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/*
 * ============LICENSE_START==========================================
 * ONAP Portal SDK
 * ===================================================================
 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * ===================================================================
 *
 * Unless otherwise specified, all software contained herein is licensed
 * under the Apache License, Version 2.0 (the "License");
 * you may not use this software 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.
 *
 * Unless otherwise specified, all documentation contained herein is licensed
 * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
 * you may not use this documentation except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *             https://creativecommons.org/licenses/by/4.0/
 *
 * Unless required by applicable law or agreed to in writing, documentation
 * 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.
 *
 * ============LICENSE_END============================================
 *
 * 
 */
package org.onap.portalsdk.workflow.services;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalsdk.core.service.DataAccessService;
import org.onap.portalsdk.workflow.domain.WorkflowSchedule;
import org.onap.portalsdk.workflow.scheduler.WorkFlowScheduleRegistry;
import org.quartz.JobDetail;
import org.quartz.Trigger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.scheduling.quartz.CronTriggerFactoryBean;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

@Service("workflowScheduleService")
@Transactional

public class WorkflowScheduleServiceImpl implements WorkflowScheduleService {

	private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(WorkflowScheduleServiceImpl.class);

	@Autowired
	private DataAccessService dataAccessService;

	@Autowired
	private WorkFlowScheduleRegistry workflowRegistry;

	@Autowired
	private ApplicationContext appContext;

	@Override
	public List<WorkflowSchedule> findAll() {
		@SuppressWarnings("unchecked")
		List<WorkflowSchedule> list = getDataAccessService().getList(WorkflowSchedule.class, null);
		return list;
	}

	@Override
	public void saveWorkflowSchedule(WorkflowSchedule ws) {
		getDataAccessService().saveDomainObject(ws, null);
		logger.info(EELFLoggerDelegate.debugLogger, "Workflow Scheduled " + ws.getId() + " " + ws.getEndDateTime());
		triggerWorkflowScheduling((SchedulerFactoryBean) appContext.getBean(SchedulerFactoryBean.class), ws);
	}

	@Override
	public void triggerWorkflowScheduling(SchedulerFactoryBean schedulerBean, WorkflowSchedule ws) {
		try {
			final CronTriggerFactoryBean triggerBean = workflowRegistry.setUpTrigger(ws.getId(), ws.getServerUrl(),
					ws.getWorkflowKey(), ws.getArguments(), ws.getCronDetails(), ws.getStartDateTime(),
					ws.getEndDateTime());
			schedulerBean.getScheduler().scheduleJob((JobDetail) triggerBean.getJobDataMap().get("jobDetail"),
					triggerBean.getObject());
		} catch (Exception e) {
			logger.error(EELFLoggerDelegate.errorLogger, "Error scheduling work flow with Id" + ws.getId(), e);
		}
	}

	@Override
	public List<Trigger> triggerWorkflowScheduling() {

		Date date = new Date();
		List<Trigger> triggers = new ArrayList<>();

		DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

		if (getDataAccessService() != null) {
			@SuppressWarnings("unchecked")
			List<WorkflowSchedule> allWorkflows = getDataAccessService()
					.executeQuery("From  WorkflowSchedule where endDateTime > '" + dateFormat.format(date) + "'", null);

			for (WorkflowSchedule ws : allWorkflows) {
				logger.info(EELFLoggerDelegate.debugLogger,
						"Workflow Scheduled " + ws.getId() + "/ End Time: " + ws.getEndDateTime());
				try {
					final CronTriggerFactoryBean triggerBean = workflowRegistry.setUpTrigger(ws.getId(),
							ws.getServerUrl(), ws.getWorkflowKey(), ws.getArguments(), ws.getCronDetails(),
							ws.getStartDateTime(), ws.getEndDateTime());
					triggers.add(triggerBean.getObject());
				} catch (Exception e) {
					logger.error(EELFLoggerDelegate.errorLogger, "Error scheduling work flow with Id" + ws.getId(), e);
				}
			}
		}

		return triggers;
	}

	public DataAccessService getDataAccessService() {
		return dataAccessService;
	}

	public void setDataAccessService(DataAccessService dataAccessService) {
		this.dataAccessService = dataAccessService;
	}

	@Override
	public WorkflowSchedule getWorkflowScheduleByKey(Long key) {
		return (WorkflowSchedule) (getDataAccessService().getDomainObject(WorkflowSchedule.class, key, null));
	}
}