feat: add Logs

application/Audit/AuditLogBehavior.cs

@@ -0,0 +1,48 @@
+using MediatR;
+using mws.backend.dotnet.application.Common;
+using mws.backend.dotnet.domain.Audit;
+
+namespace mws.backend.dotnet.application.Audit;
+
+public class AuditLogBehavior<TRequest, TResponse>(
+    IUnitOfWork uow,
+    ICurrentUser currentUser,
+    IAuditContext auditContext)
+    : IPipelineBehavior<TRequest, TResponse> where TRequest : notnull
+{
+    public async Task<TResponse> Handle(TRequest request, RequestHandlerDelegate<TResponse> next, CancellationToken ct)
+    {
+        if (request is not IAuditableRequest auditable)
+        {
+            return await next();
+        }
+
+        auditContext.EntityId = null;
+        auditContext.EntityName = null;
+
+        var response = await next();
+
+        uow.ActionLogs.Add(new ActionLog
+        {
+            Id = Guid.NewGuid(),
+            ActorUserId = currentUser.UserId ?? Guid.Empty,
+            ActorUsername = TruncateRequired(currentUser.Username ?? "unknown", 100),
+            Action = auditable.Action,
+            EntityType = auditable.EntityType,
+            EntityId = auditable.EntityId ?? auditContext.EntityId ?? (response as IHasEntityId)?.EntityId,
+            EntityName = Truncate(auditable.EntityName ?? auditContext.EntityName, 255),
+            IpAddress = currentUser.IpAddress,
+            UserAgent = currentUser.UserAgent,
+            CreatedAt = DateTimeOffset.UtcNow,
+        });
+        await uow.SaveChangesAsync(ct);
+
+        return response;
+    }
+
+    private static string TruncateRequired(string value, int max) =>
+        value.Length <= max ? value : value[..max];
+
+    private static string? Truncate(string? value, int max) =>
+        value is null || value.Length <= max ? value : value[..max];
+}