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A Java library for transforming Google Transit Feed Spec feeds
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/**
 * Copyright (C) 2018 Cambridge Systematics, Inc.
 *
 * 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.onebusaway.gtfs_transformer.impl;

import org.onebusaway.gtfs.model.*;
import org.onebusaway.gtfs.model.calendar.ServiceDate;
import org.onebusaway.gtfs.services.GtfsMutableRelationalDao;
import org.onebusaway.gtfs_transformer.services.TransformContext;
import org.onebusaway.gtfs_transformer.services.GtfsTransformStrategy;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.*;

public class RemoveCurrentService implements GtfsTransformStrategy {

    private final Logger _log = LoggerFactory.getLogger(RemoveCurrentService.class);

    @Override
    public String getName() {
        return this.getClass().getSimpleName();
    }

    @Override
    public void run(TransformContext context, GtfsMutableRelationalDao dao) {

        Date today = removeTime(new Date());
        boolean hasEntryToday;

        for (AgencyAndId aai : dao.getAllServiceIds()) {
            hasEntryToday = false;
            for (ServiceCalendarDate calDate : dao.getCalendarDatesForServiceId(aai)) {
                Date date = removeTime(calDate.getDate().getAsDate());
                if (date.equals(today)) {
                    hasEntryToday = true;
                    if (calDate.getExceptionType() == 1) {
                        calDate.setExceptionType(2);
                        dao.saveOrUpdateEntity(calDate);
                    }
                }
            }
            if (!hasEntryToday) {
                _log.info("No entry for today, adding one, id: {}", aai);
                ServiceCalendarDate calendarDate = new ServiceCalendarDate();
                calendarDate.setServiceId(aai);
                calendarDate.setDate(new ServiceDate(today));
                calendarDate.setExceptionType(2);
                dao.saveOrUpdateEntity(calendarDate);
            }
        }
    }

    private Date removeTime(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MILLISECOND, 0);
        date = calendar.getTime();
        return date;
    }
}