content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   */
  package org.apache.causeway.viewer.restfulobjects.viewer.resources;
  
  import java.util.function.Consumer;
  
  import jakarta.ws.rs.HttpMethod;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.core.MediaType;
  import jakarta.ws.rs.core.Response;
  
  import org.springframework.stereotype.Component;
  
  import org.apache.causeway.applib.annotation.Where;
  import org.apache.causeway.applib.layout.component.ServiceActionLayoutData;
  import org.apache.causeway.applib.layout.links.Link;
  import org.apache.causeway.applib.layout.menubars.MenuBars;
  import org.apache.causeway.applib.services.menu.MenuBarsService;
  import org.apache.causeway.viewer.restfulobjects.applib.Rel;
  import org.apache.causeway.viewer.restfulobjects.applib.RepresentationType;
  import org.apache.causeway.viewer.restfulobjects.applib.RestfulMediaType;
  import org.apache.causeway.viewer.restfulobjects.applib.RestfulResponse;
  import org.apache.causeway.viewer.restfulobjects.applib.menubars.MenuBarsResource;
  import org.apache.causeway.viewer.restfulobjects.rendering.RestfulObjectsApplicationException;
  import org.apache.causeway.viewer.restfulobjects.rendering.service.RepresentationService;
  import org.apache.causeway.viewer.restfulobjects.viewer.context.ResourceContext;
  
  @Component
  public class MenuBarsResourceServerside extends ResourceAbstract implements MenuBarsResource {
  
      public static final String SERVICE_IDENTIFIER = "1";
  
      public MenuBarsResourceServerside() {
          super();
      }
  
      @Override
      @Produces({
          MediaType.APPLICATION_JSON, RestfulMediaType.APPLICATION_JSON_LAYOUT_MENUBARS,
          MediaType.APPLICATION_XML, RestfulMediaType.APPLICATION_XML_LAYOUT_MENUBARS
      })
      public Response menuBars() {
  
          var resourceContext = createResourceContext(
                  RepresentationType.MENUBARS, Where.ANYWHERE, RepresentationService.Intent.NOT_APPLICABLE);
  
          var serializationStrategy = resourceContext.getSerializationStrategy();
          var menuBarsService = metaModelContext.getServiceRegistry().lookupServiceElseFail(MenuBarsService.class);
  
          final Response.ResponseBuilder builder;
          final MenuBars menuBars = menuBarsService.menuBars();
          addLinksForServiceActions(resourceContext, menuBars);
  
          builder = Response.status(Response.Status.OK)
                  .entity(serializationStrategy.entity(menuBars))
                  .type(serializationStrategy.type(RepresentationType.MENUBARS));
  
          return builder.build();
      }
  
      void addLinksForServiceActions(final ResourceContext resourceContext, final MenuBars menuBars) {
          menuBars.visit(linksForServiceActionsAddingVisitor(resourceContext));
      }
  
      // public ... for testing
      public static Consumer<ServiceActionLayoutData> linksForServiceActionsAddingVisitor(
              final ResourceContext resourceContext) {
          return (final ServiceActionLayoutData actionLayoutData) -> {
                  final String logicalTypeName = actionLayoutData.getLogicalTypeName();
                  final String relativeUrl = String.format(
                          "objects/%s/%s/actions/%s",
                          logicalTypeName, SERVICE_IDENTIFIER, actionLayoutData.getId());
                  Link link = new Link(
                          Rel.ACTION.getName(),
                          HttpMethod.GET,
                          resourceContext.restfulUrlFor(relativeUrl),
                          RepresentationType.OBJECT_ACTION.getJsonMediaType().toString());
                  actionLayoutData.setLink(link);
              };
      }
  
      @Override
      public Response deleteMenuBarsNotAllowed() {
          throw RestfulObjectsApplicationException.createWithMessage(RestfulResponse.HttpStatusCode.METHOD_NOT_ALLOWED, "Deleting the menuBars resource is not allowed.");
  
      }
  
      @Override
      public Response putMenuBarsNotAllowed() {
          throw RestfulObjectsApplicationException.createWithMessage(RestfulResponse.HttpStatusCode.METHOD_NOT_ALLOWED, "Putting to the menuBars resource is not allowed.");
  
      }
  
      @Override
      public Response postMenuBarsNotAllowed() {
          throw RestfulObjectsApplicationException.createWithMessage(RestfulResponse.HttpStatusCode.METHOD_NOT_ALLOWED, "Posting to the menuBars resource is not allowed.");
      }
  
  }
  
  