| | | 1 | | using Microsoft.EntityFrameworkCore; |
| | | 2 | | using Microsoft.Extensions.Logging; |
| | | 3 | | using OzonDomains.Models.SupplierStatuses; |
| | | 4 | | using OzonRepositories.Context; |
| | | 5 | | |
| | | 6 | | namespace OzonOrdersWeb.TransactionServices; |
| | | 7 | | |
| | | 8 | | public sealed record SupplierOrderIntentInfo( |
| | | 9 | | long Id, string RequestId, string ProviderKey, int StudioOrderId, string Status, |
| | | 10 | | string? ExternalOrderNumber, string? RequestedBy, DateTime CreatedAtUtc, DateTime UpdatedAtUtc); |
| | | 11 | | |
| | | 12 | | /// <summary>Итог <see cref="ISupplierOrderIntentStore.BeginAsync"/>.</summary> |
| | | 13 | | /// <param name="Started">Созданные намерения (Placing).</param> |
| | | 14 | | /// <param name="Busy">Активные намерения, из-за которых новое не создано: другой запрос оказался быстрее.</param> |
| | | 15 | | /// <param name="Recorded"><c>false</c> — таблицы намерений ещё нет (миграция не применена), запись не велась.</param> |
| | | 16 | | public sealed record SupplierOrderIntentBeginResult( |
| | | 17 | | IReadOnlyList<SupplierOrderIntentInfo> Started, IReadOnlyList<SupplierOrderIntentInfo> Busy, bool Recorded) |
| | | 18 | | { |
| | | 19 | | public static SupplierOrderIntentBeginResult NotRecorded { get; } = new([], [], false); |
| | | 20 | | } |
| | | 21 | | |
| | | 22 | | /// <summary> |
| | | 23 | | /// Хранилище намерений оформить заказ у поставщика (outbox). Каждая операция выполняется в собственном |
| | | 24 | | /// контексте и сразу фиксируется — запись не откатывается вместе с основной транзакцией запроса. |
| | | 25 | | /// </summary> |
| | | 26 | | public interface ISupplierOrderIntentStore |
| | | 27 | | { |
| | | 28 | | Task<IReadOnlyList<SupplierOrderIntentInfo>> GetActiveAsync(IReadOnlyCollection<int> orderIds, CancellationToken ct) |
| | | 29 | | |
| | | 30 | | /// <summary> |
| | | 31 | | /// Создаёт намерения Placing. Если по (поставщик, заказ) уже есть активное — оно попадает в <c>Busy</c>, |
| | | 32 | | /// кроме пар из <paramref name="supersede"/> (пользователь явно подтвердил повтор): тогда старое закрывается как Su |
| | | 33 | | /// </summary> |
| | | 34 | | Task<SupplierOrderIntentBeginResult> BeginAsync( |
| | | 35 | | string requestId, string source, string? user, |
| | | 36 | | IReadOnlyCollection<(string ProviderKey, int OrderId)> targets, |
| | | 37 | | IReadOnlySet<(string ProviderKey, int OrderId)> supersede, CancellationToken ct); |
| | | 38 | | |
| | | 39 | | /// <summary>Переводит намерение в итоговый статус; для не-активных статусов освобождает уникальный индекс.</summary |
| | | 40 | | Task ResolveAsync(long id, string status, string? externalOrderNumber, string? note, string? resolvedBy); |
| | | 41 | | } |
| | | 42 | | |
| | | 43 | | /// <summary> |
| | | 44 | | /// Реализация на <c>IDbContextFactory</c>. Пока таблицы <c>SupplierOrderIntents</c> нет (миграция ещё не применена), |
| | | 45 | | /// работает «в холостую»: ничего не пишет и не находит, чтобы деплой кода раньше схемы не ломал оформление заказов; |
