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/**
 * SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
 * SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
 */

package com.liferay.sharing.util.comparator;

import com.liferay.portal.kernel.util.DateUtil;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.sharing.model.SharingEntry;

/**
 * @author Sergio González
 */
public class SharingEntryModifiedDateComparator
	extends OrderByComparator {

	public static final String ORDER_BY_ASC =
		"SharingEntry.modifiedDate ASC, SharingEntry.sharingEntryId ASC";

	public static final String[] ORDER_BY_CONDITION_FIELDS = {
		"modifiedDate", "sharingEntryId"
	};

	public static final String ORDER_BY_DESC =
		"SharingEntry.modifiedDate DESC, SharingEntry.sharingEntryId DESC";

	public static final String[] ORDER_BY_FIELDS = {
		"modifiedDate", "sharingEntryId"
	};

	public static SharingEntryModifiedDateComparator getInstance(
		boolean ascending) {

		if (ascending) {
			return _INSTANCE_ASCENDING;
		}

		return _INSTANCE_DESCENDING;
	}

	@Override
	public int compare(SharingEntry sharingEntry1, SharingEntry sharingEntry2) {
		int value = DateUtil.compareTo(
			sharingEntry1.getModifiedDate(), sharingEntry2.getModifiedDate());

		if (value == 0) {
			if (sharingEntry1.getSharingEntryId() <
					sharingEntry2.getSharingEntryId()) {

				value = -1;
			}
			else if (sharingEntry1.getSharingEntryId() >
						sharingEntry2.getSharingEntryId()) {

				value = 1;
			}
		}

		if (_ascending) {
			return value;
		}

		return -value;
	}

	@Override
	public String getOrderBy() {
		if (_ascending) {
			return ORDER_BY_ASC;
		}

		return ORDER_BY_DESC;
	}

	@Override
	public String[] getOrderByConditionFields() {
		return ORDER_BY_CONDITION_FIELDS;
	}

	@Override
	public String[] getOrderByFields() {
		return ORDER_BY_FIELDS;
	}

	@Override
	public boolean isAscending() {
		return _ascending;
	}

	private SharingEntryModifiedDateComparator(boolean ascending) {
		_ascending = ascending;
	}

	private static final SharingEntryModifiedDateComparator
		_INSTANCE_ASCENDING = new SharingEntryModifiedDateComparator(true);

	private static final SharingEntryModifiedDateComparator
		_INSTANCE_DESCENDING = new SharingEntryModifiedDateComparator(false);

	private final boolean _ascending;

}




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