Inventory service/add repo functions

inventory-service/src/main/java/cz/fi/muni/data/repository/OrderRepository.java

@@ -2,8 +2,14 @@ package cz.fi.muni.data.repository;
 
 import cz.fi.muni.data.model.Order;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 @Repository
 public interface OrderRepository extends JpaRepository<Order, Long> {
+
+    @Query("SELECT o FROM Order o WHERE o.userAccountId = :id")
+    List<Order> findByUserId(Long id);
 }