prepare('SELECT role FROM users WHERE id = ?');
$stmt->execute([$user_id]);
$user_role = $stmt->fetchColumn();
if ($user_role !== 'leader') {
// Redirect non-leaders
header('Location: communities.php');
exit;
}
// Handle delete
if (isset($_GET['delete'])) {
$community_id_to_delete = $_GET['delete'];
// further check if the current user is the owner of the community
$stmt = $pdo->prepare('DELETE FROM communities WHERE id = ? AND leader_id = ?');
$stmt->execute([$community_id_to_delete, $user_id]);
header('Location: manage_communities.php');
exit;
}
// Handle form submission for creating/editing
$name = $description = '';
$errors = [];
$edit_id = null;
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$name = trim($_POST['name'] ?? '');
$description = trim($_POST['description'] ?? '');
$edit_id = $_POST['edit_id'] ?? null;
if (empty($name)) {
$errors[] = 'Community name is required';
}
if (empty($errors)) {
try {
if ($edit_id) {
// Update existing community
$stmt = $pdo->prepare('UPDATE communities SET name = ?, description = ? WHERE id = ? AND leader_id = ?');
$stmt->execute([$name, $description, $edit_id, $user_id]);
} else {
// Create new community
$stmt = $pdo->prepare('INSERT INTO communities (name, description, leader_id) VALUES (?, ?, ?)');
$stmt->execute([$name, $description, $user_id]);
}
header('Location: manage_communities.php');
exit;
} catch (PDOException $e) {
$errors[] = 'Database error: ' . $e->getMessage();
}
}
}
// Fetch community to edit if an id is passed
if (isset($_GET['edit'])) {
$edit_id = $_GET['edit'];
$stmt = $pdo->prepare('SELECT * FROM communities WHERE id = ? AND leader_id = ?');
$stmt->execute([$edit_id, $user_id]);
$community_to_edit = $stmt->fetch();
if ($community_to_edit) {
$name = $community_to_edit['name'];
$description = $community_to_edit['description'];
}
}
// Fetch all communities led by the user
$stmt = $pdo->prepare('SELECT * FROM communities WHERE leader_id = ? ORDER BY created_at DESC');
$stmt->execute([$user_id]);
$communities = $stmt->fetchAll();
?>
Manage Communities - Community Hub