refactor: ReservationEntity의 not null 컬럼 지정 및 reservationStatus -> status 컬럼명 수정

src/main/kotlin/roomescape/reservation/business/ReservationService.kt

@@ -79,7 +79,7 @@ class ReservationService(
             createEntity(timeId, themeId, date, memberId, ReservationStatus.CONFIRMED)
 
         return reservationRepository.save(reservation)
-            .also { log.info { "[ReservationService.createConfirmedReservation] 예약 추가 완료: reservationId=${it.id}, status=${it.reservationStatus}" } }
+            .also { log.info { "[ReservationService.createConfirmedReservation] 예약 추가 완료: reservationId=${it.id}, status=${it.status}" } }
     }
 
     fun createReservationByAdmin(request: AdminReservationCreateRequest): ReservationRetrieveResponse {
@@ -192,7 +192,7 @@ class ReservationService(
             time = time,
             theme = theme,
             member = member,
-            reservationStatus = status
+            status = status
         )
     }
 
@@ -259,7 +259,7 @@ class ReservationService(
         if (!reservation.isWaiting()) {
             log.warn {
                 "[ReservationService.deleteWaiting] 대기 취소 실패(대기 예약이 아님): reservationId=$reservationId" +
-                        ", currentStatus=${reservation.reservationStatus} memberId=$memberId"
+                        ", currentStatus=${reservation.status} memberId=$memberId"
             }
             throw ReservationException(ReservationErrorCode.ALREADY_CONFIRMED)
         }
@@ -284,7 +284,7 @@ class ReservationService(
         if (!reservation.isWaiting()) {
             log.warn {
                 "[ReservationService.rejectWaiting] 대기 예약 삭제 실패(이미 확정 상태): reservationId=$reservationId" +
-                        ", status=${reservation.reservationStatus}"
+                        ", status=${reservation.status}"
             }
             throw ReservationException(ReservationErrorCode.ALREADY_CONFIRMED)
         }

src/main/kotlin/roomescape/reservation/infrastructure/persistence/ReservationEntity.kt

@@ -14,6 +14,7 @@ class ReservationEntity(
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     var id: Long? = null,
 
+    @Column(name = "date", nullable = false)
     var date: LocalDate,
 
     @ManyToOne(fetch = FetchType.LAZY)
@@ -29,10 +30,11 @@ class ReservationEntity(
     var member: MemberEntity,
 
     @Enumerated(value = EnumType.STRING)
-    var reservationStatus: ReservationStatus
+    @Column(name = "status", nullable = false)
+    var status: ReservationStatus
 ) {
     @JsonIgnore
-    fun isWaiting(): Boolean = reservationStatus == ReservationStatus.WAITING
+    fun isWaiting(): Boolean = status == ReservationStatus.WAITING
 
     @JsonIgnore
     fun isReservedBy(memberId: Long): Boolean {

src/main/kotlin/roomescape/reservation/infrastructure/persistence/ReservationRepository.kt

@@ -19,7 +19,7 @@ interface ReservationRepository
     @Query(
         """
 		UPDATE ReservationEntity r
-		SET r.reservationStatus = :status
+		SET r.status = :status
 		WHERE r.id = :id
 		"""
     )
@@ -39,7 +39,7 @@ interface ReservationRepository
                   WHERE r.theme.id = r2.theme.id
                     AND r.time.id = r2.time.id
                     AND r.date = r2.date
-                    AND r.reservationStatus != 'WAITING'
+                    AND r.status != 'WAITING'
             ) 
         )
 	"""
@@ -53,7 +53,7 @@ interface ReservationRepository
 		    t.name,
 		    r.date,
 		    r.time.startAt,
-		    r.reservationStatus,
+		    r.status,
 		    (SELECT COUNT (r2) * 1L FROM ReservationEntity r2 WHERE r2.theme = r.theme AND r2.date = r.date AND r2.time = r.time AND r2.id < r.id),
 		    p.paymentKey,
 		    p.totalAmount

src/main/kotlin/roomescape/reservation/web/ReservationResponse.kt

@@ -54,7 +54,7 @@ fun ReservationEntity.toRetrieveResponse(): ReservationRetrieveResponse = Reserv
     member = this.member.toRetrieveResponse(),
     time = this.time.toCreateResponse(),
     theme = this.theme.toResponse(),
-    status = this.reservationStatus
+    status = this.status
 )
 
 data class ReservationRetrieveListResponse(

src/test/kotlin/roomescape/reservation/infrastructure/persistence/ReservationRepositoryTest.kt

@@ -106,7 +106,7 @@ class ReservationRepositoryTest(
                     entityManager.clear()
 
                     reservationRepository.findByIdOrNull(reservationId)?.also { updated ->
-                        updated.reservationStatus shouldBe it
+                        updated.status shouldBe it
                     }
                 }
             }

src/test/kotlin/roomescape/reservation/web/ReservationControllerTest.kt

@@ -331,7 +331,7 @@ class ReservationControllerTest(
                         ReservationEntity::class.java,
                         reservationId
                     )
-                    reservation.reservationStatus = ReservationStatus.CONFIRMED_PAYMENT_REQUIRED
+                    reservation.status = ReservationStatus.CONFIRMED_PAYMENT_REQUIRED
                     entityManager.persist(reservation)
                     entityManager.flush()
                     entityManager.clear()
@@ -443,7 +443,7 @@ class ReservationControllerTest(
             test("대기 중인 예약 목록을 조회한다.") {
                 login(MemberFixture.create(role = Role.ADMIN))
                 val expected = reservations.values.flatten()
-                    .count { it.reservationStatus == ReservationStatus.WAITING }
+                    .count { it.status == ReservationStatus.WAITING }
 
                 Given {
                     port(port)
@@ -601,7 +601,7 @@ class ReservationControllerTest(
                         ReservationEntity::class.java,
                         reservation.id
                     )?.also {
-                        it.reservationStatus shouldBe ReservationStatus.CONFIRMED_PAYMENT_REQUIRED
+                        it.status shouldBe ReservationStatus.CONFIRMED_PAYMENT_REQUIRED
                     } ?: throw AssertionError("Reservation not found")
                 }
             }