新增MES库区管理功能，包含免密接口、数据处理逻辑及相关控制器、服务和实体的实现。支持库区的增删改查操作，优化用户体验并增强系统的实时数据同步能力。
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using HandyControl.Controls;
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using HandyControl.Tools.Extension;
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using Prism.Events;
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using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.Windows;
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using YY.Admin.Core;
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using YY.Admin.Core.Events;
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using YY.Admin.Core.Helper;
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using YY.Admin.Core.Entity;
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using YY.Admin.Core.Services;
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using YY.Admin.Views.WarehouseArea;
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namespace YY.Admin.ViewModels.WarehouseArea;
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public class WarehouseAreaListViewModel : BaseViewModel
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{
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private readonly IWarehouseAreaService _warehouseAreaService;
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private readonly IWarehouseService _warehouseService;
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private readonly IDialogService _dialogService;
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private SubscriptionToken? _changedToken;
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private SubscriptionToken? _syncConflictToken;
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private ObservableCollection<MesXslWarehouseArea> _areas = new();
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public ObservableCollection<MesXslWarehouseArea> Areas
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{
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get => _areas;
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set => SetProperty(ref _areas, value);
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}
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private long _total;
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public long Total { get => _total; set => SetProperty(ref _total, value); }
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private int _pageNo = 1;
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public int PageNo { get => _pageNo; set => SetProperty(ref _pageNo, value); }
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private int _pageSize = 20;
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public int PageSize { get => _pageSize; set => SetProperty(ref _pageSize, value); }
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private string? _filterAreaCode;
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public string? FilterAreaCode { get => _filterAreaCode; set => SetProperty(ref _filterAreaCode, value); }
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private string? _filterAreaName;
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public string? FilterAreaName { get => _filterAreaName; set => SetProperty(ref _filterAreaName, value); }
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private string? _filterWarehouseId;
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public string? FilterWarehouseId { get => _filterWarehouseId; set => SetProperty(ref _filterWarehouseId, value); }
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private string? _filterStatus;
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public string? FilterStatus { get => _filterStatus; set => SetProperty(ref _filterStatus, value); }
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public ObservableCollection<KeyValuePair<string, string>> WarehouseOptions { get; } = new();
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public ObservableCollection<KeyValuePair<string, string>> StatusOptions { get; } = new();
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public DelegateCommand SearchCommand { get; }
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public DelegateCommand ResetCommand { get; }
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public DelegateCommand AddCommand { get; }
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public DelegateCommand<MesXslWarehouseArea> EditCommand { get; }
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public DelegateCommand<MesXslWarehouseArea> DeleteCommand { get; }
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public DelegateCommand<MesXslWarehouseArea> ToggleStatusCommand { get; }
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public DelegateCommand PrevPageCommand { get; }
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public DelegateCommand NextPageCommand { get; }
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public WarehouseAreaListViewModel(
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IWarehouseAreaService warehouseAreaService,
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IWarehouseService warehouseService,
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IContainerExtension container,
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IDialogService dialogService,
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IRegionManager regionManager) : base(container, regionManager)
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{
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_warehouseAreaService = warehouseAreaService;
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_warehouseService = warehouseService;
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_dialogService = dialogService;
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SearchCommand = new DelegateCommand(async () => { PageNo = 1; await LoadAsync(); });
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ResetCommand = new DelegateCommand(async () =>
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{
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FilterAreaCode = null;
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FilterAreaName = null;
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FilterWarehouseId = null;
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FilterStatus = null;
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PageNo = 1;
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await LoadAsync();
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});
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AddCommand = new DelegateCommand(async () => await ShowAddDialogAsync());
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EditCommand = new DelegateCommand<MesXslWarehouseArea>(async a => await ShowEditDialogAsync(a));
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DeleteCommand = new DelegateCommand<MesXslWarehouseArea>(async a => await DeleteAsync(a));
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ToggleStatusCommand = new DelegateCommand<MesXslWarehouseArea>(async a => await ToggleStatusAsync(a));
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PrevPageCommand = new DelegateCommand(async () => { if (PageNo > 1) { PageNo--; await LoadAsync(); } });
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NextPageCommand = new DelegateCommand(async () => { if ((long)PageNo * PageSize < Total) { PageNo++; await LoadAsync(); } });
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_changedToken = _eventAggregator
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.GetEvent<WarehouseAreaChangedEvent>()
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.Subscribe(async p => await OnChangedAsync(p), ThreadOption.UIThread);
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_syncConflictToken = _eventAggregator.GetEvent<SyncConflictEvent>()
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.Subscribe(OnSyncConflict, ThreadOption.UIThread);
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_ = InitializeAsync();
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}
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private async Task OnChangedAsync(WarehouseAreaChangedPayload payload)
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{
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if (payload.Action == "edit" && !string.IsNullOrWhiteSpace(payload.WarehouseAreaId))
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await RefreshSingleAsync(payload.WarehouseAreaId!);
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else
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await LoadAsync();
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}
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private async Task RefreshSingleAsync(string id)
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{
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try
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{
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var updated = await _warehouseAreaService.GetByIdAsync(id);
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if (updated == null) return;
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var idx = Areas.ToList().FindIndex(a => string.Equals(a.Id, id, StringComparison.OrdinalIgnoreCase));
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if (idx >= 0) Areas[idx] = updated;
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}
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catch (Exception ex)
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{
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Debug.WriteLine($"[库区] 单条刷新失败: {ex.Message}");
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}
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}
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private void OnSyncConflict(SyncConflictPayload payload)
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{
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if (!string.Equals(payload.EntityName, "库区", StringComparison.OrdinalIgnoreCase)) return;
