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.camel.component.digitalocean.producer;
  
  import com.myjeeva.digitalocean.common.ActionType;
  import com.myjeeva.digitalocean.exception.DigitalOceanException;
  import com.myjeeva.digitalocean.exception.RequestUnsuccessfulException;
  import com.myjeeva.digitalocean.pojo.Action;
  import com.myjeeva.digitalocean.pojo.Actions;
  import com.myjeeva.digitalocean.pojo.Delete;
  import com.myjeeva.digitalocean.pojo.Image;
  import com.myjeeva.digitalocean.pojo.Images;
  import org.apache.camel.Exchange;
  import org.apache.camel.component.digitalocean.DigitalOceanConfiguration;
  import org.apache.camel.component.digitalocean.DigitalOceanEndpoint;
  import org.apache.camel.component.digitalocean.constants.DigitalOceanHeaders;
  import org.apache.camel.component.digitalocean.constants.DigitalOceanImageTypes;
  import org.apache.camel.util.ObjectHelper;
  
  /**
   * The DigitalOcean producer for Images API.
   */
  public class DigitalOceanImagesProducer extends DigitalOceanProducer {
  
      public DigitalOceanImagesProducer(DigitalOceanEndpoint endpoint, DigitalOceanConfiguration configuration) {
          super(endpoint, configuration);
      }
  
      @Override
      public void process(Exchange exchange) throws RequestUnsuccessfulException, DigitalOceanException {
  
          switch (determineOperation(exchange)) {
  
              case list:
                  getImages(exchange);
                  break;
              case ownList:
                  getUserImages(exchange);
                  break;
              case listActions:
                  getImageActions(exchange);
                  break;
              case get:
                  getImage(exchange);
                  break;
              case update:
                  updateImage(exchange);
                  break;
              case delete:
                  deleteImage(exchange);
                  break;
              case transfer:
                  transferImage(exchange);
                  break;
              case convert:
                  convertImageToSnapshot(exchange);
                  break;
              default:
                  throw new IllegalArgumentException("Unsupported operation");
          }
      }
  
      private void getUserImages(Exchange exchange) throws RequestUnsuccessfulException, DigitalOceanException {
          Images images
                  = getEndpoint().getDigitalOceanClient().getUserImages(configuration.getPage(), configuration.getPerPage());
          LOG.trace("User images : page {} / {} per page [{}] ", configuration.getPage(), configuration.getPerPage(),
                  images.getImages());
          exchange.getMessage().setBody(images.getImages());
      }
  
      private void getImages(Exchange exchange) throws RequestUnsuccessfulException, DigitalOceanException {
          DigitalOceanImageTypes type = exchange.getIn().getHeader(DigitalOceanHeaders.TYPE, DigitalOceanImageTypes.class);
          Images images;
  
          if (ObjectHelper.isNotEmpty(type)) {
              images = getEndpoint().getDigitalOceanClient().getAvailableImages(configuration.getPage(),
                      configuration.getPerPage(), ActionType.valueOf(type.name()));
          } else {
              images = getEndpoint().getDigitalOceanClient().getAvailableImages(configuration.getPage(),
                      configuration.getPerPage());
          }
          LOG.trace("All Images : page {} / {} per page [{}] ", configuration.getPage(), configuration.getPerPage(),
                  images.getImages());
          exchange.getMessage().setBody(images.getImages());
      }
  
      private void getImage(Exchange exchange) throws RequestUnsuccessfulException, DigitalOceanException {
  
          Integer imageId = exchange.getIn().getHeader(DigitalOceanHeaders.ID, Integer.class);
          String slug = exchange.getIn().getHeader(DigitalOceanHeaders.DROPLET_IMAGE, String.class);
          Image image;
  
          if (ObjectHelper.isNotEmpty(imageId)) {
              image = getEndpoint().getDigitalOceanClient().getImageInfo(imageId);
          } else if (ObjectHelper.isNotEmpty(slug)) {
              image = getEndpoint().getDigitalOceanClient().getImageInfo(slug);
          } else {
              throw new IllegalArgumentException(
                      DigitalOceanHeaders.ID + " or " + DigitalOceanHeaders.DROPLET_IMAGE + " must be specified");
          }
  
