| | | 1 | | using System.Collections.Concurrent; |
| | | 2 | | using Microsoft.Extensions.DependencyInjection; |
| | | 3 | | using Microsoft.Extensions.Logging; |
| | | 4 | | using OzonDomains.Models; |
| | | 5 | | |
| | | 6 | | namespace Services.ApiServices.ArmtekApi; |
| | | 7 | | |
| | | 8 | | /// <summary> |
| | | 9 | | /// Process-wide кэш справочника складов Armtek (getStoreList). Запрос занимает десятки секунд и |
| | | 10 | | /// нужен только для подписи склада, поэтому загружается в фоне при старте приложения и обновляется |
| | | 11 | | /// по расписанию (<see cref="ArmtekStoreDirectoryHostedService"/>). Проценка читает только из памяти |
| | | 12 | | /// и никогда не ждёт Armtek: пока справочника нет, склад подписывается кодом KEYZAK. |
| | | 13 | | /// </summary> |
| | | 14 | | public sealed class ArmtekStoreDirectory |
| | | 15 | | { |
| | | 16 | | /// <summary>Пауза после 1-го, 2-го, 3-го и последующих сбоев подряд: недоступный getStoreList не долбим каждые пару |
| | 1 | 17 | | private static readonly TimeSpan[] FailureBackoffSteps = [TimeSpan.FromMinutes(2), TimeSpan.FromMinutes(10), TimeSpa |
| | | 18 | | |
| | | 19 | | private readonly IServiceScopeFactory _scopes; |
| | | 20 | | private readonly ILogger<ArmtekStoreDirectory> _logger; |
| | 13 | 21 | | private readonly ConcurrentDictionary<string, IReadOnlyDictionary<string, string>> _byKeyzak = new(); |
| | 13 | 22 | | private readonly ConcurrentDictionary<string, DateTime> _nextAttemptUtc = new(); |
| | 13 | 23 | | private readonly ConcurrentDictionary<string, byte> _inFlight = new(); |
| | 13 | 24 | | private readonly ConcurrentDictionary<string, int> _failures = new(); |
| | | 25 | | |
| | 13 | 26 | | public ArmtekStoreDirectory(IServiceScopeFactory scopes, ILogger<ArmtekStoreDirectory> logger) |
| | | 27 | | { |
| | 13 | 28 | | _scopes = scopes; |
| | 13 | 29 | | _logger = logger; |
| | 13 | 30 | | } |
| | | 31 | | |
| | | 32 | | /// <summary>Ключи (provider:vkorg) уже загруженных справочников — их обновляет фоновый сервис.</summary> |
| | | 33 | | public IReadOnlyCollection<(string ProviderKey, string? Vkorg)> LoadedKeys => |
| | 0 | 34 | | _byKeyzak.Keys.Select(ParseKey).ToArray(); |
| | | 35 | | |
| | | 36 | | public bool TryGet(string providerKey, string? vkorg, out IReadOnlyDictionary<string, string> storeNameByKeyzak) |
| | | 37 | | { |
| | 5 | 38 | | if (_byKeyzak.TryGetValue(BuildKey(providerKey, vkorg), out var stores)) |
| | | 39 | | { |
| | 1 | 40 | | storeNameByKeyzak = stores; |
| | 1 | 41 | | return true; |
| | | 42 | | } |
| | | 43 | | |
| | 4 | 44 | | storeNameByKeyzak = EmptyStores; |
| | 4 | 45 | | return false; |
| | | 46 | | } |
| | | 47 | | |
| | | 48 | | /// <summary>Нет ли паузы после сбоя: фоновый сервис не должен повторять загрузку раньше срока.</summary> |
| | | 49 | | public bool IsLoadDue(string providerKey, string? vkorg) => |
| | 0 | 50 | | !_nextAttemptUtc.TryGetValue(BuildKey(providerKey, vkorg), out var next) || next <= DateTime.UtcNow; |
| | | 51 | | |
| | | 52 | | private void RegisterFailure(string key) |
| | | 53 | | { |
| | 6 | 54 | | var count = _failures.AddOrUpdate(key, 1, (_, c) => c + 1); |
| | 6 | 55 | | _nextAttemptUtc[key] = DateTime.UtcNow + FailureBackoffSteps[Math.Min(count, FailureBackoffSteps.Length) - 1]; |
| | 6 | 56 | | } |
| | | 57 | | |
| | | 58 | | /// <summary>Запускает загрузку в фоне, если справочника нет и не идёт попытка/не действует пауза после сбоя.</summa |
| | | 59 | | public void RequestLoad(string providerKey, string? vkorg) |
| | | 60 | | { |
| | 4 | 61 | | var key = BuildKey(providerKey, vkorg); |
| | 4 | 62 | | if (_byKeyzak.ContainsKey(key)) return; |
