XiangTan_DM/DM_Weight/ViewModels/MachineRecordWindowViewModel.cs

using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using DM_Weight.Models;
using DM_Weight.Port;
using DM_Weight.Report;
using DM_Weight.util;
using gregn6Lib;
using Newtonsoft.Json;
using System.IO;
using System.Configuration;

namespace DM_Weight.ViewModels
{
    public class MachineRecordWindowViewModel : 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 int _type;

        public int Type
        {
            get { return _type; }
            set
            {
                SetProperty(ref _type, value);
            }
        }

        private List<MachineRecord>? machineRecords;

        public List<MachineRecord>? MachineRecords
        {
            get { return machineRecords; }
            set { SetProperty(ref machineRecords, value); }
        }

        public MachineRecordWindowViewModel()
        {
        }

        public bool KeepAlive => false;


        public DelegateCommand Query
        {
            get => new DelegateCommand(() =>
            {
                RequestData();
            });
        }

        public DelegateCommand Download
        {
            get => new DelegateCommand(() =>
            {
                GridReportUtil.PrintReportMechineRecord(Type, StartDate, EndDate);

            });
        }
        public DelegateCommand DownloadAccountBook
        {
            get => new DelegateCommand(() =>
            {
                GridReportUtil.PrintReportAccountBook(StartDate, EndDate);

            });
        }

        
        void ReportInitialize()
        {
            
        }

        //这个方法用于拦截请求,continuationCallback(true)就是不拦截，continuationCallback(false)拦截本次操作
        public void ConfirmNavigationRequest(NavigationContext navigationContext, Action<bool> continuationCallback)
        {
            continuationCallback(true);
        }


        //接收导航传过来的参数
        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            //取出Type决定页面显示内容
            Type = navigationContext.Parameters.GetValue<int>("Type");

            //查询表格数据
            RequestData();
        }

     

        void RequestData()
        {
            int totalCount = 0;
            string machineId = ConfigurationManager.AppSettings["machineId"] ?? "DM1";
            MachineRecords = SqlSugarHelper.Db.Queryable<MachineRecord>()
                .Includes<DrugInfo>(mr => mr.DrugInfo)
                .Includes<UserList>(mr => mr.User)
                .Where(mr => mr.MachineId == machineId)
                .WhereIF(Type == 3, (mr) => new int[] { 31, 32 }.Contains(mr.Type))
                .WhereIF(Type != 3, (mr) => mr.Type == Type )
                .WhereIF(StartDate !=null, (mr) => mr.OperationTime > StartDate)
                .WhereIF(EndDate!=null, (mr) => mr.OperationTime < EndDate)
                //.Select(mr => mr)
                .ToPageList(PageNum, PageSize, ref totalCount);
                //.ToList();
            TotalCount = totalCount;
        }

        //每次导航的时候，该实列用不用重新创建，true是不重新创建,false是重新创建
        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        //这个方法用于拦截请求
        public void OnNavigatedFrom(NavigationContext navigationContext)
        {

        }
    }
}