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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.knowledge.base.web.internal.search;

import com.liferay.knowledge.base.constants.KBPortletKeys;
import com.liferay.knowledge.base.model.KBTemplate;
import com.liferay.knowledge.base.web.internal.KBUtil;
import com.liferay.portal.kernel.dao.search.SearchContainer;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.portlet.PortalPreferences;
import com.liferay.portal.kernel.portlet.PortletPreferencesFactoryUtil;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.portal.kernel.util.ParamUtil;

import java.util.Objects;

import javax.portlet.PortletRequest;
import javax.portlet.PortletURL;

/**
 * @author Peter Shin
 * @author Brian Wing Shun Chan
 */
public class KBTemplateSearch extends SearchContainer {

	public static final String EMPTY_RESULTS_MESSAGE =
		"no-templates-were-found";

	public KBTemplateSearch(
		PortletRequest portletRequest, PortletURL iteratorURL) {

		super(
			portletRequest, null, null, DEFAULT_CUR_PARAM, DEFAULT_DELTA,
			iteratorURL, null, EMPTY_RESULTS_MESSAGE);

		try {
			PortalPreferences preferences =
				PortletPreferencesFactoryUtil.getPortalPreferences(
					portletRequest);

			String oldOrderByCol = preferences.getValue(
				KBPortletKeys.KNOWLEDGE_BASE_ADMIN, "kb-templates-order-by-col",
				"modified-date");
			String oldOrderByType = preferences.getValue(
				KBPortletKeys.KNOWLEDGE_BASE_ADMIN,
				"kb-templates-order-by-type", "desc");

			String orderByCol = ParamUtil.getString(
				portletRequest, "orderByCol", oldOrderByCol);
			String orderByType = ParamUtil.getString(
				portletRequest, "orderByType", oldOrderByType);

			if (!Objects.equals(orderByCol, oldOrderByCol) ||
				!Objects.equals(orderByType, oldOrderByType)) {

				preferences.setValue(
					KBPortletKeys.KNOWLEDGE_BASE_ADMIN,
					"kb-templates-order-by-col", orderByCol);
				preferences.setValue(
					KBPortletKeys.KNOWLEDGE_BASE_ADMIN,
					"kb-templates-order-by-type", orderByType);
			}

			OrderByComparator orderByComparator =
				KBUtil.getKBTemplateOrderByComparator(orderByCol, orderByType);

			setOrderByCol(orderByCol);
			setOrderByType(orderByType);
			setOrderByComparator(orderByComparator);
		}
		catch (Exception e) {
			_log.error(e);
		}
	}

	private static final Log _log = LogFactoryUtil.getLog(
		KBTemplateSearch.class);

}