refactor: Reservation의 회원 ID 컬럼명 수정 (member_id -> user_id)

src/main/kotlin/roomescape/payment/business/PaymentService.kt

@@ -44,7 +44,7 @@ class PaymentService(
         }
     }
 
-    fun cancel(memberId: Long, request: PaymentCancelRequest) {
+    fun cancel(userId: Long, request: PaymentCancelRequest) {
         val payment: PaymentEntity = findByReservationIdOrThrow(request.reservationId)
 
         val clientCancelResponse: PaymentClientCancelResponse = paymentClient.cancel(
@@ -55,7 +55,7 @@ class PaymentService(
 
         transactionExecutionUtil.withNewTransaction(isReadOnly = false) {
             paymentWriter.cancel(
-                memberId = memberId,
+                userId = userId,
                 payment = payment,
                 requestedAt = request.requestedAt,
                 cancelResponse = clientCancelResponse

src/main/kotlin/roomescape/payment/business/PaymentWriter.kt

@@ -59,7 +59,7 @@ class PaymentWriter(
     }
 
     fun cancel(
-        memberId: Long,
+        userId: Long,
         payment: PaymentEntity,
         requestedAt: LocalDateTime,
         cancelResponse: PaymentClientCancelResponse
@@ -72,7 +72,7 @@ class PaymentWriter(
             id = tsidFactory.next(),
             paymentId = payment.id,
             cancelRequestedAt = requestedAt,
-            canceledBy = memberId
+            canceledBy = userId
         ).also {
             canceledPaymentRepository.save(it)
             log.debug { "[PaymentWriterV2.cancelPayment] 결제 취소 정보 저장 완료: payment.id=${payment.id}" }

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

@@ -11,7 +11,7 @@ import roomescape.common.entity.AuditingBaseEntity
 class ReservationEntity(
     id: Long,
 
-    val memberId: Long,
+    val userId: Long,
     val scheduleId: Long,
     val reserverName: String,
     val reserverContact: String,

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

@@ -4,5 +4,5 @@ import org.springframework.data.jpa.repository.JpaRepository
 
 interface ReservationRepository : JpaRepository<ReservationEntity, Long> {
 
-    fun findAllByMemberId(memberId: Long): List<ReservationEntity>
+    fun findAllByUserId(userId: Long): List<ReservationEntity>
 }

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

@@ -19,9 +19,9 @@ data class PendingReservationCreateRequest(
     val requirement: String
 )
 
-fun PendingReservationCreateRequest.toEntity(id: Long, memberId: Long) = ReservationEntity(
+fun PendingReservationCreateRequest.toEntity(id: Long, userId: Long) = ReservationEntity(
     id = id,
-    memberId = memberId,
+    userId = userId,
     scheduleId = this.scheduleId,
     reserverName = this.reserverName,
     reserverContact = this.reserverContact,

src/main/resources/schema/schema-h2.sql

@@ -108,7 +108,7 @@ create table if not exists schedule (
 
 create table if not exists reservation (
     id                  bigint        primary key,
-    member_id           bigint        not null,
+    user_id             bigint        not null,
     schedule_id         bigint        not null,
     reserver_name       varchar(30)   not null,
     reserver_contact    varchar(30)   not null,
@@ -120,7 +120,7 @@ create table if not exists reservation (
     updated_at          timestamp     not null,
     updated_by          bigint        not null,
 
-    constraint fk_reservation__member_id foreign key (member_id) references members (member_id),
+    constraint fk_reservation__user_id foreign key (user_id) references users (id),
     constraint fk_reservation__schedule_id foreign key (schedule_id) references schedule (id)
 );
 
@@ -133,8 +133,7 @@ create table if not exists canceled_reservation (
      status          varchar(30)  not null,
 
      constraint uk_canceled_reservations__reservation_id unique (reservation_id),
-     constraint fk_canceled_reservations__reservation_id foreign key (reservation_id) references reservation (id),
-     constraint fk_canceled_reservations__canceled_by    foreign key (canceled_by)    references members (member_id)
+     constraint fk_canceled_reservations__reservation_id foreign key (reservation_id) references reservation (id)
 );
 
 create table if not exists payment (
@@ -208,6 +207,5 @@ create table if not exists canceled_payment(
     easypay_discount_amount   integer       not null,
 
     constraint uk_canceled_payment__paymentId unique (payment_id),
-    constraint fk_canceled_payment__paymentId  foreign key (payment_id)  references payment(id),
-    constraint fk_canceled_payment__canceledBy foreign key (canceled_by) references members(member_id)
+    constraint fk_canceled_payment__paymentId  foreign key (payment_id)  references payment(id)
 );

src/test/kotlin/roomescape/util/DummyInitializer.kt

@@ -184,7 +184,7 @@ class DummyInitializer(
     }
 
     fun cancelPayment(
-        memberId: Long,
+        userId: Long,
         reservationId: Long,
         cancelReason: String,
     ): CanceledPaymentEntity {
@@ -197,7 +197,7 @@ class DummyInitializer(
         )
 
         return paymentWriter.cancel(
-            memberId,
+            userId,
             payment,
             requestedAt = LocalDateTime.now(),
             clientCancelResponse