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Provides a UI for db-scheduler
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/*
 * Copyright (C) Bekk
 *
 * 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 no.bekk.dbscheduler.ui.util.mapper;

import com.github.kagkarlsson.scheduler.ScheduledExecution;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
import no.bekk.dbscheduler.ui.model.TaskModel;

public class TaskMapper {

  public static List mapScheduledExecutionsToTaskModel(
      List> scheduledExecutions) {
    return scheduledExecutions.stream()
        .map(
            execution ->
                new TaskModel(
                    execution.getTaskInstance().getTaskName(),
                    Collections.singletonList(execution.getTaskInstance().getId()),
                    Collections.singletonList(execution.getData()),
                    Collections.singletonList(execution.getExecutionTime()),
                    List.of(execution.isPicked()),
                    Collections.singletonList(execution.getPickedBy()),
                    Collections.singletonList(execution.getLastSuccess()),
                    execution.getLastFailure(),
                    List.of(execution.getConsecutiveFailures()), // Modified here
                    null,
                    0))
        .collect(Collectors.toList());
  }

  public static List groupTasks(List tasks) {
    return tasks.stream().collect(Collectors.groupingBy(TaskModel::getTaskName)).values().stream()
        .map(
            taskModels -> {
              TaskModel taskModel = taskModels.get(0);
              taskModel.setTaskInstance(
                  taskModels.stream()
                      .map(TaskModel::getTaskInstance)
                      .flatMap(List::stream)
                      .collect(Collectors.toList()));
              taskModel.setTaskData(
                  taskModels.stream()
                      .map(TaskModel::getTaskData)
                      .flatMap(List::stream)
                      .collect(Collectors.toList()));
              taskModel.setExecutionTime(
                  taskModels.stream()
                      .map(TaskModel::getExecutionTime)
                      .flatMap(List::stream)
                      .collect(Collectors.toList()));
              taskModel.setPicked(
                  taskModels.stream()
                      .map(TaskModel::getPicked)
                      .flatMap(List::stream)
                      .collect(Collectors.toList()));
              taskModel.setPickedBy(
                  taskModels.stream()
                      .map(TaskModel::getPickedBy)
                      .flatMap(List::stream)
                      .collect(Collectors.toList()));
              taskModel.setLastSuccess(
                  taskModels.stream()
                      .map(TaskModel::getLastSuccess)
                      .flatMap(List::stream)
                      .collect(Collectors.toList()));
              taskModel.setLastFailure(
                  taskModels.stream()
                      .map(TaskModel::getLastFailure)
                      .filter(Objects::nonNull)
                      .findFirst()
                      .orElse(null));
              taskModel.setConsecutiveFailures(
                  taskModels.stream()
                      .map(TaskModel::getConsecutiveFailures)
                      .flatMap(List::stream)
                      .collect(Collectors.toList())); // Modified here
              return taskModel;
            })
        .collect(Collectors.toList());
  }

  public static List mapAllExecutionsToTaskModelUngrouped(
      List> scheduledExecutions) {
    return mapScheduledExecutionsToTaskModel(scheduledExecutions);
  }
}