src/Queue.Admin/ViewModels/ServicesViewModel.cs - dev - kochkatech/Queue

src/Queue.Admin/ViewModels/ServicesViewModel.cs
196 строк6 KB
kochkareal
refactor: применить общие стили и добавить поиск/фильтры в панели администратора
27 июл 2026, 18:37
27 июл 2026, 18:37cd6a08b
using System;
using System.Collections.ObjectModel;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Data;
using System.ComponentModel;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Microsoft.EntityFrameworkCore;
using Queue.Core.Models;
using Queue.Data;

namespace Queue.Admin.ViewModels;

public partial class ServicesViewModel : ObservableObject
{
    private readonly QueueDbContextFactory _dbContextFactory;

    public ObservableCollection<Service> Services { get; } = new();

    // См. TicketsViewModel.TicketsView — тот же приём: DataGrid привязан к представлению,
    // а не к Services напрямую, чтобы SearchText фильтровал без отдельной копии списка.
    public ICollectionView ServicesView { get; }

    public ObservableCollection<WindowSelectionItem> AvailableWindows { get; } = new();

    [ObservableProperty]
    private string searchText = string.Empty;

    [ObservableProperty]
    private string newServiceName = string.Empty;

    [ObservableProperty]
    private string newServiceCode = string.Empty;

    [ObservableProperty]
    private int newServiceDurationMinutes = 5;

    [ObservableProperty]
    private Service? selectedService;

    public ServicesViewModel(QueueDbContextFactory dbContextFactory)
    {
        _dbContextFactory = dbContextFactory;
        ServicesView = CollectionViewSource.GetDefaultView(Services);
        ServicesView.Filter = FilterService;
        _ = LoadAsync();
    }

    partial void OnSearchTextChanged(string value) => ServicesView.Refresh();

    private bool FilterService(object obj)
    {
        if (string.IsNullOrWhiteSpace(SearchText))
        {
            return true;
        }

        var service = (Service)obj;
        var text = SearchText.Trim();
        return service.Name.Contains(text, StringComparison.OrdinalIgnoreCase)
            || service.Code.Contains(text, StringComparison.OrdinalIgnoreCase);
    }

    [RelayCommand]
    private async Task LoadAsync()
    {
        using var db = _dbContextFactory.CreateDbContext();
        var items = await db.Services.Include(s => s.Windows).OrderBy(s => s.SortOrder).ToListAsync();

        Services.Clear();
        foreach (var item in items)
        {
            Services.Add(item);
        }
    }

    [RelayCommand]
    private async Task AddAsync()
    {
        if (string.IsNullOrWhiteSpace(NewServiceName) || string.IsNullOrWhiteSpace(NewServiceCode))
        {
            return;
        }

        var service = new Service
        {
            Name = NewServiceName.Trim(),
            Code = NewServiceCode.Trim(),
            AverageDurationMinutes = NewServiceDurationMinutes,
            IsActive = true,
            SortOrder = Services.Count
        };

        using (var db = _dbContextFactory.CreateDbContext())
        {
            db.Services.Add(service);
            await db.SaveChangesAsync();
        }

        Services.Add(service);
        NewServiceName = string.Empty;
        NewServiceCode = string.Empty;
        NewServiceDurationMinutes = 5;
    }

    // Сохраняет изменения полей строки (название, код, время, активность) после редактирования в гриде.
    [RelayCommand]
    private async Task UpdateAsync(Service? service)
    {
        if (service is null)
        {
            return;
        }

        using var db = _dbContextFactory.CreateDbContext();
        db.Attach(service);
        db.Entry(service).Property(s => s.Name).IsModified = true;
        db.Entry(service).Property(s => s.Code).IsModified = true;
        db.Entry(service).Property(s => s.AverageDurationMinutes).IsModified = true;
        db.Entry(service).Property(s => s.IsActive).IsModified = true;
        db.Entry(service).Property(s => s.SortOrder).IsModified = true;
        await db.SaveChangesAsync();
    }

    [RelayCommand]
    private async Task DeleteAsync(Service? service)
    {
        if (service is null)
        {
            return;
        }

        using (var db = _dbContextFactory.CreateDbContext())
        {
            db.Services.Attach(service);
            db.Services.Remove(service);
            await db.SaveChangesAsync();
        }

        Services.Remove(service);
    }

    // Список окон для панели справа пересобирается при выборе услуги в гриде.
    partial void OnSelectedServiceChanged(Service? value)
    {
        _ = LoadAvailableWindowsAsync(value);
    }

    private async Task LoadAvailableWindowsAsync(Service? service)
    {
        AvailableWindows.Clear();

        using var db = _dbContextFactory.CreateDbContext();
        var windows = await db.Windows.OrderBy(w => w.Name).ToListAsync();
        var selectedIds = service?.Windows.Select(w => w.Id).ToHashSet() ?? new System.Collections.Generic.HashSet<int>();

        foreach (var window in windows)
        {
            AvailableWindows.Add(new WindowSelectionItem(window)
            {
                IsSelected = selectedIds.Contains(window.Id)
            });
        }
    }

    [RelayCommand]
    private async Task SaveWindowAssignmentsAsync()
    {
        if (SelectedService is null)
        {
            return;
        }

        using var db = _dbContextFactory.CreateDbContext();
        var service = await db.Services.Include(s => s.Windows).FirstOrDefaultAsync(s => s.Id == SelectedService.Id);
        if (service is null)
        {
            return;
        }

        service.Windows.Clear();
        foreach (var item in AvailableWindows.Where(w => w.IsSelected))
        {
            var window = await db.Windows.FindAsync(item.Window.Id);
            if (window is not null)
            {
                service.Windows.Add(window);
            }
        }

        await db.SaveChangesAsync();

        SelectedService.Windows = service.Windows.ToList();
    }
}