//using MediatR;
//using Store.Framework.Models;
//using Store.Shops.Contracts;
//using Store.Users.Contracts.Dtos;
//using Store.Users.Entities;
//using Store.Users.Repositories;
//using System;
//using System.Collections.Generic;
//using System.Text;
//namespace Store.Users.Commands
//{
// ///
// /// 商铺续费
// ///
// ///
// ///
// ///
// internal record class ShopRenewCommand(string UserName, string ShopId, int RenewDuration) : IRequest;
// internal class ShopRenewCommandHandler : IRequestHandler
// {
// private readonly IUserRepository _userRepository;
// private readonly IShopQueryService _shopQueryService;
// public ShopRenewCommandHandler(IUserRepository userRepository, IShopQueryService shopQueryService)
// {
// _userRepository = userRepository;
// _shopQueryService = shopQueryService;
// }
// async Task IRequestHandler.Handle(ShopRenewCommand request, CancellationToken cancellationToken)
// {
// ShopRenewResponse response = new ShopRenewResponse();
// var user = await _userRepository.GetUser(request.UserName);
// int shopPointsPerMonth = Math.Max(30, user.ShopPointsPerMonth);
// int deltaPoints = shopPointsPerMonth * request.RenewDuration;
// int newPoints = (int)user.Points - deltaPoints;
// DateTime expireTime = _shopQueryService.GetExpireTime(request.ShopId);
// if (currentExpire != null && currentExpire.ExpireTime > 0)
// {
// DateTime currentExpireTime = TimeUtils.StampToDateTime(currentExpire.ExpireTime);
// if (currentExpireTime > expireBaseTime)
// {
// expireBaseTime = currentExpireTime;
// }
// }
// int newExpireTime = CalculateNewExpireTime(expireBaseTime, request.RenewDuration);
// response.ShopId = request.ShopId;
// response.UserPoints = newPoints;
// response.ExpireTime = newExpireTime;
// return response;
// }
// private int CalculateNewExpireTime(DateTime expireBaseTime, int renewDuration)
// {
// DateTime newExpireDateTime;
// try
// {
// newExpireDateTime = expireBaseTime.AddMonths(renewDuration);
// }
// catch (ArgumentOutOfRangeException)
// {
// throw new InvalidOperationException("续费时长超出允许范围");
// }
// if (newExpireDateTime > TimeUtils.StampToDateTime(int.MaxValue))
// {
// throw new InvalidOperationException("续费时间超出系统支持范围");
// }
// return TimeUtils.DateTimeToTimestampSeconds(newExpireDateTime);
// }
// }
//}