231 lines
11 KiB
PHP
Executable File
231 lines
11 KiB
PHP
Executable File
<?php
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session_start();
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if (!isset($_SESSION['user_id'])) {
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header("Location: login.php");
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exit();
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}
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require_once 'inc/db.php';
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$is_admin = ($_SESSION['role'] === 'admin');
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$message = '';
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$message_type = '';
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$edit_mode = false;
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$edit_color = null;
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// --- Nur Admins: Löschen ---
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if ($is_admin && isset($_GET['action']) && $_GET['action'] == 'delete' && isset($_GET['id'])) {
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$id = (int)$_GET['id'];
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$stmt = mysqli_prepare($conn, "DELETE FROM colors WHERE id = ?");
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mysqli_stmt_bind_param($stmt, "i", $id);
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if (mysqli_stmt_execute($stmt)) {
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$message = "Farbe erfolgreich gelöscht!";
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$message_type = 'success';
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} else {
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$message = "Fehler beim Löschen der Farbe.";
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$message_type = 'danger';
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}
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mysqli_stmt_close($stmt);
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header("Location: colors.php");
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exit();
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}
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// --- Nur Admins: Bearbeiten ---
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if ($is_admin && isset($_GET['action']) && $_GET['action'] == 'edit' && isset($_GET['id'])) {
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$id = (int)$_GET['id'];
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$stmt = mysqli_prepare($conn, "SELECT id, name, hex_code, is_special FROM colors WHERE id = ?");
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mysqli_stmt_bind_param($stmt, "i", $id);
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mysqli_stmt_execute($stmt);
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$result = mysqli_stmt_get_result($stmt);
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$edit_color = mysqli_fetch_assoc($result);
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mysqli_stmt_close($stmt);
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if ($edit_color) {
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$edit_mode = true;
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} else {
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$message = "Farbe nicht gefunden.";
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$message_type = 'warning';
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}
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}
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// --- Nur Admins: Speichern ---
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if ($is_admin && $_SERVER["REQUEST_METHOD"] == "POST") {
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$name = trim($_POST['name'] ?? '');
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$hex_code = trim($_POST['hex_code'] ?? '');
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$is_special = !empty($_POST['is_special']) ? 1 : 0;
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$id = !empty($_POST['id']) ? (int)$_POST['id'] : null;
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if (empty($name) || empty($hex_code)) {
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$message = "Name und Farbcode sind erforderlich.";
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$message_type = 'danger';
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} else {
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if ($id) {
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$stmt = mysqli_prepare($conn, "UPDATE colors SET name = ?, hex_code = ?, is_special = ? WHERE id = ?");
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mysqli_stmt_bind_param($stmt, "ssii", $name, $hex_code, $is_special, $id);
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} else {
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$stmt = mysqli_prepare($conn, "INSERT INTO colors (name, hex_code, is_special) VALUES (?, ?, ?)");
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mysqli_stmt_bind_param($stmt, "ssi", $name, $hex_code, $is_special);
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}
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if (mysqli_stmt_execute($stmt)) {
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$message = $id ? "Farbe erfolgreich aktualisiert!" : "Neue Farbe erfolgreich hinzugefügt!";
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$message_type = 'success';
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} else {
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$message = "Fehler beim Speichern der Farbe.";
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$message_type = 'danger';
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}
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mysqli_stmt_close($stmt);
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header("Location: colors.php");
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exit();
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}
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}
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// --- Farben mit Nutzungszähler laden ---
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$colors = [];
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$result = mysqli_query($conn, "
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SELECT
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c.id,
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c.name,
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c.hex_code,
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c.is_special,
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COUNT(m.id) AS usage_count
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FROM colors c
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LEFT JOIN meetings m ON c.id = m.color_id
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GROUP BY c.id, c.name, c.hex_code, c.is_special
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ORDER BY c.name
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");
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while ($row = mysqli_fetch_assoc($result)) {
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$colors[] = $row;
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}
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require_once 'inc/header.php';
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?>
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<div class="container mt-5">
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<?php if ($message): ?>
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<div class="alert alert-<?= htmlspecialchars($message_type) ?> alert-dismissible fade show" role="alert">
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<?= htmlspecialchars($message) ?>
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<button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
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</div>
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<?php endif; ?>
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<div class="d-flex justify-content-between align-items-center mb-4">
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<h2 class="mb-0">Farbverwaltung</h2>
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</div>
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<?php if ($is_admin): ?>
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<div class="collapse <?= $edit_mode ? 'show' : '' ?>" id="colorFormCollapse">
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<div class="card shadow mb-4">
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<div class="card-header bg-primary-subtle text-secondary">
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<h4 class="mb-0"><?= $edit_mode ? 'Farbe bearbeiten' : 'Neue Farbe hinzufügen'; ?></h4>
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</div>
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<div class="card-body">
