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.graphql.viewer.integration;
  
  import java.util.concurrent.CompletableFuture;
  
  import graphql.execution.AsyncExecutionStrategy;
  import graphql.execution.ExecutionContext;
  import graphql.execution.ExecutionStrategyParameters;
  import graphql.execution.FieldValueInfo;
  
  import org.springframework.stereotype.Service;
  
  import org.apache.causeway.applib.services.iactnlayer.InteractionContext;
  import org.apache.causeway.applib.services.iactnlayer.InteractionService;
  import org.apache.causeway.viewer.graphql.applib.auth.UserMementoProvider;
  
  @Service
  public class AsyncExecutionStrategyResolvingWithinInteraction extends AsyncExecutionStrategy {
  
      private final InteractionService interactionService;
  
      private final UserMementoProvider userMementoProvider;
  
      public AsyncExecutionStrategyResolvingWithinInteraction(
              final InteractionService interactionService,
              final UserMementoProvider userMementoProvider) {
  
          this.interactionService = interactionService;
          this.userMementoProvider = userMementoProvider;
      }
  
      @Override
      protected CompletableFuture<FieldValueInfo> resolveFieldWithInfo(
              final ExecutionContext executionContext,
              final ExecutionStrategyParameters parameters) {
  
          var userMemento = userMementoProvider.userMemento(executionContext, parameters);
  
          if (userMemento != null) {
              return interactionService.call(
                      InteractionContext.builder().user(userMemento).build(),
                      () -> resolveFieldWithInfo2(executionContext, parameters)
              );
          } else {
              return interactionService.callAnonymous(
                      () -> resolveFieldWithInfo2(executionContext, parameters)
              );
          }
      }
  
      /**
       * Adapts the super type result into a {@code CompletableFuture<FieldValueInfo> }
       * <p>
       * super.resolveFieldWithInfo(..) return type changed to {@link Object} with graphql-java 22.0
       */
      protected CompletableFuture<FieldValueInfo> resolveFieldWithInfo2(
              final ExecutionContext executionContext,
              final ExecutionStrategyParameters parameters) {
          var obj = super.resolveFieldWithInfo(executionContext, parameters);
          return obj instanceof FieldValueInfo
                  ? CompletableFuture.completedFuture((FieldValueInfo)obj)
                  : (CompletableFuture<FieldValueInfo>)obj;
      }
  
  }
  