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


using Newtonsoft.Json;


using ServerCore; using ServerBase;


namespace ServerBase;

public abstract class CacheBase
{
    public DateTime CreatedDateTime { get; set; }
    public DateTime UpdatedDateTime { get; set; }
    public DateTime ExpireDateTime { get; set; }

    public CacheBase()
    {
        applyUpdatedDateTime();
    }

    protected void applyCreatedDateTime()
    {
        CreatedDateTime = DateTimeHelper.Current;
        applyUpdatedDateTime();
    }

    protected void applyExpireDateTime(TimeSpan elapsedTime)
    {
        ExpireDateTime = DateTimeHelper.Current + elapsedTime;
        applyUpdatedDateTime();
    }

    protected void applyUpdatedDateTime()
    {
        UpdatedDateTime = DateTimeHelper.Current;
    }

    public string toJsonString()
    {
        return $"{JsonConvert.SerializeObject(this)}";
    }
}