update category

internal/repository/category_repository.go

@@ -72,6 +72,9 @@ func (r *CategoryRepositoryImpl) List(ctx context.Context, filters map[string]in
 		case "search":
 			searchValue := "%" + value.(string) + "%"
 			query = query.Where("name ILIKE ? OR description ILIKE ?", searchValue, searchValue)
+		case "outlet_id":
+			// Include outlet-specific categories AND global categories (outlet_id IS NULL)
+			query = query.Where("outlet_id = ? OR outlet_id IS NULL", value)
 		default:
 			query = query.Where(key+" = ?", value)
 		}

internal/repository/product_repository.go

@@ -178,6 +178,26 @@ func (r *ProductRepositoryImpl) ExistsByName(ctx context.Context, organizationID
 	return count > 0, err
 }
 
+// ExistsByNameInOutlet checks name uniqueness scoped to a specific outlet via product_outlet_prices.
+// Falls back to organization-scoped check when outletID is zero.
+func (r *ProductRepositoryImpl) ExistsByNameInOutlet(ctx context.Context, organizationID uuid.UUID, outletID uuid.UUID, name string, excludeID *uuid.UUID) (bool, error) {
+	if outletID == uuid.Nil {
+		return r.ExistsByName(ctx, organizationID, name, excludeID)
+	}
+
+	query := r.db.WithContext(ctx).Model(&entities.Product{}).
+		Joins("INNER JOIN product_outlet_prices pop ON pop.product_id = products.id AND pop.outlet_id = ?", outletID).
+		Where("products.organization_id = ? AND products.name = ?", organizationID, name)
+
+	if excludeID != nil {
+		query = query.Where("products.id != ?", *excludeID)
+	}
+
+	var count int64
+	err := query.Count(&count).Error
+	return count > 0, err
+}
+
 func (r *ProductRepositoryImpl) UpdateActiveStatus(ctx context.Context, id uuid.UUID, isActive bool) error {
 	return r.db.WithContext(ctx).Model(&entities.Product{}).
 		Where("id = ?", id).