| | 4 | 63 | | if (_nextAttemptUtc.TryGetValue(key, out var next) && next > DateTime.UtcNow) return; |
| | 8 | 64 | | _ = Task.Run(() => LoadAsync(providerKey, vkorg, CancellationToken.None)); |
| | 4 | 65 | | } |
| | | 66 | | |
| | | 67 | | /// <summary>Загружает справочник из Armtek. При сбое прежнее содержимое кэша сохраняется.</summary> |
| | | 68 | | public async Task<bool> LoadAsync(string providerKey, string? vkorg, CancellationToken ct) |
| | | 69 | | { |
| | 7 | 70 | | var key = BuildKey(providerKey, vkorg); |
| | 7 | 71 | | if (!_inFlight.TryAdd(key, 0)) return _byKeyzak.ContainsKey(key); |
| | | 72 | | |
| | | 73 | | try |
| | | 74 | | { |
| | 7 | 75 | | await using var scope = _scopes.CreateAsyncScope(); |
| | 7 | 76 | | ArmtekDataManager manager = providerKey == ApiSupplierSettings.ArmtekByProviderKey |
| | 7 | 77 | | ? scope.ServiceProvider.GetRequiredService<ArmtekByDataManager>() |
| | 7 | 78 | | : scope.ServiceProvider.GetRequiredService<ArmtekDataManager>(); |
| | | 79 | | |
| | 3 | 80 | | var response = await manager.GetStoreListAsync(vkorg, ct); |
| | 3 | 81 | | if (response.HasErrors || response.Resp is null || response.Resp.Count == 0) |
| | | 82 | | { |
| | 2 | 83 | | RegisterFailure(key); |
| | 4 | 84 | | var messages = string.Join("; ", (response.Messages ?? []).Select(m => m.Text)); |
| | 2 | 85 | | if (response.Messages != null && ArmtekDailyQuotaGuard.IsExceeded(response.Messages)) |
| | | 86 | | { |
| | 1 | 87 | | _logger.LogInformation("Armtek {Provider}: getStoreList не вернул склады ({Messages})", providerKey, |
| | | 88 | | } |
| | | 89 | | else |
| | | 90 | | { |
| | 1 | 91 | | _logger.LogWarning("Armtek {Provider}: getStoreList не вернул склады ({Messages})", providerKey, mes |
| | | 92 | | } |
| | 2 | 93 | | return _byKeyzak.ContainsKey(key); |
| | | 94 | | } |
| | | 95 | | |
| | 1 | 96 | | _byKeyzak[key] = response.Resp |
| | 2 | 97 | | .Where(x => !string.IsNullOrWhiteSpace(x.Keyzak) && !string.IsNullOrWhiteSpace(x.SklName)) |
| | 2 | 98 | | .GroupBy(x => x.Keyzak, StringComparer.OrdinalIgnoreCase) |
| | 5 | 99 | | .ToDictionary(g => g.Key, g => g.First().SklName, StringComparer.OrdinalIgnoreCase); |
| | 1 | 100 | | _nextAttemptUtc.TryRemove(key, out _); |
| | 1 | 101 | | _failures.TryRemove(key, out _); |
| | 1 | 102 | | return true; |
| | 0 | 103 | | } |
| | 4 | 104 | | catch (Exception ex) when (!ct.IsCancellationRequested) |
| | | 105 | | { |
| | 4 | 106 | | RegisterFailure(key); |
| | 4 | 107 | | if (ArmtekDailyQuotaGuard.IsExceeded(ex.Message)) |
| | | 108 | | { |
| | 0 | 109 | | _logger.LogInformation(ex, "Armtek {Provider}: не удалось загрузить справочник складов — исчерпана суточ |
| | | 110 | | } |
| | | 111 | | else |
| | | 112 | | { |
| | 4 | 113 | | _logger.LogWarning(ex, "Armtek {Provider}: не удалось загрузить справочник складов", providerKey); |
| | | 114 | | } |
| | 4 | 115 | | return _byKeyzak.ContainsKey(key); |
| | | 116 | | } |
| | | 117 | | finally |
| | | 118 | | { |
| | 7 | 119 | | _inFlight.TryRemove(key, out _); |
| | | 120 | | } |
| | 7 | 121 | | } |
| | | 122 | | |
| | 1 | 123 | | private static readonly IReadOnlyDictionary<string, string> EmptyStores = |
| | 1 | 124 | | new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase); |
| | | 125 | | |
| | | 126 | | private static string BuildKey(string providerKey, string? vkorg) => |
| | 16 | 127 | | $"{providerKey}|{(string.IsNullOrWhiteSpace(vkorg) ? string.Empty : vkorg.Trim())}"; |
| | | 128 | | |
| | | 129 | | private static (string ProviderKey, string? Vkorg) ParseKey(string key) |
| | | 130 | | { |
| | 0 | 131 | | var parts = key.Split('|', 2); |
| | 0 | 132 | | return (parts[0], parts[1].Length == 0 ? null : parts[1]); |
| | | 133 | | } |
| | | 134 | | } |