AppSAV/MauiAppStock/Data/SingletonConnection.cs

using SQLite;
using System.IO;

namespace MauiAppStock.Data
{
    public class SingletonConnection : SQLiteAsyncConnection
    {
        private static SingletonConnection instance;

        private SingletonConnection(string dbPath) : base(dbPath)
        {
        }

        public static SingletonConnection GetInstance(string dbPath)
        {
            if (instance == null)
            {
                instance = new SingletonConnection(dbPath);
            }
            return instance;
        }
    }
}