prepare("SELECT id FROM tabs WHERE login_token = ?");
$stmt->execute([$token]);
$tab = $stmt->fetch();
if ($tab) {
// Log in as a temporary guest for this tab
$_SESSION['guest_tab_id'] = $tab['id'];
// Redirect to the tab view without the token in the URL
header('Location: index.php?tab=' . $tab['id']);
exit;
} else {
// Invalid token, redirect to login or show an error
header('Location: login.php?error=invalid_token');
exit;
}
}
require_once 'include/auth.php';
// Fetch all settings for theme and layout
$stmt = $pdo->query("SELECT key, value FROM settings");
$settings = $stmt->fetchAll(PDO::FETCH_KEY_PAIR);
$open_in_new_tab = $settings['open_new_tab'] ?? '1';
$target_attr = $open_in_new_tab === '1' ? 'target="_blank"' : '';
// Get current user ID if logged in
$current_user_id = $_SESSION['user_id'] ?? null;
$current_user_role = $_SESSION['role'] ?? null;
$guest_tab_id = $_SESSION['guest_tab_id'] ?? null;
// Base query for fetching tabs
$tabs_stmt_sql = "SELECT DISTINCT t.* FROM tabs t ";
$params = [];
// Logic to determine which tabs are visible based on role and explicit permissions
$visibility_conditions = "
LEFT JOIN user_tab_visibility utv ON t.id = utv.tab_id AND utv.user_id = :current_user_id
WHERE utv.user_id IS NULL
";
if ($guest_tab_id) {
// Guest user with token can only see the specific tab
$tabs_stmt_sql .= "WHERE t.id = :guest_tab_id";
$params[':guest_tab_id'] = $guest_tab_id;
} else if ($current_user_id) {
if ($current_user_role === 'admin') {
// Admin sees all tabs that are not explicitly hidden for them
$tabs_stmt_sql .= $visibility_conditions;
} else { // 'user' and 'viewer' roles
// Users/Viewers see public tabs, their own tabs, or tabs they have access to,
// as long as they are not explicitly hidden.
$tabs_stmt_sql .= "
LEFT JOIN tab_viewer_access tva ON t.id = tva.tab_id
{$visibility_conditions}
AND (t.user_id IS NULL OR t.user_id = :current_user_id OR tva.user_id = :current_user_id)
";
}
$params[':current_user_id'] = $current_user_id;
} else {
// Guest sees only public (ownerless) tabs
$tabs_stmt_sql .= "WHERE t.user_id IS NULL";
}
$tabs_stmt_sql .= " ORDER BY t.sort_order, t.id";
$tabs_stmt = $pdo->prepare($tabs_stmt_sql);
$tabs_stmt->execute($params);
$tabs = $tabs_stmt->fetchAll();
// Determine the default tab to show.
// If the requested tab is not in the visible list, fall back to the first visible one.
$visible_tab_ids = array_column($tabs, 'id');
$current_tab_id = isset($_GET['tab']) ? (int)$_GET['tab'] : ($visible_tab_ids[0] ?? 1);
if (!in_array($current_tab_id, $visible_tab_ids)) {
$current_tab_id = $visible_tab_ids[0] ?? 1;
}
// Fetch details for the current tab to get background info
$current_tab_data = null;
if ($current_tab_id) {
$tab_details_stmt = $pdo->prepare("SELECT * FROM tabs WHERE id = :id");
$tab_details_stmt->execute([':id' => $current_tab_id]);
$current_tab_data = $tab_details_stmt->fetch();
}
// Get the ID of the 'FAVORITES' category (case-insensitive)
$fav_cat_stmt = $pdo->prepare("SELECT id FROM categories WHERE UPPER(name) = 'FAVORITES'");
$fav_cat_stmt->execute();
$favorites_cat_id = $fav_cat_stmt->fetchColumn();
// Fetch favorite bookmarks from the 'FAVORITES' category for the current tab
$fav_stmt = $pdo->prepare("
SELECT b.*
FROM bookmarks b
JOIN categories c ON b.category_id = c.id
WHERE b.is_favorite = 1 AND c.tab_id = :tab_id
ORDER BY b.sort_order ASC, b.title ASC
");
$fav_stmt->execute([':tab_id' => $current_tab_id]);
$favorites = $fav_stmt->fetchAll();
// Fetch categories for the current tab, excluding 'FAVORITES'
$cat_stmt = $pdo->prepare("SELECT * FROM categories WHERE tab_id = :tab_id AND UPPER(name) != 'FAVORITES' ORDER BY sort_order ASC, name ASC");
$cat_stmt->execute([':tab_id' => $current_tab_id]);
$categories = $cat_stmt->fetchAll();
// Fetch bookmarks for each category
$bookmarks_by_cat = [];
if ($categories) {
$bookmarks_stmt = $pdo->prepare("SELECT * FROM bookmarks WHERE category_id = :cat_id AND (is_favorite IS NULL OR is_favorite = 0) ORDER BY sort_order ASC, title ASC");
foreach ($categories as $category) {
$bookmarks_stmt->execute([':cat_id' => $category['id']]);
$bookmarks_by_cat[$category['id']] = $bookmarks_stmt->fetchAll();
}
}
require_once 'include/header.php';
?>