package fr.tiogars.inception.config;
   
   import java.time.Clock;
   import java.time.Instant;
   import java.time.temporal.ChronoUnit;
   import java.util.Optional;
   
   import org.springframework.context.annotation.Bean;
   import org.springframework.context.annotation.Configuration;
  import org.springframework.data.auditing.DateTimeProvider;
  import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
  
  /** Configures authenticated actors and PostgreSQL-compatible audit timestamps. */
  @Configuration
  @EnableJpaAuditing(auditorAwareRef = "securityAuditorAware", dateTimeProviderRef = "auditDateTimeProvider")
  public class JpaAuditingConfiguration {
  
      @Bean
      public Clock auditClock() {
          return Clock.systemUTC();
      }
  
      @Bean
      public DateTimeProvider auditDateTimeProvider(Clock auditClock) {
          return () -> Optional.of(Instant.now(auditClock).truncatedTo(ChronoUnit.MICROS));
      }
  }