src/main/kotlin/roomescape/common/config/JpaConfig.kt

@@ -0,0 +1,25 @@
+package roomescape.common.config
+
+import org.slf4j.MDC
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.data.domain.AuditorAware
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing
+import roomescape.auth.web.support.MDC_MEMBER_ID_KEY
+import java.util.*
+
+@Configuration
+@EnableJpaAuditing
+class JpaConfig {
+
+    @Bean
+    fun auditorAware(): AuditorAware<Long> = MdcAuditorAware()
+}
+
+class MdcAuditorAware : AuditorAware<Long> {
+    override fun getCurrentAuditor(): Optional<Long> {
+        val memberIdStr = MDC.get(MDC_MEMBER_ID_KEY)
+
+        return Optional.ofNullable(memberIdStr.toLongOrNull())
+    }
+}

src/main/kotlin/roomescape/common/entity/BaseEntityV2.kt

@@ -0,0 +1,55 @@
+package roomescape.common.entity
+
+import jakarta.persistence.Column
+import jakarta.persistence.EntityListeners
+import jakarta.persistence.Id
+import jakarta.persistence.MappedSuperclass
+import jakarta.persistence.PostLoad
+import jakarta.persistence.PrePersist
+import org.springframework.data.annotation.CreatedBy
+import org.springframework.data.annotation.CreatedDate
+import org.springframework.data.annotation.LastModifiedBy
+import org.springframework.data.annotation.LastModifiedDate
+import org.springframework.data.domain.Persistable
+import org.springframework.data.jpa.domain.support.AuditingEntityListener
+import java.time.LocalDateTime
+
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener::class)
+abstract class AuditingBaseEntity(
+    @Id
+    @Column(name = "id")
+    private val _id: Long,
+
+    @Transient
+    private var isNewEntity: Boolean = true
+) : Persistable<Long> {
+    @Column(updatable = false)
+    @CreatedDate
+    lateinit var createdAt: LocalDateTime
+        protected set
+
+    @Column(updatable = false)
+    @CreatedBy
+    var createdBy: Long = 0L
+        protected set
+
+    @Column
+    @LastModifiedDate
+    lateinit var updatedAt: LocalDateTime
+        protected set
+
+    @Column
+    @LastModifiedBy
+    var updatedBy: Long = 0L
+        protected set
+
+    @PostLoad
+    @PrePersist
+    fun markNotNew() {
+        isNewEntity = false
+    }
+
+    override fun getId(): Long = _id
+    override fun isNew(): Boolean = isNewEntity
+}