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There is a newer version: 8.7.0-alpha1
/*
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH under
 * one or more contributor license agreements. See the NOTICE file distributed
 * with this work for additional information regarding copyright ownership.
 * Licensed under the Camunda License 1.0. You may not use this file
 * except in compliance with the Camunda License 1.0.
 */
package io.camunda.service;

import io.camunda.search.clients.CamundaSearchClient;
import io.camunda.service.entities.UserTaskEntity;
import io.camunda.service.search.core.SearchQueryService;
import io.camunda.service.search.query.SearchQueryBuilders;
import io.camunda.service.search.query.SearchQueryResult;
import io.camunda.service.search.query.UserTaskQuery;
import io.camunda.service.search.query.UserTaskQuery.Builder;
import io.camunda.service.security.auth.Authentication;
import io.camunda.service.transformers.ServiceTransformers;
import io.camunda.util.ObjectBuilder;
import io.camunda.zeebe.broker.client.api.BrokerClient;
import io.camunda.zeebe.gateway.impl.broker.request.BrokerUserTaskAssignmentRequest;
import io.camunda.zeebe.gateway.impl.broker.request.BrokerUserTaskCompletionRequest;
import io.camunda.zeebe.gateway.impl.broker.request.BrokerUserTaskUpdateRequest;
import io.camunda.zeebe.protocol.impl.record.value.usertask.UserTaskRecord;
import io.camunda.zeebe.protocol.record.intent.UserTaskIntent;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.function.Function;

public final class UserTaskServices
    extends SearchQueryService {

  public UserTaskServices(
      final BrokerClient brokerClient, final CamundaSearchClient dataStoreClient) {
    this(brokerClient, dataStoreClient, null, null);
  }

  public UserTaskServices(
      final BrokerClient brokerClient,
      final CamundaSearchClient searchClient,
      final ServiceTransformers transformers,
      final Authentication authentication) {
    super(brokerClient, searchClient, transformers, authentication);
  }

  @Override
  public UserTaskServices withAuthentication(final Authentication authentication) {
    return new UserTaskServices(brokerClient, searchClient, transformers, authentication);
  }

  @Override
  public SearchQueryResult search(final UserTaskQuery query) {
    return executor.search(query, UserTaskEntity.class);
  }

  public SearchQueryResult search(
      final Function> fn) {
    return search(SearchQueryBuilders.userTaskSearchQuery(fn));
  }

  public CompletableFuture assignUserTask(
      final long userTaskKey,
      final String assignee,
      final String action,
      final boolean allowOverride) {
    return sendBrokerRequest(
        new BrokerUserTaskAssignmentRequest(
            userTaskKey,
            assignee,
            action,
            allowOverride ? UserTaskIntent.ASSIGN : UserTaskIntent.CLAIM));
  }

  public CompletableFuture completeUserTask(
      final long userTaskKey, final Map variables, final String action) {
    return sendBrokerRequest(
        new BrokerUserTaskCompletionRequest(userTaskKey, getDocumentOrEmpty(variables), action));
  }

  public CompletableFuture unassignUserTask(
      final long userTaskKey, final String action) {
    return sendBrokerRequest(
        new BrokerUserTaskAssignmentRequest(userTaskKey, "", action, UserTaskIntent.ASSIGN));
  }

  public CompletableFuture updateUserTask(
      final long userTaskKey, final UserTaskRecord changeset, final String action) {
    return sendBrokerRequest(new BrokerUserTaskUpdateRequest(userTaskKey, changeset, action));
  }
}