server/aspnetapp/Controllers/WebApi/CancelOrderController.cs

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using aspnetapp.Models;
using aspnetapp.Services;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Caching.Memory;

namespace aspnetapp.Controllers.WebApi
{
    [Route("api/[controller]")]
    [ApiController]
    public class CancelOrderController : ControllerBase
    {
        private readonly CounterContext _context;
        private IMemoryCache _memoryCache;
        private readonly IProductService _IProductService;

        public CancelOrderController(CounterContext context, IMemoryCache cache, IProductService iProductService)
        {
            _context = context;
            _IProductService = iProductService;
            this._memoryCache = cache ?? throw new ArgumentNullException(nameof(cache));
        }
        // GET: api/<CancelOrderController>
        [HttpGet]
        public async Task<ActionResult> Get(int id)
        {
            OrderEntity? thisOrder = await _context.Orders.FindAsync(id);
            if (thisOrder == null)
            {
                return NotFound("未找到该订单");
            }
            thisOrder.OrderStatus = (int)EnumCode.OrderStatus.已取消;
            thisOrder.CancelTime = DateTime.Now;

            if (_context.Goods.Any(s => s.Id == thisOrder.FoodsId && s.IsSpecial.GetValueOrDefault() == (int)EnumCode.yesno.是))
            {
                _IProductService.AddStock(thisOrder.FoodsId);
            }
            try
            {
                _context.SaveChanges();
            }
            catch (DbUpdateConcurrencyException)
            {
                return BadRequest("失败");
            }

            return Ok("success");
        }


        // POST api/<CancelOrderController>
        [HttpPost]
        public async Task<ActionResult> Post(int id)
        {
            OrderEntity? thisOrder = await _context.Orders.FindAsync(id);
            if (thisOrder == null)
            {
                return NotFound("未找到该订单");
            }