feat(docker): added docker container support (#47)

Reviewed-on: #47
Co-authored-by: Janis <janis.e.20@gmx.de>
Co-committed-by: Janis <janis.e.20@gmx.de>

knockoutwhistweb/app/auth/AuthAction.scala

@@ -0,0 +1,37 @@
+package auth
+
+import controllers.routes
+import logic.user.SessionManager
+import model.users.User
+import play.api.mvc.*
+
+import javax.inject.Inject
+import scala.concurrent.{ExecutionContext, Future}
+
+class AuthenticatedRequest[A](val user: User, request: Request[A]) extends WrappedRequest[A](request)
+
+class AuthAction @Inject()(val sessionManager: SessionManager, val parser: BodyParsers.Default)(implicit ec: ExecutionContext)
+  extends ActionBuilder[AuthenticatedRequest, AnyContent] {
+
+  override def executionContext: ExecutionContext = ec
+
+  protected def getUserFromSession(request: RequestHeader): Option[User] = {
+    val session = request.cookies.get("sessionId")
+    if (session.isDefined)
+      return sessionManager.getUserBySession(session.get.value)
+    None
+  }
+  
+  override def invokeBlock[A](
+                               request: Request[A],
+                               block: AuthenticatedRequest[A] => Future[Result]
+                             ): Future[Result] = {
+    getUserFromSession(request) match {
+      case Some(user) =>
+        block(new AuthenticatedRequest(user, request))
+      case None =>
+        Future.successful(Results.Redirect(routes.UserController.login()))
+    }
+  }
+}
+