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.events.handlers;
  
  import jakarta.persistence.EntityManager;
  import java.util.Date;
  import java.util.Optional;
  import org.activiti.api.process.model.BPMNSequenceFlow;
  import org.activiti.api.process.model.events.SequenceFlowEvent;
  import org.activiti.cloud.api.model.shared.events.CloudRuntimeEvent;
  import org.activiti.cloud.api.process.model.events.CloudSequenceFlowTakenEvent;
  import org.activiti.cloud.services.query.model.BPMNSequenceFlowEntity;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class BPMNSequenceFlowTakenEventHandler implements QueryEventHandler {
  
      private static final Logger logger = LoggerFactory.getLogger(BPMNSequenceFlowTakenEventHandler.class);
  
      private final EntityManager entityManager;
  
      public BPMNSequenceFlowTakenEventHandler(EntityManager entityManager) {
          this.entityManager = entityManager;
      }
  
      @Override
      public void handle(CloudRuntimeEvent<?, ?> event) {
          CloudSequenceFlowTakenEvent sequenceFlowTakenEvent = CloudSequenceFlowTakenEvent.class.cast(event);
          var entityId = getEntityId(sequenceFlowTakenEvent);
  
          Optional
              .ofNullable(entityManager.find(BPMNSequenceFlowEntity.class, entityId))
              .ifPresentOrElse(
                  sequenceFlowEntity -> {
                      logger.warn(
                          "Sequence flow '" +
                          sequenceFlowEntity.getElementId() +
                          "' with eventId '" +
                          event.getId() +
                          "' already exists in the process '" +
                          sequenceFlowTakenEvent.getEntity().getProcessInstanceId() +
                          "'!"
                      );
                  },
                  () -> {
                      var sequenceFlowTakenEntity = createBpmnSequenceFlowEntity(entityId, sequenceFlowTakenEvent);
                      entityManager.persist(sequenceFlowTakenEntity);
                  }
              );
      }
  
      private BPMNSequenceFlowEntity createBpmnSequenceFlowEntity(String entityId, CloudSequenceFlowTakenEvent event) {
          BPMNSequenceFlow bpmnSequenceFlow = event.getEntity();
  
          BPMNSequenceFlowEntity bpmnSequenceFlowEntity = new BPMNSequenceFlowEntity(
              event.getServiceName(),
              event.getServiceFullName(),
              event.getServiceVersion(),
              event.getAppName(),
              event.getAppVersion()
          );
          bpmnSequenceFlowEntity.setId(entityId);
          bpmnSequenceFlowEntity.setElementId(bpmnSequenceFlow.getElementId());
          bpmnSequenceFlowEntity.setProcessDefinitionId(bpmnSequenceFlow.getProcessDefinitionId());
          bpmnSequenceFlowEntity.setProcessInstanceId(bpmnSequenceFlow.getProcessInstanceId());
          bpmnSequenceFlowEntity.setDate(new Date(event.getTimestamp()));
          bpmnSequenceFlowEntity.setSourceActivityElementId(bpmnSequenceFlow.getSourceActivityElementId());
          bpmnSequenceFlowEntity.setSourceActivityType(bpmnSequenceFlow.getSourceActivityType());
          bpmnSequenceFlowEntity.setSourceActivityName(bpmnSequenceFlow.getSourceActivityName());
          bpmnSequenceFlowEntity.setTargetActivityElementId(bpmnSequenceFlow.getTargetActivityElementId());
          bpmnSequenceFlowEntity.setTargetActivityType(bpmnSequenceFlow.getTargetActivityType());
          bpmnSequenceFlowEntity.setTargetActivityName(bpmnSequenceFlow.getTargetActivityName());
          bpmnSequenceFlowEntity.setProcessDefinitionKey(event.getProcessDefinitionKey());
          bpmnSequenceFlowEntity.setProcessDefinitionVersion(event.getProcessDefinitionVersion());
          bpmnSequenceFlowEntity.setBusinessKey(event.getBusinessKey());
          bpmnSequenceFlowEntity.setEventId(event.getId());
  
          return bpmnSequenceFlowEntity;
      }
  
      private String getEntityId(CloudSequenceFlowTakenEvent event) {
          return new StringBuilder()
              .append(event.getEntity().getProcessInstanceId())
              .append(":")
              .append(event.getEntity().getElementId())
              .append(":")
              .append(event.getId())
              .toString();
      }
  
      @Override
      public String getHandledEvent() {
          return SequenceFlowEvent.SequenceFlowEvents.SEQUENCE_FLOW_TAKEN.name();
      }
  }
  