DataV/DataVIOT.Help/ViewModel/MainViewModel.cs

using DataVAPI.Model;
using DataVAPI.Tool.API请求;
using DataVAPI.Tool.IOT;
using Microsoft.Toolkit.Mvvm.ComponentModel;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;

namespace DataVIOT.Help.ViewModel
{
    public class MainViewModel : ObservableObject
    {
        #region 公有变量
        /// <summary>
        /// 设备表
        /// </summary>
        public ObservableCollection<DeviceTable> deviceTable { get; set; }
        /// <summary>
        /// 选中行
        /// </summary>
        private DeviceTable _deviceTableSelectedItem;

        public DeviceTable deviceTableSelectedItem
        {
            get { return _deviceTableSelectedItem; }
            set
            {
                if (_deviceTableSelectedItem == value)
                    return;
                _deviceTableSelectedItem = value;
                OnPropertyChanged("deviceTableSelectedItem");
            }
        }
        /// <summary>
        /// 当前设备
        /// </summary>
        private DeviceTable _device;

        public DeviceTable device
        {
            get { return _device; }
            set
            {
                if (_device == value)
                    return;
                _device = value;
                OnPropertyChanged("device");
            }
        }
        /// <summary>
        /// API 地址
        /// </summary>
        public string ApiURL = "https://bpa.black-pa.com:21527/datav";
        #endregion

        #region 不需要监听
        private static MainViewModel _instance;
        public static MainViewModel Instance
        {
            get
            {
                if (_instance == null)
                    _instance = new MainViewModel();
                return _instance;
            }
        }
        public MainViewModel()
        {
            deviceTable = new ObservableCollection<DeviceTable>();
            device = new DeviceTable();
            deviceTableSelectedItem = new DeviceTable();
            //Refresh();
        }
        #endregion

        #region 公有函数


        /// <summary>
        /// 刷新
        /// </summary>
        public void Refresh()
        {
            deviceTable.Clear();
            Inquire()?.OrderBy(o => int.Parse(o.ClientId)).ToList().ForEach(d =>
            {
                deviceTable.Add(d);
            });
        }

        /// <summary>
        /// 根据客户端iD查询
        /// </summary>
        /// <param name="clientId"></param>
        public List<DeviceTable> Inquire(string clientId = "")
        {
            try
            {
                string url = ApiURL + "/api/Device/Query";
                if (!string.IsNullOrEmpty(clientId)) url = ApiURL + "/api/Device/Query?clientId=" + clientId;
                string json = HttpRequestHelper.HttpGetRequest(url);
                JsonMsg<List<DeviceTable>> jsonMsg = Tools.JsonToObjectTools<JsonMsg<List<DeviceTable>>>(json);
                return jsonMsg.obj.data;
            }
            catch (Exception ex)
            {
                return null;
            }

        }

        /// <summary>
        /// 修改
        /// </summary>
        /// <returns></returns>
        public bool Update()
        {
            try
            {
                string url = ApiURL + "/api/Device/Modify";
                string json = HttpRequestHelper.HttpPostRequest(url, Tools.JsonConvertTools(device));
                Refresh();
                return true;
            }
            catch (Exception ex)
            {
                return false;
            }

        }

        /// <summary>
        /// 增加
        /// </summary>
        /// <returns></returns>
        public bool Add()
        {
            try
            {
                string url = ApiURL + "/api/Device/Create";
                string json = HttpRequestHelper.HttpPostRequest(url, Tools.JsonConvertTools(device));
                Refresh();
                return true;
            }
            catch (Exception ex)
            {
                return false;
            }

        }

        public bool Add(DeviceTable deviceTable)
        {
            try
            {
                string url = ApiURL + "/api/Device/Create";
                string json = HttpRequestHelper.HttpPostRequest(url, Tools.JsonConvertTools(deviceTable));
                Refresh();
                return true;
            }
            catch (Exception ex)
            {
                return false;
            }

        }

        /// <summary>
        /// 删除
        /// </summary>
        /// <returns></returns>
        public bool Delete()
        {
            try
            {
                string url = ApiURL + "/api/Device/DeleteDate?id=" + device.Id;
                string json = HttpRequestHelper.HttpGetRequest(url);
                Refresh();
                return true;
            }
            catch (Exception ex)
            {
                return false;
            }

        }
        #endregion

    }
}