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<form action="colors.php" method="post">
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<?php if ($edit_mode): ?>
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<input type="hidden" name="id" value="<?= htmlspecialchars($edit_color['id']); ?>">
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<?php endif; ?>
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<div class="row g-3">
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<div class="col-md-6">
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<label for="name" class="form-label">Name der Farbe</label>
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<input type="text" class="form-control" id="name" name="name"
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value="<?= htmlspecialchars($edit_color['name'] ?? ''); ?>" required>
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</div>
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<div class="col-md-6">
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<label for="hex_code" class="form-label">Hex-Code</label>
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<input type="color" class="form-control form-control-color" id="hex_code" name="hex_code"
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value="<?= htmlspecialchars($edit_color['hex_code'] ?? '#000000'); ?>">
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</div>
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<div class="col-12">
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<div class="form-check">
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<input class="form-check-input" type="checkbox" id="is_special" name="is_special" <?= (!empty($edit_color['is_special']) ? 'checked' : ''); ?>>
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<label class="form-check-label" for="is_special">
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Sonderfarbe (wird nicht im Zufallsmodus verwendet)
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</label>
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</div>
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</div>
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<div class="col-12 d-flex justify-content-start mt-2">
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<button type="submit" class="btn btn-sm btn-outline-<?= $edit_mode ? 'success' : 'primary'; ?> me-2">
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<?= $edit_mode ? 'Speichern' : 'Hinzufügen'; ?>
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</button>
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<a href="colors.php" class="btn btn-sm btn-outline-secondary">Abbrechen</a>
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</div>
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</div>
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</form>
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</div>
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</div>
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</div>
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<?php endif; ?>
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<div class="card shadow">
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<div class="card-header bg-primary-subtle text-secondary d-flex justify-content-between align-items-center">
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<h4 class="mb-0">Aktuelle Farben</h4>
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<?php if ($is_admin): ?>
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<a class="btn btn-sm d-flex align-items-center justify-content-center" data-bs-toggle="collapse" href="#colorFormCollapse" role="button" aria-expanded="false" aria-controls="colorFormCollapse">Add
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<span class="material-symbols-outlined">add</span>
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</a>
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<?php endif; ?>
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</div>
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<div class="card-body">
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<?php if (empty($colors)): ?>
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<p class="text-muted text-center">Es sind noch keine Farben vorhanden.</p>
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<?php else: ?>
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<div class="table-responsive">
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<table class="table table-striped table-hover">
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<thead>
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<tr>
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<th>Name</th>
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<th>Farbe</th>
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<th>Anz</th>
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<?php if ($is_admin): ?>
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<th>Aktionen</th>
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<?php endif; ?>
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</tr>
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</thead>
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<tbody>
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<?php foreach ($colors as $color): ?>
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<tr>
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<td>
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<?= htmlspecialchars($color['name']); ?>
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<?php if ($color['is_special']): ?>
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<span class="badge bg-info ms-1" title="Sonderfarbe – nicht im Zufallsmodus">★</span>
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<?php endif; ?>
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</td>
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<td>
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<div style="background-color: <?= htmlspecialchars($color['hex_code']); ?>; width: 40px; height: 20px; border: 1px solid #ccc;"></div>
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</td>
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<td>
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<?= (int)$color['usage_count']; ?>
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</td>
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<?php if ($is_admin): ?>
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<td class="text-end align-middle">
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<div class="dropdown">
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<a href="#" class="text-secondary" role="button" data-bs-toggle="dropdown" aria-expanded="false">
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<span class="material-icons">more_vert</span>
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</a>
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<ul class="dropdown-menu dropdown-menu-end">
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<li>
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<a class="dropdown-item d-flex align-items-center" href="colors.php?action=edit&id=<?= htmlspecialchars($color['id']); ?>">
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<span class="material-icons me-2">mode_edit_outline</span> Bearbeiten
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</a>
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</li>
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<li>
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<a class="dropdown-item d-flex align-items-center text-danger" href="colors.php?action=delete&id=<?= htmlspecialchars($color['id']); ?>" onclick="return confirm('Sind Sie sicher, dass Sie diese Farbe löschen möchten?');">
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<span class="material-icons me-2">delete_outline</span> Löschen
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</a>
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</li>
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</ul>
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</div>
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</td>
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<?php endif; ?>
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</tr>
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<?php endforeach; ?>
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</tbody>
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</table>
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</div>
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<?php endif; ?>
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</div>
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</div>
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</div>
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<?php include('inc/footer.php'); ?>
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