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.process.model.builders.ProcessPayloadBuilder;
  import org.activiti.api.process.model.payloads.RemoveProcessVariablesPayload;
  import org.activiti.api.process.model.payloads.SetProcessVariablesPayload;
  import org.activiti.api.process.runtime.ProcessAdminRuntime;
  import org.activiti.cloud.api.model.shared.CloudVariableInstance;
  import org.activiti.cloud.services.rest.api.ProcessInstanceVariableAdminController;
  import org.activiti.cloud.services.rest.assemblers.CollectionModelAssembler;
  import org.activiti.cloud.services.rest.assemblers.ProcessInstanceVariableRepresentationModelAssembler;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.hateoas.CollectionModel;
  import org.springframework.hateoas.EntityModel;
  import org.springframework.http.HttpStatus;
  import org.springframework.http.ResponseEntity;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestBody;
  import org.springframework.web.bind.annotation.RestController;
  
  @RestController
  public class ProcessInstanceVariableAdminControllerImpl implements ProcessInstanceVariableAdminController {
  
      private final ProcessInstanceVariableRepresentationModelAssembler variableRepresentationModelAssembler;
      private final ProcessAdminRuntime processAdminRuntime;
      private final CollectionModelAssembler resourcesAssembler;
  
      @Autowired
      public ProcessInstanceVariableAdminControllerImpl(
          ProcessInstanceVariableRepresentationModelAssembler variableRepresentationModelAssembler,
          ProcessAdminRuntime processAdminRuntime,
          CollectionModelAssembler resourcesAssembler
      ) {
          this.variableRepresentationModelAssembler = variableRepresentationModelAssembler;
          this.processAdminRuntime = processAdminRuntime;
          this.resourcesAssembler = resourcesAssembler;
      }
  
      @Override
      public CollectionModel<EntityModel<CloudVariableInstance>> getVariables(String processInstanceId) {
          return resourcesAssembler.toCollectionModel(
              processAdminRuntime.variables(
                  ProcessPayloadBuilder.variables().withProcessInstanceId(processInstanceId).build()
              ),
              variableRepresentationModelAssembler
          );
      }
  
      @Override
      public ResponseEntity<Void> updateVariables(
          @PathVariable String processInstanceId,
          @RequestBody SetProcessVariablesPayload setProcessVariablesPayload
      ) {
          if (setProcessVariablesPayload != null) {
              setProcessVariablesPayload.setProcessInstanceId(processInstanceId);
          }
  
          processAdminRuntime.setVariables(setProcessVariablesPayload);
          return new ResponseEntity<>(HttpStatus.OK);
      }
  
      @Override
      public ResponseEntity<Void> removeVariables(
          @PathVariable String processInstanceId,
          @RequestBody RemoveProcessVariablesPayload removeProcessVariablesPayload
      ) {
          if (removeProcessVariablesPayload != null) {
              removeProcessVariablesPayload.setProcessInstanceId(processInstanceId);
          }
          processAdminRuntime.removeVariables(removeProcessVariablesPayload);
  
          return new ResponseEntity<>(HttpStatus.OK);
      }
  }
  