@Id

var

val id = entity.id!!

@Entity
@Table
data class User(
    @Column(unique = true, nullable = false)
    val username: String,
    @Column(unique = true, nullable = false)
    val email: String,
    val imageFileId: String,
    val firstName: String,
    val lastName: String,
    val active: Boolean = true,
    @JsonIgnore var password: String? = null,
    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
    val id: Long = -1,
    @Version var version: Int = 0,
    var createdAt: OffsetDateTime = OffsetDateTime.now(),
    var createdBy: String = "system",
    var modifiedAt: OffsetDateTime = OffsetDateTime.now(),
    var modifiedBy: String = "system"
) {
    @PrePersist
    fun prePersist() {
        createdAt = OffsetDateTime.now()
    }

    @PreUpdate
    fun preUpdate() {
        modifiedAt = OffsetDateTime.now()
    }

    fun deactivate() = copy(active = false).also { it.roles = this.roles }
    fun activate() = copy(active = true).also { it.roles = this.roles }


    @ManyToMany
    @JoinTable(
        name = "user_roles",
        joinColumns = [JoinColumn(name = "user_id")],
        inverseJoinColumns = [JoinColumn(name = "role_id")]
    )
    lateinit var roles: Set<Role>
}