Split Entities for remove nullable variables

src/main/kotlin/fr/dcproject/entity/User.kt

@@ -1,19 +1,41 @@
 package fr.dcproject.entity
 
-import fr.postgresjson.entity.mutable.*
+import fr.dcproject.entity.UserI.Roles
+import fr.postgresjson.entity.immutable.*
 import io.ktor.auth.Principal
 import org.joda.time.DateTime
 import java.util.*
 
 class User(
-    id: UUID? = UUID.randomUUID(),
-    var username: String?,
-    var blockedAt: DateTime? = null,
-    var plainPassword: String?,
-    var roles: List<Roles> = emptyList()
-) : UuidEntity(id),
+    id: UUID = UUID.randomUUID(),
+    username: String,
+    blockedAt: DateTime? = null,
+    override var plainPassword: String?,
+    override var roles: List<Roles> = emptyList()
+) : UserFull, UserBasic(id, username, blockedAt),
     EntityCreatedAt by EntityCreatedAtImp(),
-    EntityUpdatedAt by EntityUpdatedAtImp(),
-    Principal {
+    EntityUpdatedAt by EntityUpdatedAtImp()
+
+open class UserBasic(
+    id: UUID = UUID.randomUUID(),
+    override var username: String,
+    override var blockedAt: DateTime? = null
+) : UserBasicI, UserRef(id)
+
+open class UserRef(
+    id: UUID = UUID.randomUUID()
+) : UserI, UuidEntity(id)
+
+interface UserI : UuidEntityI, Principal {
     enum class Roles { ROLE_USER, ROLE_ADMIN }
 }
+
+interface UserBasicI : UserI {
+    var username: String
+    var blockedAt: DateTime?
+}
+
+interface UserFull : UserBasicI, EntityCreatedAt, EntityUpdatedAt {
+    var plainPassword: String?
+    var roles: List<Roles>
+}