Files

89 lines
3.4 KiB
C#

using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Options;
public sealed class UnacknowledgedAlertsCheck
{
public static readonly ReconciliationCheckType CheckType = ReconciliationCheckType.UnacknowledgedCriticalAlert;
private readonly AppDbContext _db;
private readonly ReconciliationPublisher _publisher;
private readonly ReconciliationJobOptions _opts;
private readonly ILogger<UnacknowledgedAlertsCheck> _logger;
public UnacknowledgedAlertsCheck(
AppDbContext db,
ReconciliationPublisher publisher,
IOptions<ReconciliationJobOptions> opts,
ILogger<UnacknowledgedAlertsCheck> logger)
{
_db = db;
_publisher = publisher;
_opts = opts.Value;
_logger = logger;
}
public async Task<int> RunAsync(CancellationToken ct)
{
var cutoff = DateTimeOffset.UtcNow
.AddMinutes(-_opts.UnacknowledgedAlertThresholdMinutes);
// Load all stale critical alerts, grouped by encounter.
var staleAlerts = await _db.ClinicalAlerts
.Where(a => a.Severity == AlertSeverity.Critical
&& a.Status == AlertStatus.Open
&& a.TriggeredAt < cutoff)
.Select(a => new { a.Id, a.EncounterId, a.PatientId, a.TriggeredAt, a.Details })
.ToListAsync(ct);
if (!staleAlerts.Any())
{
_logger.LogDebug("[RECONCILIATION] Check1 — no stale critical alerts");
return 0;
}
// Group by encounter so one reconciliation_alert covers all alerts in that encounter.
var byEncounter = staleAlerts
.GroupBy(a => new { a.EncounterId, a.PatientId })
.ToList();
var inserted = 0;
foreach (var group in byEncounter)
{
// Deduplication: skip if an open reconciliation_alert already exists
// for this check type and encounter (partial index makes this fast).
var alreadyOpen = await _db.ReconciliationAlerts
.AnyAsync(r => r.CheckType == CheckType
&& r.EncounterId == group.Key.EncounterId
&& r.ResolvedAt == null, ct);
if (alreadyOpen) continue;
var alertIds = group.Select(a => a.Id).ToList();
var oldest = group.Min(a => a.TriggeredAt);
var details = $"{alertIds.Count} unacknowledged CRITICAL alert(s) for encounter "
+ $"{group.Key.EncounterId}. Oldest triggered at {oldest:u}. "
+ $"Alert IDs: {string.Join(", ", alertIds)}.";
var rec = new ReconciliationAlert
{
Id = Guid.NewGuid(),
CheckType = CheckType, // ReconciliationCheckType enum
EncounterId = group.Key.EncounterId,
PatientId = group.Key.PatientId,
Details = details,
CreatedAt = DateTimeOffset.UtcNow,
};
_db.ReconciliationAlerts.Add(rec);
await _db.SaveChangesAsync(ct);
await _publisher.PublishAsync(rec, ct);
_logger.LogWarning(
"[RECONCILIATION] {CheckType} — encounter {EncounterId}: {Details}",
CheckType, group.Key.EncounterId, details);
inserted++;
}
return inserted;
}
}