171 lines
9.4 KiB
PHP
171 lines
9.4 KiB
PHP
<?php
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// admin_users.php
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require_once __DIR__ . '/lib/bootstrap.php';
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// 1) Zugriffskontrolle – nur ADMIN
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if (empty($_SESSION['user_id']) || empty($_SESSION['user_roles']) || !in_array('ADMIN', $_SESSION['user_roles'], true)) {
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die("Zugriff verweigert. Nur Administratoren dürfen diese Seite sehen.");
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}
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$conn = db_connect();
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// 2) Aktion: Benutzer löschen
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['delete_user_id'])) {
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$deleteId = (int)$_POST['delete_user_id'];
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// Vermeide Selbstlöschung zur Sicherheit
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if ($deleteId !== (int)$_SESSION['user_id']) {
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// Zunächst Abhängigkeiten wie Rollen löschen
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$conn->query("DELETE FROM userRoles WHERE userID = $deleteId");
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$delStmt = $conn->prepare("DELETE FROM users WHERE userID = ?");
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$delStmt->bind_param("i", $deleteId);
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$delStmt->execute();
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$delStmt->close();
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$successMsg = "Benutzer erfolgreich gelöscht.";
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} else {
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$errorMsg = "Du kannst dich nicht selbst löschen.";
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}
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}
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// 2b) Aktion: Rollen aktualisieren
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['update_roles_user_id'])) {
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$updateId = (int)$_POST['update_roles_user_id'];
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$selectedRoles = isset($_POST['roles']) && is_array($_POST['roles']) ? $_POST['roles'] : [];
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if ($updateId === (int)$_SESSION['user_id']) {
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$errorMsg = "Du kannst deine eigenen Rollen nicht ändern.";
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} else {
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$delStmt = $conn->prepare("DELETE FROM userRoles WHERE userID = ?");
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$delStmt->bind_param("i", $updateId);
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$delStmt->execute();
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$delStmt->close();
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if (!empty($selectedRoles)) {
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$insStmt = $conn->prepare("INSERT INTO userRoles (userID, roleID) VALUES (?, ?)");
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foreach ($selectedRoles as $roleId) {
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$roleIdInt = (int)$roleId;
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$insStmt->bind_param("ii", $updateId, $roleIdInt);
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$insStmt->execute();
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}
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$insStmt->close();
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}
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$successMsg = "Rollen erfolgreich gespeichert.";
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}
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}
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// 2c) Alle verfügbaren Rollen laden
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$allRoles = [];
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$rolesQuery = $conn->query("SELECT roleID, name FROM roles ORDER BY name ASC");
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if ($rolesQuery) {
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while ($r = $rolesQuery->fetch_assoc()) {
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$allRoles[] = $r;
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}
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}
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// 3) Alle Benutzer laden
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$usersResult = $conn->query("
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SELECT u.userID, u.email, u.displayname, u.profilePicture, u.isActive,
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GROUP_CONCAT(ur.roleID) as roleIDs
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FROM users u
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LEFT JOIN userRoles ur ON u.userID = ur.userID
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GROUP BY u.userID
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ORDER BY u.userID ASC
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");
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?>
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<?php include 'header.php'; ?>
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<main class="auth" role="main">
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<section class="auth__grid" style="display: block; max-width: 900px; margin: 40px auto; width: 90%;">
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<div class="auth__card" style="width: 100%;">
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<header class="auth__header">
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<h1 class="auth__title">Benutzerverwaltung</h1>
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<p style="text-align: center; color: #94a3b8; font-size: 0.9rem; margin-top: 5px;">Hier siehst du alle registrierten Benutzer.</p>
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</header>
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<?php if (!empty($successMsg)): ?>
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<div class="auth__message auth__message--success" style="color: #4ade80; background: #064e3b; padding: 10px; border-radius: 4px; margin-bottom: 15px; text-align: center;"><?= htmlspecialchars($successMsg) ?></div>
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<?php endif; ?>
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<?php if (!empty($errorMsg)): ?>
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<div class="auth__message auth__message--error" style="color: #f87171; background: #7f1d1d; padding: 10px; border-radius: 4px; margin-bottom: 15px; text-align: center;"><?= htmlspecialchars($errorMsg) ?></div>
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<?php endif; ?>
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<div style="overflow-x: auto; margin-top: 20px;">
