289 lines
11 KiB
C#
289 lines
11 KiB
C#
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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.Services.Service;
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using YY.Admin.Services.Service.Customer;
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using YY.Admin.Views.Customer;
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namespace YY.Admin.ViewModels.Customer;
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public class CustomerListViewModel : BaseViewModel
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{
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private readonly ICustomerService _customerService;
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private readonly IJeecgDictSyncService _dictSyncService;
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private readonly IDialogService _dialogService;
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private SubscriptionToken? _customerChangedToken;
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private SubscriptionToken? _syncConflictToken;
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private ObservableCollection<MesXslCustomer> _customers = new();
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public ObservableCollection<MesXslCustomer> Customers
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{
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get => _customers;
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set => SetProperty(ref _customers, 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? _filterCustomerCode;
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public string? FilterCustomerCode { get => _filterCustomerCode; set => SetProperty(ref _filterCustomerCode, value); }
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private string? _filterCustomerName;
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public string? FilterCustomerName { get => _filterCustomerName; set => SetProperty(ref _filterCustomerName, 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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private string? _filterCustomerRegion;
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public string? FilterCustomerRegion { get => _filterCustomerRegion; set => SetProperty(ref _filterCustomerRegion, value); }
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public ObservableCollection<KeyValuePair<string, string>> StatusOptions { get; } = new();
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public ObservableCollection<KeyValuePair<string, string>> CustomerRegionOptions { 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<MesXslCustomer> EditCommand { get; }
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public DelegateCommand<MesXslCustomer> DeleteCommand { get; }
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public DelegateCommand<MesXslCustomer> ToggleStatusCommand { get; }
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public DelegateCommand PrevPageCommand { get; }
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public DelegateCommand NextPageCommand { get; }
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public CustomerListViewModel(
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ICustomerService customerService,
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IJeecgDictSyncService dictSyncService,
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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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_customerService = customerService;
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_dictSyncService = dictSyncService;
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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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FilterCustomerCode = null; FilterCustomerName = null;
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FilterStatus = null; FilterCustomerRegion = null;
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PageNo = 1; await LoadAsync();
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});
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AddCommand = new DelegateCommand(async () => await ShowAddDialogAsync());
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EditCommand = new DelegateCommand<MesXslCustomer>(async c => await ShowEditDialogAsync(c));
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DeleteCommand = new DelegateCommand<MesXslCustomer>(async c => await DeleteAsync(c));
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ToggleStatusCommand = new DelegateCommand<MesXslCustomer>(async c => await ToggleStatusAsync(c));
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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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_customerChangedToken = _eventAggregator.GetEvent<CustomerChangedEvent>()
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.Subscribe(async p => await OnCustomerChangedAsync(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 OnCustomerChangedAsync(CustomerChangedPayload payload)
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{
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if (payload.Action == "edit" && !string.IsNullOrWhiteSpace(payload.CustomerId))
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{
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await RefreshSingleAsync(payload.CustomerId!);
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}
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else
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{
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await LoadAsync();
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}
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}
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private async Task RefreshSingleAsync(string customerId)
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{
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try
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{
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var updated = await _customerService.GetByIdAsync(customerId);
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if (updated == null) return;
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var idx = Customers.ToList().FindIndex(c => string.Equals(c.Id, customerId, StringComparison.OrdinalIgnoreCase));
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if (idx >= 0)
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Customers[idx] = updated;
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}
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catch (Exception ex)
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{
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Debug.WriteLine($"[客户] 单条刷新失败: {ex.Message}");
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}
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}
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private void OnSyncConflict(SyncConflictPayload payload)
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{
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if (!string.Equals(payload.EntityName, "客户", StringComparison.OrdinalIgnoreCase)) return;
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var parts = new List<string>();
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if (payload.PushedCount > 0)
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parts.Add($"已同步 {payload.PushedCount} 条本地改动到服务器");
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if (payload.NewRecordsPushed > 0)
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parts.Add($"已上传 {payload.NewRecordsPushed} 条本地新增记录");
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if (payload.ConflictCount > 0)
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parts.Add($"{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)
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Growl.Warning(message);
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else
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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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await LoadDictOptionsAsync();
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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($"客户列表初始化失败: {ex.Message}");
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}
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}
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private async Task LoadDictOptionsAsync()
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{
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try
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{
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var statusOpts = await _dictSyncService.GetDictOptionsAsync("xslmes_customer_status", includeAll: true);
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var regionOpts = await _dictSyncService.GetDictOptionsAsync("xslmes_customer_region", includeAll: true);
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StatusOptions.Clear();
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foreach (var item in statusOpts) StatusOptions.Add(item);
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CustomerRegionOptions.Clear();
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foreach (var item in regionOpts) CustomerRegionOptions.Add(item);
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if (StatusOptions.Count == 0)
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{
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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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}
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if (CustomerRegionOptions.Count == 0)
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CustomerRegionOptions.Add(new KeyValuePair<string, string>("全部", ""));
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}
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catch
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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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CustomerRegionOptions.Clear();
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CustomerRegionOptions.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 _customerService.PageAsync(PageNo, PageSize,
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FilterCustomerCode, FilterCustomerName, FilterStatus, FilterCustomerRegion);
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Customers = new ObservableCollection<MesXslCustomer>(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($"加载客户列表失败：{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<CustomerEditDialogView>()
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.Initialize<CustomerEditDialogViewModel>(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($"打开新增对话框失败：{ex.Message}");
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}
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}
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private async Task ShowEditDialogAsync(MesXslCustomer customer)
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{
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if (customer == null) return;
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try
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{
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var result = await HandyControl.Controls.Dialog.Show<CustomerEditDialogView>()
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.Initialize<CustomerEditDialogViewModel>(vm => vm.InitializeForEdit(customer))
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.GetResultAsync<bool>();
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if (result) await LoadAsync();
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}
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catch (Exception ex)
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{
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Growl.Error($"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(MesXslCustomer customer)
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{
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if (customer?.Id == null) return;
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var confirm = System.Windows.MessageBox.Show(
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$"确定删除客户【{customer.CustomerName}】？此操作不可恢复！",
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"确认删除", MessageBoxButton.OKCancel, MessageBoxImage.Question);
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if (confirm != System.Windows.MessageBoxResult.OK) return;
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var ok = await _customerService.DeleteAsync(customer.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(MesXslCustomer customer)
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{
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if (customer?.Id == null) return;
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var newStatus = customer.Status == "1" ? "0" : "1";
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var ok = await _customerService.UpdateStatusAsync(customer.Id, newStatus);
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if (ok)
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{
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// 客户列表离线场景下只改行对象字段，DataGrid 对计算列(StatusText)可能不会立即重绘。
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// 这里统一重载一次列表，确保状态、筛选结果和分页统计立即一致。
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await LoadAsync();
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}
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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 (_customerChangedToken != null)
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{
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_eventAggregator.GetEvent<CustomerChangedEvent>().Unsubscribe(_customerChangedToken);
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_customerChangedToken = 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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