GamecraftRichPresenceMod/GamecraftRPC/Events/GamePresenceHandler.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

using GamecraftModdingAPI.Events;
using Svelto.ECS;
using RobocraftX.Common;

using Discord;

namespace GamecraftRPC.Events
{
    class GamePresenceHandler : SimpleEventHandlerEngine
    {
        public static readonly string HandlerName = "GamecraftRPCGamePresenceEventHandler";

        //private Discord.Discord discordRPC = null;

        public static void OnAdd(Discord.Discord discordRPC)
        {
            PresenceUtility.LastGameStart = (int)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;
            
            LobbyTransaction ltxn = discordRPC.GetLobbyManager().GetLobbyCreateTransaction();
            UserManager um = discordRPC.GetUserManager();
            um.OnCurrentUserUpdate += () =>
            {
                ltxn.SetOwner(um.GetCurrentUser().Id);
                ltxn.SetCapacity((uint)PresenceUtility.LobbySize);
                ltxn.SetType(LobbyType.Private);
                ltxn.SetMetadata("ownerSteamId", Steamworks.SteamClient.SteamId.AccountId.ToString());
                discordRPC.GetLobbyManager().CreateLobby(ltxn,
                    (Result result, ref Lobby lobby) =>
                    {
                        GamecraftModdingAPI.Utility.Logging.LogDebug($"Lobby status: {result}");
                        PresenceUtility.LobbyId = lobby.Id;
                        PresenceUtility.GameSecret = lobby.Secret;

                    });
            };            
            Plugin.SetDiscordActivity(discordRPC, state: "In-Game", details: $"Editing {GameMode.SaveGameDetails.Name}", start: PresenceUtility.LastGameStart, partyId: PresenceUtility.PartyId.ToString(), partyCurrentSize: 1, partyMaxSize: PresenceUtility.LobbySize, debug: "GamePresence-OnAdd");
        }

        public GamePresenceHandler(Discord.Discord _discordRPC) : base((db) => { OnAdd(_discordRPC); }, (db) => { }, EventType.GameSwitchedTo, HandlerName)
        {
            //this.discordRPC = _discordRPC;
        }
    }
}