          LOG.trace("Image [{}] ", image);
          exchange.getMessage().setBody(image);
      }
  
      private void getImageActions(Exchange exchange) throws RequestUnsuccessfulException, DigitalOceanException {
          Integer imageId = exchange.getIn().getHeader(DigitalOceanHeaders.ID, Integer.class);
  
          if (ObjectHelper.isEmpty(imageId)) {
              throw new IllegalArgumentException(DigitalOceanHeaders.ID + " must be specified");
          }
  
          Actions actions = getEndpoint().getDigitalOceanClient().getAvailableImageActions(imageId, configuration.getPage(),
                  configuration.getPerPage());
          LOG.trace("Actions for Image {} : page {} / {} per page [{}] ", imageId, configuration.getPage(),
                  configuration.getPerPage(), actions.getActions());
          exchange.getMessage().setBody(actions.getActions());
      }
  
      private void updateImage(Exchange exchange) throws RequestUnsuccessfulException, DigitalOceanException {
          Integer imageId = exchange.getIn().getHeader(DigitalOceanHeaders.ID, Integer.class);
  
          if (ObjectHelper.isEmpty(imageId)) {
              throw new IllegalArgumentException(DigitalOceanHeaders.ID + " must be specified");
          }
  
          String name = exchange.getIn().getHeader(DigitalOceanHeaders.NAME, String.class);
  
          if (ObjectHelper.isEmpty(name)) {
              throw new IllegalArgumentException(DigitalOceanHeaders.NAME + " must be specified");
          }
          Image image = new Image();
          image.setId(imageId);
          image.setName(name);
          image = getEndpoint().getDigitalOceanClient().updateImage(image);
          LOG.trace("Update Image {} [{}] ", imageId, image);
          exchange.getMessage().setBody(image);
      }
  
      private void deleteImage(Exchange exchange) throws RequestUnsuccessfulException, DigitalOceanException {
          Integer imageId = exchange.getIn().getHeader(DigitalOceanHeaders.ID, Integer.class);
  
          if (ObjectHelper.isEmpty(imageId)) {
              throw new IllegalArgumentException(DigitalOceanHeaders.ID + " must be specified");
          }
  
          Delete delete = getEndpoint().getDigitalOceanClient().deleteImage(imageId);
          LOG.trace("Delete  Image {} [{}] ", imageId, delete);
          exchange.getMessage().setBody(delete);
      }
  
      private void transferImage(Exchange exchange) throws RequestUnsuccessfulException, DigitalOceanException {
          Integer imageId = exchange.getIn().getHeader(DigitalOceanHeaders.ID, Integer.class);
  
          if (ObjectHelper.isEmpty(imageId)) {
              throw new IllegalArgumentException(DigitalOceanHeaders.ID + " must be specified");
          }
  
          String region = exchange.getIn().getHeader(DigitalOceanHeaders.REGION, String.class);
  
          if (ObjectHelper.isEmpty(region)) {
              throw new IllegalArgumentException(DigitalOceanHeaders.REGION + " must be specified");
          }
  
          Action action = getEndpoint().getDigitalOceanClient().transferImage(imageId, region);
          LOG.trace("Transfer  Image {} to Region {} [{}] ", imageId, region, action);
          exchange.getMessage().setBody(action);
      }
  
      private void convertImageToSnapshot(Exchange exchange) throws RequestUnsuccessfulException, DigitalOceanException {
          Integer imageId = exchange.getIn().getHeader(DigitalOceanHeaders.ID, Integer.class);
  
          if (ObjectHelper.isEmpty(imageId)) {
              throw new IllegalArgumentException(DigitalOceanHeaders.ID + " must be specified");
          }
  
          Action action = getEndpoint().getDigitalOceanClient().convertImage(imageId);
          LOG.trace("Convert Image {} [{}] ", imageId, action);
          exchange.getMessage().setBody(action);
      }
  }
  