EquipmentPropMonitorVM.cs
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using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using HandyControl.Data;
using HHECS.BllModel;
using HHECS.DAQClient.DataAccess;
using HHECS.EquipmentModel;
using LinqKit;
using System.Collections.ObjectModel;
using System.Linq.Expressions;
using System.Windows;
using MessageBox = HandyControl.Controls.MessageBox;
namespace HHECS.DAQClient.ViewModel.EquipmentPropVM
{
public partial class EquipmentPropMonitorVM : ObservableObject
{
[ObservableProperty]
private string equipmentPropCode;
[ObservableProperty]
private string equipmentPropName;
[ObservableProperty]
private Dictionary<string, EquipmentPropType?> equipmentPropTypes = new Dictionary<string, EquipmentPropType?>();
[ObservableProperty]
private EquipmentPropType? equipmentPropType;
[ObservableProperty]
private ObservableCollection<EquipmentProp> equipmentPropList = new ObservableCollection<EquipmentProp>();
[ObservableProperty]
private int pageIndex = 1;
[ObservableProperty]
private long maxPage;
[ObservableProperty]
private int pageSize = 30;
public Window Owner { get; set; }
/// <summary>
/// 设备Id
/// </summary>
public Equipment Equipment { get; set; }
private readonly DataContext _context;
public EquipmentPropMonitorVM(DataContext context)
{
_context = context;
}
public void InitialData()
{
var keyValuePairs = new Dictionary<string, EquipmentPropType?>
{
{ "全部",null }
};
foreach (var item in Enum.GetNames<EquipmentPropType>())
{
keyValuePairs.Add(item, Enum.Parse<EquipmentPropType>(item));
}
EquipmentPropTypes = keyValuePairs;
Owner.Title = $"{Equipment.Name}-属性数据";
LoadData();
}
[RelayCommand]
public void Serach()
{
var result = LoadData();
if (!result.Success)
{
MessageBox.Error($"加载数据失败.{result.Msg}");
}
}
/// <summary>
/// 页码改变
/// </summary>
[RelayCommand]
private void PageUpdated(FunctionEventArgs<int> info)
{
PageIndex = info.Info;
LoadData();
}
private BllResult LoadData()
{
try
{
var query = _context.EquipmentProp.Where(GetFilter()).Include(x => x.EquipmentTypePropTemplate);
var total = query.Count();
MaxPage = total / PageSize + Convert.ToInt32(total % PageSize != 0);
var result = query.Page(PageIndex, PageSize).ToList();
EquipmentPropList = new ObservableCollection<EquipmentProp>(result);
return BllResultFactory.Success();
}
catch (Exception ex)
{
return BllResultFactory.Error(ex.Message);
}
}
private Expression<Func<EquipmentProp, bool>> GetFilter()
{
var filter = PredicateBuilder.New<EquipmentProp>(x => x.EquipmentId.Equals(Equipment.Id));
if (!string.IsNullOrWhiteSpace(EquipmentPropCode))
{
filter = filter.And(x => x.EquipmentTypePropTemplateCode.Contains(EquipmentPropCode));
}
if (!string.IsNullOrWhiteSpace(EquipmentPropName))
{
filter = filter.And(x => x.Remark.Contains(EquipmentPropName));
}
if (EquipmentPropType != null)
{
filter = filter.And(x => x.EquipmentTypePropTemplate.PropType == EquipmentPropType);
}
return filter;
}
}
}