<?php
    $_id = isset($_GET['i']) ? intval($_GET['i']) : 0;
    $_name = isset($_POST['name']) ? trim(strval($_POST['name'])) : ''; 
    
    $community = mysqli_query_logged("SELECT * FROM community WHERE community_id = " . sq($_id));
    if (!$community_row = mysqli_fetch_assoc($community))
    {
        make_cookie('notice', 'Sorry, but this community does not exist.');
        header('Location: ./?s=community_create');
        die;
    }
    
    require_once('include/functions/community_permissions.php');
    community_permissions($community_row['community_id']);
    
    if (!$GLOBALS['auth']['community']['administration'])
    {
        make_cookie('notice', 'Sorry, you don\'t have permission to modify this community.');
        header('Location: ./?s=community_create');
        die;
    }
    
    require_once('include/functions/community_name_valid.php');
    if ($error = community_name_valid($_name))    
    {
        make_cookie('notice', $error);
        header('Location: ./?s=community_modify&i=' . $community_row['community_id']);
        die;        
    }

    mysqli_query_logged("UPDATE community SET community_name = " . sq($_name) . " WHERE community_id = '" . $community_row['community_id'] . "'");

    header('Location: ./?s=community_modify&i=' . $community_row['community_id']);
    die;
?>