feat(worker): implement background jobs for incidents

src/IncidentOps.Worker/Jobs/EscalateIfUnackedJob.cs

@@ -0,0 +1,64 @@
+using Hangfire;
+using IncidentOps.Domain.Entities;
+using IncidentOps.Domain.Enums;
+using IncidentOps.Infrastructure.Data.Repositories;
+using IncidentOps.Infrastructure.Jobs;
+using Microsoft.Extensions.Logging;
+
+namespace IncidentOps.Worker.Jobs;
+
+public class EscalateIfUnackedJob : IEscalateIfUnackedJob
+{
+    private readonly IIncidentEventRepository _incidentEventRepository;
+    private readonly IBackgroundJobClient _backgroundJobClient;
+    private readonly ILogger<EscalateIfUnackedJob> _logger;
+
+    public EscalateIfUnackedJob(
+        IIncidentEventRepository incidentEventRepository,
+        IBackgroundJobClient backgroundJobClient,
+        ILogger<EscalateIfUnackedJob> logger)
+    {
+        _incidentEventRepository = incidentEventRepository;
+        _backgroundJobClient = backgroundJobClient;
+        _logger = logger;
+    }
+
+    public async Task ExecuteAsync(Guid incidentId, int step)
+    {
+        _logger.LogInformation("Checking escalation for incident {IncidentId}, step {Step}", incidentId, step);
+
+        using var connection = new Npgsql.NpgsqlConnection(
+            Environment.GetEnvironmentVariable("ConnectionStrings__Postgres") ?? "");
+
+        var incident = await Dapper.SqlMapper.QuerySingleOrDefaultAsync<Incident>(
+            connection, "SELECT * FROM incidents WHERE id = @Id", new { Id = incidentId });
+
+        if (incident == null)
+        {
+            _logger.LogWarning("Incident {IncidentId} not found for escalation", incidentId);
+            return;
+        }
+
+        if (incident.Status != IncidentStatus.Triggered)
+        {
+            _logger.LogInformation("Incident {IncidentId} is no longer in Triggered state, skipping escalation",
+                incidentId);
+            return;
+        }
+
+        // Record escalation event
+        await _incidentEventRepository.CreateAsync(new IncidentEvent
+        {
+            Id = Guid.NewGuid(),
+            IncidentId = incidentId,
+            EventType = IncidentEventType.EscalationTriggered,
+            Payload = $"{{\"step\": {step}}}",
+            CreatedAt = DateTime.UtcNow
+        });
+
+        _logger.LogInformation("Escalation triggered for incident {IncidentId}, step {Step}", incidentId, step);
+
+        // TODO: Implement secondary notification targets or on-call escalation
+        // For now, just log the escalation
+    }
+}