            <?php endif; ?>
        </div>
    </div>

</div>

<?php include('../inc/footer.php'); ?>