OnDigitalClockAlarmsSet

using System.Collections.Generic;
using System;
using Newtonsoft.Json;
using Oxide.Core;

namespace Oxide.Plugins
{
    [Info("Digital Clock Alarm Guard", "RustPluginGenerator", "1.0.0")]
    [Description("Restricts who can change digital clock alarm settings using a permission.")]
    public class DigitalClockAlarmGuard : RustPlugin
    {
        private const string PermUse = "digitalclockalarmguard.set";

        private PluginConfig config;

        public class PluginConfig
        {
            [JsonProperty("Allow admin bypass")]
            public bool AllowAdminBypass { get; set; } = true;
        }

        protected override void LoadDefaultConfig() => config = new PluginConfig();

        protected override void LoadConfig()
        {
            base.LoadConfig();
            try
            {
                config = Config.ReadObject<PluginConfig>();
                if (config == null) throw new Exception();
            }
            catch
            {
                PrintWarning("Configuration file is invalid, using defaults");
                LoadDefaultConfig();
            }
            SaveConfig();
        }

        protected override void SaveConfig() => Config.WriteObject(config);

        protected override void LoadDefaultMessages()
        {
            lang.RegisterMessages(new Dictionary<string, string>
            {
                ["NoPermission"] = "You do not have permission to change digital clock alarm settings."
            }, this);
        }

        private string Msg(string key, string userId = null, params object[] args)
            => string.Format(lang.GetMessage(key, this, userId), args);

        private void Init()
        {
            permission.RegisterPermission(PermUse, this);
        }

        private object OnDigitalClockAlarmsSet(DigitalClock digitalClock, ProtoBuf.DigitalClockMessage digitalClockMessage)
        {
            if (digitalClock == null)
                return null;

            ulong ownerId = digitalClock.OwnerID;
            if (ownerId == 0)
                return true;

            BasePlayer player = BasePlayer.FindByID(ownerId);
            if (player == null || !player.IsConnected)
                return true;

            if (config.AllowAdminBypass && player.IsAdmin)
                return null;

            if (permission.UserHasPermission(player.UserIDString, PermUse))
                return null;

            player.ChatMessage(Msg("NoPermission", player.UserIDString));
            return true;
        }
    }
}