iot/projects/IoTNode/DeviceServices/BaseDeviceService.cs

using Infrastructure.Application.Services.Settings;
using Infrastructure.Data;
using Infrastructure.Extensions;
using IoT.Shared.Services;
using Application.Domain.Entities;
using IoT.Shared.Application.Models;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using System;
using System.Diagnostics;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Hosting;
using System.Net.Http;
using Microsoft.Extensions.Logging;

namespace IoTNode.DeviceServices
{
    public class BaseDeviceService : IHostedService
    {
        internal readonly IServiceProvider _applicationServices;
        protected readonly IWebHostEnvironment _env;

        public BaseDeviceService(IServiceProvider applicationServices, IWebHostEnvironment env)
        {
            this._applicationServices = applicationServices;
            this._env = env;
        }

        protected string GetSetting(string name)
        {
            using var scope = _applicationServices.CreateScope();
            return scope.ServiceProvider.GetRequiredService<ISettingService>().GetSetting(name).Value;
        }

        public virtual Task StartAsync(CancellationToken cancellationToken)
        {
            Task.Run(async () =>
            {
                while (!cancellationToken.IsCancellationRequested)
                {
                    try
                    {
                        Execute();
                    }
                    catch (Exception ex)
                    {
                        ex.PrintStack();
                    }
                    await Task.Delay(Convert.ToInt32(GetSetting("timer.seconds")) * 1000).ConfigureAwait(true);
                }
            });
            return Task.CompletedTask;
        }

        public virtual void Execute()
        {
        }

        public virtual Task StopAsync(CancellationToken cancellationToken)
        {
            return Task.CompletedTask;
        }

        public void SendToServer(string method, object data)
        {
            Debug.WriteLine("send device to server");
            using var scope = _applicationServices.CreateScope();
            var iotNodeClient = scope.ServiceProvider.GetService<IoTNodeClient>();
            iotNodeClient.ClientToServer(method, data, null);
        }

        public void SendDataToServer(IoTData data)
        {
            using var scope = _applicationServices.CreateScope();
            var iotNodeClient = scope.ServiceProvider.GetService<IoTNodeClient>();
            iotNodeClient.ClientToServer($"Edit{typeof(IoTData).Name}", data.To<EditIoTDataModel>(), null);
        }

        public void UpdateDevice(IRepository<IoTDevice> repo, IoTDevice device)
        {
            repo.SaveChanges();
        }

        public void UpdateData(IRepository<IoTDevice> repo, IoTDevice device, IoTData data)
        {
            device.AddorUpdateData(data);
            repo.SaveChanges();
        }

        public IoTProduct UpdateProduct(string productName, string productNumber, string path, string productIcon)
        { 
            var scope = _applicationServices.CreateScope();
            //
            var productRepo = scope.ServiceProvider.GetService<IRepository<IoTProduct>>();
            var product = productRepo.ReadOnlyTable().FirstOrDefault(o => o.Number == productNumber);
            if (product == null)
            {
                product = new IoTProduct
                {
                    Id = $"productid-{productNumber}".ToGuid(),
                    Number = productNumber,
                    Name = productName,
                    Path = path,
                    Image = $"/images/{productIcon}.svg"
                };
                if (!string.IsNullOrEmpty(path))
                {
                    var iotNodeClient = scope.ServiceProvider.GetService<IoTNodeClient>();
                    product.ApiJson = iotNodeClient.GetApiJson(path);
                    //OpenApiService.UpdateApi(product);
                }
                productRepo.Add(product);
                productRepo.SaveChanges();
            }
            //
            try
            {
                var settingRepo = scope.ServiceProvider.GetRequiredService<ISettingService>();
                var factory = scope.ServiceProvider.GetRequiredService<IHttpClientFactory>();
                var notifyHost = settingRepo.GetValue("notify:host");
                var url = $"{notifyHost}/Server/HasProduct/{productNumber}";
                var httpClient = factory.CreateClient();
                var response = httpClient.GetStringAsync(url).Result.FromJson<bool>();
                if (!response)
                {
                    scope.ServiceProvider.GetRequiredService<IoTNodeClient>().ClientToServer($"{nameof(IoTProduct)}EntityUpdated", product, null);
                }
            }
            catch (Exception ex)
            {
                scope.ServiceProvider.GetRequiredService<ILogger<BaseDeviceService>>().LogError(ex.ToString());
            }
            return product;
        }
    }
}