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.cassandra.sidecar.handlers.restore;
  
  import java.util.Collections;
  import java.util.Set;
  import com.google.inject.Inject;
  import com.google.inject.Singleton;
  
  import io.netty.handler.codec.http.HttpResponseStatus;
  import io.vertx.core.Future;
  import io.vertx.core.http.HttpServerRequest;
  import io.vertx.core.net.SocketAddress;
  import io.vertx.ext.auth.authorization.Authorization;
  import io.vertx.ext.web.RoutingContext;
  import org.apache.cassandra.sidecar.acl.authorization.BasicPermissions;
  import org.apache.cassandra.sidecar.common.response.data.RestoreJobSummaryResponsePayload;
  import org.apache.cassandra.sidecar.concurrent.ExecutorPools;
  import org.apache.cassandra.sidecar.handlers.AbstractHandler;
  import org.apache.cassandra.sidecar.handlers.AccessProtected;
  import org.apache.cassandra.sidecar.routes.RoutingContextUtils;
  import org.apache.cassandra.sidecar.utils.CassandraInputValidator;
  import org.apache.cassandra.sidecar.utils.InstanceMetadataFetcher;
  import org.jetbrains.annotations.NotNull;
  
  import static org.apache.cassandra.sidecar.routes.RoutingContextUtils.SC_RESTORE_JOB;
  import static org.apache.cassandra.sidecar.utils.HttpExceptions.wrapHttpException;
  
  /**
   * Provides a REST API for providing summary of restore job maintained by Sidecar
   */
  @Singleton
  public class RestoreJobSummaryHandler extends AbstractHandler<String> implements AccessProtected
  {
      @Inject
      public RestoreJobSummaryHandler(ExecutorPools executorPools,
                                      InstanceMetadataFetcher instanceMetadataFetcher,
                                      CassandraInputValidator validator)
      {
          super(instanceMetadataFetcher, executorPools, validator);
      }
  
      @Override
      public Set<Authorization> requiredAuthorizations()
      {
          return Collections.singleton(BasicPermissions.READ_RESTORE_JOB.toAuthorization());
      }
  
      @Override
      protected void handleInternal(RoutingContext context,
                                    HttpServerRequest httpRequest,
                                    @NotNull String host,
                                    SocketAddress remoteAddress,
                                    String jobId)
      {
          validateAndFindJob(context)
          .onSuccess(context::json)
          .onFailure(cause -> processFailure(cause, context, host, remoteAddress, jobId));
      }
  
      @Override
      protected String extractParamsOrThrow(RoutingContext context)
      {
          return context.pathParam("jobId");
      }
  
      private Future<RestoreJobSummaryResponsePayload> validateAndFindJob(RoutingContext context)
      {
          return RoutingContextUtils
          .getAsFuture(context, SC_RESTORE_JOB)
          .compose(restoreJob -> {
              if (restoreJob.status == null || restoreJob.secrets == null)
              {
                  logger.error("Restore job record read is missing required fields. job={}", restoreJob);
                  return Future.failedFuture(wrapHttpException(HttpResponseStatus.INTERNAL_SERVER_ERROR,
                                                               "Restore job is missing required fields"));
              }
              RestoreJobSummaryResponsePayload response
              = new RestoreJobSummaryResponsePayload(restoreJob.createdAt.toString(), restoreJob.jobId,
                                                     restoreJob.jobAgent, restoreJob.keyspaceName, restoreJob.tableName,
                                                     restoreJob.secrets, restoreJob.statusWithOptionalDescription());
              return Future.succeededFuture(response);
          });
      }
  }
  