feature #14: create route for follow article

src/main/kotlin/fr/dcproject/repository/Follow.kt

@@ -0,0 +1,25 @@
+package fr.dcproject.repository
+
+import fr.postgresjson.connexion.Requester
+import fr.postgresjson.entity.EntityI
+import fr.postgresjson.repository.RepositoryI
+import java.util.*
+import kotlin.reflect.KClass
+import fr.dcproject.entity.Article as ArticleEntity
+import fr.dcproject.entity.Follow as FollowEntity
+
+open class Follow <T: EntityI<UUID>>(override var requester: Requester): RepositoryI<FollowEntity<T>> {
+    override val entityName = FollowEntity::class as KClass<FollowEntity<T>>
+
+    fun follow(follow: FollowEntity<T>) {
+        val reference = follow.target::class.simpleName!!.toLowerCase()
+        requester
+            .getFunction("follow")
+            .sendQuery(
+                "reference" to reference,
+                "target_id" to follow.target.id,
+                "citizen_id" to follow.citizen.id
+            )
+    }
+}
+class FollowArticleRepository(override var requester: Requester): Follow<ArticleEntity>(requester)