EquipmentVM.cs
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using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using HandyControl.Data;
using HHECS.BllModel;
using HHECS.DAQClient.Model;
using HHECS.DAQClient.View.EquipmentPropView;
using HHECS.DAQClient.View.EquipmentView;
using LinqKit;
using System.Collections;
using System.Collections.ObjectModel;
using System.Configuration;
using System.Linq.Expressions;
using System.Windows;
using MessageBox = HandyControl.Controls.MessageBox;
namespace HHECS.DAQClient.ViewModel.EquipmentVM
{
public partial class EquipmentVM : ObservableObject
{
[ObservableProperty]
private string equipmentCode;
[ObservableProperty]
private string equipmentName;
[ObservableProperty]
private Dictionary<int, string> equipmentTypes = new Dictionary<int, string>();
[ObservableProperty]
private string destinationArea;
[ObservableProperty]
private int equipmentTypeId = 0;
[ObservableProperty]
private int pageIndex = 1;
[ObservableProperty]
private long maxPage;
[ObservableProperty]
private int pageSize = 30;
[ObservableProperty]
private ObservableCollection<EquipmentExtend> equipments = new ObservableCollection<EquipmentExtend>();
private readonly IFreeSql _freeSql;
public EquipmentVM(IFreeSql freeSql)
{
_freeSql = freeSql;
InitialData();
LoadData();
}
private void InitialData()
{
try
{
var result = _freeSql.Queryable<EquipmentTypeExtend>().ToList();
var keyValuePairs = new Dictionary<int, string>
{
{ 0,"全部" }
};
foreach (var item in result)
{
keyValuePairs.Add(item.Id, item.Name);
}
EquipmentTypes = keyValuePairs;
DestinationArea = ConfigurationManager.AppSettings["Area"];
}
catch (Exception ex)
{
MessageBox.Error($"[{nameof(EquipmentVM)}]加载数据失败.{ex.Message}");
}
}
[RelayCommand]
public void Serach()
{
var result = LoadData();
if (!result.Success)
{
MessageBox.Error($"[{nameof(EquipmentVM)}]加载数据失败.{result.Msg}");
}
}
[RelayCommand]
public void Add()
{
var view = new EquipmentAddOrEditView();
var result = view.ShowDialog();
if (result == true)
{
LoadData();
}
}
[RelayCommand]
public void Edit(int equipmentId)
{
var view = new EquipmentAddOrEditView(equipmentId);
var result = view.ShowDialog();
if (result == true)
{
LoadData();
}
}
[RelayCommand]
public void Delete(int equipmentId)
{
try
{
var result = MessageBox.Ask($"确认删除数据？");
if (result != MessageBoxResult.OK)
{
return;
}
var propIds = _freeSql.Queryable<EquipmentPropExtend>().Where(x => x.EquipmentId == equipmentId).ToList(x => x.Id);
_freeSql.Delete<EquipmentExtend>().Where(x => x.Id == equipmentId).ExecuteAffrows();
_freeSql.Delete<EquipmentPropExtend>().Where(x => propIds.Contains(x.Id)).ExecuteAffrows();
LoadData();
MessageBox.Success("删除数据成功");
}
catch (Exception ex)
{
MessageBox.Error($"删除数据失败.{ex.Message}");
}
}
[RelayCommand]
public void Detail(EquipmentExtend equipment)
{
var view = new EquipmentPropMonitor(equipment);
view.ShowDialog();
}
[RelayCommand]
public void BatchDelete(IList sender)
{
try
{
var equipments = sender.Cast<EquipmentExtend>().ToList();
if (equipments.Count == 0)
{
MessageBox.Warning("未选中任何数据！");
return;
}
var result = MessageBox.Ask($"确认删除选中数据？");
if (result != MessageBoxResult.OK)
{
return;
}
var equipmentIds = equipments.Select(x => x.Id).ToList();
var equipmentPropIds = _freeSql.Queryable<EquipmentPropExtend>().Where(x => equipmentIds.Contains(x.EquipmentId)).ToList(x => x.Id);
_freeSql.Delete<EquipmentExtend>().Where(x => equipmentIds.Contains(x.Id)).ExecuteAffrows();
_freeSql.Delete<EquipmentPropExtend>().Where(x => equipmentPropIds.Contains(x.Id)).ExecuteAffrows();
LoadData();
MessageBox.Success($"成功删除{equipments.Count}条数据");
}
catch (Exception ex)
{
MessageBox.Error($"删除失败.{ex.Message}");
}
}
/// <summary>
/// 页码改变
/// </summary>
[RelayCommand]
private void PageUpdated(FunctionEventArgs<int> info)
{
PageIndex = info.Info;
LoadData();
}
private BllResult LoadData()
{
try
{
var query = _freeSql.Queryable<EquipmentExtend>().Where(GetFilter()).Include(x => x.EquipmentType);
var total = query.Count();
MaxPage = total / PageSize + Convert.ToInt32(total % PageSize != 0);
var result = query.Page(PageIndex, PageSize).ToList();
Equipments = new ObservableCollection<EquipmentExtend>(result);
return BllResultFactory.Success();
}
catch (Exception ex)
{
return BllResultFactory.Error(ex.Message);
}
}
private Expression<Func<EquipmentExtend, bool>> GetFilter()
{
var filter = PredicateBuilder.New<EquipmentExtend>(true);
if (!string.IsNullOrWhiteSpace(EquipmentCode))
{
filter = filter.And(x => x.Code.Contains(EquipmentCode));
}
if (!string.IsNullOrWhiteSpace(EquipmentName))
{
filter = filter.And(x => x.Name.Contains(EquipmentName));
}
if (EquipmentTypeId != 0)
{
filter = filter.And(x => x.EquipmentTypeId == EquipmentTypeId);
}
if (!string.IsNullOrWhiteSpace(DestinationArea))
{
filter = filter.And(x => x.DestinationArea == DestinationArea);
}
return filter;
}
}
}