Split Entities for remove nullable variables

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

@@ -1,26 +1,77 @@
 package fr.dcproject.entity
-import fr.postgresjson.entity.mutable.*
+import fr.postgresjson.entity.immutable.*
+import fr.postgresjson.entity.mutable.EntityDeletedAt
+import fr.postgresjson.entity.mutable.EntityDeletedAtImp
+import fr.postgresjson.entity.mutable.EntityVersioning
+import fr.postgresjson.entity.mutable.UuidEntityVersioning
 import java.util.*
 
 class Article(
     id: UUID = UUID.randomUUID(),
-    var title: String?,
-    var anonymous: Boolean? = true,
-    var content: String?,
-    var description: String?,
-    var tags: List<String> = emptyList(),
-    var draft: Boolean = false,
-    var lastVersion: Boolean = false,
-    createdBy: Citizen?
-) :
-    UuidEntity(id),
-    EntityVersioning<UUID, Int> by UuidEntityVersioning(),
-    EntityCreatedAt by EntityCreatedAtImp(),
-    EntityCreatedBy<Citizen> by EntityCreatedByImp(createdBy),
-    EntityDeletedAt by EntityDeletedAtImp(),
-    Votable by VotableImp() {
+    title: String,
+    anonymous: Boolean = true,
+    content: String,
+    description: String,
+    tags: List<String> = emptyList(),
+    override var draft: Boolean = false,
+    override var lastVersion: Boolean = false,
+    createdBy: CitizenBasic
+) : ArticleFull,
+    ArticleBasic(id, title, anonymous, content, description, tags, createdBy)
+
+open class ArticleBasic(
+    id: UUID = UUID.randomUUID(),
+    title: String,
+    override var anonymous: Boolean = true,
+    override var content: String,
+    override var description: String,
+    override var tags: List<String> = emptyList(),
+    override val createdBy: CitizenBasic
+) : ArticleBasicI,
+    ArticleSimple(id, title, createdBy) {
 
     init {
         tags = tags.distinct()
     }
-}
+}
+
+open class ArticleSimple(
+    id: UUID = UUID.randomUUID(),
+    override var title: String,
+    override val createdBy: CitizenBasic
+) : ArticleSimpleI,
+    ArticleRef(id),
+    EntityCreatedAt by EntityCreatedAtImp(),
+    EntityCreatedBy<CitizenBasicI> by EntityCreatedByImp(createdBy),
+    EntityDeletedAt by EntityDeletedAtImp(),
+    EntityVersioning<UUID, Int> by UuidEntityVersioning(),
+    Votable by VotableImp()
+
+open class ArticleRef(
+    id: UUID = UUID.randomUUID()
+) : ArticleI, TargetRef(id)
+
+interface ArticleI : UuidEntityI, TargetI
+
+interface ArticleSimpleI :
+    ArticleI,
+    EntityVersioning<UUID, Int>,
+    EntityCreatedBy<CitizenBasicI>,
+    EntityCreatedAt,
+    EntityDeletedAt,
+    Votable {
+    var title: String
+}
+interface ArticleBasicI :
+    ArticleSimpleI {
+    var anonymous: Boolean
+    var content: String
+    var description: String
+    var tags: List<String>
+}
+
+interface ArticleFull :
+    ArticleBasicI {
+    var draft: Boolean
+    var lastVersion: Boolean
+}