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.
   */
  package org.activiti.cloud.services.rest.controllers;
  
  import org.activiti.api.runtime.shared.query.Page;
  import org.activiti.api.task.model.Task;
  import org.activiti.api.task.model.builders.TaskPayloadBuilder;
  import org.activiti.api.task.runtime.TaskRuntime;
  import org.activiti.cloud.alfresco.data.domain.AlfrescoPagedModelAssembler;
  import org.activiti.cloud.api.task.model.CloudTask;
  import org.activiti.cloud.services.core.pageable.SpringPageConverter;
  import org.activiti.cloud.services.rest.api.ProcessInstanceTasksController;
  import org.activiti.cloud.services.rest.assemblers.TaskRepresentationModelAssembler;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.data.domain.Pageable;
  import org.springframework.hateoas.EntityModel;
  import org.springframework.hateoas.MediaTypes;
  import org.springframework.hateoas.PagedModel;
  import org.springframework.http.MediaType;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RestController;
  
  @RestController
  @RequestMapping(produces = { MediaTypes.HAL_JSON_VALUE, MediaType.APPLICATION_JSON_VALUE })
  public class ProcessInstanceTasksControllerImpl implements ProcessInstanceTasksController {
  
      private final TaskRuntime taskRuntime;
  
      private final TaskRepresentationModelAssembler taskRepresentationModelAssembler;
  
      private final AlfrescoPagedModelAssembler<Task> pagedCollectionModelAssembler;
  
      private final SpringPageConverter pageConverter;
  
      @Autowired
      public ProcessInstanceTasksControllerImpl(
          TaskRuntime taskRuntime,
          TaskRepresentationModelAssembler taskRepresentationModelAssembler,
          AlfrescoPagedModelAssembler<Task> pagedCollectionModelAssembler,
          SpringPageConverter pageConverter
      ) {
          this.taskRuntime = taskRuntime;
          this.taskRepresentationModelAssembler = taskRepresentationModelAssembler;
          this.pagedCollectionModelAssembler = pagedCollectionModelAssembler;
          this.pageConverter = pageConverter;
      }
  
      @Override
      public PagedModel<EntityModel<CloudTask>> getTasks(@PathVariable String processInstanceId, Pageable pageable) {
          Page<Task> page = taskRuntime.tasks(
              pageConverter.toAPIPageable(pageable),
              TaskPayloadBuilder.tasks().withProcessInstanceId(processInstanceId).build()
          );
          return pagedCollectionModelAssembler.toModel(
              pageable,
              pageConverter.toSpringPage(pageable, page),
              taskRepresentationModelAssembler
          );
      }
  }
  