Fix graphql user response value

code/moya-web/src/main/java/fi/codecrew/moya/graphql/MoyaGraphQLServlet.java

@@ -31,8 +31,7 @@ import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.util.*;
-import java.util.stream.Collector;
-import java.util.stream.Collectors;
+
 
 import static graphql.Scalars.*;
 import static graphql.schema.GraphQLArgument.newArgument;
@@ -577,8 +576,8 @@ public class MoyaGraphQLServlet extends HttpServlet {
 	private GraphQLFieldDefinition getSingleUserQuery(GraphQLBuilder builder) {
 		return newFieldDefinition()
 			.name("user")
-			.argument(newArgument().name("id").type(GraphQLInt).description("Id of the global user object. If id is 0, currently logged in user is used"))
-			.type(builder.typeFor(User.class))
+			.argument(newArgument().name("id").defaultValue(null).type(GraphQLInt).description("Id of the global user object. If id is 0, currently logged in user is used"))
+			.type(builder.typeFor(EventUser.class))
 			.dataFetcher(environment -> {
 				Integer id = environment.getArgument("userId");
 				EventUser user;
@@ -590,7 +589,7 @@ public class MoyaGraphQLServlet extends HttpServlet {
 				if (user == null) {
 					throw new NullPointerException("User not found with id " + id);
 				}
-				return user.getUser();
+				return user;
 			}).build();
 	}