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.query.rest;
  
  import static org.activiti.cloud.services.query.model.QServiceTaskEntity.serviceTaskEntity;
  import static org.activiti.cloud.services.query.rest.RestDocConstants.PREDICATE_DESC;
  import static org.activiti.cloud.services.query.rest.RestDocConstants.PREDICATE_EXAMPLE;
  
  import com.querydsl.core.types.Predicate;
  import io.swagger.v3.oas.annotations.Parameter;
  import org.activiti.cloud.alfresco.data.domain.AlfrescoPagedModelAssembler;
  import org.activiti.cloud.api.process.model.CloudServiceTask;
  import org.activiti.cloud.services.query.app.repository.ServiceTaskRepository;
  import org.activiti.cloud.services.query.model.ServiceTaskEntity;
  import org.activiti.cloud.services.query.rest.assembler.ServiceTaskRepresentationModelAssembler;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.data.domain.Page;
  import org.springframework.data.domain.Pageable;
  import org.springframework.data.querydsl.binding.QuerydslPredicate;
  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.RequestMethod;
  import org.springframework.web.bind.annotation.RestController;
  
  @RestController
  @RequestMapping(
      value = "/admin/v1/process-instances/{processInstanceId}",
      produces = { MediaTypes.HAL_JSON_VALUE, MediaType.APPLICATION_JSON_VALUE }
  )
  public class ProcessInstanceServiceTasksAdminController {
  
      private final ServiceTaskRepresentationModelAssembler taskRepresentationModelAssembler;
  
      private final AlfrescoPagedModelAssembler<ServiceTaskEntity> pagedCollectionModelAssembler;
  
      private final ServiceTaskRepository taskRepository;
  
      @Autowired
      public ProcessInstanceServiceTasksAdminController(
          ServiceTaskRepository taskRepository,
          ServiceTaskRepresentationModelAssembler taskRepresentationModelAssembler,
          AlfrescoPagedModelAssembler<ServiceTaskEntity> pagedCollectionModelAssembler
      ) {
          this.taskRepository = taskRepository;
          this.taskRepresentationModelAssembler = taskRepresentationModelAssembler;
          this.pagedCollectionModelAssembler = pagedCollectionModelAssembler;
      }
  
      @RequestMapping(value = "/service-tasks", method = RequestMethod.GET)
      public PagedModel<EntityModel<CloudServiceTask>> getServiceTasks(
          @PathVariable String processInstanceId,
          @Parameter(description = PREDICATE_DESC, example = PREDICATE_EXAMPLE) @QuerydslPredicate(
              root = ServiceTaskEntity.class
          ) Predicate predicate,
          Pageable pageable
      ) {
          Predicate filter = serviceTaskEntity.processInstanceId.eq(processInstanceId).and(predicate);
  
          Page<ServiceTaskEntity> page = taskRepository.findAll(filter, pageable);
          return pagedCollectionModelAssembler.toModel(pageable, page, taskRepresentationModelAssembler);
      }
  }
  