feat: add methods to find reservations by status and roomId, and update reservation fields

Author: vanish-gold16

src/main/java/com/example/SorokinSpringBoot/repositories/ReservationRepository.java

@@ -1,8 +1,43 @@
 package com.example.SorokinSpringBoot.repositories;
 
+import com.example.SorokinSpringBoot.enums.ReservationStatus;
 import com.example.SorokinSpringBoot.models.ReservationEntity;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.time.LocalDate;
+import java.util.List;
 
 public interface ReservationRepository extends JpaRepository<ReservationEntity, Long> {
 
+    //List<ReservationEntity> findAllByStatusIs(ReservationStatus status);
+
+    @Query("select r from ReservationEntity r where r.status = :status")
+    List<ReservationEntity> findAllByStatusIs(ReservationStatus status);
+
+    @Query("select r from ReservationEntity r where r.roomId = :roomId")
+    List<ReservationEntity> findAllByRoomId(@Param("roomId") Long roomId);
+
+    @Transactional
+    @Modifying
+    @Query("""
+             update ReservationEntity r
+             set r.userId = :userId,
+                 r.roomId = :roomId,
+                 r.startDate = :startDate,
+                 r.endDate = :endDate,
+                 r.status = :status
+                 where r.id = :id                                                        
+                        """)
+    int updateAllFields(
+            @Param("id") Long id,
+            @Param("userId") Long userId,
+            @Param("roomId") Long roomId,
+            @Param("startDate") LocalDate startDate,
+            @Param("endDate") LocalDate endDate,
+            @Param("status") ReservationStatus status
+            );
 }