IoTGateway.ViewModel/BasicData/DeviceVariableVMs/DeviceVariableVM.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.ComponentModel.DataAnnotations;
using WalkingTec.Mvvm.Core;
using WalkingTec.Mvvm.Core.Extensions;
using IoTGateway.Model;
using Plugin;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Primitives;

namespace IoTGateway.ViewModel.BasicData.DeviceVariableVMs
{
    public partial class DeviceVariableVM : BaseCRUDVM<DeviceVariable>
    {
        public List<ComboSelectListItem> AllDevices { get; set; }
        public List<ComboSelectListItem> AllMethods { get; set; }

        public DeviceVariableVM()
        {
            SetInclude(x => x.Device);
        }

        protected override void InitVM()
        {
            AllDevices = DC.Set<Device>().AsNoTracking().Where(x => x.DeviceTypeEnum == DeviceTypeEnum.Device)
                .OrderBy(x => x.Parent.Index).ThenBy(x => x.Parent.DeviceName)
                .OrderBy(x => x.Index).ThenBy(x => x.DeviceName)
                .GetSelectListItems(Wtm, y => y.DeviceName);
            if (Entity.DeviceId != null)
            {
                var deviceService = Wtm.ServiceProvider.GetService(typeof(DeviceService)) as DeviceService;
                AllMethods = deviceService.GetDriverMethods(Entity.DeviceId);
                var DapThread = deviceService.DeviceThreads.Where(x => x._device.ID == Entity.DeviceId).FirstOrDefault();
            }
            else if (IoTBackgroundService.ConfigSelectDeviceId != null)
            {
                Entity.DeviceId = IoTBackgroundService.ConfigSelectDeviceId;
            }
        }

        public override void DoAdd()
        {           
            base.DoAdd();
            UpdateVaribale();
        }

        public override void DoEdit(bool updateAllFields = false)
        {
            base.DoEdit(updateAllFields);
            UpdateVaribale();
        }

        public override void DoDelete()
        {
            //先获取id
            var id= UpdateDevices.FC2Guids(FC);
            var deviceId = DC.Set<DeviceVariable>().Where(x => id.Contains(x.ID)).Select(x=>x.DeviceId).FirstOrDefault();
            FC["Entity.DeviceId"] =(StringValues)deviceId.ToString();