Add validation to notification

src/main/kotlin/fr/dcproject/component/notification/Notification.kt

@@ -11,6 +11,8 @@ import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.fasterxml.jackson.module.kotlin.readValue
 import fr.dcproject.common.entity.Entity
 import fr.dcproject.component.article.database.ArticleForView
+import io.konform.validation.Validation
+import io.konform.validation.jsonschema.enum
 import org.joda.time.DateTime
 import java.util.concurrent.atomic.AtomicInteger
 
@@ -50,6 +52,14 @@ open class Notification(
 
         inline fun <reified T : Notification> fromString(raw: String): T = mapper.readValue(raw)
     }
+
+    fun getValidation() = Validation<Notification> {
+        Notification::type {
+            enum(
+                "article"
+            )
+        }
+    }
 }
 
 open class EntityNotification(

src/main/kotlin/fr/dcproject/component/notification/NotificationsPush.kt

@@ -1,6 +1,7 @@
 package fr.dcproject.component.notification
 
 import com.fasterxml.jackson.core.JsonProcessingException
+import fr.dcproject.application.http.badRequestIfNotValid
 import fr.dcproject.component.auth.citizen
 import fr.dcproject.component.citizen.database.CitizenI
 import io.ktor.http.cio.websocket.Frame
@@ -52,7 +53,10 @@ class NotificationsPush(
             val incomingFlow: Flow<Notification> = ws.incoming.consumeAsFlow()
                 .mapNotNull<Frame, Text> { it as? Frame.Text }
                 .map { it.readText() }
-                .map { Notification.fromString(it) }
+                .map {
+                    Notification.fromString<Notification>(it)
+                        .apply { getValidation().validate(this).badRequestIfNotValid() }
+                }
 
             return build(ws.call.citizen, incomingFlow) {
                 ws.outgoing.send(Text(it.toString()))