HuNan_DM/DM_Weight/ViewModels/ChangeShiftsListWindowViewModel.cs

using DM_Weight.Models;
using DM_Weight.Report;
using DM_Weight.util;
using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DM_Weight.ViewModels
{
    public class ChangeShiftsListWindowViewModel : BindableBase, IConfirmNavigationRequest, IRegionMemberLifetime
    {
        private int _pageNum = 1;
        public int PageNum
        {
            get => _pageNum;
            set
            {
                SetProperty(ref _pageNum, value);
                RequestData();
            }
        }

        private int _pageCount = 1;
        public int PageCount
        {
            get => _pageCount;
            set
            {
                SetProperty(ref _pageCount, value);
            }
        }

        private int _pageSize = 8;
        public int PageSize
        {
            get => _pageSize;
            set
            {
                SetProperty(ref _pageSize, value);
            }
        }

        private int _totalCount = 0;
        public int TotalCount
        {
            get => _totalCount;
            set
            {
                SetProperty(ref _totalCount, value);
            }
        }
        private DateTime? _startDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day);

        public DateTime? StartDate
        {
            get => _startDate;
            set
            {
                if (value != null)
                {
                    SetProperty(ref _startDate, new DateTime(value?.Year ?? 0, value?.Month ?? 0, value?.Day ?? 0));
                }
                else
                {
                    SetProperty(ref _startDate, value);
                }
                RequestData();
            }
        }

        private DateTime? _endDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 23, 59, 59);

        public DateTime? EndDate
        {
            get => _endDate;
            set
            {
                if (value != null)
                {
                    TimeSpan ershisi = new TimeSpan(23, 59, 59);
                    SetProperty(ref _endDate, new DateTime(value?.Year ?? 0, value?.Month ?? 0, value?.Day ?? 0, 23, 59, 59));
                }
                else
                {
                    SetProperty(ref _endDate, value);
                }

                RequestData();
            }
        }
        private List<HkcChangeShifts>? hkcChangeShifts;

        public List<HkcChangeShifts>? HkcChangeShifts
        {
            get { return hkcChangeShifts; }
            set { SetProperty(ref hkcChangeShifts, value); }
        }

        public bool KeepAlive => true;
        IDialogService _dialogService;

        //交接班
        public DelegateCommand ShiftsCommand => new DelegateCommand(ShiftsAction);
        private void ShiftsAction()
        {
            DialogParameters dialogParameters = new DialogParameters();
            DialogServiceExtensions.ShowDialogHost(_dialogService, "ChangeShiftsDialog", dialogParameters, DoDialogResult, "RootDialog");
        }
        private void DoDialogResult(IDialogResult dialogResult)
        {
            RequestData();
        }
        //导出报表
        public DelegateCommand Download => new DelegateCommand(DownloadAction);
        private void DownloadAction()
        {
            GridReportUtil.PrintChangeShiftsReport(StartDate, EndDate);
        }
        ////private SqlSugarScope SqlSugarHelper.Db;
        public ChangeShiftsListWindowViewModel(IDialogService dialogService)
        {
            _dialogService = dialogService;
            ////this.SqlSugarHelper.Db = sqlSugarScope;
        }
        void RequestData()
        {
            int totalCount = 0;
            string machineId = ConfigurationManager.AppSettings["machineId"] ?? "DM1";
            string sqlStr = @"SELECT c.id,c.OptDate,u.User_Name as fromoperator,u2.User_Name fromrviewer,u3.User_Name as tooperator,u4.User_Name as toreviewer,
                            c.todate,c.State from hkc_changeshifts c LEFT JOIN user_list u on c.fromoperator=u.user_id 
                            LEFT JOIN user_list u2 on c.fromrviewer=u2.user_id  LEFT JOIN user_list u3 on c.tooperator=u3.user_id  
                            left join user_list u4 on c.toreviewer=u4.user_id where c.machine_id=@machineId ";
            if(StartDate!=null)
            {
                sqlStr += " and c.optdate>=@starOptDate ";
            }
            if(EndDate!=null)
            {
                sqlStr += " and c.optdate<=@endOptDate ";
            }
            sqlStr+=" group by c.id";
            HkcChangeShifts = SqlSugarHelper.Db.SqlQueryable<dynamic>(sqlStr)
                .AddParameters(new
                {
                    machineId = machineId,
                    starOptDate = StartDate,
                    endOptDate = EndDate
                })
                .Select(it=>new HkcChangeShifts())
                //.Select("*")
                .ToPageList(PageNum, PageSize, ref totalCount);


            TotalCount = totalCount;
        }

        public DelegateCommand Query => new DelegateCommand(RequestData);

        public void ConfirmNavigationRequest(NavigationContext navigationContext, Action<bool> continuationCallback)
        {
            continuationCallback(true);
        }

        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            //查询表格数据
            RequestData();
        }

        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        public void OnNavigatedFrom(NavigationContext navigationContext)
        {
        }
    }
}