| | | 1 | | using Hangfire; |
| | | 2 | | using Microsoft.Extensions.Configuration; |
| | | 3 | | using Microsoft.Extensions.DependencyInjection; |
| | | 4 | | using Microsoft.Extensions.Hosting; |
| | | 5 | | using Serilog; |
| | | 6 | | using Services.SearchServices.OrderSearch; |
| | | 7 | | |
| | | 8 | | namespace OzonOrdersWeb.HostedServices; |
| | | 9 | | |
| | | 10 | | /// <summary> |
| | | 11 | | /// При включённом OrdersSearch:UseElasticsearch создаёт индекс при первом старте |
| | | 12 | | /// и (опционально) ставит полную переиндексацию, если индекс пуст — удобно для локальной разработки. |
| | | 13 | | /// </summary> |
| | | 14 | | public sealed class OrderSearchStartupHostedService : IHostedService |
| | | 15 | | { |
| | | 16 | | private readonly IServiceProvider _services; |
| | | 17 | | private readonly IConfiguration _configuration; |
| | | 18 | | private readonly IHostApplicationLifetime _lifetime; |
| | | 19 | | |
| | 0 | 20 | | public OrderSearchStartupHostedService( |
| | 0 | 21 | | IServiceProvider services, |
| | 0 | 22 | | IConfiguration configuration, |
| | 0 | 23 | | IHostApplicationLifetime lifetime) |
| | | 24 | | { |
| | 0 | 25 | | _services = services; |
| | 0 | 26 | | _configuration = configuration; |
| | 0 | 27 | | _lifetime = lifetime; |
| | 0 | 28 | | } |
| | | 29 | | |
| | | 30 | | public Task StartAsync(CancellationToken cancellationToken) |
| | | 31 | | { |
| | 0 | 32 | | _lifetime.ApplicationStarted.Register(() => _ = RunBootstrapAsync()); |
| | 0 | 33 | | return Task.CompletedTask; |
| | | 34 | | } |
| | | 35 | | |
| | 0 | 36 | | public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask; |
| | | 37 | | |
| | | 38 | | private async Task RunBootstrapAsync() |
| | | 39 | | { |
| | 0 | 40 | | if (!_configuration.GetValue<bool>("OrdersSearch:UseElasticsearch")) |
| | | 41 | | { |
| | 0 | 42 | | return; |
| | | 43 | | } |
| | | 44 | | |
| | | 45 | | try |
| | | 46 | | { |
| | 0 | 47 | | using var scope = _services.CreateScope(); |
| | 0 | 48 | | var searchService = scope.ServiceProvider.GetRequiredService<IOrderSearchService>(); |
| | | 49 | | |
| | | 50 | | // CreateIndexAsync идемпотентен: у существующего индекса он донастраивает mapping |
| | | 51 | | // (поле Scanit), поэтому вызывается всегда, а не только при создании. |
| | 0 | 52 | | var indexExisted = await searchService.IndexExistsAsync(); |
| | 0 | 53 | | var created = await searchService.CreateIndexAsync(); |
| | 0 | 54 | | if (!created) |
| | | 55 | | { |
| | 0 | 56 | | Log.Warning("OrderSearch: не удалось создать или обновить индекс — проверьте доступность Elasticsearch ( |
| | 0 | 57 | | _configuration["OrdersSearch:Url"] ?? "http://localhost:9201"); |
| | 0 | 58 | | return; |
| | | 59 | | } |
| | | 60 | | |
| | 0 | 61 | | if (!indexExisted) |
| | | 62 | | { |
| | 0 | 63 | | Log.Information("OrderSearch: индекс {Index} создан", _configuration["OrdersSearch:IndexName"] ?? "order |
| | | 64 | | } |
| | | 65 | | |
| | 0 | 66 | | if (!_configuration.GetValue<bool>("OrdersSearch:BootstrapReindexOnEmptyIndex")) |
| | | 67 | | { |
| | 0 | 68 | | return; |
| | | 69 | | } |
| | | 70 | | |
| | 0 | 71 | | var count = await searchService.GetTotalCountAsync(); |
| | 0 | 72 | | if (count > 0) |
| | | 73 | | { |
| | 0 | 74 | | return; |
| | | 75 | | } |
| | | 76 | | |
| | 0 | 77 | | if (!await WaitForJobStorageAsync(TimeSpan.FromSeconds(30))) |
| | | 78 | | { |
| | 0 | 79 | | Log.Warning("OrderSearch: Hangfire JobStorage недоступен — пропуск bootstrap-переиндексации"); |
| | 0 | 80 | | return; |
| | | 81 | | } |
| | | 82 | | |
| | 0 | 83 | | BackgroundJob.Enqueue<OrderSearchFullReindexJob>(x => x.ExecuteAsync()); |
| | 0 | 84 | | Log.Information("OrderSearch: индекс пуст — поставлена полная переиндексация (BootstrapReindexOnEmptyIndex)" |
| | 0 | 85 | | } |
| | 0 | 86 | | catch (Exception ex) |
| | | 87 | | { |
| | 0 | 88 | | Log.Warning(ex, "OrderSearch startup bootstrap failed — поиск упадёт на LIKE-fallback"); |
| | 0 | 89 | | } |
| | 0 | 90 | | } |
| | | 91 | | |
| | | 92 | | private static async Task<bool> WaitForJobStorageAsync(TimeSpan timeout) |
| | | 93 | | { |
| | 0 | 94 | | var deadline = DateTime.UtcNow + timeout; |
| | 0 | 95 | | while (DateTime.UtcNow < deadline) |
| | | 96 | | { |
| | | 97 | | try |
| | | 98 | | { |
| | 0 | 99 | | _ = JobStorage.Current; |
| | 0 | 100 | | return true; |
| | | 101 | | } |
| | 0 | 102 | | catch (InvalidOperationException) |
| | | 103 | | { |
| | 0 | 104 | | await Task.Delay(200); |
| | | 105 | | } |
| | | 106 | | } |
| | | 107 | | |
| | 0 | 108 | | return false; |
| | 0 | 109 | | } |
| | | 110 | | } |