Add users validation

api/src/routing/UserController.kt

@@ -4,6 +4,8 @@ import be.vandewalleh.entities.User
 import be.vandewalleh.extensions.respondStatus
 import be.vandewalleh.extensions.userId
 import be.vandewalleh.services.UserService
+import be.vandewalleh.validation.receiveValidated
+import be.vandewalleh.validation.user.registerValidator
 import io.ktor.application.*
 import io.ktor.auth.*
 import io.ktor.http.*
@@ -18,14 +20,9 @@ import java.time.LocalDateTime
 fun Routing.user(kodein: Kodein) {
     val userService by kodein.instance<UserService>()
 
-    post("/user/test") {
-        val user = call.receive<User>()
-        call.respond(user)
-    }
-
     route("/user") {
         post {
-            val user = call.receive<User>()
+            val user = call.receiveValidated(registerValidator)
 
             if (userService.userExists(user.username, user.email))
                 return@post call.respondStatus(HttpStatusCode.Conflict)
@@ -39,7 +36,7 @@ fun Routing.user(kodein: Kodein) {
 
         authenticate {
             put {
-                val user = call.receive<User>()
+                val user = call.receiveValidated(registerValidator)
 
                 if (userService.userExists(user.username, user.email))
                     return@put call.respond(HttpStatusCode.Conflict)