discord-bot/CompatBot/EventHandlers/BotStatusMonitor.cs

using System;
using System.Threading.Tasks;
using CompatBot.Database;
using DSharpPlus;
using DSharpPlus.Entities;
using Microsoft.EntityFrameworkCore;

namespace CompatBot.EventHandlers
{
    internal static class BotStatusMonitor
    {
        public static async Task RefreshAsync(DiscordClient client)
        {
            if (client == null)
                return;

            try
            {
                using var db = new BotDb();
                var status = await db.BotState.FirstOrDefaultAsync(s => s.Key == "bot-status-activity").ConfigureAwait(false);
                var txt = await db.BotState.FirstOrDefaultAsync(s => s.Key == "bot-status-text").ConfigureAwait(false);
                var msg = txt?.Value;
                if (Enum.TryParse(status?.Value ?? "Watching", true, out ActivityType activity)
                    && !string.IsNullOrEmpty(msg))
                    await client.UpdateStatusAsync(new DiscordActivity(msg, activity), UserStatus.Online).ConfigureAwait(false);
            }
            catch (Exception e)
            {
                Config.Log.Error(e);
            }
        }
    }
}