| | | 1 | | using System.Collections.Concurrent; |
| | | 2 | | using System.Security.Claims; |
| | | 3 | | using Microsoft.Extensions.Caching.Memory; |
| | | 4 | | |
| | | 5 | | namespace OzonOrdersWeb.WebServices.Orders.Grid; |
| | | 6 | | |
| | | 7 | | public sealed class OrdersGridRefreshStatusesRequest |
| | | 8 | | { |
| | | 9 | | public List<int> Ids { get; set; } = []; |
| | | 10 | | } |
| | | 11 | | |
| | | 12 | | public sealed class OrdersGridStatusRefreshResult |
| | | 13 | | { |
| | | 14 | | public string? Message { get; set; } |
| | | 15 | | |
| | | 16 | | public string? Error { get; set; } |
| | | 17 | | |
| | | 18 | | /// <summary>Свежие строки грида по доступным пользователю заказам (после синхронизации с Ozon).</summary> |
| | | 19 | | public List<OrderGridRowDto> Rows { get; set; } = []; |
| | | 20 | | } |
| | | 21 | | |
| | | 22 | | public interface IOrdersGridStatusRefreshService |
| | | 23 | | { |
| | | 24 | | Task<OrdersGridStatusRefreshResult> RefreshAsync(IReadOnlyList<int> ids, ClaimsPrincipal principal, CancellationToke |
| | | 25 | | } |
| | | 26 | | |
| | | 27 | | /// <summary> |
| | | 28 | | /// Ручное «Обновить» статусов из грида: синхронно запрашивает статусы в Ozon и сразу возвращает |
| | | 29 | | /// перечитанные строки, чтобы грид обновил их на месте, без перехода на страницу старого списка. |
| | | 30 | | /// </summary> |
| | | 31 | | public sealed class OrdersGridStatusRefreshService : IOrdersGridStatusRefreshService |
| | | 32 | | { |
| | | 33 | | public const int MaxIds = 100; |
| | | 34 | | |
| | | 35 | | /// <summary>Повторно опрашивать Ozon по одному и тому же заказу не чаще, чем раз в это время.</summary> |
| | 1 | 36 | | public static readonly TimeSpan OrderCooldown = TimeSpan.FromSeconds(15); |
| | | 37 | | |
| | | 38 | | // Один пользователь — один опрос одновременно (двойной клик / спам по меню не множит запросы к Ozon). |
| | 1 | 39 | | private static readonly ConcurrentDictionary<string, byte> InFlight = new(); |
| | | 40 | | |
| | | 41 | | private readonly IOrdersClientStatusSyncService _statusSync; |
| | | 42 | | private readonly IOrdersGridRowHydrator _hydrator; |
| | | 43 | | private readonly IOrdersGridScopedQuery _scoped; |
| | | 44 | | private readonly IMemoryCache _cache; |
| | | 45 | | |
| | 5 | 46 | | public OrdersGridStatusRefreshService( |
| | 5 | 47 | | IOrdersClientStatusSyncService statusSync, |
| | 5 | 48 | | IOrdersGridRowHydrator hydrator, |
| | 5 | 49 | | IOrdersGridScopedQuery scoped, |
| | 5 | 50 | | IMemoryCache cache) |
| | | 51 | | { |
| | 5 | 52 | | _cache = cache; |
| | 5 | 53 | | _statusSync = statusSync; |
| | 5 | 54 | | _hydrator = hydrator; |
| | 5 | 55 | | _scoped = scoped; |
| | 5 | 56 | | } |
| | | 57 | | |
| | | 58 | | public async Task<OrdersGridStatusRefreshResult> RefreshAsync( |
| | | 59 | | IReadOnlyList<int> ids, ClaimsPrincipal principal, CancellationToken cancellationToken) |
| | | 60 | | { |
| | 9 | 61 | | var distinct = ids.Distinct().Take(MaxIds).ToList(); |
| | 9 | 62 | | if (distinct.Count == 0) |
| | | 63 | | { |
| | 1 | 64 | | return new OrdersGridStatusRefreshResult { Error = "Не переданы заказы для обновления." }; |
| | | 65 | | } |
| | | 66 | | |
| | 8 | 67 | | var user = await _scoped.ResolveUserAsync(principal); |
| | 8 | 68 | | if (user is null) |
| | | 69 | | { |
| | 0 | 70 | | return new OrdersGridStatusRefreshResult { Error = "Пользователь не найден." }; |
| | | 71 | | } |
| | | 72 | | |
| | | 73 | | // RLS: чужие заказы не синхронизируем и не отдаём. |
| | 8 | 74 | | var accessible = await _scoped.FilterAccessibleAsync(user, distinct, includeArchived: true, cancellationToken); |
| | 8 | 75 | | if (accessible.Count == 0) |
| | | 76 | | { |
| | 0 | 77 | | return new OrdersGridStatusRefreshResult { Error = "Нет доступных заказов для обновления." }; |
| | | 78 | | } |
| | | 79 | | |
| | 8 | 80 | | var userKey = principal.FindFirstValue(ClaimTypes.NameIdentifier) ?? principal.Identity?.Name ?? "anonymous"; |
| | 8 | 81 | | if (!InFlight.TryAdd(userKey, 0)) |
| | | 82 | | { |
| | 1 | 83 | | return new OrdersGridStatusRefreshResult { Error = "Обновление уже выполняется — дождитесь завершения." }; |
| | | 84 | | } |
| | | 85 | | |
| | | 86 | | try |
| | | 87 | | { |
| | | 88 | | // Недавно опрошенные заказы повторно к Ozon не отправляем — отдаём текущие строки из БД. |
| | 19 | 89 | | var toSync = accessible.Where(id => !_cache.TryGetValue(CooldownKey(id), out _)).ToList(); |
| | 32 | 90 | | foreach (var id in toSync) |
| | 9 | 91 | | _cache.Set(CooldownKey(id), true, OrderCooldown); |
| | | 92 | | |
| | 7 | 93 | | OrdersClientStatusSyncResult? sync = null; |
| | 7 | 94 | | if (toSync.Count > 0) |
| | 6 | 95 | | sync = await _statusSync.SyncOrderStatusesAsync(toSync, cancellationToken); |
| | | 96 | | |
| | 7 | 97 | | var rows = await _hydrator.HydrateAsync(accessible, principal, cancellationToken); |
| | 7 | 98 | | return new OrdersGridStatusRefreshResult |
| | 7 | 99 | | { |
| | 7 | 100 | | Message = sync?.Message ?? "Статусы обновлялись только что — изменений нет.", |
| | 7 | 101 | | Error = sync?.Error, |
| | 7 | 102 | | Rows = rows |
| | 7 | 103 | | }; |
| | | 104 | | } |
| | | 105 | | finally |
| | | 106 | | { |
| | 7 | 107 | | InFlight.TryRemove(userKey, out _); |
| | | 108 | | } |
| | 9 | 109 | | } |
| | | 110 | | |
| | 21 | 111 | | private static string CooldownKey(int orderId) => $"og-status-refresh:{orderId}"; |
| | | 112 | | } |