| | | 46 | | /// проверка таблицы повторяется раз в две минуты. Любая другая ошибка БД пробрасывается — заказ без записи |
| | | 47 | | /// намерения поставщику не отправляется. |
| | | 48 | | /// </summary> |
| | | 49 | | public sealed class SupplierOrderIntentStore : ISupplierOrderIntentStore |
| | | 50 | | { |
| | 1 | 51 | | private static readonly TimeSpan RetryAfterMissingTable = TimeSpan.FromMinutes(2); |
| | | 52 | | |
| | | 53 | | private readonly IDbContextFactory<ApplicationDbContext> _factory; |
| | | 54 | | private readonly ILogger<SupplierOrderIntentStore> _logger; |
| | | 55 | | private long _unavailableUntilTicks; |
| | | 56 | | |
| | 43 | 57 | | public SupplierOrderIntentStore(IDbContextFactory<ApplicationDbContext> factory, ILogger<SupplierOrderIntentStore> l |
| | | 58 | | { |
| | 43 | 59 | | _factory = factory; |
| | 43 | 60 | | _logger = logger; |
| | 43 | 61 | | } |
| | | 62 | | |
| | 98 | 63 | | private bool IsDown => DateTime.UtcNow.Ticks < Interlocked.Read(ref _unavailableUntilTicks); |
| | | 64 | | |
| | | 65 | | public async Task<IReadOnlyList<SupplierOrderIntentInfo>> GetActiveAsync(IReadOnlyCollection<int> orderIds, Cancella |
| | | 66 | | { |
| | 34 | 67 | | if (IsDown || orderIds.Count == 0) return []; |
| | | 68 | | try |
| | | 69 | | { |
| | 32 | 70 | | await using var db = await _factory.CreateDbContextAsync(ct); |
| | 32 | 71 | | var ids = orderIds.ToList(); |
| | 32 | 72 | | var rows = await db.SupplierOrderIntents.AsNoTracking() |
| | 32 | 73 | | .Where(x => ids.Contains(x.StudioOrderId) && x.ActiveStudioOrderId != null) |
| | 32 | 74 | | .ToListAsync(ct); |
| | 31 | 75 | | return rows.Select(ToInfo).ToList(); |
| | 0 | 76 | | } |
| | 1 | 77 | | catch (Exception ex) when (TryDegrade(ex)) |
| | | 78 | | { |
| | 1 | 79 | | return []; |
| | | 80 | | } |
| | 33 | 81 | | } |
| | | 82 | | |
| | | 83 | | public async Task<SupplierOrderIntentBeginResult> BeginAsync( |
| | | 84 | | string requestId, string source, string? user, |
| | | 85 | | IReadOnlyCollection<(string ProviderKey, int OrderId)> targets, |
| | | 86 | | IReadOnlySet<(string ProviderKey, int OrderId)> supersede, CancellationToken ct) |
| | | 87 | | { |
| | 46 | 88 | | if (IsDown || targets.Count == 0) return SupplierOrderIntentBeginResult.NotRecorded; |
| | | 89 | | try |
| | | 90 | | { |
| | 44 | 91 | | await using var db = await _factory.CreateDbContextAsync(ct); |
| | 44 | 92 | | var started = new List<SupplierOrderIntentInfo>(); |
| | 44 | 93 | | var busy = new List<SupplierOrderIntentInfo>(); |
| | 44 | 94 | | var by = Trim(user, 450); |
| | 181 | 95 | | foreach (var (providerKey, orderId) in targets.Distinct()) |
| | | 96 | | { |
| | 47 | 97 | | var active = await db.SupplierOrderIntents |
| | 47 | 98 | | .FirstOrDefaultAsync(x => x.ProviderKey == providerKey && x.ActiveStudioOrderId == orderId, ct); |
| | 46 | 99 | | if (active is not null) |
| | | 100 | | { |
| | 7 | 101 | | if (!supersede.Contains((providerKey, orderId))) |
