| | | 1 | | using Microsoft.EntityFrameworkCore; |
| | | 2 | | using Microsoft.Extensions.Logging; |
| | | 3 | | using OzonDomains.Models; |
| | | 4 | | using OzonRepositories.Context; |
| | | 5 | | |
| | | 6 | | namespace Services.SystemMonitoringServices; |
| | | 7 | | |
| | | 8 | | /// <summary> |
| | | 9 | | /// Писатель пассивных сигналов со своим короткоживущим DbContext. Нужен singleton-сервисам и параллельному коду |
| | | 10 | | /// (например, <c>OneCNomenclatureService</c>): общий scoped-контекст там небезопасен, а его SaveChanges |
| | | 11 | | /// сохранил бы чужие незавершённые изменения. Сбой записи сигнала никогда не ломает основную операцию. |
| | | 12 | | /// </summary> |
| | 2 | 13 | | public sealed class IsolatedSystemMonitoringSignalWriter( |
| | 2 | 14 | | IDbContextFactory<ApplicationDbContext> dbFactory, |
| | 2 | 15 | | ILogger<IsolatedSystemMonitoringSignalWriter> logger) : ISystemMonitoringSignalWriter |
| | | 16 | | { |
| | | 17 | | public async Task RecordAsync(string sourceKey, string outcome, string? scopeKey = null, string? message = null, Can |
| | | 18 | | { |
| | | 19 | | try |
| | | 20 | | { |
| | 1 | 21 | | await using var context = await dbFactory.CreateDbContextAsync(cancellationToken); |
| | 1 | 22 | | context.SystemMonitoringSignals.Add(new SystemMonitoringSignal |
| | 1 | 23 | | { |
| | 1 | 24 | | SourceKey = sourceKey[..Math.Min(sourceKey.Length, 100)], |
| | 1 | 25 | | Outcome = outcome[..Math.Min(outcome.Length, 16)], |
| | 1 | 26 | | ScopeKey = scopeKey?[..Math.Min(scopeKey.Length, 120)], |
| | 1 | 27 | | Message = message?[..Math.Min(message.Length, 500)] |
| | 1 | 28 | | }); |
| | 1 | 29 | | await context.SaveChangesAsync(cancellationToken); |
| | 1 | 30 | | } |
| | 0 | 31 | | catch (Exception ex) when (!cancellationToken.IsCancellationRequested) |
| | | 32 | | { |
| | 0 | 33 | | logger.LogWarning(ex, "Не удалось записать пассивный сигнал {SourceKey}", sourceKey); |
| | 0 | 34 | | } |
| | 1 | 35 | | } |
| | | 36 | | } |