iot/projects/IoTDameon/Controllers/HomeController.cs

using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.SignalR;
using System;
using System.Reflection;
using System.Threading.Tasks;

namespace IoTDameon.Controllers
{
    public class HomeController : Controller
    {
        private readonly IWebHostEnvironment _env;
        private readonly UpdateIoTNodeService _service;
        private readonly IHubContext<DefaultHub> _hub;

        public HomeController(IWebHostEnvironment env, UpdateIoTNodeService service, IHubContext<DefaultHub> hub)
        {
            this._env = env;
            this._service = service;
            this._hub = hub;
        }

        public IActionResult Index()
        {
            return View();
        }

        public IActionResult Command(string command)
        {
            if (!string.IsNullOrEmpty(command))
            {
                try
                {
                    this._hub.Clients.All.SendAsync("ServerToClient", command.Bash());
                }
                catch (Exception ex)
                {
                    this._hub.Clients.All.SendAsync("ServerToClient", ex.ToString());
                    return Problem(ex.Message);
                }
            }
            return Ok();
        }

        public IActionResult Update()
        {
            try
            {
                Task.Run(() =>
                {
                    this._service.Update();
                });
            }
            catch (Exception ex)
            {
                this._hub.Clients.All.SendAsync("ServerToClient", ex.ToString());
                return Problem(ex.Message);
            }
            return Ok();
        }

        public IActionResult GetVersion()
        {
            return Content(Assembly.GetEntryAssembly().GetCustomAttribute<AssemblyInformationalVersionAttribute>().InformationalVersion);
        }
    }
}