iot/projects/IoTCenter/Areas/Admin/Controllers/IoT/DeviceController.cs

using Application.Domain.Entities;
using Application.Models;
using Application.Services;
using Infrastructure.Data;
using Infrastructure.Extensions;
using Infrastructure.Web.Mvc;
using IoTShared;
using IoTShared.Controllers;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.SignalR;
using System;
using System.Collections.Generic;
using System.Linq;

namespace IoTCenter.Areas.Admin.Controllers
{
    [Authorize]
    [Area(nameof(Admin))]
    public class DeviceController : CrudController<Device, DeviceSearchMode, EditDeviceModel, EditDeviceModel>
    {
        private readonly IRepository<Node> _nodeRepo;
        private readonly IRepository<Device> _repo;
        private readonly IHubContext<PageHub> _pageHubContext;
        private readonly AjaxController _ajax;
        private readonly INodeService _nodeService;

        public DeviceController(IRepository<Node> nodeRepo, IRepository<Device> repo, IHubContext<PageHub> pageHubContext, AjaxController ajax, INodeService nodeService) : base(repo)
        {
            this._repo = repo;
            this._nodeRepo = nodeRepo;
            this._pageHubContext = pageHubContext;
            this._ajax = ajax;
            this._nodeService = nodeService;
        }

        public override IQueryable<Device> Query(DeviceSearchMode model, IQueryable<Device> query)
        {
            ViewData.SelectList(o => model.NodeId, () => this._ajax.GetNodeSelectList(model.NodeId));
            return query.WhereIf(model.NodeId.HasValue, o => o.NodeId == model.NodeId.Value)
                .WhereIf(!string.IsNullOrEmpty(model.Keyword), o => o.Name.Contains(model.Keyword));
        }

        public override IActionResult Edit(EditDeviceModel model)
        {
            if (ModelState.IsValid)
            {
                var entity = this._repo.Table().FirstOrDefault(o => o.Id == model.Id);
                var number = this._nodeRepo.ReadOnlyTable().FirstOrDefault(o => o.Id == entity.NodeId).Number;
                this._pageHubContext.Clients.Group(number).SendAsync(nameof(INodeService.EditDevice), model);
                return RedirectTo();
            }
            ModelState.AddModelError("", "服务器出现异常，请稍后重试");
            return View(model);
        }

        public override IActionResult Delete(List<Guid> list)
        {
            foreach (var id in list)
            {
                try
                {
                    var entity = this._repo.Table().FirstOrDefault(o => o.Id == id);
                    var number = this._nodeRepo.ReadOnlyTable().FirstOrDefault(o => o.Id == entity.NodeId).Number;
                    this._pageHubContext.Clients.Group(number).SendAsync(nameof(INodeService.DeleteDevice), id);
                }
                catch (Exception ex)
                {
                    ex.PrintStack();
                    return RedirectTo(message: ex.Message);
                }
            }
            return RedirectTo();
        }
    }
}