Created Appointment creation flow.

src/main/java/net/gepafin/tendermanagement/repositories/HubRepository.java

@@ -1,15 +1,17 @@
 package net.gepafin.tendermanagement.repositories;
 
 import net.gepafin.tendermanagement.entities.HubEntity;
-
 import java.util.Optional;
-
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface HubRepository extends JpaRepository<HubEntity, Long> {
 
-	Optional<HubEntity> findByUniqueUuid(String hubUuid);
-    
+    Optional<HubEntity> findByUniqueUuid(String hubUuid);
+
+    @Query("SELECT h FROM HubEntity h WHERE h.id = :hubId")
+    HubEntity findByHubId(@Param("hubId") Long hubId);
 }