BaseUpgradeFragmentConfigurationValues

/**
 * 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.osb.www.fragment.collection.contributor.components.global.internal.upgrade;

import com.bazaarvoice.jolt.Chainr;
import com.bazaarvoice.jolt.JsonUtils;

import com.liferay.fragment.model.FragmentEntryLink;
import com.liferay.fragment.service.FragmentEntryLinkLocalService;
import com.liferay.petra.content.ContentUtil;
import com.liferay.petra.string.StringPool;
import com.liferay.portal.kernel.upgrade.UpgradeProcess;

import java.util.List;

/**
 * @author Allen Ziegenfus
 */
public class BaseUpgradeFragmentConfigurationValues extends UpgradeProcess {

	public static final String TRANSFORM_PATH_BASE =
		"com/liferay/osb/www/fragment/collection/contributor/components/global";

	public BaseUpgradeFragmentConfigurationValues(
		FragmentEntryLinkLocalService fragmentEntryLinkLocalService) {

		_fragmentEntryLinkLocalService = fragmentEntryLinkLocalService;
	}

	public String transformJSON(String inputJSON) {
		String transformJSON = ContentUtil.get(
			BaseUpgradeFragmentConfigurationValues.class.getClassLoader(),
			TRANSFORM_PATH_BASE + getTransformFilename());

		List transformList = JsonUtils.jsonToList(transformJSON);

		Chainr chainr = Chainr.fromSpec(transformList);

		Object input = JsonUtils.jsonToObject(inputJSON);

		Object transformedOutput = chainr.transform(input);

		return JsonUtils.toJsonString(transformedOutput);
	}

	@Override
	protected void doUpgrade() throws Exception {
		for (String rendererKey : getRendererKeys()) {
			List<FragmentEntryLink> fragmentEntryLinks =
				_fragmentEntryLinkLocalService.getFragmentEntryLinks(
					rendererKey);

			for (FragmentEntryLink fragmentEntryLink : fragmentEntryLinks) {
				fragmentEntryLink.setEditableValues(
					transformJSON(fragmentEntryLink.getEditableValues()));

				_fragmentEntryLinkLocalService.updateFragmentEntryLink(
					fragmentEntryLink);
			}
		}
	}

	protected String[] getRendererKeys() {
		return new String[0];
	}

	protected String getTransformFilename() {
		return StringPool.BLANK;
	}

	private FragmentEntryLinkLocalService _fragmentEntryLinkLocalService;

}