| | | 102 | | { |
| | 4 | 103 | | busy.Add(ToInfo(active)); |
| | 4 | 104 | | continue; |
| | | 105 | | } |
| | | 106 | | |
| | 3 | 107 | | active.Status = SupplierOrderIntentStatus.Superseded; |
| | 3 | 108 | | active.ActiveStudioOrderId = null; |
| | 3 | 109 | | active.UpdatedAtUtc = DateTime.UtcNow; |
| | 3 | 110 | | active.ResolvedBy = by; |
| | 3 | 111 | | active.Note = "Заменено новым намерением после явного подтверждения пользователя."; |
| | 3 | 112 | | await db.SaveChangesAsync(ct); |
| | | 113 | | } |
| | | 114 | | |
| | 42 | 115 | | var now = DateTime.UtcNow; |
| | 42 | 116 | | var row = new SupplierOrderIntent |
| | 42 | 117 | | { |
| | 42 | 118 | | RequestId = Trim(requestId, 64) ?? string.Empty, |
| | 42 | 119 | | ProviderKey = providerKey, |
| | 42 | 120 | | StudioOrderId = orderId, |
| | 42 | 121 | | ActiveStudioOrderId = orderId, |
| | 42 | 122 | | Status = SupplierOrderIntentStatus.Placing, |
| | 42 | 123 | | Source = Trim(source, 30) ?? string.Empty, |
| | 42 | 124 | | RequestedBy = by, |
| | 42 | 125 | | CreatedAtUtc = now, |
| | 42 | 126 | | UpdatedAtUtc = now |
| | 42 | 127 | | }; |
| | 42 | 128 | | db.SupplierOrderIntents.Add(row); |
| | | 129 | | try |
| | | 130 | | { |
| | 42 | 131 | | await db.SaveChangesAsync(ct); |
| | 41 | 132 | | started.Add(ToInfo(row)); |
| | 41 | 133 | | } |
| | 1 | 134 | | catch (DbUpdateException ex) when (IsUniqueViolation(ex)) |
| | | 135 | | { |
| | | 136 | | // Гонка: между проверкой и вставкой активное намерение успел создать другой запрос или инстанс. |
| | 1 | 137 | | db.Entry(row).State = EntityState.Detached; |
| | 1 | 138 | | var winner = await db.SupplierOrderIntents.AsNoTracking() |
| | 1 | 139 | | .FirstOrDefaultAsync(x => x.ProviderKey == providerKey && x.ActiveStudioOrderId == orderId, ct); |
| | 1 | 140 | | busy.Add(winner is null ? ToInfo(row) : ToInfo(winner)); |
| | | 141 | | } |
| | 42 | 142 | | } |
| | | 143 | | |
| | 43 | 144 | | return new SupplierOrderIntentBeginResult(started, busy, true); |
| | 0 | 145 | | } |
| | 1 | 146 | | catch (Exception ex) when (TryDegrade(ex)) |
| | | 147 | | { |
| | 1 | 148 | | return SupplierOrderIntentBeginResult.NotRecorded; |
| | | 149 | | } |
| | 45 | 150 | | } |
| | | 151 | | |
| | | 152 | | public async Task ResolveAsync(long id, string status, string? externalOrderNumber, string? note, string? resolvedBy |
| | | 153 | | { |
| | 21 | 154 | | if (IsDown) return; |
| | | 155 | | try |
| | | 156 | | { |
| | 19 | 157 | | await using var db = await _factory.CreateDbContextAsync(CancellationToken.None); |
| | 19 | 158 | | var row = await db.SupplierOrderIntents.FirstOrDefaultAsync(x => x.Id == id, CancellationToken.None); |
| | 19 | 159 | | if (row is null) return; |
| | | 160 | | |
| | 19 | 161 | | row.Status = status; |
| | 19 | 162 | | row.ActiveStudioOrderId = SupplierOrderIntentStatus.IsActive(status) ? row.StudioOrderId : null; |
| | 31 | 163 | | if (!string.IsNullOrWhiteSpace(externalOrderNumber)) row.ExternalOrderNumber = Trim(externalOrderNumber, 200 |
