feat: add AuditSaveChangesInterceptor and failing interceptor tests

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-27 13:48:03 -07:00
parent f703519838
commit 820ca6981c
2 changed files with 117 additions and 0 deletions
@@ -0,0 +1,55 @@
+using System.Security.Claims;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Diagnostics;
+using ROLAC.API.Entities.Base;
+
+namespace ROLAC.API.Data.Interceptors;
+
+public class AuditSaveChangesInterceptor : SaveChangesInterceptor
+{
+    private readonly IHttpContextAccessor _http;
+
+    public AuditSaveChangesInterceptor(IHttpContextAccessor http) => _http = http;
+
+    public override InterceptionResult<int> SavingChanges(
+        DbContextEventData eventData, InterceptionResult<int> result)
+    {
+        Stamp(eventData.Context);
+        return base.SavingChanges(eventData, result);
+    }
+
+    public override ValueTask<InterceptionResult<int>> SavingChangesAsync(
+        DbContextEventData eventData, InterceptionResult<int> result,
+        CancellationToken cancellationToken = default)
+    {
+        Stamp(eventData.Context);
+        return base.SavingChangesAsync(eventData, result, cancellationToken);
+    }
+
+    private void Stamp(DbContext? db)
+    {
+        if (db is null) return;
+
+        var userId = _http.HttpContext?.User
+            .FindFirstValue(ClaimTypes.NameIdentifier) ?? "system";
+        var now = DateTimeOffset.UtcNow;
+
+        foreach (var entry in db.ChangeTracker.Entries())
+        {
+            if (entry.Entity is not AuditableEntity audit) continue;
+
+            if (entry.State == EntityState.Added)
+            {
+                audit.CreatedAt = now;
+                audit.CreatedBy = userId;
+                audit.UpdatedAt = now;
+                audit.UpdatedBy = userId;
+            }
+            else if (entry.State == EntityState.Modified)
+            {
+                audit.UpdatedAt = now;
+                audit.UpdatedBy = userId;
+            }
+        }
+    }
+}