fixes: MRN generation race condition and Sepsis bundle creation race condition (TOCTOU)

2026-06-21 16:37:22 +08:00
parent 4583bd7f44
commit 076e8364b2
8 changed files with 2635 additions and 7 deletions
@@ -82,7 +82,18 @@ public class SepsisBundleService : ISepsisBundleService
            CreatedAt = DateTimeOffset.UtcNow
        });

-        await _db.SaveChangesAsync(ct);
+        try
+        {
+            await _db.SaveChangesAsync(ct);
+        }
+        catch (DbUpdateException ex)
+            when (ex.InnerException is Npgsql.PostgresException { SqlState: "23505" } pg
+                  && pg.ConstraintName == "ix_sepsis_bundles_encounter_in_progress")
+        {
+            _db.ChangeTracker.Clear();
+            return null;
+        }
+
        return bundle;
    }