add fix for auto duration donate

internal/service/donat/donat.go

@@ -192,16 +192,13 @@ func (donatService *ServiceDonat) MarkDonatPaid(
 		return err
 	}
 
-	err = donatService.donatRepo.MarkDonatPaid(
-		ctx,
-		orderID,
-	)
+	err = donatService.donatRepo.MarkDonatPaid(ctx, orderID)
 	if err != nil {
 		slog.Error(err.Error())
 		return err
 	}
 
-	if moderationSettings.Enable == false {
+	if !moderationSettings.Enable {
 		moderated := true
 		updateModel := model.ModerationDonat{
 			Accepted:    &moderated,
@@ -219,6 +216,45 @@ func (donatService *ServiceDonat) MarkDonatPaid(
 			slog.Error(err.Error())
 			return err
 		}
+	} else {
+		go func(streamerID, donatID int, duration int) {
+			select {
+			case <-time.After(time.Duration(duration) * time.Second):
+				moderated := true
+				updateModel := model.ModerationDonat{
+					Accepted:    &moderated,
+					ShowText:    &moderated,
+					ShowName:    &moderated,
+					PlayContent: &moderated,
+				}
+
+				bgCtx := context.Background()
+				donateModel, err := donatService.donatRepo.GetDonatByOrderID(bgCtx, orderID)
+				if err != nil {
+					slog.Error(err.Error())
+					return
+				}
+				if donateModel.AcceptedTime == nil {
+					if err := donatService.donatRepo.ModerateDonation(
+						bgCtx,
+						donateModel.ID,
+						donatModel.StreamerID,
+						updateModel,
+					); err != nil {
+						slog.Error("failed to auto-moderate donation",
+							"error", err.Error(),
+							"donatID", donatID,
+							"streamerID", streamerID,
+						)
+					}
+				}
+			case <-ctx.Done():
+				slog.Warn("context canceled before auto-moderation",
+					"donatID", donatID,
+					"streamerID", streamerID,
+				)
+			}
+		}(donatModel.StreamerID, donatModel.ID, moderationSettings.Duration)
 	}
 
 	return nil