package roomescape.common.config

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.common.util.MdcPrincipalId
import java.util.*

@Configuration
@EnableJpaAuditing
class JpaConfig {

    @Bean
    fun auditorAware(): AuditorAware<Long> = MdcAuditorAware()
}

class MdcAuditorAware : AuditorAware<Long> {
    override fun getCurrentAuditor(): Optional<Long> = MdcPrincipalId.extractAsOptionalLongOrEmpty()
}