.NET core 2.1 AWS IoT and IotData test

Startup.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.SpaServices.Webpack;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;

using Amazon.Runtime;
using Amazon.IoT;
using Amazon.IotData;

namespace myapp
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvc();

            services.AddDefaultAWSOptions(Configuration.GetAWSOptions());
            services.AddAWSService<IAmazonIoT>();
            services.AddAWSService<IAmazonIotData>();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                app.UseWebpackDevMiddleware(new WebpackDevMiddlewareOptions
                {
                    HotModuleReplacement = true
                });
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
            }

            app.UseStaticFiles();

            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Home}/{action=Index}/{id?}");

                routes.MapSpaFallbackRoute(
                    name: "spa-fallback",
                    defaults: new { controller = "Home", action = "Index" });
            });
        }
    }
}

ThingController.cs

using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using System.Net.Http;

using Amazon.IoT;
using Amazon.IoT.Model;
using Amazon.IotData;
using Amazon.IotData.Model;

namespace myapp.Controllers
{
    [Route("api/[controller]")]
    public class ThingController : Controller
    {
        IAmazonIoT IoTClient { get; set; }
        IAmazonIotData IotDataClient { get; set; }

        public ThingController(IAmazonIoT iotClient, IAmazonIotData iotDataClient)
        {
            this.IoTClient = iotClient;
            this.IotDataClient = iotDataClient;
        }

        [HttpGet("[action]")]
        public async Task<IActionResult> Get(string serial)
        {
            GetThingShadowRequest request = new GetThingShadowRequest()
            {
                ThingName = serial
            };

            GetThingShadowResponse response = await this.IotDataClient.GetThingShadowAsync(request, new CancellationToken());
            StreamReader reader = new StreamReader(response.Payload);
            string shadow = reader.ReadToEnd();

            Console.WriteLine(shadow);

            return Ok(shadow);
        }

        [HttpGet("[action]")]
        public async Task<IActionResult> List()
        {
            ListThingsResponse response = await this.IoTClient.ListThingsAsync(new CancellationToken());

            return Ok(response.Things.Select(thing => thing.ThingName));
        }

        [HttpGet("[action]")]
        public async Task<IActionResult> Search(string fragment)
        {
            SearchIndexRequest request = new SearchIndexRequest()
            {
                MaxResults = 25,
                QueryString = $"thingName:{fragment}*"
            };

            SearchIndexResponse response = await this.IoTClient.SearchIndexAsync(request, new CancellationToken());

            return Ok(response.Things);
        }
    }
}