iot/projects/IoTCenter/Controllers/AppController.cs

using Application.Domain.Entities;
using Application.Models;
using Infrastructure.Data;
using Infrastructure.Extensions;
using Infrastructure.Jwt;
using IoTCenter.Services;
using IoTShared.Services;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.SignalR;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Vibrant.InfluxDB.Client;
using Vibrant.InfluxDB.Client.Rows;

namespace IoTCenter.Controllers
{
    public class AppController : Controller
    {
        private readonly IConfiguration _configuration;
        private readonly IJwtHelper _jwtHelper;
        private readonly IRepository<Node> _nodeRepo;
        private readonly IRepository<Device> _deviceRepo;
        private readonly IRepository<LiveRecord> _liveRecordRepo;
        private readonly IHubContext<PageHub> _pageHubContext;

        public AppController(IConfiguration configuration,
            IJwtHelper jwtHelper,
            IRepository<Node> nodeRepo,
            IRepository<Device> deviceRepo,
            IRepository<LiveRecord> liveRecordRepo,
            IHubContext<PageHub> pageHubContext)
        {
            this._configuration = configuration;
            this._jwtHelper = jwtHelper;
            this._nodeRepo = nodeRepo;
            this._deviceRepo = deviceRepo;
            this._liveRecordRepo = liveRecordRepo;
            this._pageHubContext = pageHubContext;
        }

        [Authorize]
        public IActionResult Index()
        {
            return View();
        }

        public IActionResult GetNodeList(string token)
        {
            var userName = this._jwtHelper.GetPayload(token)["UserName"].ToString();
            var model = this._nodeRepo.ReadOnlyTable()
                .Select(o => new { o.Id, o.Number, o.Name, o.DisplayOrder, o.Icon, Count = o.Devices.Count })
                .ToList();
            return Json(model);
        }

        public IActionResult GetNode(string token, string number)
        {
            var userName = this._jwtHelper.GetPayload(token)["UserName"].ToString();
            var model = this._nodeRepo.ReadOnlyTable()
                .Include(o => o.Scenes)
                .Include(o => o.Devices).ThenInclude(o => o.Data)
                .FirstOrDefault(o => o.Number == number);
            return Json(model, new JsonSerializerSettings { ReferenceLoopHandling = ReferenceLoopHandling.Ignore });
        }

        public IActionResult GetDevice(string token, string number)
        {
            var userName = this._jwtHelper.GetPayload(token)["UserName"].ToString();
            var model = this._deviceRepo.ReadOnlyTable()
                .Include(o => o.Data)
                .FirstOrDefault(o => o.Number == number);
            return Json(model, new JsonSerializerSettings { ReferenceLoopHandling = ReferenceLoopHandling.Ignore });
        }

        public IActionResult Exec(CallApiRequest request)
        {
            try
            {
                var device = this._deviceRepo.ReadOnlyTable().FirstOrDefault(o => o.Number == request.Number);
                if (device != null)
                {
                    var query = string.Empty;
                    foreach (var item in Request.Query.Where(o => o.Key != "ConnectionId" && o.Key != "Method"))
                    {
                        query = query.SetParam(item.Key, item.Value);
                    }
                    var message = $"{request.Method}{query}";
                    this._pageHubContext.Clients.Group(device.ConnectId).SendAsync(Methods.ServerToClient, Methods.CallApi, message, request.ConnectionId);
                }
                return Json(ApiResponse.AsyncSuccess());
            }
            catch (Exception ex)
            {
                ex.PrintStack();
                return Json(ApiResponse.Error(ex));
            }
        }

        public IActionResult ExecAll(string connectionId, string node, string cmd, List<Guid> id)
        {
            try
            {
                var query = string.Empty;
                foreach (var item in Request.Query.Where(o => o.Key != "node" && o.Key != "cmd" && !o.Key.StartsWith("id[")))
                {
                    query = query.SetParam(item.Key, item.Value);
                }
                this._pageHubContext.Clients.Group(node).SendAsync(nameof(INodeService.ExecAll), connectionId, id, cmd, query);
                return Json(ApiResponse.AsyncSuccess());
            }
            catch (Exception ex)
            {
                ex.PrintStack();
                return Json(ApiResponse.Error(ex));
            }
        }

        public IActionResult Sence(string connectionId, string node, Guid id)
        {
            try
            {
                this._pageHubContext.Clients.Group(node).SendAsync(nameof(INodeService.Sence), connectionId, id);
                return Json(ApiResponse.AsyncSuccess());
            }
            catch (Exception ex)
            {
                ex.PrintStack();
                return Json(ApiResponse.Error(ex));
            }
        }

        public IActionResult Data(Guid id, string time = "10m")
        {
            var device = this._deviceRepo.ReadOnlyTable().Include(o => o.Node).Include(o => o.Data).FirstOrDefault(o => o.Id == id);
            var url = this._configuration["influxdb:url"];
            var usr = this._configuration["influxdb:usr"];
            var pwd = this._configuration["influxdb:pwd"];
            var dbName = "iot";
            var measurementName = "data";
            var list = new List<object>();
            using (var client = new InfluxClient(new Uri(url), usr, pwd))
            {
                var fileds = String.Join(',', device.Data
                    .Where(o => o.Type == DeviceDataType.Int || o.Type == DeviceDataType.Long || o.Type == DeviceDataType.Float)
                    .Select(o => o.Key));
                var query = $"select {fileds} from {measurementName} where time>now()-{time} and DeviceNumber = '{device.Number}' limit 10000";
                var result = client.ReadAsync<DynamicInfluxRow>(dbName, query).Result;
                var rows = result.Results.FirstOrDefault()?
                    .Series.FirstOrDefault()?
                    .Rows;
                var labels = rows?.Select(o => o.Timestamp.Value).Select(o => o.ToString("MM-dd HH:mm:ss")).ToList() ?? new List<string>();
                foreach (var data in device.Data.Where(o => o.Type == DeviceDataType.Int || o.Type == DeviceDataType.Long || o.Type == DeviceDataType.Float))
                {
                    list.Add(new
                    {
                        id = data.Key,
                        label = data.Name,
                        labels,
                        data = rows?.Select(o => o.GetField(data.Key)).ToList() ?? new List<object>()
                    });
                }
            }
            return Json(list);
        }

        //{"action":"on_dvr","client_id":128,"ip":"127.0.0.1","vhost":"__defaultVhost__","app":"live","stream":"mainb57e867ae29d11b483864cbd8fd0f747","param":"","cwd":"/root/publish/apps/srs","file":"./objs/nginx/html/live/mainb57e867ae29d11b483864cbd8fd0f747.1565084670048.flv"}
        public IActionResult OnDvr()
        {
            using (var reader = new StreamReader(Request.Body))
            {
                var json = reader.ReadToEnd();
                var result = JsonConvert.DeserializeObject<Dictionary<string, string>>(json);
                if (result["action"] == "on_dvr")
                {
                    var streamId = result["stream"];
                    var deviceNumber = streamId.StartsWith("main") ? streamId.Substring(4) : streamId.Substring(3);
                    this._liveRecordRepo.Add(new LiveRecord
                    {
                        DeviceNumber = deviceNumber,
                        Name = "回放",
                        Value = $"live{result["file"].Substring(result["file"].LastIndexOf('/'))}"
                    });
                    this._liveRecordRepo.SaveChanges();
                }
            }
            return Content(string.Empty);
        }
    }
}