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<table style="width: 100%; border-collapse: collapse; text-align: left; color: #f8fafc;">
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<thead>
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<tr style="border-bottom: 2px solid #334155;">
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<th style="padding: 12px 10px;">ID</th>
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<th style="padding: 12px 10px;">Profil</th>
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<th style="padding: 12px 10px;">Name</th>
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<th style="padding: 12px 10px;">E-Mail</th>
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<th style="padding: 12px 10px;">Rollen</th>
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<th style="padding: 12px 10px;">Aktionen</th>
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</tr>
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</thead>
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<tbody>
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<?php while ($user = $usersResult->fetch_assoc()): ?>
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<?php
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$userRoles = !empty($user['roleIDs']) ? explode(',', $user['roleIDs']) : [];
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$isSelf = (int)$user['userID'] === (int)$_SESSION['user_id'];
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?>
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<tr style="border-bottom: 1px solid #1e293b;">
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<td style="padding: 12px 10px;"><?= $user['userID'] ?></td>
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<td style="padding: 12px 10px;">
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<img src="<?= !empty($user['profilePicture']) ? htmlspecialchars($user['profilePicture']) : 'assets/images/placeholder.png' ?>"
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alt="Profil" style="width: 40px; height: 40px; border-radius: 50%; object-fit: cover; display: block;">
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</td>
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<td style="padding: 12px 10px;"><?= htmlspecialchars($user['displayname']) ?></td>
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<td style="padding: 12px 10px; word-break: break-all;"><?= htmlspecialchars($user['email']) ?></td>
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<td style="padding: 12px 10px; min-width: 150px;">
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<?php if (!$isSelf): ?>
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<form method="post" action="admin_users.php" style="margin: 0; display: flex; flex-direction: column; gap: 5px;">
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<input type="hidden" name="update_roles_user_id" value="<?= $user['userID'] ?>">
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<select name="roles[]" multiple size="3" style="background: #0f172a; color: #f8fafc; border: 1px solid #334155; padding: 5px; border-radius: 4px; font-size: 0.85rem; width: 100%;">
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<?php foreach ($allRoles as $role): ?>
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<option value="<?= $role['roleID'] ?>" <?= in_array($role['roleID'], $userRoles) ? 'selected' : '' ?>>
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<?= htmlspecialchars($role['name']) ?>
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</option>
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<?php endforeach; ?>
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</select>
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<p style="font-size: 0.7rem; color: #94a3b8; margin: 0;">Strg/Cmd für Mehrfachauswahl</p>
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<button type="submit" style="background-color: #3b82f6; color: white; border: none; padding: 4px 8px; border-radius: 4px; cursor: pointer; font-size: 0.75rem; width: fit-content; margin-top: 5px;">Speichern</button>
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</form>
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<?php else: ?>
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<div style="display: flex; flex-wrap: wrap; gap: 5px;">
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<?php foreach ($allRoles as $role): ?>
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<?php if (in_array($role['roleID'], $userRoles)): ?>
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<span style="background-color: #3b82f6; color: white; padding: 2px 6px; border-radius: 4px; font-size: 0.75rem;"><?= htmlspecialchars($role['name']) ?></span>
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<?php endif; ?>
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<?php endforeach; ?>
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</div>
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<?php endif; ?>
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</td>
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<td style="padding: 12px 10px;">
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<?php if (!$isSelf): ?>
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<form method="post" action="admin_users.php" onsubmit="return confirm('Benutzer wirklich löschen?');" style="margin: 0;">
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<input type="hidden" name="delete_user_id" value="<?= $user['userID'] ?>">
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<button type="submit" class="auth__submit" style="background-color: #ef4444; color: white; border: none; padding: 6px 12px; border-radius: 4px; cursor: pointer; font-size: 0.85rem; width: auto; margin: 0;">Löschen</button>
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</form>
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<?php else: ?>
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<span style="color: #94a3b8; font-size: 0.85rem; padding: 6px 0; display: inline-block;">Das bist du</span>
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<?php endif; ?>
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</td>
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</tr>
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<?php endwhile; ?>
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</tbody>
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</table>
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</div>
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<div class="auth__actions" style="margin-top: 30px; text-align: center;">
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<a href="account.php" style="color: #64748b; text-decoration: none; font-size: 0.95rem;">← Zurück zum Profil</a>
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</div>
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</div>
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</section>
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</main>
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<?php include 'footer.php'; ?>
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