Files
dc-project/src/main/kotlin/entity/Extra.kt

64 lines
2.0 KiB
Kotlin

package fr.dcproject.entity
import fr.dcproject.component.article.ArticleRef
import fr.dcproject.component.citizen.CitizenI
import fr.dcproject.component.comment.generic.CommentRef
import fr.postgresjson.entity.EntityCreatedAt
import fr.postgresjson.entity.EntityCreatedBy
import fr.postgresjson.entity.UuidEntity
import fr.postgresjson.entity.UuidEntityI
import java.util.*
import kotlin.reflect.KClass
import kotlin.reflect.full.isSubclassOf
interface ExtraI<T : TargetI, C : CitizenI> :
UuidEntityI,
AsTarget<T>,
EntityCreatedAt,
EntityCreatedBy<C>
interface AsTarget<T: TargetI> {
val target: T
}
open class TargetRef(id: UUID? = null, reference: String = "") : TargetI, UuidEntity(id) {
final override val reference: String
get() = if (field != "") field else TargetI.getReference(this)
init {
this.reference = reference
}
}
interface TargetI : UuidEntityI {
enum class TargetName(val targetReference: String) {
Article("article"),
Constitution("constitution"),
Comment("comment"),
Opinion("opinion")
}
companion object {
fun <T : TargetI> getReference(t: KClass<T>): String {
return when {
t.isSubclassOf(ArticleRef::class) -> TargetName.Article.targetReference
t.isSubclassOf(ConstitutionRef::class) -> TargetName.Constitution.targetReference
t.isSubclassOf(CommentRef::class) -> TargetName.Comment.targetReference
t.isSubclassOf(Opinion::class) -> TargetName.Opinion.targetReference
else -> throw error("target not implemented: ${t.qualifiedName} \nImplement it or return 'reference' from SQL")
}
}
fun getReference(t: TargetI): String {
val ref = this.getReference(t::class)
return if (t is ExtraI<*, *>) {
"${ref}_on_${t.target.reference}"
} else {
ref
}
}
}
val reference: String
}