com.liferay.knowledgebase.hook.upgrade.v1_1_0.util.KBArticleMainUpgradeColumnImpl.java Source code

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Here is the source code for com.liferay.knowledgebase.hook.upgrade.v1_1_0.util.KBArticleMainUpgradeColumnImpl.java

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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.knowledgebase.hook.upgrade.v1_1_0.util;

import com.liferay.knowledgebase.model.KBArticle;
import com.liferay.knowledgebase.service.KBArticleLocalServiceUtil;
import com.liferay.portal.kernel.upgrade.util.BaseUpgradeColumnImpl;
import com.liferay.portal.kernel.upgrade.util.UpgradeColumn;
import com.liferay.portal.kernel.workflow.WorkflowConstants;

/**
 * @author Peter Shin
 */
public class KBArticleMainUpgradeColumnImpl extends BaseUpgradeColumnImpl {

    public KBArticleMainUpgradeColumnImpl(UpgradeColumn kbArticleIdColumn, UpgradeColumn resourcePrimKeyColumn) {

        super("main");

        _kbArticleIdColumn = kbArticleIdColumn;
        _resourcePrimKeyColumn = resourcePrimKeyColumn;
    }

    @Override
    public Object getNewValue(Object oldValue) throws Exception {
        Long kbArticleId = (Long) _kbArticleIdColumn.getOldValue();
        Long resourcePrimKey = (Long) _resourcePrimKeyColumn.getOldValue();

        KBArticle kbArticle = KBArticleLocalServiceUtil.getLatestKBArticle(resourcePrimKey,
                WorkflowConstants.STATUS_ANY);

        if (kbArticle.isApproved()) {
            return Boolean.TRUE;
        }

        if (kbArticle.isFirstVersion()) {
            return Boolean.FALSE;
        }

        kbArticle = KBArticleLocalServiceUtil.getLatestKBArticle(resourcePrimKey,
                WorkflowConstants.STATUS_APPROVED);

        if (kbArticle.getKbArticleId() != kbArticleId) {
            return Boolean.FALSE;
        }

        KBArticleAttachmentsUtil.updateAttachments(kbArticle);

        return Boolean.TRUE;
    }

    private UpgradeColumn _kbArticleIdColumn;
    private UpgradeColumn _resourcePrimKeyColumn;

}