| | | 1 | | using Hangfire; |
| | | 2 | | using Hangfire.Common; |
| | | 3 | | using Hangfire.States; |
| | | 4 | | using Microsoft.Extensions.Caching.Memory; |
| | | 5 | | using OzonDomains.Models; |
| | | 6 | | using Services.HangfireService; |
| | | 7 | | |
| | | 8 | | namespace OzonOrdersWeb.WebServices.Orders; |
| | | 9 | | |
| | | 10 | | public interface IOrdersIndexClientStatusRefreshService |
| | | 11 | | { |
| | | 12 | | /// <summary> |
| | | 13 | | /// Синхронизирует статусы Ozon для страницы и обновляет <see cref="Order.ClientStatusId"/> в памяти. |
| | | 14 | | /// </summary> |
| | | 15 | | Task RefreshOnPageLoadAsync( |
| | | 16 | | IReadOnlyList<Order> distinctOrders, |
| | | 17 | | IReadOnlyList<int> orderIdsToSync, |
| | | 18 | | CancellationToken cancellationToken = default); |
| | | 19 | | } |
| | | 20 | | |
| | | 21 | | public sealed class OrdersIndexClientStatusRefreshService : IOrdersIndexClientStatusRefreshService |
| | | 22 | | { |
| | | 23 | | private const int MaxOrdersPerBackgroundJob = 100; |
| | 0 | 24 | | private static readonly TimeSpan EnqueueCooldown = TimeSpan.FromMinutes(2); |
| | | 25 | | private readonly IBackgroundJobClient _backgroundJobs; |
| | | 26 | | private readonly IMemoryCache _memoryCache; |
| | | 27 | | |
| | 0 | 28 | | public OrdersIndexClientStatusRefreshService( |
| | 0 | 29 | | IBackgroundJobClient backgroundJobs, |
| | 0 | 30 | | IMemoryCache memoryCache) |
| | | 31 | | { |
| | 0 | 32 | | _backgroundJobs = backgroundJobs; |
| | 0 | 33 | | _memoryCache = memoryCache; |
| | 0 | 34 | | } |
| | | 35 | | |
| | | 36 | | public Task RefreshOnPageLoadAsync( |
| | | 37 | | IReadOnlyList<Order> distinctOrders, |
| | | 38 | | IReadOnlyList<int> orderIdsToSync, |
| | | 39 | | CancellationToken cancellationToken = default) |
| | | 40 | | { |
| | 0 | 41 | | if (orderIdsToSync.Count == 0) |
| | | 42 | | { |
| | 0 | 43 | | return Task.CompletedTask; |
| | | 44 | | } |
| | | 45 | | |
| | | 46 | | // Раньше здесь ожидались HTTP-вызовы к Ozon и несколько запросов к БД: открытие |
| | | 47 | | // каждой страницы заказов зависело от внешнего API. Ставим ограниченный батч в |
| | | 48 | | // отдельную очередь; обновлённый статус будет виден при следующей загрузке страницы. |
| | 0 | 49 | | var idsToSync = orderIdsToSync.Distinct() |
| | 0 | 50 | | .Where(id => !_memoryCache.TryGetValue($"order-status-sync-enqueued:{id}", out _)) |
| | 0 | 51 | | .Take(MaxOrdersPerBackgroundJob) |
| | 0 | 52 | | .ToArray(); |
| | 0 | 53 | | if (idsToSync.Length == 0) |
| | 0 | 54 | | return Task.CompletedTask; |
| | | 55 | | |
| | 0 | 56 | | foreach (var id in idsToSync) |
| | 0 | 57 | | _memoryCache.Set($"order-status-sync-enqueued:{id}", true, EnqueueCooldown); |
| | | 58 | | |
| | 0 | 59 | | _backgroundJobs.Create( |
| | 0 | 60 | | Job.FromExpression<OrdersClientStatusRefreshJob>(x => x.ExecuteAsync(idsToSync)), |
| | 0 | 61 | | new EnqueuedState(HangfireQueueNames.OrderStatusSync)); |
| | | 62 | | |
| | 0 | 63 | | return Task.CompletedTask; |
| | | 64 | | } |
| | | 65 | | } |