content: /*
   * Copyright 2017-2025 Hyland Software, Inc. and its affiliates.
   *
   * Licensed 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.
   */
  /*
   * Licensed 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.activiti.cloud.services.rest.assemblers;
  
  import static org.activiti.api.task.model.Task.TaskStatus.ASSIGNED;
  import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.linkTo;
  import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.methodOn;
  
  import java.util.ArrayList;
  import java.util.List;
  import org.activiti.api.task.model.Task;
  import org.activiti.cloud.api.task.model.CloudTask;
  import org.activiti.cloud.services.rest.controllers.HomeControllerImpl;
  import org.activiti.cloud.services.rest.controllers.ProcessInstanceControllerImpl;
  import org.activiti.cloud.services.rest.controllers.TaskControllerImpl;
  import org.springframework.hateoas.EntityModel;
  import org.springframework.hateoas.Link;
  import org.springframework.hateoas.server.RepresentationModelAssembler;
  
  public class TaskRepresentationModelAssembler implements RepresentationModelAssembler<Task, EntityModel<CloudTask>> {
  
      private ToCloudTaskConverter converter;
  
      public TaskRepresentationModelAssembler(ToCloudTaskConverter converter) {
          this.converter = converter;
      }
  
      @Override
      public EntityModel<CloudTask> toModel(Task task) {
          CloudTask cloudTask = converter.from(task);
          List<Link> links = new ArrayList<>();
          links.add(linkTo(methodOn(TaskControllerImpl.class).getTaskById(cloudTask.getId())).withSelfRel());
          if (ASSIGNED != cloudTask.getStatus()) {
              links.add(linkTo(methodOn(TaskControllerImpl.class).claimTask(cloudTask.getId())).withRel("claim"));
          } else {
              links.add(linkTo(methodOn(TaskControllerImpl.class).releaseTask(cloudTask.getId())).withRel("release"));
              links.add(
                  linkTo(methodOn(TaskControllerImpl.class).completeTask(cloudTask.getId(), null)).withRel("complete")
              );
          }
          // standalone task are not bound to a process instance
          if (cloudTask.getProcessInstanceId() != null && !cloudTask.getProcessInstanceId().isEmpty()) {
              links.add(
                  linkTo(
                      methodOn(ProcessInstanceControllerImpl.class)
                          .getProcessInstanceById(cloudTask.getProcessInstanceId())
                  )
                      .withRel("processInstance")
              );
          }
          if (cloudTask.getParentTaskId() != null && !cloudTask.getParentTaskId().isEmpty()) {
              links.add(
                  linkTo(methodOn(TaskControllerImpl.class).getTaskById(cloudTask.getParentTaskId())).withRel("parent")
              );
          }
          links.add(linkTo(HomeControllerImpl.class).withRel("home"));
          return EntityModel.of(cloudTask, links);
      }
  }
  