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var parts = new List<string>();
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if (payload.PushedCount > 0) parts.Add($"已同步 {payload.PushedCount} 条本地改动到服务器");
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if (payload.NewRecordsPushed > 0) parts.Add($"已上传 {payload.NewRecordsPushed} 条本地新增记录");
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if (payload.ConflictCount > 0) parts.Add($"{payload.ConflictCount} 条记录与服务器版本冲突，已保留服务器版本");
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if (parts.Count == 0) return;
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var message = string.Join("\n", parts);
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if (payload.ConflictCount > 0) Growl.Warning(message);
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else Growl.Success(message);
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}
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private async Task InitializeAsync()
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{
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try
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{
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StatusOptions.Clear();
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StatusOptions.Add(new KeyValuePair<string, string>("全部", ""));
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StatusOptions.Add(new KeyValuePair<string, string>("启用", "0"));
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StatusOptions.Add(new KeyValuePair<string, string>("停用", "1"));
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await LoadWarehouseOptionsAsync();
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await UIHelper.WaitForRenderAsync();
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await LoadAsync();
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}
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catch (Exception ex)
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{
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Debug.WriteLine($"库区列表初始化失败: {ex.Message}");
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}
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}
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private async Task LoadWarehouseOptionsAsync()
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{
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try
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{
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var warehouses = await _warehouseService.GetAllAsync();
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WarehouseOptions.Clear();
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WarehouseOptions.Add(new KeyValuePair<string, string>("全部", ""));
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foreach (var w in warehouses.Where(w => !string.IsNullOrWhiteSpace(w.Id)))
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WarehouseOptions.Add(new KeyValuePair<string, string>(w.WarehouseName ?? w.Id!, w.Id!));
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}
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catch (Exception ex)
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{
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Debug.WriteLine($"[库区] 加载仓库选项失败: {ex.Message}");
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if (WarehouseOptions.Count == 0)
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WarehouseOptions.Add(new KeyValuePair<string, string>("全部", ""));
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}
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}
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public async Task LoadAsync()
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{
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try
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{
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IsLoading = true;
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var result = await _warehouseAreaService.PageAsync(PageNo, PageSize, FilterAreaCode, FilterAreaName, FilterWarehouseId, FilterStatus);
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Areas = new ObservableCollection<MesXslWarehouseArea>(result.Records);
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Total = result.Total;
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}
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catch (Exception ex)
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{
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Growl.Error($"加载库区列表失败：{ex.Message}");
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}
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finally
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{
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IsLoading = false;
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}
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}
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private async Task ShowAddDialogAsync()
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{
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try
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{
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var result = await HandyControl.Controls.Dialog.Show<WarehouseAreaEditDialogView>()
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.Initialize<WarehouseAreaEditDialogViewModel>(vm => vm.InitializeForAdd())
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.GetResultAsync<bool>();
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if (result) await LoadAsync();
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}
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catch (Exception ex)
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{
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Growl.Error($"打开新增对话框失败：{ex.Message}");
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}
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}
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private async Task ShowEditDialogAsync(MesXslWarehouseArea area)
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{
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if (area == null) return;
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try
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{
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var result = await HandyControl.Controls.Dialog.Show<WarehouseAreaEditDialogView>()
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.Initialize<WarehouseAreaEditDialogViewModel>(vm => vm.InitializeForEdit(area))
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.GetResultAsync<bool>();
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if (result) await LoadAsync();
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}
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catch (Exception ex)
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{
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Growl.Error($"打开编辑对话框失败：{ex.Message}");
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}
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}
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private async Task DeleteAsync(MesXslWarehouseArea area)
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{
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if (area?.Id == null) return;
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var confirm = System.Windows.MessageBox.Show($"确定删除库区「{area.AreaCode}」？此操作不可恢复！", "确认删除",
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MessageBoxButton.OKCancel, MessageBoxImage.Question);
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if (confirm != System.Windows.MessageBoxResult.OK) return;
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var ok = await _warehouseAreaService.DeleteAsync(area.Id);
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if (ok) { Growl.Success("删除成功！"); await LoadAsync(); }
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else Growl.Error("删除失败！");
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}
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private async Task ToggleStatusAsync(MesXslWarehouseArea area)
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{
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if (area?.Id == null) return;
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var newStatus = area.Status == "1" ? "0" : "1";
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var ok = await _warehouseAreaService.UpdateStatusAsync(area.Id, newStatus);
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if (ok) { area.Status = newStatus; RaisePropertyChanged(nameof(Areas)); }
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else Growl.Error("状态切换失败！");
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}
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protected override void CleanUp()
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{
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base.CleanUp();
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if (_changedToken != null)
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{
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_eventAggregator.GetEvent<WarehouseAreaChangedEvent>().Unsubscribe(_changedToken);
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_changedToken = null;
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}
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if (_syncConflictToken != null)
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{
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_eventAggregator.GetEvent<SyncConflictEvent>().Unsubscribe(_syncConflictToken);
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_syncConflictToken = null;
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}
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}
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}
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