| | 19 | 164 | | row.Note = Trim(note, 500); |
| | 19 | 165 | | row.ResolvedBy = Trim(resolvedBy, 450); |
| | 19 | 166 | | row.UpdatedAtUtc = DateTime.UtcNow; |
| | 19 | 167 | | await db.SaveChangesAsync(CancellationToken.None); |
| | 19 | 168 | | } |
| | 0 | 169 | | catch (Exception ex) when (TryDegrade(ex)) |
| | | 170 | | { |
| | | 171 | | // Таблицы нет — писать некуда. |
| | 0 | 172 | | } |
| | 20 | 173 | | } |
| | | 174 | | |
| | | 175 | | private bool TryDegrade(Exception ex) |
| | | 176 | | { |
| | 2 | 177 | | if (!IsMissingTable(ex)) return false; |
| | 2 | 178 | | Interlocked.Exchange(ref _unavailableUntilTicks, (DateTime.UtcNow + RetryAfterMissingTable).Ticks); |
| | 2 | 179 | | _logger.LogWarning( |
| | 2 | 180 | | "SupplierOrderIntents: таблицы нет — миграция AddSupplierOrderIntents не применена. Намерения заказов не зап |
| | 2 | 181 | | "защита от обрыва запроса работает без outbox (повторная проверка через {Minutes} мин)", RetryAfterMissingTa |
| | 2 | 182 | | return true; |
| | | 183 | | } |
| | | 184 | | |
| | | 185 | | public static bool IsMissingTable(Exception ex) |
| | | 186 | | { |
| | 14 | 187 | | for (var e = ex; e is not null; e = e.InnerException) |
| | | 188 | | { |
| | 6 | 189 | | var message = e.Message; |
| | 6 | 190 | | if (message.Contains(nameof(ApplicationDbContext.SupplierOrderIntents), StringComparison.OrdinalIgnoreCase) |
| | 6 | 191 | | && (message.Contains("doesn't exist", StringComparison.OrdinalIgnoreCase) |
| | 6 | 192 | | || message.Contains("no such table", StringComparison.OrdinalIgnoreCase))) |
| | 4 | 193 | | return true; |
| | | 194 | | } |
| | | 195 | | |
| | 1 | 196 | | return false; |
| | | 197 | | } |
| | | 198 | | |
| | | 199 | | public static bool IsUniqueViolation(Exception ex) |
| | | 200 | | { |
| | 14 | 201 | | for (var e = ex; e is not null; e = e.InnerException) |
| | | 202 | | { |
| | 6 | 203 | | var message = e.Message; |
| | 6 | 204 | | if (message.Contains("Duplicate entry", StringComparison.OrdinalIgnoreCase) |
| | 6 | 205 | | || message.Contains("UNIQUE constraint failed", StringComparison.OrdinalIgnoreCase) |
| | 6 | 206 | | || message.Contains("unique index", StringComparison.OrdinalIgnoreCase)) |
| | 3 | 207 | | return true; |
| | | 208 | | |
| | | 209 | | // MySqlException.Number == 1062 (ER_DUP_ENTRY) без ссылки на сборку коннектора. |
| | 3 | 210 | | if (e.GetType().GetProperty("Number")?.GetValue(e) is int number && number == 1062) return true; |
| | | 211 | | } |
| | | 212 | | |
| | 1 | 213 | | return false; |
| | | 214 | | } |
| | | 215 | | |
| | 67 | 216 | | private static SupplierOrderIntentInfo ToInfo(SupplierOrderIntent x) => new( |
| | 67 | 217 | | x.Id, x.RequestId, x.ProviderKey, x.StudioOrderId, x.Status, x.ExternalOrderNumber, x.RequestedBy, x.CreatedAtUt |
| | | 218 | | |
| | | 219 | | private static string? Trim(string? value, int maxLength) => |
| | 178 | 220 | | string.IsNullOrWhiteSpace(value) ? null : value.Length <= maxLength ? value : value[..maxLength]; |
| | | 221 | | } |