beep/includes/class-moderation.php

<?php
if (!defined('ABSPATH')) {
    exit;
}

class Beep_Moderation {

    const BAN_META_KEY = 'beep_banned';

    public static function init() {
        add_action('show_user_profile',         [__CLASS__, 'profile_field']);
        add_action('edit_user_profile',         [__CLASS__, 'profile_field']);
        add_action('personal_options_update',   [__CLASS__, 'save_profile_field']);
        add_action('edit_user_profile_update',  [__CLASS__, 'save_profile_field']);
    }

    public static function profile_field($user) {
        if (!current_user_can('edit_users') && get_current_user_id() !== $user->ID) {
            return;
        }
        $can_ban = current_user_can('edit_users');
        $banned  = get_user_meta($user->ID, self::BAN_META_KEY, true) === '1';
        ?>
        <h2>Beep moderation</h2>
        <table class="form-table">
            <tr>
                <th><label for="beep_banned">Beep status</label></th>
                <td>
                    <?php if ($can_ban) : ?>
                        <label>
                            <input type="checkbox" name="beep_banned" id="beep_banned" value="1" <?php checked($banned); ?>>
                            Suspend this user from beeping, liking, and replying
                        </label>
                    <?php else : ?>
                        <?php echo $banned ? 'Your account is currently suspended.' : 'Active.'; ?>
                    <?php endif; ?>
                </td>
            </tr>
        </table>
        <?php
    }

    public static function save_profile_field($user_id) {
        if (!current_user_can('edit_users')) {
            return;
        }
        $val = isset($_POST['beep_banned']) ? '1' : '';
        update_user_meta($user_id, self::BAN_META_KEY, $val);
    }
}