chaosbot/ChaosBot/Controllers/DBWork.cs

using System;
using System.Data;
using Microsoft.Data.Sqlite;
using Microsoft.Extensions.Configuration;
using NLog;

namespace ChaosBot.Controllers
{
    public class DBWork
    {
        private static SqliteConnection _conn = new SqliteConnection($"Data Source={System.IO.Directory.GetCurrentDirectory()}{Program.Cfg.GetValue<string>("Bot:Database")}");
        private static Logger _logger = Program._logger;
        
        public static DataTable RawQuery(string query)
        {
            DataTable dt = new DataTable();
            
            try
            {
                using (_conn)
                {
                    _conn.Open();

                    SqliteCommand cmd = _conn.CreateCommand();
                    cmd.CommandText = query;
                    SqliteDataReader executeReader = cmd.ExecuteReader(CommandBehavior.SingleResult);
                    
                    dt.Load(executeReader);
                    
                    _conn.Close();
                }
            }
            catch (Exception ex)
            {
                _logger.Fatal($"Controllers.DBWork.RawQuery: Exception [{ex}] thrown, <[{ex.Message}]>.");
            }
            
            return dt;
        }
    }

    public class Raffle
    {
        private int _id;
        private ulong userId;
    }
}