iot/projects/Platform/Controllers/ServerController.cs

using Application.Domain.Entities;
using Infrastructure.Data;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.DependencyInjection;
using System;
using System.Linq;

namespace Platform.Controllers
{
    /// <summary>
    /// 作为平台服务器，响应网关节点的HTTP请求 
    /// </summary>
    public class ServerController : ControllerBase
    {
        private readonly IServiceProvider _services;

        public ServerController(IServiceProvider services)
        {
            this._services = services;
        }

        /// <summary>
        /// 根据编号查询设备是否存在
        /// </summary>
        /// <param name="number"></param>
        /// <returns></returns>
        public bool HasProduct(string number)
        {
            using var scope = this._services.CreateScope();
            var repo = scope.ServiceProvider.GetRequiredService<IRepository<IoTProduct>>();
            return repo.ReadOnlyTable().Any(o => o.Number == number);
        }
    }
}